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re PR target/14925 (libunwind enabled gcc generates incompatible libgcc_s.so.1)

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2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/14925:
	Makefile.in (LIB2ADDEHSTATIC): New.
	(LIB2ADDEHSHARED): New.
	(LIBUNWIND): New.
	(LIBUNWINDDEP): New.
	(SHLIBUNWIND_LINK): New.
	(SHLIBUNWIND_INSTALL): New.
	(libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
	LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
	(clean): Remove libunwind*
	(stage1-start): Remove and copy stage1/libunwind*.
	(stage2-start): Remove and copy stage2/libunwind*.
	(stage3-start): Remove and copy stage3/libunwind*.
	(stage4-start): Remove and copy stage4/libunwind*.
	(stageprofile-start): Remove and copy stageprofile/libunwind*.
	(stagefeedback-start): Remove and copy stagefeedback/libunwind*.

	* config.gcc (ia64*-*-linux*): Always add t-libunwind to
	tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
	tmake_file if --with-system-libunwind isn't used.

	* config/ia64/t-glibc-libunwind: New file.
	* config/t-libunwind-elf: Likewise.
	* unwind-compat.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.

	* config/ia64/t-glibc (LIB2ADDEH): Updated.
	* config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.

	* config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
	aliases if needed.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2.c: Likewise.

	* config/t-libunwind (LIB2ADDEH): Updated.
	(LIB2ADDEHSTATIC): New.
	(T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
	(TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.

	* configure.ac: Change --enable-libunwind-exceptions to
	--with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
	* configure: Regenerated.
	* config.in: Updated.

	* doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
	above and mention --with-system-libunwind.
	(ia64-*-hpux*): Mention --enable-libunwind-exceptions is
	removed in gcc 3.4.3 and later.

	* gcc.c (init_spec): Add -lunwind to -lgcc_s if
	USE_LIBUNWIND_EXCEPTIONS is defined.

	* mklibgcc.in: Support libunwind.

From-SVN: r87066
This commit is contained in:
H.J. Lu 2004-09-04 00:15:42 +00:00 committed by H.J. Lu
parent d20bf446f6
commit 443728bba4
20 changed files with 754 additions and 185 deletions
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57
gcc/ChangeLog
View File

@ -1,3 +1,60 @@
2004-09-03 H.J. Lu <hongjiu.lu@intel.com>
PR target/14925:
Makefile.in (LIB2ADDEHSTATIC): New.
(LIB2ADDEHSHARED): New.
(LIBUNWIND): New.
(LIBUNWINDDEP): New.
(SHLIBUNWIND_LINK): New.
(SHLIBUNWIND_INSTALL): New.
(libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
(clean): Remove libunwind*
(stage1-start): Remove and copy stage1/libunwind*.
(stage2-start): Remove and copy stage2/libunwind*.
(stage3-start): Remove and copy stage3/libunwind*.
(stage4-start): Remove and copy stage4/libunwind*.
(stageprofile-start): Remove and copy stageprofile/libunwind*.
(stagefeedback-start): Remove and copy stagefeedback/libunwind*.
* config.gcc (ia64*-*-linux*): Always add t-libunwind to
tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
tmake_file if --with-system-libunwind isn't used.
* config/ia64/t-glibc-libunwind: New file.
* config/t-libunwind-elf: Likewise.
* unwind-compat.c: Likewise.
* unwind-compat.h: Likewise.
* unwind-dw2-fde-compat.c: Likewise.
* config/ia64/t-glibc (LIB2ADDEH): Updated.
* config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
* config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
aliases if needed.
* unwind-dw2-fde-glibc.c: Likewise.
* unwind-dw2.c: Likewise.
* config/t-libunwind (LIB2ADDEH): Updated.
(LIB2ADDEHSTATIC): New.
(T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
(TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
* configure.ac: Change --enable-libunwind-exceptions to
--with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
* configure: Regenerated.
* config.in: Updated.
* doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
above and mention --with-system-libunwind.
(ia64-*-hpux*): Mention --enable-libunwind-exceptions is
removed in gcc 3.4.3 and later.
* gcc.c (init_spec): Add -lunwind to -lgcc_s if
USE_LIBUNWIND_EXCEPTIONS is defined.
* mklibgcc.in: Support libunwind.
2004-09-03 H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and

27
gcc/Makefile.in
View File

@ -532,8 +532,16 @@ CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
# Additional sources to handle exceptions; overridden by targets as needed.
LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
$(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c $(srcdir)/unwind-c.c
LIB2ADDEHSTATIC = $(LIB2ADDEH)
LIB2ADDEHSHARED = $(LIB2ADDEH)
LIB2ADDEHDEP = unwind.h unwind-pe.h unwind.inc unwind-dw2-fde.h unwind-dw2.h
# Don't build libunwind by default.
LIBUNWIND =
LIBUNWINDDEP =
SHLIBUNWIND_LINK =
SHLIBUNWIND_INSTALL =
# nm flags to list global symbols in libgcc object files.
SHLIB_NM_FLAGS = -pg
@ -1205,7 +1213,13 @@ libgcc.mk: config.status Makefile mklibgcc $(LIB2ADD) $(LIB2ADD_ST) xgcc$(exeext
LIB2ADD='$(LIB2ADD)' \
LIB2ADD_ST='$(LIB2ADD_ST)' \
LIB2ADDEH='$(LIB2ADDEH)' \
LIB2ADDEHSTATIC='$(LIB2ADDEHSTATIC)' \
LIB2ADDEHSHARED='$(LIB2ADDEHSHARED)' \
LIB2ADDEHDEP='$(LIB2ADDEHDEP)' \
LIBUNWIND='$(LIBUNWIND)' \
LIBUNWINDDEP='$(LIBUNWINDDEP)' \
SHLIBUNWIND_LINK='$(SHLIBUNWIND_LINK)' \
SHLIBUNWIND_INSTALL='$(SHLIBUNWIND_INSTALL)' \
FPBIT='$(FPBIT)' \
FPBIT_FUNCS='$(FPBIT_FUNCS)' \
LIB2_DIVMOD_FUNCS='$(LIB2_DIVMOD_FUNCS)' \
@ -3051,6 +3065,7 @@ mostlyclean: lang.mostlyclean
clean: mostlyclean lang.clean
-rm -f libgcc.a libgcc_eh.a libgcov.a
-rm -f libgcc_s$(SHLIB_EXT) libgcc_s$(SHLIB_EXT).1
-rm -f libunwind*
-rm -f config.h tconfig.h bconfig.h tm_p.h tm.h
-rm -f options.c options.h optionlist
-rm -f cs-*
@ -3880,6 +3895,7 @@ stage1-start:
-if [ -f collect-ld$(exeext) ] ; then (cd stage1 && $(LN_S) ../collect-ld$(exeext) .) ; else true ; fi
-rm -f stage1/libgcc.a stage1/libgcc_eh.a stage1/libgcov.a
-rm -f stage1/libgcc_s*$(SHLIB_EXT)
-rm -f stage1/libunwind*
-cp libgcc.a stage1
-$(RANLIB_FOR_TARGET) stage1/libgcc.a
-cp libgcov.a stage1
@ -3888,6 +3904,7 @@ stage1-start:
$(RANLIB_FOR_TARGET) stage1/libgcc_eh.a; \
fi
-cp libgcc_s*$(SHLIB_EXT) stage1
-cp libunwind* stage1
-for f in .. $(EXTRA_MULTILIB_PARTS); do if [ x$${f} != x.. ]; then \
cp stage1/$${f} . ; \
else true; \
@ -3915,6 +3932,7 @@ stage2-start:
-if [ -f collect-ld$(exeext) ] ; then (cd stage2 && $(LN_S) ../collect-ld$(exeext) .) ; else true ; fi
-rm -f stage2/libgcc.a stage2/libgcov.a stage2/libgcc_eh.a
-rm -f stage2/libgcc_s*$(SHLIB_EXT)
-rm -f stage2/libunwind*
-cp libgcc.a stage2
-$(RANLIB_FOR_TARGET) stage2/libgcc.a
-cp libgcov.a stage2
@ -3923,6 +3941,7 @@ stage2-start:
$(RANLIB_FOR_TARGET) stage2/libgcc_eh.a; \
fi
-cp libgcc_s*$(SHLIB_EXT) stage2
-cp libunwind* stage2
-for f in .. $(EXTRA_MULTILIB_PARTS); do if [ x$${f} != x.. ]; then \
cp stage2/$${f} . ; \
else true; \
@ -3946,6 +3965,7 @@ stage3-start:
-if [ -f collect-ld$(exeext) ] ; then (cd stage3 && $(LN_S) ../collect-ld$(exeext) .) ; else true ; fi
-rm -f stage3/libgcc.a stage3/libgcov.a stage3/libgcc_eh.a
-rm -f stage3/libgcc_s*$(SHLIB_EXT)
-rm -f stage3/libunwind*
-cp libgcc.a stage3
-$(RANLIB_FOR_TARGET) stage3/libgcc.a
-cp libgcov.a stage3
@ -3954,6 +3974,7 @@ stage3-start:
$(RANLIB_FOR_TARGET) stage3/libgcc_eh.a; \
fi
-cp libgcc_s*$(SHLIB_EXT) stage3
-cp libunwind* stage3
-for f in .. $(EXTRA_MULTILIB_PARTS); do if [ x$${f} != x.. ]; then \
cp stage3/$${f} . ; \
else true; \
@ -3977,6 +3998,7 @@ stage4-start:
-if [ -f collect-ld$(exeext) ] ; then (cd stage4 && $(LN_S) ../collect-ld$(exeext) .) ; else true ; fi
-rm -f stage4/libgcc.a stage4/libgcov.a stage4/libgcc_eh.a
-rm -f stage4/libgcc_s*$(SHLIB_EXT)
-rm -f stage4/libunwind*
-cp libgcc.a stage4
-$(RANLIB_FOR_TARGET) stage4/libgcc.a
-cp libgcov.a stage4
@ -3985,6 +4007,7 @@ stage4-start:
$(RANLIB_FOR_TARGET) stage4/libgcc_eh.a; \
fi
-cp libgcc_s*$(SHLIB_EXT) stage4
-cp libunwind* stage4
-for f in .. $(EXTRA_MULTILIB_PARTS); do if [ x$${f} != x.. ]; then \
cp stage4/$${f} . ; \
else true; \
@ -4006,6 +4029,7 @@ stageprofile-start:
-if [ -f collect-ld$(exeext) ] ; then (cd stageprofile && $(LN_S) ../collect-ld$(exeext) .) ; else true ; fi
-rm -f stageprofile/libgcc.a stageprofile/libgcov.a stageprofile/libgcc_eh.a
-rm -f stageprofile/libgcc_s*$(SHLIB_EXT)
-rm -f stageprofile/libunwind*
-cp libgcc.a stageprofile
-$(RANLIB_FOR_TARGET) stageprofile/libgcc.a
-cp libgcov.a stageprofile
@ -4014,6 +4038,7 @@ stageprofile-start:
$(RANLIB_FOR_TARGET) stageprofile/libgcc_eh.a; \
fi
-cp libgcc_s*$(SHLIB_EXT) stageprofile
-cp libunwind* stageprofile
-for f in .. $(EXTRA_MULTILIB_PARTS); do if [ x$${f} != x.. ]; then \
cp stageprofile/$${f} . ; \
else true; \
@ -4035,6 +4060,7 @@ stagefeedback-start:
-if [ -f collect-ld$(exeext) ] ; then (cd stagefeedback && $(LN_S) ../collect-ld$(exeext) .) ; else true ; fi
-rm -f stagefeedback/libgcc.a stagefeedback/libgcov.a stagefeedback/libgcc_eh.a
-rm -f stagefeedback/libgcc_s*$(SHLIB_EXT)
-rm -f stagefeedback/libunwind*
-rm -f *.da
-for dir in fixinc po testsuite $(SUBDIRS); \
do \
@ -4048,6 +4074,7 @@ stagefeedback-start:
$(RANLIB_FOR_TARGET) stagefeedback/libgcc_eh.a; \
fi
-cp libgcc_s*$(SHLIB_EXT) stagefeedback
-cp libunwind* stagefeedback
-for f in .. $(EXTRA_MULTILIB_PARTS); do if [ x$${f} != x.. ]; then \
cp stagefeedback/$${f} . ; \
else true; \

8
gcc/config.gcc
View File

@ -1148,12 +1148,12 @@ ia64*-*-freebsd*)
;;
ia64*-*-linux*)
tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h ia64/sysv4.h ia64/linux.h"
tmake_file="${tmake_file} ia64/t-ia64 ia64/t-glibc"
tmake_file="${tmake_file} ia64/t-ia64 t-libunwind ia64/t-glibc"
if test x$with_system_libunwind != xyes ; then
tmake_file="${tmake_file} t-libunwind-elf ia64/t-glibc-libunwind"
fi
target_cpu_default="MASK_GNU_AS|MASK_GNU_LD"
extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
if test x"$use_libunwind_exceptions" = xyes; then
tmake_file="$tmake_file t-libunwind"
fi
;;
ia64*-*-hpux*)
tm_file="${tm_file} dbxelf.h elfos.h svr4.h ia64/sysv4.h ia64/hpux.h"

3
gcc/config.in
View File

@ -573,9 +573,6 @@
/* Define if your assembler mis-optimizes .eh_frame data. */
#undef USE_AS_TRADITIONAL_FORMAT
/* Define if gcc should use -lunwind. */
#undef USE_LIBUNWIND_EXCEPTIONS
/* Define to 1 if the 'long long' (or '__int64') is wider than 'long' but
still efficiently supported by the host hardware. */
#undef USE_LONG_LONG_FOR_WIDEST_FAST_INT

4
gcc/config/ia64/t-glibc
View File

@ -1 +1,3 @@
LIB2ADDEH += $(srcdir)/config/ia64/fde-glibc.c
# Use system libunwind library on IA-64 GLIBC based system.
LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c \
$(srcdir)/unwind-compat.c

4
gcc/config/ia64/t-glibc-libunwind Normal file
View File

@ -0,0 +1,4 @@
# Build libunwind for IA-64 GLIBC based system.
LIBUNWIND = $(srcdir)/config/ia64/fde-glibc.c \
$(srcdir)/config/ia64/unwind-ia64.c
LIBUNWINDDEP = unwind.inc

2
gcc/config/ia64/t-hpux
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@ -23,6 +23,8 @@ LIBGCC1_TEST =
# We do not want to include the EH stuff that linux uses, we want to use
# the HP-UX libunwind library.
T_CFLAGS += -DUSE_LIBUNWIND_EXCEPTIONS
LIB2ADDEH =
SHLIB_EXT = .so

21
gcc/config/ia64/unwind-ia64.c
View File

@ -37,6 +37,7 @@
#include "tm.h"
#include "unwind.h"
#include "unwind-ia64.h"
#include "unwind-compat.h"
#include "ia64intrin.h"
/* This isn't thread safe, but nice for occasional tests. */
@ -2381,4 +2382,24 @@ uw_identify_context (struct _Unwind_Context *context)
}
#include "unwind.inc"
#if defined (USE_GAS_SYMVER) && defined (SHARED) && defined (USE_LIBUNWIND_EXCEPTIONS)
alias (_Unwind_Backtrace);
alias (_Unwind_DeleteException);
alias (_Unwind_FindEnclosingFunction);
alias (_Unwind_FindTableEntry);
alias (_Unwind_ForcedUnwind);
alias (_Unwind_GetBSP);
alias (_Unwind_GetCFA);
alias (_Unwind_GetGR);
alias (_Unwind_GetIP);
alias (_Unwind_GetLanguageSpecificData);
alias (_Unwind_GetRegionStart);
alias (_Unwind_RaiseException);
alias (_Unwind_Resume);
alias (_Unwind_Resume_or_Rethrow);
alias (_Unwind_SetGR);
alias (_Unwind_SetIP);
#endif
#endif

9
gcc/config/t-libunwind
View File

@ -1,5 +1,12 @@
# Use the system libunwind library.
#
# Override the default value from t-slibgcc-elf-ver and mention -lunwind
# so that the resulting libgcc_s.so has the necessary DT_NEEDED entry for
# libunwind.
SHLIB_LC = -lunwind -lc
LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
LIB2ADDEH = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c \
$(srcdir)/unwind-compat.c $(srcdir)/unwind-dw2-fde-compat.c
LIB2ADDEHSTATIC = $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
T_CFLAGS += -DUSE_LIBUNWIND_EXCEPTIONS
TARGET_LIBGCC2_CFLAGS += -DUSE_GAS_SYMVER

26
gcc/config/t-libunwind-elf Normal file
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@ -0,0 +1,26 @@
# Build libunwind for ELF with the GNU linker.
# Use unwind-dw2-fde-glibc
LIBUNWIND = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c
LIBUNWINDDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c
SHLIBUNWIND_SOVERSION = 7
SHLIBUNWIND_SONAME = @shlib_so_name@.so.$(SHLIBUNWIND_SOVERSION)
SHLIBUNWIND_NAME = @shlib_dir@@shlib_so_name@.so.$(SHLIBUNWIND_SOVERSION)
SHLIBUNWIND_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared \
-nodefaultlibs -Wl,-h,$(SHLIBUNWIND_SONAME) \
-Wl,-z,text -Wl,-z,defs \
-o $(SHLIBUNWIND_NAME) @multilib_flags@ $(SHLIB_OBJS) -lc && \
rm -f $(SHLIB_SOLINK) && \
$(LN_S) $(SHLIBUNWIND_NAME) $(SHLIB_SOLINK)
# $(slibdir) double quoted to protect it from expansion while building
# libgcc.mk. We want this delayed until actual install time.
SHLIBUNWIND_INSTALL = \
$$(SHELL) $$(srcdir)/mkinstalldirs $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
$(INSTALL_DATA) $(SHLIBUNWIND_NAME) \
$$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIBUNWIND_SONAME); \
rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
$(LN_S) $(SHLIBUNWIND_SONAME) \
$$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)

279
gcc/configure vendored
View File

@ -309,7 +309,7 @@ ac_includes_default="\
# include <unistd.h>
#endif"
ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP strict1_warn warn_cflags WERROR nocommon_flag TREEBROWSER EGREP valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR stage1_cflags COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file PACKAGE VERSION USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS STMP_FIXINC STMP_FIXPROTO collect2 libgcc_visibility GGC zlibdir zlibinc MAINT ANDER BANSHEEINC BANSHEELIB gcc_tooldir dollar slibdir objdir subdirs srcdir all_boot_languages all_compilers all_gtfiles all_gtfiles_files_langs all_gtfiles_files_files all_lang_makefrags all_lang_makefiles all_languages all_stagestuff build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines check_languages cc_set_by_configure quoted_cc_set_by_configure cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir libstdcxx_incdir gcc_version gcc_version_full gcc_version_trigger host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file stage_prefix_set_by_configure quoted_stage_prefix_set_by_configure symbolic_link thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs target_cpu_default GMPLIBS GMPINC LIBOBJS LTLIBOBJS'
ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os build_subdir host_subdir target_subdir GENINSRC CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT NO_MINUS_C_MINUS_O OUTPUT_OPTION CPP strict1_warn warn_cflags WERROR nocommon_flag TREEBROWSER EGREP valgrind_path valgrind_path_defines valgrind_command coverage_flags enable_multilib enable_shared TARGET_SYSTEM_ROOT TARGET_SYSTEM_ROOT_DEFINE CROSS_SYSTEM_HEADER_DIR onestep SET_MAKE AWK LN_S LN RANLIB ac_ct_RANLIB ranlib_flags INSTALL INSTALL_PROGRAM INSTALL_DATA make_compare_target have_mktemp_command MAKEINFO BUILD_INFO GENERATED_MANPAGES FLEX BISON NM AR stage1_cflags COLLECT2_LIBS GNAT_LIBEXC LDEXP_LIB TARGET_GETGROUPS_T LIBICONV LIBICONV_DEP manext objext gthread_flags extra_modes_file PACKAGE VERSION USE_NLS LIBINTL LIBINTL_DEP INCINTL XGETTEXT GMSGFMT POSUB CATALOGS CROSS ALL SYSTEM_HEADER_DIR inhibit_libc CC_FOR_BUILD BUILD_CFLAGS STMP_FIXINC STMP_FIXPROTO collect2 libgcc_visibility GGC zlibdir zlibinc MAINT ANDER BANSHEEINC BANSHEELIB gcc_tooldir dollar slibdir objdir subdirs srcdir all_boot_languages all_compilers all_gtfiles all_gtfiles_files_langs all_gtfiles_files_files all_lang_makefrags all_lang_makefiles all_languages all_stagestuff build_exeext build_install_headers_dir build_xm_file_list build_xm_include_list build_xm_defines check_languages cc_set_by_configure quoted_cc_set_by_configure cpp_install_dir xmake_file tmake_file extra_gcc_objs extra_headers_list extra_objs extra_parts extra_passes extra_programs float_h_file gcc_config_arguments gcc_gxx_include_dir libstdcxx_incdir gcc_version gcc_version_full gcc_version_trigger host_exeext host_xm_file_list host_xm_include_list host_xm_defines out_host_hook_obj install lang_opt_files lang_specs_files lang_tree_files local_prefix md_file objc_boehm_gc out_file out_object_file stage_prefix_set_by_configure quoted_stage_prefix_set_by_configure symbolic_link thread_file tm_file_list tm_include_list tm_defines tm_p_file_list tm_p_include_list xm_file_list xm_include_list xm_defines c_target_objs cxx_target_objs target_cpu_default GMPLIBS GMPINC LIBOBJS LTLIBOBJS'
ac_subst_files='language_hooks'
# Initialize some variables set by options.
@ -890,7 +890,6 @@ Optional Features:
--enable-initfini-array use .init_array/.fini_array sections
--enable-sjlj-exceptions
arrange to use setjmp/longjmp exception handling
--enable-libunwind-exceptions force use libunwind for exceptions
--disable-win32-registry
disable lookup of installation paths in the
Registry on Windows hosts
@ -923,6 +922,7 @@ Optional Packages:
--with-dwarf2 force the default debug format to be DWARF 2
--with-sysroot=DIR Search for usr/lib, usr/include, et al, within DIR.
--with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib
--with-system-libunwind use installed libunwind
--with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler
--with-system-zlib use installed libz
@ -1031,7 +1031,7 @@ esac
else
echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
fi
cd "$ac_popdir"
cd $ac_popdir
done
fi
@ -1495,6 +1495,9 @@ test -n "$target_alias" &&
program_prefix=${target_alias}-
# Determine the noncanonical target name, for directory use.
ACX_NONCANONICAL_TARGET
# Determine the target- and build-specific subdirectories
case ${build_alias} in
"") build_noncanonical=${build} ;;
*) build_noncanonical=${build_alias} ;;
@ -1510,10 +1513,6 @@ esac
*) target_noncanonical=${target_alias} ;;
esac
# Determine the target- and build-specific subdirectories
# Prefix 'build-' so this never conflicts with target_subdir.
build_subdir="build-${build_noncanonical}"
# Not really a subdirectory, but here for completeness.
@ -2383,7 +2382,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2441,7 +2441,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2557,7 +2558,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2611,7 +2613,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2656,7 +2659,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2700,7 +2704,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3106,7 +3111,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3177,7 +3183,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3236,7 +3243,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3302,7 +3310,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3372,7 +3381,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3442,7 +3452,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3512,7 +3523,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3583,7 +3595,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3655,7 +3668,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3728,7 +3742,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3778,7 +3793,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -3836,7 +3852,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4071,7 +4088,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4241,7 +4259,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4304,7 +4323,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5269,7 +5289,7 @@ if test "${gcc_cv_prog_makeinfo_modern+set}" = set; then
else
ac_prog_version=`$MAKEINFO --version 2>&1 |
sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'`
echo "configure:5272: version of makeinfo is $ac_prog_version" >&5
echo "configure:5292: version of makeinfo is $ac_prog_version" >&5
case $ac_prog_version in
'') gcc_cv_prog_makeinfo_modern=no;;
4.[2-9]*)
@ -5524,7 +5544,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5594,7 +5615,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5759,7 +5781,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5820,7 +5843,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5890,7 +5914,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6164,7 +6189,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6237,7 +6263,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6278,7 +6305,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6480,7 +6508,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6554,7 +6583,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6608,7 +6638,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6686,7 +6717,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6740,7 +6772,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6808,7 +6841,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6938,7 +6972,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -7059,7 +7094,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -7410,7 +7446,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -7527,7 +7564,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -7639,7 +7677,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -7797,7 +7836,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8166,7 +8206,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8216,7 +8257,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8291,7 +8333,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8365,7 +8408,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8467,7 +8511,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8552,7 +8597,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8621,7 +8667,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8690,7 +8737,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8773,7 +8821,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8849,7 +8898,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -8915,7 +8965,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -9051,7 +9102,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -9101,88 +9153,14 @@ _ACEOF
fi;
if test x$host = x$target; then
echo "$as_me:$LINENO: checking for main in -lunwind" >&5
echo $ECHO_N "checking for main in -lunwind... $ECHO_C" >&6
if test "${ac_cv_lib_unwind_main+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lunwind $LIBS"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
# For platforms with the unwind ABI which includes an unwind library,
# libunwind, we can choose to use the system libunwind.
# Check whether --with-system-libunwind or --without-system-libunwind was given.
if test "${with_system_libunwind+set}" = set; then
withval="$with_system_libunwind"
int
main ()
{
main ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_lib_unwind_main=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_unwind_main=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_lib_unwind_main" >&5
echo "${ECHO_T}$ac_cv_lib_unwind_main" >&6
if test $ac_cv_lib_unwind_main = yes; then
use_libunwind_default=yes
else
use_libunwind_default=no
fi
else
use_libunwind_default=no
fi
# Use libunwind based exception handling.
# Check whether --enable-libunwind-exceptions or --disable-libunwind-exceptions was given.
if test "${enable_libunwind_exceptions+set}" = set; then
enableval="$enable_libunwind_exceptions"
use_libunwind_exceptions=$enableval
else
use_libunwind_exceptions=$use_libunwind_default
fi;
if test x"$use_libunwind_exceptions" = xyes; then
cat >>confdefs.h <<\_ACEOF
#define USE_LIBUNWIND_EXCEPTIONS 1
_ACEOF
fi
# --------------------------------------------------------
# Build, host, and target specific configuration fragments
@ -9432,7 +9410,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -9699,7 +9678,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -9753,7 +9733,8 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -13182,7 +13163,6 @@ s,@target@,$target,;t t
s,@target_cpu@,$target_cpu,;t t
s,@target_vendor@,$target_vendor,;t t
s,@target_os@,$target_os,;t t
s,@target_noncanonical@,$target_noncanonical,;t t
s,@build_subdir@,$build_subdir,;t t
s,@host_subdir@,$host_subdir,;t t
s,@target_subdir@,$target_subdir,;t t
@ -13506,6 +13486,11 @@ esac
if test x"$ac_file" != x-; then
{ echo "$as_me:$LINENO: creating $ac_file" >&5
echo "$as_me: creating $ac_file" >&6;}
rm -f "$ac_file"
fi
# Let's still pretend it is `configure' which instantiates (i.e., don't
# use $as_me), people would be surprised to read:
# /* config.h. Generated by config.status. */
@ -13544,12 +13529,6 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
fi;;
esac
done` || { (exit 1); exit 1; }
if test x"$ac_file" != x-; then
{ echo "$as_me:$LINENO: creating $ac_file" >&5
echo "$as_me: creating $ac_file" >&6;}
rm -f "$ac_file"
fi
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
sed "$ac_vpsub

18
gcc/configure.ac
View File

@ -1114,20 +1114,10 @@ AC_ARG_ENABLE(sjlj-exceptions,
AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
[Define 0/1 to force the choice for exception handling model.])])
if test x$host = x$target; then
AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
else
use_libunwind_default=no
fi
# Use libunwind based exception handling.
AC_ARG_ENABLE(libunwind-exceptions,
[ --enable-libunwind-exceptions force use libunwind for exceptions],
use_libunwind_exceptions=$enableval,
use_libunwind_exceptions=$use_libunwind_default)
if test x"$use_libunwind_exceptions" = xyes; then
AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
[Define if gcc should use -lunwind.])
fi
# For platforms with the unwind ABI which includes an unwind library,
# libunwind, we can choose to use the system libunwind.
AC_ARG_WITH(system-libunwind,
[ --with-system-libunwind use installed libunwind])
# --------------------------------------------------------
# Build, host, and target specific configuration fragments

7
gcc/doc/install.texi
View File

@ -2933,8 +2933,9 @@ have installed.
IA-64 processor (also known as IPF, or Itanium Processor Family)
running GNU/Linux.
If you are using the optional libunwind library, then you must use
libunwind 0.96 or later.
If you are using the installed system libunwind library with
@option{--with-system-libunwind}, then you must use libunwind 0.98 or
later.
None of the following versions of GCC has an ABI that is compatible
with any of the other versions in this list, with the exception that
@ -2956,6 +2957,8 @@ the option @option{--with-gnu-as} may be necessary.
The GCC libunwind library has not been ported to HPUX. This means that for
GCC versions 3.2.3 and earlier, @option{--enable-libunwind-exceptions}
is required to build GCC. For GCC 3.3 and later, this is the default.
For gcc 3.4.3 and later, @option{--enable-libunwind-exceptions} is
removed and the system libunwind library will always be used.
@html
<hr />

3
gcc/gcc.c
View File

@ -1702,6 +1702,9 @@ init_spec (void)
"-lgcc_s"
#else
"-lgcc_s%M"
#endif
#ifdef USE_LIBUNWIND_EXCEPTIONS
" -lunwind"
#endif
,
"-lgcc",

159
gcc/mklibgcc.in
View File

@ -14,7 +14,13 @@
# LIB2ADD
# LIB2ADD_ST
# LIB2ADDEH
# LIB2ADDEHSTATIC
# LIB2ADDEHSHARED
# LIB2ADDEHDEP
# LIBUNWIND
# LIBUNWINDDEP
# SHLIBUNWIND_LINK
# SHLIBUNWIND_INSTALL
# FPBIT
# FPBIT_FUNCS
# LIB2_DIVMOD_FUNCS
@ -117,7 +123,8 @@ done
libgcc2_objs=""
libgcc2_st_objs=""
libgcc2_eh_objs=""
libgcc2_eh_static_objs=""
libgcc2_eh_shared_objs=""
for name in $lib2funcs; do
for ml in $MULTILIBS; do
@ -236,13 +243,27 @@ for file in $LIB2ADDEH; do
echo $out: stmp-dirs $file $LIB2ADDEHDEP $libgcc_dep
echo " $gcc_compile" $flags -fexceptions -c $file -o $out
done
if [ "$SHLIB_LINK" ]; then
libgcc2_eh_objs="$libgcc2_eh_objs ${oname}${objext}"
else
if [ -z "$SHLIB_LINK" ]; then
libgcc2_objs="$libgcc2_objs ${oname}${objext}"
fi
done
if [ "$SHLIB_LINK" ]; then
# Those should be in libgcc_eh.a.
for file in $LIB2ADDEHSTATIC; do
name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
oname=`echo $name | sed -e 's,.*/,,'`
libgcc2_eh_static_objs="$libgcc2_eh_static_objs ${oname}${objext}"
done
# Those should be in libgcc.so.
for file in $LIB2ADDEHSHARED; do
name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
oname=`echo $name | sed -e 's,.*/,,'`
libgcc2_eh_shared_objs="$libgcc2_eh_shared_objs ${oname}${objext}"
done
fi
for file in $LIB2ADD_ST; do
name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
oname=`echo $name | sed -e 's,.*/,,'`
@ -261,6 +282,31 @@ for file in $LIB2ADD_ST; do
libgcc2_st_objs="$libgcc2_st_objs ${oname}${objext}"
done
if [ "$LIBUNWIND" ]; then
libunwind_static_objs=""
libunwind_shared_objs=""
for file in $LIBUNWIND; do
name=`echo $file | sed -e 's/[.][cSo]$//' -e 's/[.]asm$//' -e 's/[.]txt$//'`
oname=`echo $name | sed -e 's,.*/,,'`
for ml in $MULTILIBS; do
dir=`echo ${ml} | sed -e 's/;.*$//' -e 's/=/$(EQ)/g'`
flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
out="libgcc/${dir}/${oname}${objext}"
if [ ${name}.asm = ${file} ]; then
flags="$flags -xassembler-with-cpp"
fi
echo $out: stmp-dirs $file $LIBUNWINDDEP
echo " $gcc_compile" $flags -fexceptions -c $file -o $out
echo ${out}s: stmp-dirs $file $LIBUNWINDDEP
echo " $gcc_compile" $flags -fexceptions -DSHARED -c $file -o ${out}s
done
libunwind_static_objs="$libunwind_static_objs ${oname}${objext}"
libunwind_shared_objs="$libunwind_shared_objs ${oname}${objext}s"
done
fi
#
# build libgcov components
#
@ -288,17 +334,21 @@ for ml in $MULTILIBS; do
flags=`echo ${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`;
libgcc_objs=""
libgcc_eh_objs=""
libgcc_eh_static_objs=""
libgcc_eh_shared_objs=""
for o in $libgcc1_objs; do
libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
done
for o in $libgcc2_objs; do
libgcc_objs="$libgcc_objs libgcc/${dir}/$o"
done
for o in $libgcc2_eh_objs; do
libgcc_eh_objs="$libgcc_eh_objs libgcc/${dir}/$o"
for o in $libgcc2_eh_static_objs; do
libgcc_eh_static_objs="$libgcc_eh_static_objs libgcc/${dir}/$o"
done
libgcc_sh_objs="$libgcc_objs $libgcc_eh_objs"
for o in $libgcc2_eh_shared_objs; do
libgcc_eh_shared_objs="$libgcc_eh_shared_objs libgcc/${dir}/$o"
done
libgcc_sh_objs="$libgcc_objs $libgcc_eh_shared_objs"
shlib_deps="$libgcc_sh_objs"
libgcc_st_objs=""
@ -310,6 +360,18 @@ for ml in $MULTILIBS; do
for o in $libgcov_objs; do
libgcov_a_objs="$libgcov_a_objs libgcc/${dir}/$o"
done
if [ "$LIBUNWIND" ]; then
libunwind_a_objs=""
for o in $libunwind_static_objs; do
libunwind_a_objs="$libunwind_a_objs libgcc/${dir}/$o"
done
libunwind_sh_objs=""
for o in $libunwind_shared_objs; do
libunwind_sh_objs="$libunwind_sh_objs libgcc/${dir}/$o"
done
shlibunwind_deps="$libunwind_sh_objs"
fi
if [ "$SHLIB_LINK" -a "$SHLIB_MKMAP" ]; then
mapfile="libgcc/${dir}/libgcc.map"
@ -375,21 +437,37 @@ EOF
echo ' $(AR_CREATE_FOR_TARGET)' ${dir}/libgcov.a $libgcov_a_objs
echo ' $(RANLIB_FOR_TARGET)' ${dir}/libgcov.a
if [ "$LIBUNWIND" ]; then
echo ""
echo "${dir}/libunwind.a: stmp-dirs $libunwind_a_objs"
echo " -rm -rf ${dir}/libunwind.a"
echo ' $(AR_CREATE_FOR_TARGET)' ${dir}/libunwind.a $libunwind_a_objs
echo ' $(RANLIB_FOR_TARGET)' ${dir}/libunwind.a
echo ""
echo "${dir}/libgcc.a: ${dir}/libunwind.a"
fi
if [ "$SHLIB_LINK" ]; then
echo ""
echo "${dir}/libgcc_eh.a: stmp-dirs $libgcc_eh_objs"
echo "${dir}/libgcc_eh.a: stmp-dirs $libgcc_eh_static_objs"
echo " -rm -rf ${dir}/libgcc_eh.a"
echo ' $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc_eh.a $libgcc_eh_objs
echo ' $(AR_CREATE_FOR_TARGET)' ${dir}/libgcc_eh.a $libgcc_eh_static_objs
echo ' $(RANLIB_FOR_TARGET)' ${dir}/libgcc_eh.a
if [ -z "$SHLIB_MULTILIB" ]; then
if [ "$dir" = . ]; then
shlib_base_name=libgcc_s
shlibunwind_base_name=libunwind
else
shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
shlibunwind_base_name=libunwind_`echo $dir | sed s,/,_,g`
fi
shlib_so_name="$shlib_base_name"
shlibunwind_so_name="$shlibunwind_base_name"
if [ "$LIBUNWIND" ]; then
shlib_deps="$shlib_deps ${dir}/${shlibunwind_base_name}${SHLIB_EXT}"
fi
shlib_dir=
shlib_slibdir_qual=
if [ -n "$MULTILIB_OSDIRNAMES" ]; then
@ -401,11 +479,13 @@ EOF
os_multilib_base=`echo $os_multilib_dir | sed -n "s~/${gcc_multilib_sup}\$~~p"`
if [ -z "$os_multilib_base" ]; then
shlib_so_name=libgcc_s
shlibunwind_so_name=libunwind
if [ "$os_multilib_dir" != "." ]; then
shlib_slibdir_qual="/$os_multilib_dir"
fi
else
shlib_so_name=libgcc_s_`echo $gcc_multilib_sup | sed s,/,_,g`
shlibunwind_so_name=libunwind_`echo $gcc_multilib_sup | sed s,/,_,g`
shlib_slibdir_qual="/$os_multilib_base"
fi
fi
@ -421,8 +501,21 @@ EOF
-e "s%@shlib_so_name@%$shlib_so_name%g" \
-e "s%@shlib_dir@%$shlib_dir%g" \
-e "s%@shlib_slibdir_qual@%%g"
if [ "$LIBUNWIND" ]; then
echo ""
echo "${dir}/${shlibunwind_base_name}${SHLIB_EXT}: $shlibunwind_deps"
echo " $SHLIBUNWIND_LINK" \
| sed -e "s%@multilib_flags@%$flags%g" \
-e "s%@multilib_dir@%$dir%g" \
-e "s%@shlib_objs@%$libunwind_sh_objs%g" \
-e "s%@shlib_base_name@%$shlibunwind_base_name%g" \
-e "s%@shlib_so_name@%$shlibunwind_so_name%g" \
-e "s%@shlib_dir@%$shlib_dir%g" \
-e "s%@shlib_slibdir_qual@%%g"
fi
elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
shlib_base_name="libgcc_s";
shlibunwind_base_name="libunwind";
echo ""
echo "${shlib_base_name}${SHLIB_EXT}: $shlib_deps"
echo " $SHLIB_LINK" \
@ -434,6 +527,18 @@ EOF
-e "s%@shlib_so_name@%$shlib_base_name%g" \
-e "s%@shlib_dir@%%g" \
-e "s%@shlib_slibdir_qual@%%g"
if [ "$LIBUNWIND" ]; then
echo ""
echo "${shlibunwind_base_name}${SHLIB_EXT}: $shlibunwind_deps"
echo " $SHLIBUNWIND_LINK" \
| sed -e "s%@multilib_flags@%$flags%g" \
-e "s%@multilib_dir@%$dir%g" \
-e "s%@shlib_objs@%$libgcc_sh_objs%g" \
-e "s%@shlib_base_name@%$shlibunwind_base_name%g" \
-e "s%@shlib_so_name@%$shlibunwind_base_name%g" \
-e "s%@shlib_dir@%%g" \
-e "s%@shlib_slibdir_qual@%%g"
fi
fi
fi
done
@ -466,6 +571,9 @@ for ml in $MULTILIBS; do
dirs="$dirs ${dir} libgcc/${dir}"
fi
all="$all ${dir}/libgcc.a ${dir}/libgcov.a"
if [ "$LIBUNWIND" ]; then
all="$all ${dir}/libunwind.a"
fi
if [ "$SHLIB_LINK" ]; then
all="$all ${dir}/libgcc_eh.a"
if [ -z "$SHLIB_MULTILIB" ]; then
@ -475,8 +583,14 @@ for ml in $MULTILIBS; do
suff=_`echo $dir | sed s,/,_,g`
fi
all="$all ${dir}/libgcc_s${suff}${SHLIB_EXT}"
if [ "$LIBUNWIND" ]; then
all="$all ${dir}/${dir}/libunwind${suff}${SHLIB_EXT}"
fi
elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
all="$all libgcc_s${SHLIB_EXT}"
if [ "$LIBUNWIND" ]; then
all="$all ${dir}/${dir}/libunwind${SHLIB_EXT}"
fi
fi
fi
done
@ -536,10 +650,13 @@ for ml in $MULTILIBS; do
if [ -z "$SHLIB_MULTILIB" ]; then
if [ "$dir" = . ]; then
shlib_base_name=libgcc_s
shlibunwind_base_name=libunwind
else
shlib_base_name=libgcc_s_`echo $dir | sed s,/,_,g`
shlibunwind_base_name=libunwind_`echo $dir | sed s,/,_,g`
fi
shlib_so_name="$shlib_base_name"
shlibunwind_so_name="$shlibunwind_base_name"
shlib_dir=
shlib_slibdir_qual=
if [ -n "$MULTILIB_OSDIRNAMES" ]; then
@ -552,11 +669,13 @@ for ml in $MULTILIBS; do
os_multilib_base=`echo $os_multilib_dir | sed -n "s~/${gcc_multilib_sup}\$~~p"`
if [ -z "$os_multilib_base" ]; then
shlib_so_name=libgcc_s
shlibunwind_so_name=libunwind
if [ "$os_multilib_dir" != "." ]; then
shlib_slibdir_qual="/$os_multilib_dir"
fi
else
shlib_so_name=libgcc_s_`echo $gcc_multilib_sup | sed s,/,_,g`
shlibunwind_so_name=libunwind_`echo $gcc_multilib_sup | sed s,/,_,g`
shlib_slibdir_qual="/$os_multilib_base"
fi
fi
@ -565,6 +684,16 @@ for ml in $MULTILIBS; do
-e "s%@shlib_so_name@%$shlib_so_name%g" \
-e "s%@shlib_dir@%$shlib_dir%g" \
-e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
if [ "$LIBUNWIND" ]; then
echo " $SHLIBUNWIND_INSTALL" \
| sed -e "s%@shlib_base_name@%$shlibunwind_base_name%g" \
-e "s%@shlib_so_name@%$shlibunwind_so_name%g" \
-e "s%@shlib_dir@%$shlib_dir%g" \
-e "s%@shlib_slibdir_qual@%$shlib_slibdir_qual%g"
libunwinddir='$(DESTDIR)$(slibdir)$(shlib_slibdir_qual)/$(shlib_dir)'
echo ' $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/
echo ' $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a
fi
elif [ "$SHLIB_MULTILIB" = "$dir" ]; then
shlib_base_name="libgcc_s";
echo " $SHLIB_INSTALL" \
@ -572,6 +701,16 @@ for ml in $MULTILIBS; do
-e "s%@shlib_so_name@%$shlib_base_name%g" \
-e "s%@shlib_dir@%%g" \
-e "s%@shlib_slibdir_qual@%%g"
if [ "$LIBUNWIND" ]; then
echo " $SHLIBUNWIND_INSTALL" \
| sed -e "s%@shlib_base_name@%$shlibunwind_base_name%g" \
-e "s%@shlib_so_name@%$shlibunwind_base_name%g" \
-e "s%@shlib_dir@%%g" \
-e "s%@shlib_slibdir_qual@%%g"
libunwinddir='$(DESTDIR)$(slibdir)'
echo ' $(INSTALL_DATA)' ${dir}/libunwind.a ${libunwinddir}/
echo ' $(RANLIB_FOR_TARGET)' ${libunwinddir}/libunwind.a
fi
fi
fi
done

206
gcc/unwind-compat.c Normal file
View File

@ -0,0 +1,206 @@
/* Backward compatibility unwind routines.
Copyright (C) 2004
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combined
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS)
#include "unwind.h"
#include "unwind-dw2-fde.h"
#include "unwind-compat.h"
extern _Unwind_Reason_Code __libunwind_Unwind_Backtrace
(_Unwind_Trace_Fn, void *);
_Unwind_Reason_Code
_Unwind_Backtrace (_Unwind_Trace_Fn trace, void *trace_argument)
{
return __libunwind_Unwind_Backtrace (trace, trace_argument);
}
symver (_Unwind_Backtrace, GCC_3.3);
extern void __libunwind_Unwind_DeleteException
(struct _Unwind_Exception *);
void
_Unwind_DeleteException (struct _Unwind_Exception *exc)
{
return __libunwind_Unwind_DeleteException (exc);
}
symver (_Unwind_DeleteException, GCC_3.0);
extern void * __libunwind_Unwind_FindEnclosingFunction (void *);
void *
_Unwind_FindEnclosingFunction (void *pc)
{
return __libunwind_Unwind_FindEnclosingFunction (pc);
}
symver (_Unwind_FindEnclosingFunction, GCC_3.3);
extern _Unwind_Reason_Code __libunwind_Unwind_ForcedUnwind
(struct _Unwind_Exception *, _Unwind_Stop_Fn, void *);
_Unwind_Reason_Code
_Unwind_ForcedUnwind (struct _Unwind_Exception *exc,
_Unwind_Stop_Fn stop, void * stop_argument)
{
return __libunwind_Unwind_ForcedUnwind (exc, stop, stop_argument);
}
symver (_Unwind_ForcedUnwind, GCC_3.0);
extern _Unwind_Word __libunwind_Unwind_GetCFA
(struct _Unwind_Context *);
_Unwind_Word
_Unwind_GetCFA (struct _Unwind_Context *context)
{
return __libunwind_Unwind_GetCFA (context);
}
symver (_Unwind_GetCFA, GCC_3.3);
#ifdef __ia64__
extern _Unwind_Word __libunwind_Unwind_GetBSP
(struct _Unwind_Context *);
_Unwind_Word
_Unwind_GetBSP (struct _Unwind_Context * context)
{
return __libunwind_Unwind_GetBSP (context);
}
symver (_Unwind_GetBSP, GCC_3.3.2);
#else
extern _Unwind_Ptr __libunwind_Unwind_GetDataRelBase
(struct _Unwind_Context *);
_Unwind_Ptr
_Unwind_GetDataRelBase (struct _Unwind_Context *context)
{
return __libunwind_Unwind_GetDataRelBase (context);
}
symver (_Unwind_GetDataRelBase, GCC_3.0);
extern _Unwind_Ptr __libunwind_Unwind_GetTextRelBase
(struct _Unwind_Context *);
_Unwind_Ptr
_Unwind_GetTextRelBase (struct _Unwind_Context *context)
{
return __libunwind_Unwind_GetTextRelBase (context);
}
symver (_Unwind_GetTextRelBase, GCC_3.0);
#endif
extern _Unwind_Word __libunwind_Unwind_GetGR
(struct _Unwind_Context *, int );
_Unwind_Word
_Unwind_GetGR (struct _Unwind_Context *context, int index)
{
return __libunwind_Unwind_GetGR (context, index);
}
symver (_Unwind_GetGR, GCC_3.0);
extern _Unwind_Ptr __libunwind_Unwind_GetIP (struct _Unwind_Context *);
_Unwind_Ptr
_Unwind_GetIP (struct _Unwind_Context *context)
{
return __libunwind_Unwind_GetIP (context);
}
symver (_Unwind_GetIP, GCC_3.0);
extern void *__libunwind_Unwind_GetLanguageSpecificData
(struct _Unwind_Context *);
void *
_Unwind_GetLanguageSpecificData (struct _Unwind_Context *context)
{
return __libunwind_Unwind_GetLanguageSpecificData (context);
}
symver (_Unwind_GetLanguageSpecificData, GCC_3.0);
extern _Unwind_Ptr __libunwind_Unwind_GetRegionStart
(struct _Unwind_Context *);
_Unwind_Ptr
_Unwind_GetRegionStart (struct _Unwind_Context *context)
{
return __libunwind_Unwind_GetRegionStart (context);
}
symver (_Unwind_GetRegionStart, GCC_3.0);
extern _Unwind_Reason_Code __libunwind_Unwind_RaiseException
(struct _Unwind_Exception *);
_Unwind_Reason_Code
_Unwind_RaiseException(struct _Unwind_Exception *exc)
{
return __libunwind_Unwind_RaiseException (exc);
}
symver (_Unwind_RaiseException, GCC_3.0);
extern void __libunwind_Unwind_Resume (struct _Unwind_Exception *);
void
_Unwind_Resume (struct _Unwind_Exception *exc)
{
__libunwind_Unwind_Resume (exc);
}
symver (_Unwind_Resume, GCC_3.0);
extern _Unwind_Reason_Code __libunwind_Unwind_Resume_or_Rethrow
(struct _Unwind_Exception *);
_Unwind_Reason_Code
_Unwind_Resume_or_Rethrow (struct _Unwind_Exception *exc)
{
return __libunwind_Unwind_Resume_or_Rethrow (exc);
}
symver (_Unwind_Resume_or_Rethrow, GCC_3.3);
extern void __libunwind_Unwind_SetGR
(struct _Unwind_Context *, int, _Unwind_Word);
void
_Unwind_SetGR (struct _Unwind_Context *context, int index,
_Unwind_Word val)
{
__libunwind_Unwind_SetGR (context, index, val);
}
symver (_Unwind_SetGR, GCC_3.0);
extern void __libunwind_Unwind_SetIP
(struct _Unwind_Context *, _Unwind_Ptr);
void
_Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val)
{
return __libunwind_Unwind_SetIP (context, val);
}
symver (_Unwind_SetIP, GCC_3.0);
#endif

35
gcc/unwind-compat.h Normal file
View File

@ -0,0 +1,35 @@
/* Backward compatibility unwind routines.
Copyright (C) 2004
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combined
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#define symver(name, version) \
__asm__ (".symver " #name"," #name "@" #version)
#define alias(name) \
__typeof(name) __libunwind##name __attribute__ ((alias (#name)))

46
gcc/unwind-dw2-fde-compat.c Normal file
View File

@ -0,0 +1,46 @@
/* Backward compatibility unwind routines.
Copyright (C) 2004
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file. (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combined
executable.)
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#if defined (USE_GAS_SYMVER) && defined (USE_LIBUNWIND_EXCEPTIONS)
#include "unwind.h"
#include "unwind-dw2-fde.h"
#include "unwind-compat.h"
extern const fde * __libunwind__Unwind_Find_FDE
(void *, struct dwarf_eh_bases *);
const fde *
_Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases)
{
__libunwind__Unwind_Find_FDE (pc, bases);
}
symver (_Unwind_Find_FDE, GCC_3.0);
#endif

5
gcc/unwind-dw2-fde-glibc.c
View File

@ -46,6 +46,7 @@
#define NO_BASE_OF_ENCODED_VALUE
#include "unwind-pe.h"
#include "unwind-dw2-fde.h"
#include "unwind-compat.h"
#include "gthr.h"
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
@ -306,3 +307,7 @@ _Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases)
#define _Unwind_Find_FDE _Unwind_Find_FDE
#include "unwind-dw2-fde.c"
#endif
#if defined (USE_GAS_SYMVER) && defined (SHARED) && defined (USE_LIBUNWIND_EXCEPTIONS)
alias (_Unwind_Find_FDE);
#endif

20
gcc/unwind-dw2.c
View File

@ -1317,4 +1317,24 @@ uw_identify_context (struct _Unwind_Context *context)
#include "unwind.inc"
#if defined (USE_GAS_SYMVER) && defined (SHARED) && defined (USE_LIBUNWIND_EXCEPTIONS)
alias (_Unwind_Backtrace);
alias (_Unwind_DeleteException);
alias (_Unwind_FindEnclosingFunction);
alias (_Unwind_FindTableEntry);
alias (_Unwind_ForcedUnwind);
alias (_Unwind_GetDataRelBase);
alias (_Unwind_GetTextRelBase);
alias (_Unwind_GetCFA);
alias (_Unwind_GetGR);
alias (_Unwind_GetIP);
alias (_Unwind_GetLanguageSpecificData);
alias (_Unwind_GetRegionStart);
alias (_Unwind_RaiseException);
alias (_Unwind_Resume);
alias (_Unwind_Resume_or_Rethrow);
alias (_Unwind_SetGR);
alias (_Unwind_SetIP);
#endif
#endif /* !USING_SJLJ_EXCEPTIONS */