re PR bootstrap/31020 (cannot write in </test/gnu/gcc/objdir/prev-gcc/../gcc/./include>)

fixincludes:
	* mkheaders.in: Fix headers for each multilib required.

gcc:
	PR bootstrap/31020
	* configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
	Define using $${sysroot_headers_suffix}.
	* configure: Regenerate.
	* cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
	multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
	defined.
	* doc/invoke.texi (-print-sysroot-headers-suffix): Document.
	* gcc.c (print_sysroot_headers_suffix): New.
	(option_map): Include --print-sysroot-headers-suffix.
	(display_help): Mention -print-sysroot-headers-suffix.
	(process_command): Handle -print-sysroot-headers-suffix.
	(do_spec_1): Append multilib directory to include-fixed path if
	sysroot suffixes in use.
	(main): Handle -print-sysroot-headers-suffix.
	* Makefile.in (start.encap): Don't depend on xlimits.h
	(xlimits.h): Remove.
	(stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
	limits.h for each multilib in fixinc_list.
	(fixinc_list, s-fixinc_list): New.
	(stmp-fixinc): Depend on fixinc_list.  If not copying headers,
	generate them for each multilib in fixinc_list.
	(stmp-fixproto): Use include-fixed.  Run fixproto for each
	multilib in fixinc_list.
	(mostlyclean): Don't remove xlimits.h.
	(clean): Remove include-fixed.
	(real-install-headers-tar, real-install-headers-cpio,
	real-install-headers-cp): Don't copy include, only include-fixed.
	(install-mkheaders): Depend on fixinc_list.  Don't depend on
	xlimits.h.  Save limits.h files for each multilib in fixinc_list.
	Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
	SYSTEM_HEADER_DIR setting in mkheaders.conf.

From-SVN: r122620
This commit is contained in:
Joseph Myers 2007-03-06 15:50:28 +00:00 committed by Joseph Myers
parent 4e669430fe
commit 14da607343
9 changed files with 205 additions and 83 deletions

View File

@ -1,3 +1,7 @@
2007-03-06 Joseph Myers <joseph@codesourcery.com>
* mkheaders.in: Fix headers for each multilib required.
2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
* Makefile.in: Add dummy install-pdf target.

View File

@ -78,29 +78,33 @@ libexecsubdir=${libexecdir}/gcc/${target_noncanonical}/${version}
itoolsdir=${libexecsubdir}/install-tools
itoolsdatadir=${libsubdir}/install-tools
incdir=${libsubdir}/include-fixed
. ${itoolsdatadir}/mkheaders.conf
mkinstalldirs="@SHELL@ ${itoolsdir}/mkinstalldirs"
cd ${itoolsdir}
rm -rf ${incdir}/*
if [ x${STMP_FIXINC} != x ] ; then
for ml in `cat ${itoolsdatadir}/fixinc_list`; do
sysroot_headers_suffix=`echo ${ml} | sed -e 's/;.*$//'`
multi_dir=`echo ${ml} | sed -e 's/^[^;]*;//'`
subincdir=${incdir}${multi_dir}
. ${itoolsdatadir}/mkheaders.conf
if [ x${STMP_FIXINC} != x ] ; then
TARGET_MACHINE="${target}" target_canonical="${target}" \
MACRO_LIST="${itoolsdatadir}/macro_list" \
@SHELL@ ./fixinc.sh ${incdir} \
@SHELL@ ./fixinc.sh ${subincdir} \
${isysroot}${SYSTEM_HEADER_DIR} ${OTHER_FIXINCLUDES_DIRS}
rm -f ${incdir}/syslimits.h
if [ -f ${incdir}/limits.h ]; then
mv ${incdir}/limits.h ${incdir}/syslimits.h
rm -f ${subincdir}/syslimits.h
if [ -f ${subincdir}/limits.h ]; then
mv ${subincdir}/limits.h ${subincdir}/syslimits.h
else
cp ${itoolsdatadir}/gsyslimits.h ${incdir}/syslimits.h
cp ${itoolsdatadir}/gsyslimits.h ${subincdir}/syslimits.h
fi
fi
fi
cp ${itoolsdatadir}/include/* ${incdir}
cp ${itoolsdatadir}/include${multi_dir}/limits.h ${subincdir}
if [ x${STMP_FIXPROTO} != x ] ; then
mkinstalldirs="@SHELL@ ${itoolsdir}/mkinstalldirs"
export FIXPROTO_DEFINES mkinstalldirs
@SHELL@ fixproto ${incdir} ${incdir} ${isysroot}${SYSTEM_HEADER_DIR} || exit 1
fi
if [ x${STMP_FIXPROTO} != x ] ; then
export FIXPROTO_DEFINES mkinstalldirs
@SHELL@ fixproto ${subincdir} ${subincdir} ${isysroot}${SYSTEM_HEADER_DIR} || exit 1
fi
done

View File

@ -1,3 +1,38 @@
2007-03-06 Joseph Myers <joseph@codesourcery.com>
PR bootstrap/31020
* configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
Define using $${sysroot_headers_suffix}.
* configure: Regenerate.
* cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
defined.
* doc/invoke.texi (-print-sysroot-headers-suffix): Document.
* gcc.c (print_sysroot_headers_suffix): New.
(option_map): Include --print-sysroot-headers-suffix.
(display_help): Mention -print-sysroot-headers-suffix.
(process_command): Handle -print-sysroot-headers-suffix.
(do_spec_1): Append multilib directory to include-fixed path if
sysroot suffixes in use.
(main): Handle -print-sysroot-headers-suffix.
* Makefile.in (start.encap): Don't depend on xlimits.h
(xlimits.h): Remove.
(stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
limits.h for each multilib in fixinc_list.
(fixinc_list, s-fixinc_list): New.
(stmp-fixinc): Depend on fixinc_list. If not copying headers,
generate them for each multilib in fixinc_list.
(stmp-fixproto): Use include-fixed. Run fixproto for each
multilib in fixinc_list.
(mostlyclean): Don't remove xlimits.h.
(clean): Remove include-fixed.
(real-install-headers-tar, real-install-headers-cpio,
real-install-headers-cp): Don't copy include, only include-fixed.
(install-mkheaders): Depend on fixinc_list. Don't depend on
xlimits.h. Save limits.h files for each multilib in fixinc_list.
Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
SYSTEM_HEADER_DIR setting in mkheaders.conf.
2007-03-06 Jan Hubicka <jh@suse.cz>
* regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load

View File

@ -1418,7 +1418,7 @@ all.cross: native gcc-cross$(exeext) cpp$(exeext) specs \
libgcc-support lang.all.cross doc @GENINSRC@ srcextra
# This is what must be made before installing GCC and converting libraries.
start.encap: native xgcc$(exeext) cpp$(exeext) specs \
libgcc-support xlimits.h lang.start.encap @GENINSRC@ srcextra
libgcc-support lang.start.encap @GENINSRC@ srcextra
# These can't be made until after GCC can run.
rest.encap: $(STMP_FIXPROTO) lang.rest.encap
# This is what is made with the host's compiler
@ -1542,14 +1542,6 @@ cc1$(exeext): $(C_OBJS) cc1-checksum.o $(BACKEND) $(LIBDEPS)
$(CC) $(ALL_CFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) cc1-checksum.o \
$(BACKEND) $(LIBS)
# Build the version of limits.h that we will install.
xlimits.h: glimits.h limitx.h limity.h
if $(LIMITS_H_TEST) ; then \
cat $(srcdir)/limitx.h $(srcdir)/glimits.h $(srcdir)/limity.h > tmp-xlimits.h; \
else \
cat $(srcdir)/glimits.h > tmp-xlimits.h; \
fi
mv tmp-xlimits.h xlimits.h
#
# Build libgcc.a.
@ -3325,7 +3317,7 @@ gcov-dump$(exeext): $(GCOV_DUMP_OBJS) $(LIBDEPS)
# be rebuilt.
# Build the include directories.
stmp-int-hdrs: $(STMP_FIXINC) $(USER_H) xlimits.h $(UNWIND_H)
stmp-int-hdrs: $(STMP_FIXINC) $(USER_H) $(UNWIND_H)
# Copy in the headers provided with gcc.
# The sed command gets just the last file name component;
# this is necessary because VPATH could add a dirname.
@ -3342,11 +3334,23 @@ stmp-int-hdrs: $(STMP_FIXINC) $(USER_H) xlimits.h $(UNWIND_H)
chmod a+r include/$$realfile; \
fi; \
done
rm -f include-fixed/limits.h
cp xlimits.h include-fixed/limits.h
chmod a+r include-fixed/limits.h
rm -f include/unwind.h
cp $(UNWIND_H) include/unwind.h
set -e; for ml in `cat fixinc_list`; do \
sysroot_headers_suffix=`echo $${ml} | sed -e 's/;.*$$//'`; \
multi_dir=`echo $${ml} | sed -e 's/^[^;]*;//'`; \
fix_dir=include-fixed$${multi_dir}; \
if $(LIMITS_H_TEST) ; then \
cat $(srcdir)/limitx.h $(srcdir)/glimits.h $(srcdir)/limity.h > tmp-xlimits.h; \
else \
cat $(srcdir)/glimits.h > tmp-xlimits.h; \
fi; \
$(mkinstalldirs) $${fix_dir}; \
chmod a+rx $${fix_dir} || true; \
rm -f $${fix_dir}/limits.h; \
mv tmp-xlimits.h $${fix_dir}/limits.h; \
chmod a+r $${fix_dir}/limits.h; \
done
# Install the README
rm -f include-fixed/README
cp $(srcdir)/../fixincludes/README-fixinc include-fixed/README
@ -3366,6 +3370,28 @@ s-macro_list : $(GCC_PASSES)
$(SHELL) $(srcdir)/../move-if-change tmp-macro_list macro_list
$(STAMP) s-macro_list
fixinc_list: s-fixinc_list; @true
s-fixinc_list : $(GCC_PASSES)
# Build up a list of multilib directories and corresponding sysroot
# suffixes, in form sysroot;multilib.
if $(GCC_FOR_TARGET) -print-sysroot-headers-suffix > /dev/null 2>&1; then \
set -e; for ml in `$(GCC_FOR_TARGET) -print-multi-lib`; do \
multi_dir=`echo $${ml} | sed -e 's/;.*$$//'`; \
flags=`echo $${ml} | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`; \
sfx=`$(GCC_FOR_TARGET) $${flags} -print-sysroot-headers-suffix`; \
if [ "$${multi_dir}" = "." ]; \
then multi_dir=""; \
else \
multi_dir=/$${multi_dir}; \
fi; \
echo "$${sfx};$${multi_dir}"; \
done; \
else \
echo ";"; \
fi > tmp-fixinc_list
$(SHELL) $(srcdir)/../move-if-change tmp-fixinc_list fixinc_list
$(STAMP) s-fixinc_list
# The line below is supposed to avoid accidentally matching the
# built-in suffix rule `.o:' to build fixincl out of fixincl.o. You'd
# expect fixincl to be newer than fixincl.o, such that this situation
@ -3383,16 +3409,9 @@ s-macro_list : $(GCC_PASSES)
# Build fixed copies of system files.
# Abort if no system headers available, unless building a crosscompiler.
# FIXME: abort unless building --without-headers would be more accurate and less ugly
stmp-fixinc: gsyslimits.h macro_list \
stmp-fixinc: gsyslimits.h macro_list fixinc_list \
$(build_objdir)/fixincludes/fixincl \
$(build_objdir)/fixincludes/fixinc.sh
@if ! $(inhibit_libc) && test ! -d ${SYSTEM_HEADER_DIR}; then \
echo The directory that should contain system headers does not exist: >&2 ; \
echo " ${SYSTEM_HEADER_DIR}" >&2 ; \
tooldir_sysinc=`echo "${gcc_tooldir}/sys-include" | sed -e :a -e "s,[^/]*/\.\.\/,," -e ta`; \
if test "x${SYSTEM_HEADER_DIR}" = "x$${tooldir_sysinc}"; \
then sleep 1; else exit 1; fi; \
fi
rm -rf include-fixed; mkdir include-fixed
-chmod a+rx include-fixed
if [ -d ../prev-gcc ]; then \
@ -3400,20 +3419,34 @@ stmp-fixinc: gsyslimits.h macro_list \
$(MAKE) real-$(INSTALL_HEADERS_DIR) DESTDIR=`pwd`/../gcc/ \
libsubdir=. ; \
else \
(TARGET_MACHINE='$(target)'; srcdir=`cd $(srcdir); ${PWD_COMMAND}`; \
SHELL='$(SHELL)'; MACRO_LIST=`${PWD_COMMAND}`/macro_list ; \
export TARGET_MACHINE srcdir SHELL MACRO_LIST && \
cd $(build_objdir)/fixincludes && \
$(SHELL) ./fixinc.sh ../../gcc/include-fixed \
$(SYSTEM_HEADER_DIR) $(OTHER_FIXINCLUDES_DIRS) ); \
rm -f include-fixed/syslimits.h; \
if [ -f include-fixed/limits.h ]; then \
mv include-fixed/limits.h include-fixed/syslimits.h; \
else \
cp $(srcdir)/gsyslimits.h include-fixed/syslimits.h; \
fi; \
set -e; for ml in `cat fixinc_list`; do \
sysroot_headers_suffix=`echo $${ml} | sed -e 's/;.*$$//'`; \
multi_dir=`echo $${ml} | sed -e 's/^[^;]*;//'`; \
fix_dir=include-fixed$${multi_dir}; \
if ! $(inhibit_libc) && test ! -d ${SYSTEM_HEADER_DIR}; then \
echo The directory that should contain system headers does not exist: >&2 ; \
echo " ${SYSTEM_HEADER_DIR}" >&2 ; \
tooldir_sysinc=`echo "${gcc_tooldir}/sys-include" | sed -e :a -e "s,[^/]*/\.\.\/,," -e ta`; \
if test "x${SYSTEM_HEADER_DIR}" = "x$${tooldir_sysinc}"; \
then sleep 1; else exit 1; fi; \
fi; \
$(mkinstalldirs) $${fix_dir}; \
chmod a+rx $${fix_dir} || true; \
(TARGET_MACHINE='$(target)'; srcdir=`cd $(srcdir); ${PWD_COMMAND}`; \
SHELL='$(SHELL)'; MACRO_LIST=`${PWD_COMMAND}`/macro_list ; \
export TARGET_MACHINE srcdir SHELL MACRO_LIST && \
cd $(build_objdir)/fixincludes && \
$(SHELL) ./fixinc.sh ../../gcc/$${fix_dir} \
$(SYSTEM_HEADER_DIR) $(OTHER_FIXINCLUDES_DIRS) ); \
rm -f $${fix_dir}/syslimits.h; \
if [ -f $${fix_dir}/limits.h ]; then \
mv $${fix_dir}/limits.h $${fix_dir}/syslimits.h; \
else \
cp $(srcdir)/gsyslimits.h $${fix_dir}/syslimits.h; \
fi; \
chmod a+r $${fix_dir}/syslimits.h; \
done; \
fi
chmod a+r include-fixed/syslimits.h
$(STAMP) stmp-fixinc
# Files related to the fixproto script.
@ -3480,21 +3513,26 @@ fixhdr.ready: build/fix-header$(build_exeext)
# stmp-int-hdrs is to make sure fixincludes has already finished.
# The if statement is so that we don't run fixproto a second time
# if it has already been run on the files in `include'.
stmp-fixproto: fixhdr.ready fixproto stmp-int-hdrs
if [ -f include/fixed ] ; then true; \
else \
: This line works around a 'make' bug in BSDI 1.1.; \
FIXPROTO_DEFINES="$(FIXPROTO_DEFINES)"; export FIXPROTO_DEFINES; \
FIX_HEADER="build/fix-header$(build_exeext)"; export FIX_HEADER; \
mkinstalldirs="$(mkinstalldirs)"; \
export mkinstalldirs; \
if [ -d "$(SYSTEM_HEADER_DIR)" ]; then \
$(SHELL) ${srcdir}/fixproto include include $(SYSTEM_HEADER_DIR); \
if [ $$? -eq 0 ] ; then true ; else exit 1 ; fi ; \
else true; fi; \
$(STAMP) include/fixed; \
fi
# if it has already been run on the files in `include-fixed'.
stmp-fixproto: fixhdr.ready fixproto fixinc_list stmp-int-hdrs
set -e; for ml in `cat fixinc_list`; do \
sysroot_headers_suffix=`echo $${ml} | sed -e 's/;.*$$//'`; \
multi_dir=`echo $${ml} | sed -e 's/^[^;]*;//'`; \
fix_dir=include-fixed$${multi_dir}; \
if [ -f $${fix_dir}/fixed ] ; then true; \
else \
: This line works around a 'make' bug in BSDI 1.1.; \
FIXPROTO_DEFINES="$(FIXPROTO_DEFINES)"; export FIXPROTO_DEFINES; \
FIX_HEADER="build/fix-header$(build_exeext)"; export FIX_HEADER; \
mkinstalldirs="$(mkinstalldirs)"; \
export mkinstalldirs; \
if [ -d "$(SYSTEM_HEADER_DIR)" ]; then \
$(SHELL) ${srcdir}/fixproto $${fix_dir} $${fix_dir} $(SYSTEM_HEADER_DIR); \
if [ $$? -eq 0 ] ; then true ; else exit 1 ; fi ; \
else true; fi; \
$(STAMP) $${fix_dir}/fixed; \
fi; \
done
$(STAMP) stmp-fixproto
# We can't run fixproto (it's being built for a different host), but we still
@ -3696,8 +3734,6 @@ mostlyclean: lang.mostlyclean
# Delete build programs
-rm -f build/*
-rm -f mddeps.mk
# Delete the temp files made in the course of building libgcc.a.
-rm -f xlimits.h
# Delete other built files.
-rm -f xsys-protos.hT
-rm -f specs.h gencheck.h options.c options.h
@ -3738,8 +3774,8 @@ clean: mostlyclean lang.clean
-rm -f cs-*
-rm -f doc/*.dvi
-rm -f doc/*.pdf
# Delete the include directory.
-rm -rf include
# Delete the include directories.
-rm -rf include include-fixed
# Delete files used by the "multilib" facility (including libgcc subdirs).
-rm -f multilib.h tmpmultilib*
-if [ "x$(MULTILIB_DIRNAMES)" != x ] ; then \
@ -4017,36 +4053,37 @@ install-headers-cp: stmp-int-hdrs $(STMP_FIXPROTO) install-include-dir
# Targets without dependencies, for use in prev-gcc during bootstrap.
real-install-headers-tar:
(cd `${PWD_COMMAND}`/include ; \
tar -cf - .; exit 0) | (cd $(DESTDIR)$(libsubdir)/include; tar xpf - )
(cd `${PWD_COMMAND}`/include-fixed ; \
tar -cf - .; exit 0) | (cd $(DESTDIR)$(libsubdir)/include-fixed; tar xpf - )
real-install-headers-cpio:
cd `${PWD_COMMAND}`/include ; \
find . -print | cpio -pdum $(DESTDIR)$(libsubdir)/include
cd `${PWD_COMMAND}`/include-fixed ; \
find . -print | cpio -pdum $(DESTDIR)$(libsubdir)/include-fixed
real-install-headers-cp:
cp -p -r include $(DESTDIR)$(libsubdir)
cp -p -r include-fixed $(DESTDIR)$(libsubdir)
# Install supporting files for fixincludes to be run later.
install-mkheaders: stmp-int-hdrs $(STMP_FIXPROTO) install-itoolsdirs \
macro_list xlimits.h
$(INSTALL_DATA) xlimits.h $(DESTDIR)$(itoolsdatadir)/include/limits.h
macro_list fixinc_list
$(INSTALL_DATA) $(srcdir)/gsyslimits.h \
$(DESTDIR)$(itoolsdatadir)/gsyslimits.h
$(INSTALL_DATA) macro_list $(DESTDIR)$(itoolsdatadir)/macro_list
if [ x$(STMP_FIXPROTO) != x ] ; then \
$(INSTALL_SCRIPT) $(mkinstalldirs) \
$(INSTALL_DATA) fixinc_list $(DESTDIR)$(itoolsdatadir)/fixinc_list
set -e; for ml in `cat fixinc_list`; do \
multi_dir=`echo $${ml} | sed -e 's/^[^;]*;//'`; \
$(mkinstalldirs) $(DESTDIR)$(itoolsdatadir)/include$${multi_dir}; \
$(INSTALL_DATA) include-fixed$${multidir}/limits.h $(DESTDIR)$(itoolsdatadir)/include$${multi_dir}/limits.h; \
done
$(INSTALL_SCRIPT) $(srcdir)/../mkinstalldirs \
$(DESTDIR)$(itoolsdir)/mkinstalldirs ; \
if [ x$(STMP_FIXPROTO) != x ] ; then \
$(INSTALL_SCRIPT) $(srcdir)/fixproto $(DESTDIR)$(itoolsdir)/fixproto ; \
$(INSTALL_PROGRAM) build/fix-header$(build_exeext) \
$(DESTDIR)$(itoolsdir)/fix-header$(build_exeext) ; \
else :; fi
echo 'SYSTEM_HEADER_DIR="'"$(SYSTEM_HEADER_DIR)"'"' \
sysroot_headers_suffix='$${sysroot_headers_suffix}'; \
echo 'SYSTEM_HEADER_DIR="'"$(SYSTEM_HEADER_DIR)"'"' \
> $(DESTDIR)$(itoolsdatadir)/mkheaders.conf
echo 'OTHER_FIXINCLUDES_DIRS="$(OTHER_FIXINCLUDES_DIRS)"' \
>> $(DESTDIR)$(itoolsdatadir)/mkheaders.conf

4
gcc/configure vendored
View File

@ -7128,7 +7128,7 @@ if test "${with_sysroot+set}" = set; then
esac
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
if test "x$exec_prefix" = xNONE; then
if test "x$prefix" = xNONE; then
@ -13121,7 +13121,7 @@ ALL=all.internal
SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
if test "x$with_build_sysroot" != x; then
build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)'
build_system_header_dir=$with_build_sysroot'$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
else
# This value is used, even on a native system, because
# CROSS_SYSTEM_HEADER_DIR is just

View File

@ -754,7 +754,7 @@ AC_ARG_WITH(sysroot,
esac
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
if test "x$exec_prefix" = xNONE; then
if test "x$prefix" = xNONE; then
@ -1704,7 +1704,7 @@ ALL=all.internal AC_SUBST(ALL)
SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
if test "x$with_build_sysroot" != x; then
build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)'
build_system_header_dir=$with_build_sysroot'$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
else
# This value is used, even on a native system, because
# CROSS_SYSTEM_HEADER_DIR is just

View File

@ -71,7 +71,15 @@ const struct default_include cpp_include_defaults[]
#endif
#ifdef FIXED_INCLUDE_DIR
/* This is the dir for fixincludes. */
{ FIXED_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
{ FIXED_INCLUDE_DIR, "GCC", 0, 0, 0,
/* A multilib suffix needs adding if different multilibs use
different headers. */
#ifdef SYSROOT_HEADERS_SUFFIX_SPEC
1
#else
0
#endif
},
#endif
#ifdef CROSS_INCLUDE_DIR
/* One place the target system's headers might be. */

View File

@ -302,6 +302,7 @@ Objective-C and Objective-C++ Dialects}.
-p -pg -print-file-name=@var{library} -print-libgcc-file-name @gol
-print-multi-directory -print-multi-lib @gol
-print-prog-name=@var{program} -print-search-dirs -Q @gol
-print-sysroot-headers-suffix @gol
-save-temps -time}
@item Optimization Options
@ -4697,6 +4698,12 @@ variable @env{GCC_EXEC_PREFIX} to the directory where you installed them.
Don't forget the trailing @samp{/}.
@xref{Environment Variables}.
@item -print-sysroot-headers-suffix
@opindex print-sysroot-headers-suffix
Print the suffix added to the target sysroot when searching for
headers, or give an error if the compiler is not configured with such
a suffix---and don't do anything else.
@item -dumpmachine
@opindex dumpmachine
Print the compiler's target machine (for example,

View File

@ -168,6 +168,11 @@ static int print_multi_lib;
static int print_help_list;
/* Flag saying to print the sysroot suffix used for searching for
headers. */
static int print_sysroot_headers_suffix;
/* Flag indicating whether we should print the command and arguments */
static int verbose_flag;
@ -1125,6 +1130,7 @@ static const struct option_map option_map[] =
{"--print-multi-directory", "-print-multi-directory", 0},
{"--print-multi-os-directory", "-print-multi-os-directory", 0},
{"--print-prog-name", "-print-prog-name=", "aj"},
{"--print-sysroot-headers-suffix", "-print-sysroot-headers-suffix", 0},
{"--profile", "-p", 0},
{"--profile-blocks", "-a", 0},
{"--quiet", "-q", 0},
@ -3193,6 +3199,7 @@ display_help (void)
-print-multi-lib Display the mapping between command line options and\n\
multiple library search directories\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout);
fputs (_(" -print-sysroot-headers-suffix Display the sysroot suffix used to find headers\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout);
@ -3637,6 +3644,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
print_multi_directory = 1;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
print_multi_os_directory = 1;
else if (! strcmp (argv[i], "-print-sysroot-headers-suffix"))
print_sysroot_headers_suffix = 1;
else if (! strncmp (argv[i], "-Wa,", 4))
{
int prev, j;
@ -4066,6 +4075,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"
;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
;
else if (! strcmp (argv[i], "-print-sysroot-headers-suffix"))
;
else if (! strncmp (argv[i], "--sysroot=", strlen ("--sysroot=")))
{
target_system_root = argv[i] + strlen ("--sysroot=");
@ -4978,6 +4989,9 @@ do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part)
spec_path, &info);
info.append = "include-fixed";
if (*sysroot_hdrs_suffix_spec)
info.append = concat (info.append, dir_separator_str,
multilib_dir, NULL);
info.append_len = strlen (info.append);
for_each_path (&include_prefixes, false, info.append_len,
spec_path, &info);
@ -6394,6 +6408,19 @@ main (int argc, char **argv)
return (0);
}
if (print_sysroot_headers_suffix)
{
if (*sysroot_hdrs_suffix_spec)
{
printf("%s\n", target_sysroot_hdrs_suffix);
return (0);
}
else
/* The error status indicates that only one set of fixed
headers should be built. */
fatal ("not configured with sysroot headers suffix");
}
if (print_help_list)
{
display_help ();