* configure.ac: Determine Sun ld version numbers.
(comdat_group): Restrict GNU ld version checks to gld.
(comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
(enable_comdat): Support --enable-comdat.
* configure: Regenerate.
* doc/install.texi (Configuration): Document --enable-comdat.
From-SVN: r158172
2010-04-07 Doug Kwan <dougkwan@google.com>
* configure.ac: Recognize gold and do not use its version number
to test ld features.
* configure: Regenerate.
From-SVN: r158106
* configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
Disable cfi directives unless GCC and gas agree on using read-only
.eh_frame sections for 64-bit.
* configure: Regenerate.
From-SVN: r157151
gcc/
2010-02-20 David S. Miller <davem@davemloft.net>
* configure.ac: Test if linker and assembler properly support
GOTDATA_OP relocations.
* configure: Rebuild.
* config.in: Likewise.
* config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
(movsi_lo_sum_pic): Use %gdop_*() relocs if available.
(movsi_high_pic): Likewise.
(movdi_lo_sum_pic): Likewise.
(movdi_high_pic): Likewise.
(movsi_pic_gotdata_op): New pattern.
(movdi_pic_gotdata_op): Likewise.
* config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
From-SVN: r156933
gcc/
* configure.ac (HAVE_AS_REF): New C macro.
* configure: Regenerate.
* config.in: Likewise.
* collect2.c (main): Only postpone SCAN_DWEH to the second pass
if HAVE_AS_REF.
* config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
if HAVE_AS_REF.
From-SVN: r155961
gcc/ChangeLog:
2009-11-30 Dave Korn <dave.korn.cygwin@gmail.com>
* configure.ac (USE_CYGWIN_LIBSTDCXX_WRAPPERS): Define to reflect
status of AC_CHECK_FUNC for Cygwin DLL libstdc++ support wrappers.
* configure: Regenerate.
* config.in: Regenerate.
* config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Define list of --wrap
options for Cygwin DLL libstdc++ support wrappers.
(CXX_WRAP_SPEC_OPT): Define spec to use wrappers or not by default
according to defined value of USE_CYGWIN_LIBSTDCXX_WRAPPERS.
(CXX_WRAP_SPEC): Define entire wrapper spec in or out according to
whether USE_CYGWIN_LIBSTDCXX_WRAPPERS is even defined or not.
(LINK_SPEC): Include CXX_WRAP_SPEC.
* gcc/config/i386/winnt.c (wrapper_strcmp): New qsort helper function.
(i386_find_on_wrapper_list): Check if a function is found on the list
of libstdc++ wrapper options.
(i386_pe_file_end): If we are importing a wrapped function, also emit
an external declaration for the real version.
* config/i386/cygming.opt (muse-libstdc-wrappers): New option for
Cygwin targets. Update copyright year.
libstdc++-v3/ChangeLog:
2009-11-30 Dave Korn <dave.korn.cygwin@gmail.com>
* libstdc++-v3/acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Don't disable
on PE targets.
* libstdc++-v3/configure: Regenerate.
* libstdc++-v3/configure.host: Add libtool DLL options for Cygwin
and MinGW platforms.
* libstdc++-v3/include/bits/c++config (_GLIBCXX_VISIBILITY_ATTR): On
platforms that don't support visibility, allow them to declare a macro
_GLIBCXX_PSEUDO_VISIBILITY that is applied in place of visibility.
(_GLIBCXX_PSEUDO_VISIBILITY): Supply empty default if not declared by
CPU- or OS-specific headers.
* libstdc++-v3/config/os/newlib/os_defines.h
(_GLIBCXX_PSEUDO_VISIBILITY_default): New macro for dllimport.
(_GLIBCXX_PSEUDO_VISIBILITY_hidden): New empty macro.
(_GLIBCXX_PSEUDO_VISIBILITY): Evaluate to one of the above.
* libstdc++-v3/config/os/mingw32/os_defines.h
(_GLIBCXX_PSEUDO_VISIBILITY_default,
_GLIBCXX_PSEUDO_VISIBILITY_hidden,
_GLIBCXX_PSEUDO_VISIBILITY): Likewise.
From-SVN: r154853
gcc/
* configure.ac (gcc_cv_ld_mips_personality_relaxation): New
feature check.
(HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
* configure, config.in: Regenerate.
* dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
DW_EH_PE_absptr.
* config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
(ASM_PREFERRED_EH_DATA_FORMAT): Define. Use MIPS_EH_INDIRECT
for global data if the output could be used in a shared library.
* config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
to 0 if TARGET_WRITABLE_EH_FRAME.
From-SVN: r151896
* config/mips/mips.opt (mrelax-pic-calls): New option.
* config/mips/mips.c (mips_strip_unspec_address): Move it up in
the file.
(mips_unspec_call): Change "unspec_call" expander into this.
(mips_strip_unspec_call): New function.
(mips_got_load): Call mips_unspec_call instead of
gen_unspec_call<mode>.
(mips16_build_call_stub): Fix comment for fp_code. Adjust call to
MIPS_CALL.
(mips_cfg_in_reorg): New function.
(mips16_lay_out_constants): Use it to decide whether to call
CFG-aware insn splitting.
(r10k_insert_cache_barriers): Move CFG set-up code from here to
mips_reorg. Move DF set-up code from here ...
(mips_df_reorg): ... to here. Call r10k_insert_cache_barriers
from here.
(mips_reorg): Call mips_df_reorg instead of
r10k_insert_cache_barriers. Move CFG set-up code here from
r10k_insert_cache_barriers.
(mips_call_expr_from_insn): New function.
(mips_pic_call_symbol_from_set): Likewise.
(mips_find_pic_call_symbol): Likewise.
(mips_annotate_pic_call_expr): Likewise.
(mips_get_pic_call_symbol): Likewise.
(mips_annotate_pic_calls): Likewise.
(mips_override_options): Disable -mrelax-pic-calls unless PIC
calls are used.
(mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
* config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
* config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
directive.
* config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
(unspec_call<mode>): Remove it.
(sibcall_internal, sibcall_value_internal,
sibcall_value_multiple_internal, call_internal, call_split,
call_value_internal, call_value_split,
call_value_multiple_internal, call_value_multiple_split): Pass
SIZE_OPNO to MIPS_CALL.
(call_internal_direct, call_direct_split,
call_value_internal_direct, call_value_direct_split): Pass -1 as
SIZE_OPNO to MIPS_CALL.
* configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
* configure: Regenerate.
* doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
and -mno-relax-pic-calls.
(MIPS Options): Document -mrelax-pic-calls
and -mno-relax-pic-calls.
testsuite/
* gcc.target/mips/mips.exp: Add relax-pic-calls
under -mfoo/-mno-foo options.
(mips-dg-options): Make -mrelax-pic-calls imply -mno-plt, -mabicalls
and -mexplicit-relocs.
* gcc.target/mips/call-1.c: New test.
* gcc.target/mips/call-2.c: New test.
* gcc.target/mips/call-3.c: New test.
* gcc.target/mips/lazy-binding-1.c: Add MIPS-specific dg-options.
* gcc.dg/tree-ssa/loop-1.c: Likewise.
From-SVN: r151890
2009-08-28 Jan Beulich <jbeulich@novell.com>
* configure.ac: For in-tree ld, do a plain version check to
determine whether comdat groups are supported.
* configure: Regenerate.
From-SVN: r151162
* config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
type if available.
* configure.ac: Test for it.
* configure, config.in: Regenerate.
* doc/install.texi: Document --enable-gnu-unique-object.
From-SVN: r150882
./: * configure.ac: Add --enable-build-with-cxx. When set, add c++ to
boot_languages. Only bootstrap target libraries listed in
target_libs for some boot language. Add --with-stage1-ldflags,
--with-stage1-libs, --with-boot-ldflags, --with-boot-libs. Remove
with_host_libstdcxx from ppllibs. Only add -fkeep-inline-functions
if not building with C++.
* Makefile.def: For target_module libstdc++-v3, set bootstrap=true.
* Makefile.tpl (STAGE1_LDFLAGS, STAGE1_LIBS): New variables.
(POSTSTAGE1_LDFLAGS, POSTSTAGE1_LIBS): New variables.
(HOST_EXPORTS): Add STAGE1_LDFLAGS to LDFLAGS. Export HOST_LIBS.
(POSTSTAGE1_HOST_EXPORTS): Set CXX and CXX_FOR_BUILD. Add
POSTSTAGE1_LDFLAGS to LDFLAGS. Export HOST_LIBS.
(POSTSTAGE1_FLAGS_TO_PASS): Likewise.
* configure, Makefile.in: Rebuild.
gcc/:
* configure.ac: Invoke AC_PROG_CXX. Separate C specific warnings
from loose_warn into c_loose_warn and from strict_warn into
c_strict_warn. Set and substitute warn_cxxflags. Check for
--enable-build-with-cxx. Set and substitute
ENABLE_BUILD_WITH_CXX. Set and substitute HOST_LIBS.
* Makefile.in (CXXFLAGS): New variable.
(C_LOOSE_WARN, C_STRICT_WARN): New variables.
(GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN). Add $(C_STRICT_WARN) if
the default is the same as $(STRICT_WARN).
(GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
(CXX): New variable.
(COMPILER): New value if ENABLE_BUILD_WITH_CXX.
(COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
(ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
(HOST_LIBS): New variable.
(GCC_CFLAGS): Add $(C_LOOSE_WARN).
(ALL_CXXFLAGS): New variable.
(LIBS, BACKENDLIBS): Add $(HOST_LIBS).
* doc/install.texi (Configuration): Document
--enable-build-with-cxx, --with-stage1-ldflags,
--with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
* configure: Rebuild.
From-SVN: r148889
gcc/ChangeLog:
2009-05-28 Dave Korn <dave.korn.cygwin@gmail.com>
PR target/37216
* configure.ac (HAVE_GAS_ALIGNED_COMM): Add autoconf test and
macro definition for support of three-operand format aligned
.comm directive in assembler on cygwin/pe/mingw target OS.
* configure: Regenerate.
* config.in: Regenerate.
* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Use
aligned form of .comm directive if -mpe-aligned-commons is in effect.
* config/i386/cygming.opt (-mpe-aligned-commons): Add new option.
* doc/invoke.texi (-mpe-aligned-commons): Document new target option.
* doc/tm.texi (ASM_OUTPUT_COMMON): Document zero size commons.
gcc/testsuite/ChangeLog:
2009-05-28 Dave Korn <dave.korn.cygwin@gmail.com>
Uros Bizjak <ubizjak@gmail.com>
Danny Smith <dansmister@gmail.com>
PR target/37216
* lib/target-supports.exp (check_effective_target_pe_aligned_commons):
New function.
* gcc.target/i386/pr37216.c: New test source file.
* gcc.dg/compat/struct-layout-1_generate.c (dg_options[]): No longer
use -fno-common for testing Cygwin and MinGW targets.
Co-Authored-By: Danny Smith <dansmister@gmail.com>
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r147950
* configure.ac (HAVE_LD_BUILDID): New check for ld --build-id
support.
(ENABLE_LD_BUILDID): New configuration option.
* gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
(LINK_BUILDID_SPEC): New macro.
(init_spec): If defined, prepend it between LINK_EH_SPEC and
link_spec.
* doc/install.texi: Document --enable-linker-build-id option.
* configure: Rebuild.
* config.in: Rebuild.
Co-Authored-By: Roland McGrath <roland@redhat.com>
From-SVN: r147029