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author | mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-15 17:03:22 +0000 |
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committer | mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-15 17:03:22 +0000 |
commit | 537cd94120ab6384d2b255f0e5dcdafceb7853c3 (patch) | |
tree | 1bbafdfb7e81c8d5ce2b22d7551232d4de285de5 /gcc/configure.ac | |
parent | 6611a274af01a28395dbc2774772b7af86e14316 (diff) | |
download | ppe42-gcc-537cd94120ab6384d2b255f0e5dcdafceb7853c3.tar.gz ppe42-gcc-537cd94120ab6384d2b255f0e5dcdafceb7853c3.zip |
* configure.ac: Check for COMDAT support. Robustify check for
SHF_MERGE support.
* configure: Regenerated.
* config.in: Likewise.
* langhooks-def.h (lhd_comdat_group): New function.
(LANG_HOOKS_COMDAT_GROUP): New macro.
(LANG_HOOKS_DECLS): Use it.
* langhooks.c (lhd_comdat_group): Define.
* langhooks.h (lang_hooks_for_decls): Add comdat_group.
* output.h (named_section_flags): Make it a macro.
(named_section_real): New function.
(default_no_named_section): Add decl parameter.
(default_elf_asm_named_section): Likewise.
(default_coff_asm_named_section): Likewise.
(default_pe_asm_named_section): Likewise.
* target.h (gcc_target): Adjust type of named_section.
* varasm.c (named_section_flags): Rename to named_section_real.
Add decl parameter.
(default_no_named_section): Add decl parameter.
(default_elf_asm_named_section): Use COMDAT, if available. Deal
with the case that ASM_COMMENT_START is "@".
(default_coff_asm_named_section): Add decl parameter.
(default_pe_asm_named_section): Likewise.
* config/alpha/alpha.c (vms_asm_named_section): Add decl
parameter.
(unicosmk_asm_named_section): Likewise.
* config/arm/arm.c (arm_elf_asm_named_section): Remove.
* config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
* config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
* config/cris/cris-protos.h (cris_target_asm_named_section):
Likewise.
* config/cris/cris.c (cris_target_asm_named_section):
Likewise.
* config/h8300/h8300.c (h8300_asm_named_section): Likewise.
* config/i386/i386-protos.h (i386_pe_asm_named_section):
Likewise.
* config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
* config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
* config/mcore/mcore.c (mcore_asm_named_section): Likewise.
* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
Likewise.
* config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
* cp-objcp-common.h (LANG_HOOKS_COMDAT_GROUP): Define.
* cp-tree.h (cxx_comdat_group): Declare.
* decl.c (cxx_comdat_group): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87557 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
-rw-r--r-- | gcc/configure.ac | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 94887f6bced..1ae739e7af2 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -2218,10 +2218,29 @@ fi gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, [elf,2,12,0], [--fatal-warnings], [.section .rodata.str, "aMS", @progbits, 1]) +if test $gcc_cv_as_shf_merge = no; then + gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, + [elf,2,12,0], [--fatal-warnings], + [.section .rodata.str, "aMS", %progbits, 1]) +fi AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE, [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`], [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.]) +gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group, + [elf,2,15,91], [--fatal-warnings], + [.section .text,"axG",@progbits,.foo,comdat]) +if test $gcc_cv_as_comdat_group = yes; then + gcc_cv_as_comdat_group_percent=no +else + gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent, + [elf,2,15,91], [--fatal-warnings], + [.section .text,"axG",%progbits,.foo,comdat]) +fi +AC_DEFINE_UNQUOTED(HAVE_GAS_COMDAT_GROUP, + [`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`], +[Define 0/1 if your assembler supports COMDAT group.]) + # Thread-local storage - the check is heavily parametrized. conftest_s= tls_first_major= |