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| author | ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-04-15 10:31:57 +0000 |
|---|---|---|
| committer | ro <ro@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-04-15 10:31:57 +0000 |
| commit | 8aaed91dfc5f8fcd17fd6b61de3a6d68e59b5e1e (patch) | |
| tree | c14f024bbdb6a514a3b90e6bfd980a6fc278ed5a /gcc/configure.ac | |
| parent | 98c0d6572c62b325c1e8635df3d6b22003b83619 (diff) | |
| download | gcc-8aaed91dfc5f8fcd17fd6b61de3a6d68e59b5e1e.tar.gz | |
Use -z ignore instead of --as-needed on Solaris
* configure.ac (gcc_cv_ld_as_needed): Set
gcc_cv_ld_as_needed_option, gcc_cv_no_as_needed_option.
Use -z ignore, -z record on *-*-solaris2*.
(HAVE_LD_AS_NEEDED): Update comment.
(LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION): Define.
* configure: Regenerate.
* config.in: Regenerate.
* gcc.c (init_gcc_specs) [USE_LD_AS_NEEDED]: Use
LD_AS_NEEDED_OPTION, LD_NO_AS_NEEDED_OPTION.
* config/sol2.h [HAVE_LD_AS_NEEDED] (USE_LD_AS_NEEDED): Define.
* doc/tm.texi.in (USE_LD_AS_NEEDED): Allow for --as-needed
equivalents. Fix markup.
* doc/tm.texi: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@197964 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 068c66ae9a3..1d5175b9f7e 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -4538,6 +4538,8 @@ AC_MSG_RESULT($gcc_cv_ld_eh_gc_sections_bug) AC_CACHE_CHECK(linker --as-needed support, gcc_cv_ld_as_needed, [gcc_cv_ld_as_needed=no +gcc_cv_ld_as_needed_option='--as-needed' +gcc_cv_ld_no_as_needed_option='--no-as-needed' if test $in_tree_ld = yes ; then if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \ && test $in_tree_ld_is_elf = yes; then @@ -4547,12 +4549,25 @@ elif test x$gcc_cv_ld != x; then # Check if linker supports --as-needed and --no-as-needed options if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then gcc_cv_ld_as_needed=yes + else + case "$target" in + # Solaris 2 ld always supports -z ignore/-z record. + *-*-solaris2*) + gcc_cv_ld_as_needed=yes + gcc_cv_ld_as_needed_option="-z ignore" + gcc_cv_ld_no_as_needed_option="-z record" + ;; + esac fi fi ]) if test x"$gcc_cv_ld_as_needed" = xyes; then AC_DEFINE(HAVE_LD_AS_NEEDED, 1, -[Define if your linker supports --as-needed and --no-as-needed options.]) +[Define if your linker supports --as-needed/--no-as-needed or equivalent options.]) + AC_DEFINE_UNQUOTED(LD_AS_NEEDED_OPTION, "$gcc_cv_ld_as_needed_option", +[Define to the linker option to ignore unused dependencies.]) + AC_DEFINE_UNQUOTED(LD_NO_AS_NEEDED_OPTION, "$gcc_cv_ld_no_as_needed_option", +[Define to the linker option to keep unused dependencies.]) fi case "$target:$tm_file" in |