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| author | mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-04-27 20:35:54 +0000 |
|---|---|---|
| committer | mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-04-27 20:35:54 +0000 |
| commit | b6bcc48fcdb890eb96a8404646af9502fe1398e8 (patch) | |
| tree | e35f58f5c5ef495d2de849689e0398b292c98c9c /gcc/configure.ac | |
| parent | 94340fb21d9400707e26883469d72d51bf51d34d (diff) | |
| download | gcc-b6bcc48fcdb890eb96a8404646af9502fe1398e8.tar.gz | |
* configure.ac: Check for ld --sysroot support.
* gcc.c: Document %R specifier for specs.
(SYSROOT_SPEC): New macro.
(sysroot_spec): New variable.
(static_specs): Add sysroot_spec.
(main): Pass the sysroot spec to the linker if appropriate.
* configure: Regenerated.
* config.in: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@98880 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index efa758c9464..23c914de443 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -3024,6 +3024,23 @@ EOF ;; esac +AC_CACHE_CHECK(linker --sysroot support, + gcc_cv_ld_sysroot, + [gcc_cv_ld_sysroot=no + 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 ; then + gcc_cv_ld_sysroot = yes + fi + elif test x$gcc_cv_ld != x; then + if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then + gcc_cv_ld_sysroot=yes + fi + fi]) +if test x"$gcc_cv_ld_sysroot" = xyes; then + AC_DEFINE(HAVE_LD_SYSROOT, 1, + [Define if your linker supports --sysroot.]) +fi + if test x$with_sysroot = x && test x$host = x$target \ && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include", |