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| author | aph <aph@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-21 16:34:01 +0000 |
|---|---|---|
| committer | aph <aph@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-21 16:34:01 +0000 |
| commit | 438fa195386e30cec39e88d19ec4c05411ad0e94 (patch) | |
| tree | 97c913df003cc2af3990c16ba1837ecd35fbd001 /libjava/configure.ac | |
| parent | 509414a5becd65fd2602f480f93167f4a58840ed (diff) | |
| download | gcc-438fa195386e30cec39e88d19ec4c05411ad0e94.tar.gz | |
2010-04-19 Andrew Haley <aph@redhat.com>
PR libgcj/40860
* configure.ac: Handle --no-merge-exidx-entries.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158611 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/configure.ac')
| -rw-r--r-- | libjava/configure.ac | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libjava/configure.ac b/libjava/configure.ac index 255fb64595e..7f4befa830b 100644 --- a/libjava/configure.ac +++ b/libjava/configure.ac @@ -927,6 +927,21 @@ arm*linux*eabi) extra_ldflags_libjava=-liconv ;; esac + +# Check for --no-merge-exidx-entries, an ARM-specific linker option. +AC_CACHE_CHECK([for --no-merge-exidx-entries], [libgcj_cv_exidx], + [saved_ldflags="$LDFLAGS" + LDFLAGS="${LDFLAGS} -Wl,--no-merge-exidx-entries" + AC_LINK_IFELSE([int main(void){ return 0;} ], + [eval "libgcj_cv_exidx=yes"], + [eval "libgcj_cv_exidx=no"]) + LDFLAGS="${saved_ldflags}"] +) +if test "${libgcj_cv_exidx}" = "yes"; then + SYSTEMSPEC="${SYSTEMSPEC} --no-merge-exidx-entries" + extra_ldflags="${extra_ldflags} -Wl,--no-merge-exidx-entries" +fi + AC_SUBST(extra_ldflags_libjava) AC_SUBST(extra_ldflags) AC_SUBST(LIBSTDCXXSPEC) |