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| author | Rob Austein <sra@hactrn.net> | 2011-05-19 02:50:54 +0000 |
|---|---|---|
| committer | Rob Austein <sra@hactrn.net> | 2011-05-19 02:50:54 +0000 |
| commit | 4fed8aad3862d0d64066fe9a0dbee96c1d03f098 (patch) | |
| tree | 5be7b0c6b8e88cdc0e1e229e8142a810fafbd44b /configure.ac | |
| parent | 46cf2621a1311730d9b4501a4219456942224175 (diff) | |
Turn on -Bsymbolic where supported, per suggestion from Andy Polyakov.
svn path=/configure; revision=3820
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index e88ef987..2158c102 100644 --- a/configure.ac +++ b/configure.ac @@ -74,9 +74,25 @@ case $host_os in freebsd*) LD_STATIC_FLAG='-static';; *) LD_STATIC_FLAG='';; esac - AC_SUBST(LD_STATIC_FLAG) +AC_MSG_CHECKING([whether compiler and linker support -Wl,-Bsymbolic]) +old_LDFLAGS="$LDFLAGS" +LDFLAGS="$LDFLAGS -Wl,-Bsymbolic" +AC_LINK_IFELSE([AC_LANG_SOURCE([[int main (int argc, char *argv[]) { return 0; }]])], + [linker_supports_Bsymbolic=yes], + [linker_supports_Bsymbolic=no]) +AC_MSG_RESULT([$linker_supports_Bsymbolic]) +LDFLAGS="$old_LDFLAGS" +unset old_LDFLAGS +if test $linker_supports_Bsymbolic = yes +then + POW_LDFLAGS='-Wl,-Bsymbolic' +else + POW_LDFLAGS='' +fi +AC_SUBST(POW_LDFLAGS) + AC_PATH_PROG([XSLTPROC], [xsltproc]) AC_PATH_PROG([AWK], [awk]) AC_PATH_PROG([SORT], [sort]) |