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| author | Nick Lewycky <nicholas@mxc.ca> | 2009-03-05 08:20:21 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2009-03-05 08:20:21 +0000 |
| commit | 18f99072a61429cc6aec9bd3dc611867819d962b (patch) | |
| tree | 6dcfde0fba6f2f8201c13ee1a9307f963d3aee88 /autoconf/configure.ac | |
| parent | 323c58d862cca19e45d07996a5abacd0667f264d (diff) | |
| download | external_llvm-18f99072a61429cc6aec9bd3dc611867819d962b.zip external_llvm-18f99072a61429cc6aec9bd3dc611867819d962b.tar.gz external_llvm-18f99072a61429cc6aec9bd3dc611867819d962b.tar.bz2 | |
Autodetect the availability of -export-dynamic in the linker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66156 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'autoconf/configure.ac')
| -rw-r--r-- | autoconf/configure.ac | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac index e58dc66..44397b8 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -636,9 +636,12 @@ AC_PATH_PROGS(OCAMLDEP, [ocamldep]) AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) AC_PATH_PROGS(GAS, [gas as]) -dnl Determine if the linker supports the -R option. +dnl Determine whether the linker supports the -R option. AC_LINK_USE_R +dnl Determine whether the linker supports the -export-dynamic option. +AC_LINK_EXPORT_DYNAMIC + dnl Check for libtool and the library that has dlopen function (which must come dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with dnl libtool). @@ -1013,16 +1016,25 @@ if test "$binding_prereqs_failed" = 1 ; then AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) fi -dnl Determine if the compiler supports -fvisibility-inlines-hidden. +dnl Determine whether the compiler supports -fvisibility-inlines-hidden. AC_CXX_USE_VISIBILITY_INLINES_HIDDEN dnl Determine linker rpath flag -case $llvm_cv_os_type in - SunOS) RPATH="-Wl,-R" ;; - *) RPATH="-Wl,-rpath" ;; -esac +if test "$llvm_cv_link_use_r" = "yes" ; then + RPATH="-Wl,-R" +else + RPATH="-Wl,-rpath" +fi AC_SUBST(RPATH) +dnl Determine linker rdynamic flag +if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then + RDYNAMIC="-Wl,-export-dynamic" +else + RDYNAMIC="" +fi +AC_SUBST(RDYNAMIC) + dnl===-----------------------------------------------------------------------=== dnl=== dnl=== SECTION 10: Specify the output files and generate it |