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| author | Junio C Hamano <gitster@pobox.com> | 2008-09-07 23:45:56 -0700 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2008-09-07 23:45:56 -0700 |
| commit | cd50988ae03e086ca1a8f18584153d359699ea25 (patch) | |
| tree | adf7e5f2721d768e5a39146e1d8f6dae0f3dde91 /configure.ac | |
| parent | fdfb4cfadcfdfe4ebafd0545b5ebb661433ea66c (diff) | |
| parent | 798a94500230e4d2a1a18f005fe9592454fe451b (diff) | |
| download | git-cd50988ae03e086ca1a8f18584153d359699ea25.tar.gz git-cd50988ae03e086ca1a8f18584153d359699ea25.tar.xz | |
Merge branch 'jc/cc-ld-dynpath'
* jc/cc-ld-dynpath:
configure: auto detect dynamic library path switches
Makefile: Allow CC_LD_DYNPATH to be overriden
Conflicts:
Makefile
config.mak.in
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 7c2856efc..27bab00a4 100644 --- a/configure.ac +++ b/configure.ac @@ -103,6 +103,38 @@ GIT_PARSE_WITH(tcltk)) AC_MSG_NOTICE([CHECKS for programs]) # AC_PROG_CC([cc gcc]) +# which switch to pass runtime path to dynamic libraries to the linker +AC_CACHE_CHECK([if linker supports -R], ld_dashr, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -R /" + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_dashr=yes], [ld_dashr=no]) + LDFLAGS="${SAVE_LDFLAGS}" +]) +if test "$ld_dashr" = "yes"; then + AC_SUBST(CC_LD_DYNPATH, [-R]) +else + AC_CACHE_CHECK([if linker supports -Wl,-rpath,], ld_wl_rpath, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/" + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_wl_rpath=yes], [ld_wl_rpath=no]) + LDFLAGS="${SAVE_LD_FLAGS}" + ]) + if test "$ld_wl_rpath" = "yes"; then + AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,]) + else + AC_CACHE_CHECK([if linker supports -rpath], ld_rpath, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -rpath /" + AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [ld_rpath=yes], [ld_rpath=no]) + LDFLAGS="${SAVE_LD_FLAGS}" + ]) + if test "$ld_rpath" = "yes"; then + AC_SUBST(CC_LD_DYNPATH, [-rpath]) + else + AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) + fi + fi +fi #AC_PROG_INSTALL # needs install-sh or install.sh in sources AC_CHECK_TOOLS(AR, [gar ar], :) AC_CHECK_PROGS(TAR, [gtar tar]) |