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| author | Guy Harris <guy@alum.mit.edu> | 2007-01-04 20:47:43 +0000 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2007-01-04 20:47:43 +0000 |
| commit | 405b7189a4587fdf8485eb971f6b738f4fc6cc7b (patch) | |
| tree | a8ca17cdf9f246ffb3769fa63006df977791889e /configure.in | |
| parent | b556ad58bb5d94c1191142f2134d488e66f6b17a (diff) | |
On Darwin, build shared libraries with -Wl,-single_module to the LDFLAGS
used with shared libraries, to fix some error that shows up in some
cases; some Apple documentation recommends it for most shared libraries.
svn path=/trunk/; revision=20312
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/configure.in b/configure.in index e13c94d6c9..cdcc48d1fc 100644 --- a/configure.in +++ b/configure.in @@ -236,6 +236,13 @@ AC_MSG_CHECKING(for platform-specific linker flags) case "$host_os" in darwin*) # + # Add -Wl,-single_module to the LDFLAGS used with shared + # libraries, to fix some error that show up in some cases; + # some Apple documentation recommends it for most shared + # libraries. + # + SHAREDLIB_LDFLAGS="-Wl,-single_module" + # # Add -Wl,-search_paths_first to make sure that if we search # directories A and B, in that order, for a given library, a # non-shared version in directory A, rather than a shared @@ -245,7 +252,7 @@ darwin*) # the system version in /usr/lib). # LDFLAGS="-Wl,-search_paths_first $LDFLAGS" - AC_MSG_RESULT(Apple linker - added -Wl,-search_paths_first) + AC_MSG_RESULT(Apple linker - added -Wl,-single_module and -Wl,-search_paths_first) ;; cygwin*) # @@ -259,6 +266,7 @@ cygwin*) AC_MSG_RESULT(none needed) ;; esac +AC_SUBST(SHAREDLIB_LDFLAGS) # # On OS X, if we find the headers for Core Foundation and Launch Services, |