diff options
Diffstat (limited to 'dev-libs/log4cpp/files/1.0-asneeded.patch')
| -rw-r--r-- | dev-libs/log4cpp/files/1.0-asneeded.patch | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/dev-libs/log4cpp/files/1.0-asneeded.patch b/dev-libs/log4cpp/files/1.0-asneeded.patch new file mode 100644 index 000000000000..e9fb05f4ae99 --- /dev/null +++ b/dev-libs/log4cpp/files/1.0-asneeded.patch @@ -0,0 +1,122 @@ +http://bugs.gentoo.org/247067 + +--- m4/ACX_PTHREAD.m4 ++++ m4/ACX_PTHREAD.m4 +@@ -266,6 +266,117 @@ + else + PTHREAD_CC=$CC + fi ++ ++ # The next part tries to detect GCC inconsistency with -shared on some ++ # architectures and systems. The problem is that in certain ++ # configurations, when -shared is specified, GCC "forgets" to ++ # internally use various flags which are still necessary. ++ ++ # ++ # Prepare the flags ++ # ++ save_LDFLAGS="$LDFLAGS" ++ save_CFLAGS="$CFLAGS" ++ save_LIBS="$LIBS" ++ save_CC="$CC" ++ ++ # Try with the flags determined by the earlier checks. ++ # ++ # -Wl,-z,defs forces link-time symbol resolution, so that the ++ # linking checks with -shared actually have any value ++ # ++ # FIXME: -fPIC is required for -shared on many architectures, ++ # so we specify it here, but the right way would probably be to ++ # properly detect whether it is actually required. ++ CFLAGS="-shared -fPIC -Wl,-z,defs $CFLAGS $PTHREAD_CFLAGS" ++ LIBS="$PTHREAD_LIBS $LIBS" ++ CC="$PTHREAD_CC" ++ ++ # In order not to create several levels of indentation, we test ++ # the value of "$done" until we find the cure or run out of ideas. ++ done="no" ++ ++ # First, make sure the CFLAGS we added are actually accepted by our ++ # compiler. If not (and OS X's ld, for instance, does not accept -z), ++ # then we can't do this test. ++ if test x"$done" = xno; then ++ AC_MSG_CHECKING([whether to check for GCC pthread/shared inconsistencies]) ++ AC_TRY_LINK(,, , [done=yes]) ++ ++ if test "x$done" = xyes ; then ++ AC_MSG_RESULT([no]) ++ else ++ AC_MSG_RESULT([yes]) ++ fi ++ fi ++ ++ if test x"$done" = xyes; then ++ done="no" ++ AC_MSG_CHECKING([whether -pthread is sufficient with -shared]) ++ AC_TRY_LINK([#include <pthread.h>], ++ [pthread_t th; pthread_join(th, 0); ++ pthread_attr_init(0); pthread_cleanup_push(0, 0); ++ pthread_create(0,0,0,0); pthread_cleanup_pop(0); ], ++ [done=yes]) ++ ++ if test "x$done" = xyes; then ++ AC_MSG_RESULT([yes]) ++ else ++ AC_MSG_RESULT([no]) ++ fi ++ fi ++ ++ # ++ # Linux gcc on some architectures such as mips/mipsel forgets ++ # about -lpthread ++ # ++ if test x"$done" = xno; then ++ AC_MSG_CHECKING([whether -lpthread fixes that]) ++ LIBS="-lpthread $PTHREAD_LIBS $save_LIBS" ++ AC_TRY_LINK([#include <pthread.h>], ++ [pthread_t th; pthread_join(th, 0); ++ pthread_attr_init(0); pthread_cleanup_push(0, 0); ++ pthread_create(0,0,0,0); pthread_cleanup_pop(0); ], ++ [done=yes]) ++ ++ if test "x$done" = xyes; then ++ AC_MSG_RESULT([yes]) ++ PTHREAD_LIBS="-lpthread $PTHREAD_LIBS" ++ else ++ AC_MSG_RESULT([no]) ++ fi ++ fi ++ # ++ # FreeBSD 4.10 gcc forgets to use -lc_r instead of -lc ++ # ++ if test x"$done" = xno; then ++ AC_MSG_CHECKING([whether -lc_r fixes that]) ++ LIBS="-lc_r $PTHREAD_LIBS $save_LIBS" ++ AC_TRY_LINK([#include <pthread.h>], ++ [pthread_t th; pthread_join(th, 0); ++ pthread_attr_init(0); pthread_cleanup_push(0, 0); ++ pthread_create(0,0,0,0); pthread_cleanup_pop(0); ], ++ [done=yes]) ++ ++ if test "x$done" = xyes; then ++ AC_MSG_RESULT([yes]) ++ PTHREAD_LIBS="-lc_r $PTHREAD_LIBS" ++ else ++ AC_MSG_RESULT([no]) ++ fi ++ fi ++ if test x"$done" = xno; then ++ # OK, we have run out of ideas ++ AC_MSG_WARN([Impossible to determine how to use pthreads with shared libraries]) ++ ++ # so it's not safe to assume that we may use pthreads ++ acx_pthread_ok=no ++ fi ++ ++ CFLAGS="$save_CFLAGS" ++ LIBS="$save_LIBS" ++ CC="$save_CC" ++ + else + PTHREAD_CC="$CC" + fi |