The attached small configury patch extends visibility attributes usage
to darwin (osx) builds. Tested by cross-compiling on a linux host using
gcc-.4.0.2 and gcc-4.2.1 against 10.4 and 10.6 SDKs.
Regards.
--
O.S.
diff --git a/configure.ac b/configure.ac
index 6d0fa00..d3c302a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -395,7 +395,6 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wmissing-prototypes
-Waggregate-return -Wcast-align -Wnested-externs -Wshadow -Wundef
-Wmissing-declarations -Wunreachable-code " # -Wcast-qual -Wbad-function-cast
-Wwrite-strings -Winline -Wconversion
CXXFLAGS="$CXXFLAGS -Wall -Wextra -Wcast-align -Wshadow -Wwrite-strings
-Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder -Wsign-promo -Wundef
-Wunreachable-code " # -Wcast-qual -Wbad-function-cast -Wwrite-strings
-Woverloaded-virtual -Wmissing-declarations
-
XIPH_ADD_CFLAGS([-Wdeclaration-after-statement])
XIPH_ADD_CFLAGS([-D_FORTIFY_SOURCE=2])
@@ -409,6 +408,12 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
fi
+ if test "$GCC_MAJOR_VERSION" -ge 4 && test "$OBJ_FORMAT" = macho; then
+ CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR"
+ CFLAGS="$CFLAGS -fvisibility=hidden"
+ CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
+ fi
+
if test "x$GCC_MAJOR_VERSION$GCC_MINOR_VERSION" = "x42" ; then
XIPH_ADD_CFLAGS([-fgnu89-inline])
fi
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