71 lines
2.1 KiB
Diff
71 lines
2.1 KiB
Diff
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Index: configure.in
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===================================================================
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--- configure.in.orig 2009-09-25 20:34:39.000000000 +0200
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+++ configure.in 2009-10-13 00:29:22.000000000 +0200
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@@ -297,6 +297,44 @@ Linux)
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;;
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esac
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+dnl ************************************************************
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+dnl Enable hiding of internal symbols in library to reduce its size and
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+dnl speed dynamic linking of applications. This currently is only supported
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+dnl on gcc >= 4.0 and SunPro C.
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+dnl
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+AC_MSG_CHECKING([whether to enable hidden symbols in the library])
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+AC_ARG_ENABLE(hidden-symbols,
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+AC_HELP_STRING([--enable-hidden-symbols],[Hide internal symbols in library])
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+AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]),
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+[ case "$enableval" in
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+ no)
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+ AC_MSG_RESULT(no)
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+ ;;
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+ *)
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+ AC_MSG_CHECKING([whether $CC supports it])
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+ if test "$GCC" = yes ; then
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+ if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then
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+ AC_MSG_RESULT(yes)
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+ AC_DEFINE(M_EXPORT, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
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+ CFLAGS="$CFLAGS -fvisibility=hidden"
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+ else
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+ AC_MSG_RESULT(no)
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+ fi
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+
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+ else
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+ dnl Test for SunPro cc
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+ if $CC 2>&1 | grep flags >/dev/null && $CC -flags | grep xldscope= >/dev/null ; then
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+ AC_MSG_RESULT(yes)
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+ AC_DEFINE(M_EXPORT, [__global], [to make a symbol visible])
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+ CFLAGS="$CFLAGS -xldscope=hidden"
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+ else
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+ AC_MSG_RESULT(no)
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+ fi
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+ fi
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+ ;;
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+ esac ],
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+ AC_MSG_RESULT(no)
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+)
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT
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Index: monetra.h
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===================================================================
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--- monetra.h.orig 2009-02-12 17:37:49.000000000 +0100
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+++ monetra.h 2009-10-13 00:28:06.000000000 +0200
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@@ -55,10 +55,14 @@ OF THE POSSIBILITY OF SUCH DAMAGE.
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# else
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# define M_SPEC __cdecl
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# endif
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-#else /* !WIN32 */
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+#endif /* !WIN32 */
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+
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+#ifndef M_EXPORT
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# define M_EXPORT
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+#endif
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+#ifndef M_SPEC
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# define M_SPEC
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-#endif /* !WIN32 */
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+#endif
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#ifdef __cplusplus
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extern "C" {
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