X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=gst-plugins-base-subtitles0.10%2Fcommon%2Fm4%2Fas-gcc-inline-assembly.m4;fp=gst-plugins-base-subtitles0.10%2Fcommon%2Fm4%2Fas-gcc-inline-assembly.m4;h=af32104a77593dec3d98e56d955b5b1b13531493;hb=57ba96e291a055f69dbfd4ae9f1ae2390e36986e;hp=0000000000000000000000000000000000000000;hpb=be2c98fb83895d10ac44af7b9a9c3e00ca54bf49;p=mafwsubrenderer

diff --git a/gst-plugins-base-subtitles0.10/common/m4/as-gcc-inline-assembly.m4 b/gst-plugins-base-subtitles0.10/common/m4/as-gcc-inline-assembly.m4
new file mode 100644
index 0000000..af32104
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/common/m4/as-gcc-inline-assembly.m4
@@ -0,0 +1,52 @@
+dnl as-gcc-inline-assembly.m4 0.1.0
+
+dnl autostars m4 macro for detection of gcc inline assembly
+
+dnl David Schleef <ds@schleef.org>
+
+dnl $Id$
+
+dnl AS_COMPILER_FLAG(ACTION-IF-ACCEPTED, [ACTION-IF-NOT-ACCEPTED])
+dnl Tries to compile with the given CFLAGS.
+dnl Runs ACTION-IF-ACCEPTED if the compiler can compile with the flags,
+dnl and ACTION-IF-NOT-ACCEPTED otherwise.
+
+AC_DEFUN([AS_GCC_INLINE_ASSEMBLY],
+[
+  AC_MSG_CHECKING([if compiler supports gcc-style inline assembly])
+
+  AC_TRY_COMPILE([], [
+#ifdef __GNUC_MINOR__
+#if (__GNUC__ * 1000 + __GNUC_MINOR__) < 3004
+#error GCC before 3.4 has critical bugs compiling inline assembly
+#endif
+#endif
+__asm__ (""::) ], [flag_ok=yes], [flag_ok=no])
+
+  if test "X$flag_ok" = Xyes ; then
+    $1
+    true
+  else
+    $2
+    true
+  fi
+  AC_MSG_RESULT([$flag_ok])
+])
+
+
+AC_DEFUN([AS_GCC_ASM_POWERPC_FPU],
+[
+  AC_MSG_CHECKING([if compiler supports FPU instructions on PowerPC])
+
+  AC_TRY_COMPILE([], [__asm__ ("fadd 0,0,0"::) ], [flag_ok=yes], [flag_ok=no])
+
+  if test "X$flag_ok" = Xyes ; then
+    $1
+    true
+  else
+    $2
+    true
+  fi
+  AC_MSG_RESULT([$flag_ok])
+])
+