[cairo] [PATCH] pixman: add --disable-optimize option

[Jeff Muizelaar]

See attached.

-Jeff
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Add option to disable optimization.

From: Jeff Muizelaar <jmuizelaar at mozilla.com>


---

 configure.ac |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 05e66ae..bab5cc1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -169,6 +169,26 @@ fi
 
 AM_CONDITIONAL(USE_MMX, test $have_mmx_intrinsics = yes)
 
+dnl ===========================================================================
+AC_ARG_ENABLE(optimize,
+  AS_HELP_STRING([--disable-optimize],
+                 [Disable optimization]), [
+if test "x$enableval" = "xno"; then
+  # A value of 'no' for $enableval means that they want to disable, which
+  # means 'yes' for $disable_optimize.
+  disable_optimize=yes
+fi
+], [disable_optimize=no])
+
+AM_CONDITIONAL(DISABLE_OPTIMIZE,
+               test "x$disable_optimize" = "xyes")
+if test "x$disable_optimize" = "xyes"; then
+  dnl Remove all optimization flags from CFLAGS
+  changequote({,})
+  CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O[0-9]*//g'`
+  changequote([,])
+fi
+
 dnl =======================================================
 
 dnl GCC 4.2 when compiling with -msse will generate SSE instructions