[Hdrflow-svn] SF.net SVN: hdrflow: [93] lib/openlibraries

[<gl...@us...>]

Revision: 93
          http://hdrflow.svn.sourceforge.net/hdrflow/?rev=93&view=rev
Author:   glslang
Date:     2007-04-22 08:47:45 -0700 (Sun, 22 Apr 2007)

Log Message:
-----------
+build updates

Modified Paths:
--------------
    lib/openlibraries/configure.ac

Added Paths:
-----------
    lib/openlibraries/m4/fast_math.m4

Modified: lib/openlibraries/configure.ac
===================================================================
--- lib/openlibraries/configure.ac	2007-04-21 19:16:49 UTC (rev 92)
+++ lib/openlibraries/configure.ac	2007-04-22 15:47:45 UTC (rev 93)
@@ -274,6 +274,9 @@
 dnl Universal Binary Support (OS X only)
 AC_CHECK_UNIVERSAL_BINARY_SUPPORT( )
 
+dnl Fast Math support
+AC_CHECK_FAST_MATH( )
+
 SHARED_EXT="so"
 case $host in
 	*-apple-darwin*)

Added: lib/openlibraries/m4/fast_math.m4
===================================================================
--- lib/openlibraries/m4/fast_math.m4	                        (rev 0)
+++ lib/openlibraries/m4/fast_math.m4	2007-04-22 15:47:45 UTC (rev 93)
@@ -0,0 +1,24 @@
+
+#
+# Enable/Disable fast math support.
+#
+
+AC_DEFUN([AC_CHECK_FAST_MATH],[
+	AC_ARG_ENABLE(fastmath, AC_HELP_STRING([--enable-fastmath], [disable fast math support]),
+		[enablefastmath=$enableval],
+		[enablefastmath=yes])
+
+	AC_MSG_CHECKING(for fast math support)
+	if test x$enablefastmath = "xyes" ; then
+		AC_DEFINE(HAVE_FAST_MATH,1,[Define this to enable fast math support])
+		AC_MSG_RESULT(yes)
+	else
+		AC_MSG_RESULT(no)
+	fi
+
+	if test x$enablefastmath = "xyes"; then
+		ifelse([$1], , :, [$1])
+	else
+		ifelse([$2], , :, [$2])
+	fi
+])


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