Title: [139130] trunk
- Revision
- 139130
- Author
- [email protected]
- Date
- 2013-01-08 16:30:42 -0800 (Tue, 08 Jan 2013)
Log Message
Add an Autoconf macro that checks whether a given feature is enabled
https://bugs.webkit.org/show_bug.cgi?id=106380
Reviewed by Martin Robinson.
Add the AC_CHECK_WEBKIT_FEATURE_ENABLED macro. It checks the generated
Source/WebCore/GNUmakefile.features.am file to determine whether the
given feature is enabled or disabled in the build that's being configured.
* Source/autotools/webkitfeature.m4: Added.
Modified Paths
Added Paths
Diff
Modified: trunk/ChangeLog (139129 => 139130)
--- trunk/ChangeLog 2013-01-09 00:29:29 UTC (rev 139129)
+++ trunk/ChangeLog 2013-01-09 00:30:42 UTC (rev 139130)
@@ -1,3 +1,16 @@
+2013-01-08 Zan Dobersek <[email protected]>
+
+ Add an Autoconf macro that checks whether a given feature is enabled
+ https://bugs.webkit.org/show_bug.cgi?id=106380
+
+ Reviewed by Martin Robinson.
+
+ Add the AC_CHECK_WEBKIT_FEATURE_ENABLED macro. It checks the generated
+ Source/WebCore/GNUmakefile.features.am file to determine whether the
+ given feature is enabled or disabled in the build that's being configured.
+
+ * Source/autotools/webkitfeature.m4: Added.
+
2013-01-08 Hajime Morrita <[email protected]>
[Shadow DOM] Distribution related code on ShadowRoot should be minimized.
Added: trunk/Source/autotools/webkitfeature.m4 (0 => 139130)
--- trunk/Source/autotools/webkitfeature.m4 (rev 0)
+++ trunk/Source/autotools/webkitfeature.m4 2013-01-09 00:30:42 UTC (rev 139130)
@@ -0,0 +1,25 @@
+dnl AC_CHECK_WEBKIT_FEATURE_ENABLED
+dnl Checks whether the given feature is enabled in the
+dnl build that is being configured.
+dnl
+dnl Usage:
+dnl AC_CHECK_WEBKIT_FEATURE_ENABLED([FEATURE], [ACTION_IF_ENABLED], [ACTION_IF_DISABLED])
+
+AC_DEFUN([AC_CHECK_WEBKIT_FEATURE_ENABLED], [
+ AC_PROG_AWK
+
+ dnl Grep the generated GNUmakefile.features.am
+ dnl to determine if the specified feature is enabled.
+ grep -qE "($1=1)" Source/WebCore/GNUmakefile.features.am
+ if test $? -eq 0; then
+ feature_enabled="true";
+ else
+ feature_enabled="false";
+ fi
+
+ dnl Execute ACTION_IF_ENABLED / ACTION_IF_DISABLED.
+ if test "$feature_enabled" = "true" ; then
+ m4_ifvaln([$2],[$2],[:])
+ m4_ifvaln([$3],[else $3])
+ fi
+]) dnl AC_CHECK_WEBKIT_FEATURE_ENABLED
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