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authormarha <marha@users.sourceforge.net>2014-08-11 21:22:25 +0200
committermarha <marha@users.sourceforge.net>2014-08-11 21:22:25 +0200
commit8e27619ab489dece35cc4bec86950ee7729cd309 (patch)
treeab59dbc661e00c12ed4777cf9d0d37393c4163aa /libxcb/m4/xcb.m4
parentffc99ce2402fe5c9a6eb8fcf193e8e9472fd993b (diff)
parentfdbedba4d50e1b28b0249c83ba11c029f096e400 (diff)
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Merge remote-tracking branch 'origin/released'
Conflicts: libxcb/src/c_client.py mesalib/include/GL/glext.h mesalib/include/GL/glxext.h mesalib/src/glsl/.gitignore mesalib/src/mesa/drivers/dri/common/xmlconfig.h mesalib/src/mesa/main/.gitignore xorg-server/Xext/xvmain.c xorg-server/dix/dispatch.c xorg-server/hw/xfree86/common/compiler.h
Diffstat (limited to 'libxcb/m4/xcb.m4')
-rw-r--r--libxcb/m4/xcb.m423
1 files changed, 20 insertions, 3 deletions
diff --git a/libxcb/m4/xcb.m4 b/libxcb/m4/xcb.m4
index 32e852dd5..a43082a8e 100644
--- a/libxcb/m4/xcb.m4
+++ b/libxcb/m4/xcb.m4
@@ -38,15 +38,32 @@ dnl XCB_EXTENSION(name, default)
dnl set the X extension
dnl
AC_DEFUN([XCB_EXTENSION],
-[
+[dnl
pushdef([UP], translit([$1], [-a-z], [_A-Z]))dnl
pushdef([DOWN], translit([$1], [A-Z], [a-z]))dnl
+dnl
+m4_if([$2], [yes], [m4_define([xcb_defopt], [yes])],
+ [$2], [no], [m4_define([xcb_defopt], [no])],
+ m4_define([xcb_defopt], [auto]))dnl
AC_ARG_ENABLE(DOWN,
- [AS_HELP_STRING([--enable-[]DOWN], [Build XCB $1 Extension (default: $2)])],
+ [AS_HELP_STRING([--enable-[]DOWN],
+ [Build XCB $1 Extension (default: ]xcb_defopt[)])],
[BUILD_[]UP=$enableval],
- [BUILD_[]UP=$2])
+ [BUILD_[]UP=xcb_defopt])
+dnl
+m4_if(xcb_defopt, [auto], [
+# This extension has a default value of "auto" and depends on the value of $2
+if test "x$BUILD_[]UP" = "xauto" ; then
+ BUILD_[]UP=$2
+fi
+if test "x$BUILD_[]UP" = "xyes" ; then
+ if test "x$2" = "xno" ; then
+ AC_MSG_ERROR([Extension []UP requested, but dependencies are not met])
+ fi
+fi])
+m4_undefine([xcb_defopt])dnl
AM_CONDITIONAL(BUILD_[]UP, [test "x$BUILD_[]UP" = "xyes"])
])