From: Christophe CURIS <christophe.cu...@free.fr>
The original check was not compliant with autoconf's syntax, did not
have a very good behaviour for user and was not easy to make evolve.
The new macro:
- uses as much as possible autoconf macros for portability and code
consistency;
- checks also for header usability with the compiler;
- provides a consistent behaviour on yes/no/auto (if user explicitly
enables support, do not silently disable if not found; if library is found
but not the header, complain to let user install it or explicitly disable
support)
Signed-off-by: Christophe CURIS <christophe.cu...@free.fr>
---
configure.ac | 20 +++++++++-----------
m4/wm_xext_check.m4 | 39 +++++++++++++++++++++++++++++++++++++++
2 files changed, 48 insertions(+), 11 deletions(-)
create mode 100644 m4/wm_xext_check.m4
diff --git a/configure.ac b/configure.ac
index 6130b67..efa0535 100644
--- a/configure.ac
+++ b/configure.ac
@@ -158,6 +158,7 @@ AS_IF([test "x$debug" = "xyes"],
dnl Tracking on what is detected for final status
dnl =============================================
unsupported=""
+supported_xext=""
supported_gfx=""
@@ -490,17 +491,13 @@ AC_ARG_ENABLE(modelock,
AS_HELP_STRING([--enable-modelock], [XKB keyboard langua
dnl XShape support
dnl ==============
-shape=yes
-AC_ARG_ENABLE(shape, AS_HELP_STRING([--disable-shape], [disable shaped window
extension support]),
- shape=$enableval, shape=yes)
-added_xext=no
-
-if test "$shape" = yes; then
- AC_CHECK_LIB(Xext, XShapeSelectInput, [XLIBS="-lXext $XLIBS"
- added_xext=yes
- AC_DEFINE(USE_XSHAPE, 1, [define if you want support for shaped
windows (set by configure)])],
- shape=no, $XLFLAGS $XLIBS)
-fi
+AC_ARG_ENABLE([shape],
+ [AS_HELP_STRING([--disable-shape], [disable shaped window extension
support])],
+ [AS_CASE(["$enableval"],
+ [yes|no], [],
+ [AC_MSG_ERROR([bad value $enableval for --enable-shape]) ]) ],
+ [enable_shape=auto])
+WM_XEXT_CHECK_XSHAPE
dnl XRandR support
dnl ==============
@@ -854,6 +851,7 @@ echo "Installation path prefix : $prefix"
echo "Installation path for binaries : $_bindir"
echo "Installation path for libraries : $libdir"
echo "Installation path for WPrefs.app : $wprefs_base_dir" | sed -e
's|\${prefix}|'"$prefix|"
+echo "Supported X extensions: :$supported_xext"
echo "Supported graphic format libraries :$supported_gfx"
echo "Unsupported features :$unsupported"
echo "Antialiased text support in WINGs : $xft"
diff --git a/m4/wm_xext_check.m4 b/m4/wm_xext_check.m4
new file mode 100644
index 0000000..e535574
--- /dev/null
+++ b/m4/wm_xext_check.m4
@@ -0,0 +1,39 @@
+# wm_xext_check.m4 - Macros to check for X extensions support libraries
+#
+# Copyright (c) 2013 Christophe CURIS
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+# WM_XEXT_CHECK_XSHAPE
+# --------------------
+#
+# Check for the X Shaped Window extension
+# The check depends on variable 'enable_xshape' being either:
+# yes - detect, fail if not found
+# no - do not detect, disable support
+# auto - detect, disable if not found
+#
+# When found, append appropriate stuff in XLIBS, and append info to
+# the variable 'supported_xext'
+# When not found, append info to variable 'unsupported'
+AC_DEFUN_ONCE([WM_XEXT_CHECK_XSHAPE],
+[WM_LIB_CHECK([XShape], [-lXext], [XShapeSelectInput], [$XLIBS],
+ [wm_save_CFLAGS="$CFLAGS"
+ AS_IF([wm_fn_lib_try_compile "X11/extensions/shape.h" "Window win;"
"XShapeSelectInput(NULL, win, 0)" ""],
+ [],
+ [AC_MSG_ERROR([found $CACHEVAR but cannot compile using XShape
header])])
+ CFLAGS="$wm_save_CFLAGS"],
+ [supported_xext], [XLIBS], [enable_shape], [-])dnl
+]) dnl AC_DEFUN
--
1.8.4.rc3
--
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