Add patch for groonga against configure.ac for -Wno-* CFLAGS and CXXFLAGS.

component/groonga/buildout.cfg

@@ -3,13 +3,36 @@
 # http://groonga.org/
 
 [buildout]
+extends =
+  ../autoconf/buildout.cfg
+  ../automake/buildout.cfg
+  ../libtool/buildout.cfg
 parts =
   groonga
 
+[groonga-1.2.8-configure-Wno-cflags-patch]
+recipe = hexagonit.recipe.download
+url = ${:_profile_base_location_}/${:filename}
+md5sum = b48ac46c7de0ed4c0e632e06118b8a58
+filename = groonga-1.2.8-configure-Wno-cflags.patch
+download-only = true
+
 [groonga]
 recipe = hexagonit.recipe.cmmi
 url = http://packages.groonga.org/source/groonga/groonga-1.2.8.tar.gz
 md5sum = a319b1f3a55cbf250ef5255f5c51ff46
+patch-options = -p0
+patches =
+  ${groonga-1.2.8-configure-Wno-cflags-patch:location}/${groonga-1.2.8-configure-Wno-cflags-patch:filename}
+environment =
+  PATH =${autoconf:location}/bin:${automake-1.11:location}/bin:${libtool:location}/bin:%(PATH)s
+configure-command =
+  aclocal -I ${libtool:location}/share/aclocal -I .
+  libtoolize -c -f
+  autoheader
+  automake -c -a -f
+  autoconf
+  ./configure
 configure-options =
   --disable-static
   --disable-glibtest

component/groonga/groonga-1.2.8-configure-Wno-cflags.patch

+--- configure.ac.orig	2011-12-06 12:54:26.812408976 +0900
++++ configure.ac	2011-12-06 13:17:39.060465045 +0900
+@@ -70,9 +70,10 @@
+           m4_pattern_allow(PKG_CONFIG_LIBDIR)])
+ 
+ AC_DEFUN([CHECK_CFLAG], [
++  cflag=$(echo "$1" | sed -e 's,^-Wno-,-W,')
+   AC_MSG_CHECKING([if gcc supports $1])
+   old_CFLAGS=$CFLAGS
+-  CFLAGS="$CFLAGS $1 -Werror"
++  CFLAGS="$CFLAGS $cflag -Werror"
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
+     [check_cflag=yes],
+     [check_cflag=no])
+@@ -84,9 +85,10 @@
+ ])
+ 
+ AC_DEFUN([CHECK_CXXFLAG], [
++  cxxflag=$(echo "$1" | sed -e 's,^-Wno-,-W,')
+   AC_MSG_CHECKING([if g++ supports $1])
+   old_CXXFLAGS=$CXXFLAGS
+-  CXXFLAGS="$CXXFLAGS $1 -Werror"
++  CXXFLAGS="$CXXFLAGS $cxxflag -Werror"
+   AC_LANG_PUSH([C++])
+   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
+     [check_cxxflag=yes],