directfb: Correct bashism

Fix builds of directfb on systems with dash as /bin/sh

(From OE-Core rev: 8848517fb4c81b9e9cfc985dd20b9baf374764c0)

(From OE-Core rev: 493ecc520202851bba664eaf4f1150ce624bf2b1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/directfb/directfb.inc

@@ -13,7 +13,8 @@ DEPENDS = "jpeg libpng freetype zlib tslib sysfsutils"
 
 SRC_URI = "http://www.directfb.org/downloads/Core/DirectFB-1.7/DirectFB-${PV}.tar.gz \
            file://configurefix.patch \
-           file://fusion.patch"
+           file://fusion.patch \
+           file://bashism.patch"
 
 S = "${WORKDIR}/DirectFB-${PV}"
 

meta/recipes-graphics/directfb/directfb/bashism.patch

@@ -0,0 +1,18 @@
+${x//y/} is a bash syntax. Replace with something dash compatible
+
+RP 2015/5/3
+Upstream-Status: Pending
+
+Index: DirectFB-1.7.7/configure.in
+===================================================================
+--- DirectFB-1.7.7.orig/configure.in
++++ DirectFB-1.7.7/configure.in
+@@ -2696,7 +2696,7 @@ AM_CONDITIONAL(BUILD_TOOLS, test "$with_
+ AM_CONDITIONAL(CROSS_COMPILING, test "$cross_compiling" = "yes")
+ 
+ CFLAGS="$CFLAGS $DFB_INTERNAL_CFLAGS"
+-CXXFLAGS="$CXXFLAGS ${CFLAGS//-Werror-implicit-function-declaration/}"
++CXXFLAGS="$CXXFLAGS $(printf '%s\n' "$CFLAGS" | sed 's/-Werror-implicit-function-declaration//g')"
+ DFB_LDFLAGS="$LDFLAGS $ZLIB_LIBS"
+ 
+ CFLAGS="$CFLAGS $CFLAGS_STD"