jasper: Don't overwrite CFLAGS when configured with --enable-debug

This drops architecture-specific ABI flags, which may be important.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/jasper/0007-preserve-cflags.patch

@@ -0,0 +1,27 @@
+From: Max Filippov <jcmvbkbc@gmail.com>
+Subject: Don't overwrite CFLAGS when configured with --enable-debug
+
+This drops architecture-specific ABI flags, which may be important.
+
+Signded-off-by: Max Filippov <jcmvbkbc@gmail.com>
+
+--- jasper-1.900.1/configure.ac.orig	2015-05-18 22:27:53.057512760 +0300
++++ jasper-1.900.1/configure.ac	2015-05-18 22:28:36.090415422 +0300
+@@ -327,7 +327,7 @@
+ 	AC_DEFINE(DEBUG)
+ 	AC_DEFINE(DEBUG_OVERFLOW)
+ 	if test "$GCC" = yes; then
+-		CFLAGS="-g -O0"
++		CFLAGS="$CFLAGS -g -O0"
+ 	fi
+ 	;;
+ no)
+@@ -357,7 +357,7 @@
+ case "${enableval}" in
+ yes)
+ 	if test "$GCC" = yes; then
+-		CFLAGS="-g -O0"
++		CFLAGS="$CFLAGS -g -O0"
+ 	fi
+ 	;;
+ no)