--- daala-cc4432e/m4/pkg.m4.orig	2015-04-03 02:08:04.000000000 +0000
+++ daala-cc4432e/m4/pkg.m4	2015-04-06 12:13:46.678780600 +0000
@@ -122,9 +122,9 @@
    	AC_MSG_RESULT([no])
         _PKG_SHORT_ERRORS_SUPPORTED
         if test $_pkg_short_errors_supported = yes; then
-	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$2" 2>&1`
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --dont-define-prefix --short-errors --print-errors --cflags --libs "$2" 2>&1`
         else 
-	        $1[]_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$2" 2>&1`
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --dont-define-prefix --print-errors --cflags --libs "$2" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
--- daala-cc4432e/m4/pkg.m4.orig	2015-04-06 12:17:39.485343300 +0000
+++ daala-cc4432e/m4/pkg.m4	2015-04-06 12:19:32.115645500 +0000
@@ -111,8 +111,8 @@
 pkg_failed=no
 AC_MSG_CHECKING([for $1])
 
-_PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
-_PKG_CONFIG([$1][_LIBS], [libs], [$2])
+_PKG_CONFIG([$1][_CFLAGS], [cflags --dont-define-prefix], [$2])
+_PKG_CONFIG([$1][_LIBS], [libs --dont-define-prefix], [$2])
 
 m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
 and $1[]_LIBS to avoid the need to call pkg-config.