Description: Fix autmake failing with ...must be set with '=' before using '+='
Author: Jonas Smedegaard <dr@jones.dk>
License: Expat
Last-Update: 2016-04-03

--- a/Makefile.am
+++ b/Makefile.am
@@ -145,8 +145,8 @@
 endif
 
 if USE_ECMULT_STATIC_PRECOMPUTATION
-CPPFLAGS_FOR_BUILD +=-I$(top_srcdir)
-CFLAGS_FOR_BUILD += -Wall -Wextra -Wno-unused-function
+CPPFLAGS_FOR_BUILD = -I$(top_srcdir)
+CFLAGS_FOR_BUILD = -Wall -Wextra -Wno-unused-function
 
 gen_context_OBJECTS = gen_context.o
 gen_context_BIN = gen_context$(BUILD_EXEEXT)