test-amalgamation: fix compilation options

Use the same compilation options to compile lz4_all.c and other object files.

Fixes: a7e8d394 ("[amalgamation] add test")

diff --git a/tests/Makefile b/tests/Makefile
index f327535..36cb26a 100644 (file)
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -159,7 +159,7 @@ test32: test
 .PHONY: test-amalgamation
 test-amalgamation: $(LZ4DIR)/lz4.c $(LZ4DIR)/lz4hc.c $(LZ4DIR)/lz4frame.c
        cat $^ > lz4_all.c
-       $(CC) -I$(LZ4DIR) -c lz4_all.c
+       $(CC) $(CFLAGS) $(CPPFLAGS) -c lz4_all.c
        $(RM) lz4_all.c
 
 test-install: lz4 lib liblz4.pc