Stricter gnu90 tests
diff --git a/Makefile b/Makefile
index 5aad596..7d1ae71 100644
--- a/Makefile
+++ b/Makefile
@@ -89,7 +89,10 @@
$(MAKE) all CC=g++ CFLAGS="-O3 -Wall -Wextra -Wundef -Wshadow -Wcast-align -Werror"
gnu90test: clean
- $(MAKE) all CFLAGS="-Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 -Wswitch-enum -Wstrict-prototypes -Wundef -Werror"
+ $(MAKE) all CFLAGS="-std=gnu90 -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 -Wswitch-enum -Wstrict-prototypes -Wundef -Wdeclaration-after-statement -Werror"
+
+c90test: clean
+ $(MAKE) all CFLAGS="-std=c90 -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 -Wswitch-enum -Wstrict-prototypes -Wundef -Werror" # will fail, due to // and long long
bmix64test: clean
CFLAGS="-O3 -mbmi -Werror" $(MAKE) -C $(PRGDIR) test