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-rw-r--r--src/Makefile3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Makefile b/src/Makefile
index c88aa6dd..fc85ea0a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -262,7 +262,8 @@ endif
# -Wno-missing-braces ignore invalid warning (GCC bug 53119)
# -D_DEFAULT_SOURCE use with -std=c99 on Linux and PLATFORM_WEB, required for timespec
# -Werror=pointer-arith catch unportable code that does direct arithmetic on void pointers
-CFLAGS += -O1 -Wall -std=c99 -D_DEFAULT_SOURCE -fgnu89-inline -Wno-missing-braces -Werror=pointer-arith
+# -Werror=implicit-function-declaration catch function calls without prior declaration
+CFLAGS += -O1 -Wall -std=c99 -D_DEFAULT_SOURCE -fgnu89-inline -Wno-missing-braces -Werror=pointer-arith -Werror=implicit-function-declaration
ifeq ($(RAYLIB_BUILD_MODE), DEBUG)
CFLAGS += -g