makefile: Make sure CPPFLAGS/LDLIBS can only be added to

cdown · Apr 9, 2024 · b2fccd3 · b2fccd3
1 parent 70cc5d2
commit b2fccd3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Makefile b/Makefile
@@ -2,8 +2,8 @@ CFLAGS := -std=gnu11 -O2 -Wall -Wextra -Wshadow -Wpointer-arith \
 	  -Wcast-align -Wmissing-prototypes -Wstrict-overflow -Wformat=2 \
 	  -Wwrite-strings -Warray-bounds -Wstrict-prototypes \
 	  -Werror $(CFLAGS)
-CPPFLAGS := -I/usr/X11R6/include -L/usr/X11R6/lib
-LDLIBS := -lX11 -lXfixes
+CPPFLAGS += -I/usr/X11R6/include -L/usr/X11R6/lib
+LDLIBS += -lX11 -lXfixes
 PREFIX ?= /usr/local
 bindir := $(PREFIX)/bin
 debug_cflags := -D_FORTIFY_SOURCE=2 -fsanitize=leak -fsanitize=address \