blob: 43c03883ee076e0c4f470618cc3cc73cec566e6f (
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--- a/Makefile.inc
+++ b/Makefile.inc
@@ -101,8 +101,9 @@ OPTFLAGS := -O2 -g $(STACKPROT) --param=ssp-buffer-size=4
WARNFLAGS := -Werror -Wall -Wextra -Wformat=2 $(WFORMATOVERFLOW) -Werror=implicit-int \
-Werror=implicit-function-declaration -Werror=format-security \
$(WNOCLOBBERED) -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS)
-CPPFLAGS := -Wp,-D_FORTIFY_SOURCE=2
-CFLAGS := --std=gnu99 $(CFLAGS) $(OPTFLAGS) $(WARNFLAGS) -pipe \
+CPPFLAGS ?= -Wp,-D_FORTIFY_SOURCE=2
+CFLAGS ?= --std=gnu99 $(CFLAGS) $(OPTFLAGS) $(WARNFLAGS) -pipe
+CFLAGS += --std=gnu99 \
-DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
-MMD -MP
BIN_CFLAGS = -fPIE -DPIE
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