From 98fb2c94370203efdef704b1867fab96ff3cc25b Mon Sep 17 00:00:00 2001 From: julianvasquez Date: Wed, 3 May 2017 11:07:07 -0500 Subject: [PATCH] validate gcc version for use -fstack-protector-strong in the Makefile --- Makefile | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/Makefile b/Makefile index ecbc765..d22615c 100644 --- a/Makefile +++ b/Makefile @@ -21,7 +21,17 @@ INSTALL_LIBRARY_PATH = $(DESTDIR)$(PREFIX)/$(LIBRARY_PATH) INSTALL ?= cp -a -R_CFLAGS = -fPIC -std=c89 -pedantic -Wall -Werror -Wstrict-prototypes -Wwrite-strings -Wshadow -Winit-self -Wcast-align -Wformat=2 -Wmissing-prototypes -Wstrict-overflow=2 -Wcast-qual -Wc++-compat -Wundef -Wswitch-default -Wconversion -fstack-protector-strong $(CFLAGS) +# validate gcc version for use fstack-protector-strong +MIN_GCC_VERSION = "4.9" +GCC_VERSION := "`gcc -dumpversion`" +IS_GCC_ABOVE_MIN_VERSION := $(shell expr "$(GCC_VERSION)" ">=" "$(MIN_GCC_VERSION)") +ifeq "$(IS_GCC_ABOVE_MIN_VERSION)" "1" + CFLAGS += -fstack-protector-strong +else + CFLAGS += -fstack-protector +endif + +R_CFLAGS = -fPIC -std=c89 -pedantic -Wall -Werror -Wstrict-prototypes -Wwrite-strings -Wshadow -Winit-self -Wcast-align -Wformat=2 -Wmissing-prototypes -Wstrict-overflow=2 -Wcast-qual -Wc++-compat -Wundef -Wswitch-default -Wconversion $(CFLAGS) uname := $(shell sh -c 'uname -s 2>/dev/null || echo false')