From de5cecd9bd63c0f7732fe266ee95e878d33ba61f Mon Sep 17 00:00:00 2001 From: Christian Hesse Date: Tue, 3 May 2016 21:15:18 +0200 Subject: fix compiler and linker flags and produce binaries with full RELRO --- lib/Makefile | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'lib') diff --git a/lib/Makefile b/lib/Makefile index 256f60b..9cd78c5 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -1,20 +1,24 @@ # cqrlogo - CGI QR-Code logo for web services +# commands CC := gcc LN := ln -CFLAGS += -std=c11 -O2 -fpic -pie -Wall -Werror + +# flags +CFLAGS += -std=c11 -O2 -fPIC -Wall -Werror CFLAGS += -liniparser CFLAGS += $(shell pkg-config --cflags --libs libpng) CFLAGS += $(shell pkg-config --cflags --libs zlib) CFLAGS += $(shell pkg-config --cflags --libs libqrencode) +LDFLAGS += -Wl,-z,now -Wl,-z,relro -pie all: libcqrlogo.so libcqrlogo.o: libcqrlogo.c libcqrlogo.h ../config.h ../version.h Makefile - $(CC) -c $(CFLAGS) $(LDFLAGS) -fPIC -o libcqrlogo.o libcqrlogo.c + $(CC) $(CFLAGS) -c -o libcqrlogo.o libcqrlogo.c -libcqrlogo.so: libcqrlogo.o - $(CC) $(CFLAGS) $(LDFLAGS) -shared -fPIC -Wl,-soname,libcqrlogo.so.$(SOVERSION) -o libcqrlogo.so.$(SOVERSION) libcqrlogo.o +libcqrlogo.so: libcqrlogo.c libcqrlogo.h ../config.h ../version.h Makefile + $(CC) $(CFLAGS) $(LDFLAGS) -shared -Wl,-soname,libcqrlogo.so.$(SOVERSION) -o libcqrlogo.so.$(SOVERSION) libcqrlogo.c $(LN) -sf libcqrlogo.so.$(SOVERSION) libcqrlogo.so clean: -- cgit v1.2.3-70-g09d2