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Keep upstream's important CFLAGS and macros and respect LDFLAGS. Omit those
which the toolchain sets for us:
https://wiki.gentoo.org/wiki/Hardened/Toolchain#Changes
From: Lucio Sauer <watermanpaint@posteo.net>
--- a/Makefile
+++ b/Makefile
@@ -2,13 +2,6 @@
CFLAGS ?= -std=c11 -O2 -pipe -finline-functions -fPIC -Wall -Wextra -Wpedantic -Wfatal-errors
UNAME_S := $(shell uname -s)
-ifeq ($(UNAME_S),Darwin)
- CFLAGS += -fstack-protector-strong -D_GNU_SOURCE -fno-plt
-else ifeq ($(OS),Windows_NT)
- CFLAGS += -D_WIN32
-else
- CFLAGS += -fstack-protector-strong -D_GNU_SOURCE -fno-plt -Wl,-z,now
-endif
PREFIX ?= /usr
BINDIR ?= $(PREFIX)/bin
@@ -20,7 +13,7 @@
RELEASE_FILES := main.c Makefile COPYING README.md
tinyxxd: main.c
- $(CC) $(CFLAGS) -o $@ $<
+ $(CC) $(CFLAGS) -std=c11 -D_GNU_SOURCE $(LDFLAGS) -o $@ $<
tinyxxd_debug: main.c
$(CC) $(CFLAGS) -g -o $@ $<
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