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-rw-r--r--make-linux.mk15
1 files changed, 8 insertions, 7 deletions
diff --git a/make-linux.mk b/make-linux.mk
index 6881926b..18000c6c 100644
--- a/make-linux.mk
+++ b/make-linux.mk
@@ -18,9 +18,8 @@
#
# Automagically pick clang or gcc, with preference for clang
-CC=$(shell if [ -e /usr/bin/clang ]; then echo clang; else echo gcc; fi)
-CXX=$(shell if [ -e /usr/bin/clang++ ]; then echo clang++; else echo g++; fi)
-
+CC?=$(shell if [ -e /usr/bin/clang ]; then echo clang; else echo gcc; fi)
+CXX?=$(shell if [ -e /usr/bin/clang++ ]; then echo clang++; else echo g++; fi)
INCLUDES=
DEFS=
LIBS=
@@ -43,16 +42,18 @@ endif
# "make debug" is a shortcut for this
ifeq ($(ZT_DEBUG),1)
DEFS+=-DZT_TRACE
- CFLAGS=-Wall -g -pthread $(INCLUDES) $(DEFS)
- CXXFLAGS=-Wall -g -pthread $(INCLUDES) $(DEFS)
+ CFLAGS+=-Wall -g -pthread $(INCLUDES) $(DEFS)
+ CXXFLAGS+=-Wall -g -pthread $(INCLUDES) $(DEFS)
LDFLAGS=
STRIP=echo
# The following line enables optimization for the crypto code, since
# C25519 in particular is almost UNUSABLE in -O0 even on a 3ghz box!
ext/lz4/lz4.o node/Salsa20.o node/SHA512.o node/C25519.o node/Poly1305.o: CFLAGS = -Wall -O2 -g -pthread $(INCLUDES) $(DEFS)
else
- CFLAGS=-Wall -O3 -fPIE -fvisibility=hidden -fstack-protector -pthread $(INCLUDES) -DNDEBUG $(DEFS)
- CXXFLAGS=-Wall -O3 -fPIE -fvisibility=hidden -fstack-protector -fno-rtti -pthread $(INCLUDES) -DNDEBUG $(DEFS)
+ CFLAGS?=-O3 -fstack-protector
+ CFLAGS+=-Wall -fPIE -fvisibility=hidden -pthread $(INCLUDES) -DNDEBUG $(DEFS)
+ CXXFLAGS?=-O3 -fstack-protector
+ CXXFLAGS+=-Wall -fPIE -fvisibility=hidden -fno-rtti -pthread $(INCLUDES) -DNDEBUG $(DEFS)
LDFLAGS=-pie -Wl,-z,relro,-z,now
STRIP=strip --strip-all
endif