diff --git a/CPP/7zip/7zip_gcc.mak b/CPP/7zip/7zip_gcc.mak
index a8eb6e3..7a16e9e 100755
--- a/CPP/7zip/7zip_gcc.mak
+++ b/CPP/7zip/7zip_gcc.mak
@@ -24,7 +24,7 @@ PROGPATH_STATIC = $(O)/$(PROG)s
ifneq ($(CC), xlc)
-CFLAGS_WARN_WALL = -Werror -Wall -Wextra
+CFLAGS_WARN_WALL = -Wall -Wextra
endif
# for object file
@@ -45,7 +45,7 @@ CFLAGS_DEBUG = -g
else
CFLAGS_DEBUG = -DNDEBUG
ifneq ($(CC), $(CROSS_COMPILE)clang)
-LFLAGS_STRIP = -s
+LFLAGS_STRIP =
endif
endif
@@ -50,7 +50,7 @@ endif
endif
# CFLAGS_BASE_LIST = -S
-CFLAGS_BASE = -O2 $(CFLAGS_BASE_LIST) $(CFLAGS_WARN_WALL) $(CFLAGS_WARN) \
+CFLAGS_BASE = $(CFLAGS_BASE_LIST) $(CFLAGS_WARN_WALL) $(CFLAGS_WARN) \
$(CFLAGS_DEBUG) -D_REENTRANT -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \
-fPIC
@@ -169,7 +169,7 @@ endif
-CFLAGS = $(MY_ARCH_2) $(LOCAL_FLAGS) $(CFLAGS_BASE2) $(CFLAGS_BASE) $(FLAGS_FLTO) $(CC_SHARED) -o $@
+CFLAGS += $(MY_ARCH_2) $(LOCAL_FLAGS) $(CFLAGS_BASE2) $(CFLAGS_BASE) $(FLAGS_FLTO) $(CC_SHARED) -o $@
ifdef IS_MINGW
@@ -1343,7 +1343,7 @@ predef_cc:
$(CC) $(CFLAGS) -E $(SHOW_PREDEF) ../../../../C/CpuArch.c > predef_cc_log
# $(CC) $(CFLAGS) -E -dM - < /dev/null
predef_cxx:
- $(CXX) $(CFLAGS) -E $(SHOW_PREDEF) ../../../Common/CrcReg.cpp > predef_cxx_log
+ $(CXX) $(CXXFLAGS) -E $(SHOW_PREDEF) ../../../Common/CrcReg.cpp > predef_cxx_log
predef: predef_cc predef_cxx