1 --- a/CPP/7zip/7zip_gcc.mak
2 +++ b/CPP/7zip/7zip_gcc.mak
3 @@ -24,7 +24,7 @@ PROGPATH_STATIC = $(O)/$(PROG)s
7 -CFLAGS_WARN_WALL = -Werror -Wall -Wextra
8 +CFLAGS_WARN_WALL = -Wall -Wextra
12 @@ -32,7 +32,7 @@ endif
15 # CFLAGS_BASE_LIST = -S
16 -CFLAGS_BASE = -O2 $(CFLAGS_BASE_LIST) $(CFLAGS_WARN_WALL) $(CFLAGS_WARN) \
17 +CFLAGS_BASE = $(CFLAGS_BASE_LIST) $(CFLAGS_WARN_WALL) $(CFLAGS_WARN) -D_GNU_SOURCE \
18 -DNDEBUG -D_REENTRANT -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE \