blob: 7dd9dc5dd4f8b3593006f4257cd396e39c19d6cb [file] [log] [blame]
Denis Vlasenko7d219aa2006-10-05 10:17:08 +00001# ==========================================================================
Denis Vlasenkoda8f43f2006-10-09 19:47:38 +00002# Build system
Denis Vlasenko7d219aa2006-10-05 10:17:08 +00003# ==========================================================================
4
5BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
6
Denis Vlasenkobf11e892006-11-26 22:17:46 +00007# -std=gnu99 needed for [U]LLONG_MAX on some systems
8
Denis Vlasenko7039a662006-10-08 17:54:47 +00009CPPFLAGS += \
Denis Vlasenkobf11e892006-11-26 22:17:46 +000010 -std=gnu99 \
Denis Vlasenko7039a662006-10-08 17:54:47 +000011 -Iinclude -Ilibbb \
12 $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \
13 -include include/autoconf.h \
14 -D_GNU_SOURCE -DNDEBUG \
15 $(if $(CONFIG_LFS),-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64) \
Bernhard Reutner-Fischerfeea1b92006-12-06 21:51:59 +000016 -D"BB_VER=KBUILD_STR($(BB_VER))" -DBB_BT=AUTOCONF_TIMESTAMP
17
18CFLAGS += \
Denis Vlasenkoa7189f02006-11-17 20:29:00 +000019 -Wall -Wstrict-prototypes -Wshadow -Werror -Wundef \
Denis Vlasenko7039a662006-10-08 17:54:47 +000020 -funsigned-char -fno-builtin-strlen -finline-limit=0 -static-libgcc \
Denis Vlasenko1db39b22006-10-11 20:59:02 +000021 -Os -falign-functions=1 -falign-jumps=1 -falign-loops=1 \
Bernhard Reutner-Fischerdd298282006-10-20 12:21:17 +000022 -fomit-frame-pointer -ffunction-sections -fdata-sections
Bernhard Reutner-Fischer9729e652006-12-13 17:44:24 +000023
24ifeq ($(CONFIG_DEBUG),y)
25CFLAGS += -g
Bernhard Reutner-Fischer9729e652006-12-13 17:44:24 +000026endif
27
Bernhard Reutner-Fischerc1feac62007-01-08 16:29:15 +000028ifeq ($(CONFIG_STATIC),y)
29LDFLAGS += -static
30endif
31LDFLAGS += -nostdlib