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make it possible to build bbox without warnings again.

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This commit is contained in:
Denis Vlasenko 2007-01-27 14:03:15 +00:00
parent 434ad5456b
commit 9dca07d949
1 changed files with 14 additions and 4 deletions
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18
Makefile.flags
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@ -5,8 +5,8 @@
BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
# -std=gnu99 needed for [U]LLONG_MAX on some systems # -std=gnu99 needed for [U]LLONG_MAX on some systems
CPPFLAGS += $(call cc-option,-std=gnu99,) CPPFLAGS += $(call cc-option,-std=gnu99,)
CPPFLAGS += \ CPPFLAGS += \
-Iinclude -Ilibbb \ -Iinclude -Ilibbb \
$(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \ $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \
@ -20,11 +20,21 @@ CFLAGS += $(call cc-option,-Wall -Wshadow,)
ifeq ($(CONFIG_WERROR),y) ifeq ($(CONFIG_WERROR),y)
CFLAGS += $(call cc-option,-Werror,) CFLAGS += $(call cc-option,-Werror,)
endif endif
CFLAGS += $(call cc-option,-Wundef -Wold-style-definition -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations,) CFLAGS += $(call cc-option,-Wundef -Wold-style-definition -Wstrict-prototypes,)
# If you want to add "-Wmissing-prototypes -Wmissing-declarations" above
# (or anything else for that matter) make sure that it is still possible
# to build bbox without warnings. Current offender: find.c:alloc_action().
# Looks more like gcc bug: gcc will warn on it with or without prototype.
# But still, warning-free compile is a must, or else we will drown
# in warnings pretty soon.
ifneq ($(CONFIG_WERROR),y)
CFLAGS += $(call cc-option,-Wmissing-prototypes -Wmissing-declarations,)
endif
CFLAGS += $(call cc-option,-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections,) CFLAGS += $(call cc-option,-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections,)
# -fno-guess-branch-probability: prohibit pseudo-random guessing # -fno-guess-branch-probability: prohibit pseudo-random guessing
# of branch probabilities (hopefully makes bloatcheck more stable) # of branch probabilities (hopefully makes bloatcheck more stable):
CFLAGS += $(call cc-option,-funsigned-char -fno-guess-branch-probability -static-libgcc,) CFLAGS += $(call cc-option,-fno-guess-branch-probability,)
CFLAGS += $(call cc-option,-funsigned-char -static-libgcc,)
CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1,) CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1,)
# FIXME: These warnings are at least partially to be concerned about and should # FIXME: These warnings are at least partially to be concerned about and should