9dca07d94
Denis Vlasenko
2007-01-27
Subject
make it possible to build bbox without warnings again.
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Makefile.flags+14 -4
| @@ -5,8 +5,8 @@ | |
| BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) | |
| # -std=gnu99 needed for [U]LLONG_MAX on some systems | |
| - | |
| CPPFLAGS += $(call cc-option,-std=gnu99,) | |
| + | |
| CPPFLAGS += \ | |
| -Iinclude -Ilibbb \ | |
| $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include) -I$(srctree)/libbb \ | |
| @@ -20,11 +20,21 @@ CFLAGS += $(call cc-option,-Wall -Wshadow,) | |
| ifeq ($(CONFIG_WERROR),y) | |
| CFLAGS += $(call cc-option,-Werror,) | |
| 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,) | |
| # -fno-guess-branch-probability: prohibit pseudo-random guessing | |
| - | # of branch probabilities (hopefully makes bloatcheck more stable) |
| - | CFLAGS += $(call cc-option,-funsigned-char -fno-guess-branch-probability -static-libgcc,) |
| + | # of branch probabilities (hopefully makes bloatcheck more stable): |
| + | 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,) | |
| # FIXME: These warnings are at least partially to be concerned about and should | |