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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-27 13:44:53 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-27 13:44:53 +0000
commite0eebc1ef3816bd75988021376a368dfe19470c5 (patch)
tree0008d612e2c7a07f858e4729589e215f20a542e0 /Makefile.flags
parentfd94efa41f6a37221c68d4c0ed12f4883d2069ba (diff)
downloadbusybox-e0eebc1ef3816bd75988021376a368dfe19470c5.tar.gz
busybox-e0eebc1ef3816bd75988021376a368dfe19470c5.tar.bz2
Make -Werror configurable
Diffstat (limited to 'Makefile.flags')
-rw-r--r--Makefile.flags9
1 files changed, 7 insertions, 2 deletions
diff --git a/Makefile.flags b/Makefile.flags
index 8f6d0c9bd..cec73df8f 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -17,10 +17,15 @@ CPPFLAGS += \
# flag checks are grouped together to speed the checks up a bit..
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,-Os -fno-builtin-strlen -finline-limit=0 -fomit-frame-pointer -ffunction-sections -fdata-sections,)
-CFLAGS += $(call cc-option,-static-libgcc -funsigned-char,)
-CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-loops=1,)
+# -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,)
+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
# be fixed..