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authorGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2005-12-13 11:52:46 +0000
committerGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2005-12-13 11:52:46 +0000
commite0b877850679653bda433d7ca22063988846ca07 (patch)
treea3bb6c6fc9bb40e6e0d413d8deda9171b8b149eb /Rules.mak
parent5816ccb190e0ffc10d9f4da2f98a2cb0da6f6315 (diff)
downloadbusybox-e0b877850679653bda433d7ca22063988846ca07.tar.gz
busybox-e0b877850679653bda433d7ca22063988846ca07.tar.bz2
- check if CC supports -funsigned-char
- add CC_MAJOR and CC_MINOR variables. (gcc centric for now)
Diffstat (limited to 'Rules.mak')
-rw-r--r--Rules.mak10
1 files changed, 9 insertions, 1 deletions
diff --git a/Rules.mak b/Rules.mak
index b3ebeac1f..fdac364b9 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -81,9 +81,15 @@ CFLAGS_EXTRA=$(subst ",, $(strip $(EXTRA_CFLAGS_OPTIONS)))
#GCCINCDIR:=$(shell gcc -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
WARNINGS=-Wall -Wstrict-prototypes -Wshadow
-CFLAGS=-I$(top_builddir)/include -I$(top_srcdir)/include -I$(srcdir) -funsigned-char
+CFLAGS=-I$(top_builddir)/include -I$(top_srcdir)/include -I$(srcdir)
ARFLAGS=cru
+
+# gcc centric. Perhaps fiddle with findstring gcc,$(CC) for the rest
+# get the CC MAJOR/MINOR version
+CC_MAJOR:=$(shell printf "%02d" $(shell echo __GNUC__ | $(CC) -E -xc - | tail -n 1))
+CC_MINOR:=$(shell printf "%02d" $(shell echo __GNUC_MINOR__ | $(CC) -E -xc - | tail -n 1))
+
#--------------------------------------------------------
export VERSION BUILDTIME HOSTCC HOSTCFLAGS CROSS CC AR AS LD NM STRIP CPP
ifeq ($(strip $(TARGET_ARCH)),)
@@ -117,6 +123,8 @@ export MAKE_IS_SILENT=y
SECHO=-@false
endif
+CFLAGS+=$(call check_gcc,-funsigned-char,)
+
#--------------------------------------------------------
# Arch specific compiler optimization stuff should go here.
# Unless you want to override the defaults, do not set anything