2003-02-21 15:34:00

by Stelian Pop

[permalink] [raw]
Subject: [PATCH 2.4.21-pre4-bk] use correct gcc flags when compiling for Crusoe

Hi,

This patch makes use of 'check_gcc' facility when compiling for
a Crusoe processor in order to choose the correct -falign or -malign
compiler flags.

Marcelo, Alan, please apply.

Thanks.

Stelian.

===== arch/i386/Makefile 1.5 vs edited =====
--- 1.5/arch/i386/Makefile Sun Feb 2 08:50:07 2003
+++ edited/arch/i386/Makefile Tue Feb 18 10:03:19 2003
@@ -61,15 +61,16 @@
endif

ifdef CONFIG_MK6
-CFLAGS += $(shell if $(CC) -march=k6 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6"; else echo "-march=i586"; fi)
+CFLAGS += $(call check_gcc,-march=k6,-march=i586)
endif

ifdef CONFIG_MK7
-CFLAGS += $(shell if $(CC) -march=athlon -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=athlon"; else echo "-march=i686 -malign-functions=4"; fi)
+CFLAGS += $(call check_gcc,-march=athlon,-march=i686 -malign-functions=4)
endif

ifdef CONFIG_MCRUSOE
-CFLAGS += -march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0
+CFLAGS += -march=i686
+CFLAGS += $(call check_gcc,-falign-functions=0 -falign-jumps=0 -falign-loops=0,-malign-functions=0 -malign-jumps=0 -malign-loops=0)
endif

ifdef CONFIG_MWINCHIPC6
--
Stelian Pop <[email protected]>