From: Brian Gerst <bgerst@quark.didntduck.org>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] factor common GCC options check
Date: Tue, 29 Oct 2002 22:51:09 -0500 [thread overview]
Message-ID: <3DBF572D.1030801@quark.didntduck.org> (raw)
In-Reply-To: 3DBF51B7.5070906@pobox.com
[-- Attachment #1: Type: text/plain, Size: 146 bytes --]
Revised patch:
Make the test for supported GCC options into a macro, and add new checks
for -march={winchip-c6,winchip2,c3}.
--
Brian Gerst
[-- Attachment #2: checkgcc-2 --]
[-- Type: text/plain, Size: 2579 bytes --]
diff -urN linux-2.5.44-bk4/arch/i386/Makefile linux/arch/i386/Makefile
--- linux-2.5.44-bk4/arch/i386/Makefile Tue Oct 29 21:24:37 2002
+++ linux/arch/i386/Makefile Tue Oct 29 22:43:49 2002
@@ -22,24 +22,26 @@
CFLAGS += -pipe
+check_gcc = $(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi)
+
# prevent gcc from keeping the stack 16 byte aligned
-CFLAGS += $(shell if $(CC) -mpreferred-stack-boundary=2 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-mpreferred-stack-boundary=2"; fi)
+CFLAGS += $(call check_gcc,-mpreferred-stack-boundary=2,)
cflags-$(CONFIG_M386) += -march=i386
cflags-$(CONFIG_M486) += -march=i486
cflags-$(CONFIG_M586) += -march=i586
cflags-$(CONFIG_M586TSC) += -march=i586
-cflags-$(CONFIG_M586MMX) += $(shell if $(CC) -march=pentium-mmx -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=pentium-mmx"; else echo "-march=i586"; fi)
+cflags-$(CONFIG_M586MMX) += $(call check_gcc,-march=pentium-mmx,-march=i586)
cflags-$(CONFIG_M686) += -march=i686
-cflags-$(CONFIG_MPENTIUMIII) += $(shell if $(CC) -march=pentium3 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=pentium3"; else echo "-march=i686"; fi)
-cflags-$(CONFIG_MPENTIUM4) += $(shell if $(CC) -march=pentium4 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=pentium4"; else echo "-march=i686"; fi)
-cflags-$(CONFIG_MK6) += $(shell if $(CC) -march=k6 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=k6"; else echo "-march=i586"; fi)
-cflags-$(CONFIG_MK7) += $(shell if $(CC) -march=athlon -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-march=athlon"; else echo "-march=i686 -malign-functions=4"; fi)
+cflags-$(CONFIG_MPENTIUMIII) += $(call check_gcc,-march=pentium3,-march=i686)
+cflags-$(CONFIG_MPENTIUM4) += $(call check_gcc,-march=pentium4,-march=i686)
+cflags-$(CONFIG_MK6) += $(call check_gcc,-march=k6,-march=i586)
+cflags-$(CONFIG_MK7) += $(call check_gcc,-march=athlon,-march=i686 -malign-functions=4)
cflags-$(CONFIG_MCRUSOE) += -march=i686 -malign-functions=0 -malign-jumps=0 -malign-loops=0
-cflags-$(CONFIG_MWINCHIPC6) += -march=i586
-cflags-$(CONFIG_MWINCHIP2) += -march=i586
+cflags-$(CONFIG_MWINCHIPC6) += $(call check_gcc,-march=winchip-c6,-march=i586)
+cflags-$(CONFIG_MWINCHIP2) += $(call check_gcc,-march=winchip2,-march=i586)
cflags-$(CONFIG_MWINCHIP3D) += -march=i586
-cflags-$(CONFIG_MCYRIXIII) += -march=i586
+cflags-$(CONFIG_MCYRIXIII) += $(call check_gcc,-march=c3,-march=i586)
CFLAGS += $(cflags-y)
prev parent reply other threads:[~2002-10-30 3:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-30 3:15 [PATCH] factor common GCC options check Brian Gerst
2002-10-30 3:27 ` Jeff Garzik
2002-10-30 3:51 ` Brian Gerst [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3DBF572D.1030801@quark.didntduck.org \
--to=bgerst@quark.didntduck.org \
--cc=jgarzik@pobox.com \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@transmeta.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.