From patchwork Wed Nov 25 22:22:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Lance Taylor X-Patchwork-Id: 548793 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id E71681402A8 for ; Thu, 26 Nov 2015 09:22:49 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b=f4BfxCDG; dkim-atps=neutral DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :mime-version:date:message-id:subject:from:to:content-type; q= dns; s=default; b=C1csJJnWSiDAYrSMro2JZV8L9e7aMahri8a+xixyLkvd1P e8Pm1vYaYL2sn44EGrYICPVDMfMUSyKkf10d90zhVCaZFehNglBhnh6sEIq3JWQZ ut44Axe0HXsPYNPEL9i9nsG/Pamjcinsz5kQCI71s/vU2aUoxwc1bs5ZOGaSA= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :mime-version:date:message-id:subject:from:to:content-type; s= default; bh=Q9Yk1XCjlVqmhBVHVfEsp7bIfgs=; b=f4BfxCDG4K+0G5dXiwPx 2xi6cDoa82agpUWeDnb/S5xInBEGVsqv0Eq7JR/iE5ctd/QsKYZdi3/JvSda/TaX JvA70vXBm+bsoRxvCyPy/N6ZrcMn7zuZH+RBhnNfKBoJLxauB/ep/uBELn8B7or6 eWYAEWbyygmqeUlJKgGiM9k= Received: (qmail 119554 invoked by alias); 25 Nov 2015 22:22:39 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 119488 invoked by uid 89); 25 Nov 2015 22:22:39 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.8 required=5.0 tests=AWL, BAYES_40, KAM_ASCII_DIVIDERS, RCVD_IN_DNSWL_LOW, SPF_PASS autolearn=no version=3.3.2 X-HELO: mail-ig0-f179.google.com Received: from mail-ig0-f179.google.com (HELO mail-ig0-f179.google.com) (209.85.213.179) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Wed, 25 Nov 2015 22:22:38 +0000 Received: by igbxm8 with SMTP id xm8so47255igb.1 for ; Wed, 25 Nov 2015 14:22:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=vzYbqqmR07Gb1fr3N6g1T2LrUgEZOAFBy1Ebbn0w5KE=; b=LPPYKk9EkCFYf2RwSKUQhvIWjrRGu+HYgIfNSEK3Cji/wVUOt3f3aEqL6i1tiMegm3 kF8+j//mkkuvFJvsLb9ZMtLwvQhjUM4ooxJG0n9SQnJRlUPwCBTOUQgH8nrnGY/uUFWR J3P6F5x+bZA5O0MS/6x7bMiLwrEADPuAomPIO992OHuwwBX82tn6HIg31iHtMecWWTBk WLCT0UK0UYbg72Vc/AcwA9zBvBpPRLDEAQNy7eYQ7qg2LntTRmG/1oieAUpecxqoEyBm RJ4N97sNwcPwaCGMya+u7AMvJMEvT6mdH1MjjcHD1x/k5oQMi/AlUgRdP1dlTxfHC6Hz 6dRw== X-Gm-Message-State: ALoCoQlbzoiCMZTVs8w5mScAIJhhmNkzLdVIp2WPpIfcL4W9Gr5SxJbtJfLUghXazq6j+QbVzoZ3 MIME-Version: 1.0 X-Received: by 10.50.183.9 with SMTP id ei9mr6230466igc.81.1448490155810; Wed, 25 Nov 2015 14:22:35 -0800 (PST) Received: by 10.107.162.70 with HTTP; Wed, 25 Nov 2015 14:22:35 -0800 (PST) Date: Wed, 25 Nov 2015 14:22:35 -0800 Message-ID: Subject: Patch RFA: Improve building gotools with a cross compiler From: Ian Lance Taylor To: gcc-patches , "gofrontend-dev@googlegroups.com" PR 66147 points out that it doesn't work to build the gotools with a cross-compiler. This patch improves matters. I added a new host export to the top level Makefile. Build maintainers, does this change seem OK? Ian ./ChangeLog: 2015-11-25 Ian Lance Taylor PR go/66147 * Makefile.tpl (HOST_EXPORTS): Add XGCC_FLAGS_FOR_TARGET. * Makefile.in: Regenerate. gotools/ChangeLog: 2015-11-25 Ian Lance Taylor PR go/66147 * Makefile.am (GOCOMPILER): In NATIVE case, add $(XGCC_FLAGS_FOR_TARGET). Index: Makefile.tpl =================================================================== --- Makefile.tpl (revision 230759) +++ Makefile.tpl (working copy) @@ -227,6 +227,7 @@ HOST_EXPORTS = \ ISLINC="$(HOST_ISLINC)"; export ISLINC; \ LIBELFLIBS="$(HOST_LIBELFLIBS)"; export LIBELFLIBS; \ LIBELFINC="$(HOST_LIBELFINC)"; export LIBELFINC; \ + XGCC_FLAGS_FOR_TARGET="$(XGCC_FLAGS_FOR_TARGET)"; export XGCC_FLAGS_FOR_TARGET; \ @if gcc-bootstrap $(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \ @endif gcc-bootstrap Index: gotools/Makefile.am =================================================================== --- gotools/Makefile.am (revision 230759) +++ gotools/Makefile.am (working copy) @@ -30,7 +30,7 @@ LIBGODEP = $(libgodir)/libgo.la if NATIVE # Use the compiler we just built. -GOCOMPILER = $(GOC_FOR_TARGET) +GOCOMPILER = $(GOC_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) else GOCOMPILER = $(GOC) endif