gpsd: fix build for microblaze architecture
Disable O2 and add O0. The suggested flags in the gcc report are not enough for gcc >= 6. Fixes: http://autobuild.buildroot.net/results/3686cd3f3e7b6aee84f4377bd2dded1115321fb3/ Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> [Thomas: use Git to format the patch, improve patch description.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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@ -0,0 +1,29 @@
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From eb7cce5dbb53a64cf55ac0d9a7fa4dcbebd4b173 Mon Sep 17 00:00:00 2001
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From: Waldemar Brodkorb <wbx@openadk.org>
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Date: Mon, 14 Aug 2017 23:24:38 +0200
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Subject: [PATCH] SConstruct: do not force -O2 by default
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-O2 can cause problems on some architectures, so do not force it by
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default.
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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---
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SConstruct | 2 --
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1 file changed, 2 deletions(-)
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diff --git a/SConstruct b/SConstruct
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index fe444a2..93d91a4 100644
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--- a/SConstruct
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+++ b/SConstruct
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@@ -330,8 +330,6 @@ if not 'CCFLAGS' in os.environ:
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# Should we build with optimisation?
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if env['debug'] or env['coveraging']:
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env.Append(CCFLAGS=['-O0'])
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- else:
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- env.Append(CCFLAGS=['-O2'])
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# Get a slight speedup by not doing automatic RCS and SCCS fetches.
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env.SourceCode('.', None)
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--
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2.9.4
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@ -44,7 +44,7 @@ endif
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# A bug was reported to the gcc bug tracker:
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485
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ifeq ($(BR2_microblaze),y)
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GPSD_CFLAGS += -fno-expensive-optimizations -fno-schedule-insns
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GPSD_CFLAGS += -O0
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endif
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# Enable or disable Qt binding
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