From e6d0177f5319457588080b7ed111da2c3b628cf8 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sun, 13 Aug 2017 10:59:26 +0200 Subject: [PATCH] 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 [Thomas: use Git to format the patch, improve patch description.] Signed-off-by: Thomas Petazzoni --- ...Construct-do-not-force-O2-by-default.patch | 29 +++++++++++++++++++ package/gpsd/gpsd.mk | 2 +- 2 files changed, 30 insertions(+), 1 deletion(-) create mode 100644 package/gpsd/0002-SConstruct-do-not-force-O2-by-default.patch diff --git a/package/gpsd/0002-SConstruct-do-not-force-O2-by-default.patch b/package/gpsd/0002-SConstruct-do-not-force-O2-by-default.patch new file mode 100644 index 0000000000..641afa30af --- /dev/null +++ b/package/gpsd/0002-SConstruct-do-not-force-O2-by-default.patch @@ -0,0 +1,29 @@ +From eb7cce5dbb53a64cf55ac0d9a7fa4dcbebd4b173 Mon Sep 17 00:00:00 2001 +From: Waldemar Brodkorb +Date: Mon, 14 Aug 2017 23:24:38 +0200 +Subject: [PATCH] SConstruct: do not force -O2 by default + +-O2 can cause problems on some architectures, so do not force it by + default. + +Signed-off-by: Waldemar Brodkorb +--- + SConstruct | 2 -- + 1 file changed, 2 deletions(-) + +diff --git a/SConstruct b/SConstruct +index fe444a2..93d91a4 100644 +--- a/SConstruct ++++ b/SConstruct +@@ -330,8 +330,6 @@ if not 'CCFLAGS' in os.environ: + # Should we build with optimisation? + if env['debug'] or env['coveraging']: + env.Append(CCFLAGS=['-O0']) +- else: +- env.Append(CCFLAGS=['-O2']) + + # Get a slight speedup by not doing automatic RCS and SCCS fetches. + env.SourceCode('.', None) +-- +2.9.4 + diff --git a/package/gpsd/gpsd.mk b/package/gpsd/gpsd.mk index 552d6d9367..2b9c38a42b 100644 --- a/package/gpsd/gpsd.mk +++ b/package/gpsd/gpsd.mk @@ -44,7 +44,7 @@ endif # A bug was reported to the gcc bug tracker: # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68485 ifeq ($(BR2_microblaze),y) -GPSD_CFLAGS += -fno-expensive-optimizations -fno-schedule-insns +GPSD_CFLAGS += -O0 endif # Enable or disable Qt binding -- 2.30.2