diff mbox series

package/git: work around gcc bug 85180

Message ID 20190625070254.31868-1-giulio.benetti@micronovasrl.com
State Accepted
Commit 7c7c0e4406aea45b2db0a932b128960b4ef4b474
Headers show
Series package/git: work around gcc bug 85180 | expand

Commit Message

Giulio Benetti June 25, 2019, 7:02 a.m. UTC
With Microblaze Gcc version < 8.x the build hangs due to gcc bug
85180: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. The bug
shows up when building git with optimization but not when building with
-O0. To work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y we force
using -O0.

Fixes:

  http://autobuild.buildroot.net/results/7ad/7adff001631053ae5a3cb3e176d321f6a2d3cceb/

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
---
 package/git/git.mk | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Peter Korsgaard Aug. 1, 2019, 1:37 p.m. UTC | #1
>>>>> "Giulio" == Giulio Benetti <giulio.benetti@micronovasrl.com> writes:

 > With Microblaze Gcc version < 8.x the build hangs due to gcc bug
 > 85180: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. The bug
 > shows up when building git with optimization but not when building with
 > -O0. To work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y we force
 > using -O0.

 > Fixes:

 >   http://autobuild.buildroot.net/results/7ad/7adff001631053ae5a3cb3e176d321f6a2d3cceb/

 > Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>

Committed, thanks.
Peter Korsgaard Aug. 20, 2019, 7:23 p.m. UTC | #2
>>>>> "Giulio" == Giulio Benetti <giulio.benetti@micronovasrl.com> writes:

 > With Microblaze Gcc version < 8.x the build hangs due to gcc bug
 > 85180: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180. The bug
 > shows up when building git with optimization but not when building with
 > -O0. To work around this, if BR2_TOOLCHAIN_HAS_GCC_BUG_85180=y we force
 > using -O0.

 > Fixes:

 >   http://autobuild.buildroot.net/results/7ad/7adff001631053ae5a3cb3e176d321f6a2d3cceb/

 > Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>

Committed to 2019.02.x and 2019.05.x, thanks.
diff mbox series

Patch

diff --git a/package/git/git.mk b/package/git/git.mk
index 1b4a1a51e9..55cdfbf13a 100644
--- a/package/git/git.mk
+++ b/package/git/git.mk
@@ -66,6 +66,14 @@  ifeq ($(BR2_SYSTEM_ENABLE_NLS),)
 GIT_MAKE_OPTS += NO_GETTEXT=1
 endif
 
+GIT_CFLAGS = $(TARGET_CFLAGS)
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
+GIT_CFLAGS += -O0
+endif
+
+GIT_CONF_OPTS += CFLAGS="$(GIT_CFLAGS)"
+
 GIT_INSTALL_TARGET_OPTS = $(GIT_MAKE_OPTS) DESTDIR=$(TARGET_DIR) install
 
 # assume yes for these tests, configure will bail out otherwise