[Buildroot] [PATCH] package/git: work around gcc bug 85180
Giulio Benetti
giulio.benetti at micronovasrl.com
Tue Jun 25 07:02:54 UTC 2019
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 at micronovasrl.com>
---
package/git/git.mk | 8 ++++++++
1 file changed, 8 insertions(+)
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
--
2.17.1
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