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package/git: work around gcc bug 85180

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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>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 7c7c0e4406)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Giulio Benetti 2019-06-25 09:02:54 +02:00 committed by Peter Korsgaard
parent dfced0ad88
commit 9be0bf7c97
1 changed files with 8 additions and 0 deletions
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8
package/git/git.mk
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@ -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