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package/x11r7/xlib_libXfont2: work around gcc bug 85180

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On Microblaze, with gcc versions < 8.x the build of xlib_libXfont2
hangs due to gcc bug 85180:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85180.

The bug shows up when building xlib_libXfont2 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/21099d27c03948daaca2d1c149eeba084427e3af/

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit b5942dcdc5)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Giulio Benetti 2019-07-12 11:04:07 +02:00 committed by Peter Korsgaard
parent bc367e42f3
commit 6495a148c2
1 changed files with 8 additions and 0 deletions
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8
package/x11r7/xlib_libXfont2/xlib_libXfont2.mk
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@ -27,5 +27,13 @@ HOST_XLIB_LIBXFONT2_DEPENDENCIES = \
XLIB_LIBXFONT2_CONF_OPTS = --disable-devel-docs
HOST_XLIB_LIBXFONT2_CONF_OPTS = --disable-devel-docs
XLIB_LIBXFONT2_CFLAGS = $(TARGET_CFLAGS)
ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_85180),y)
XLIB_LIBXFONT2_CFLAGS += -O0
endif
XLIB_LIBXFONT2_CONF_ENV = CFLAGS="$(XLIB_LIBXFONT2_CFLAGS)"
$(eval $(autotools-package))
$(eval $(host-autotools-package))