From: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
To: buildroot@buildroot.org
Subject: [Buildroot] [git commit branch/next] package/pixman: fix build failure due to gcc bug 101737
Date: Thu, 5 Aug 2021 21:30:23 +0200 [thread overview]
Message-ID: <20210805194940.CBFA3842EA@busybox.osuosl.org> (raw)
commit: https://git.buildroot.net/buildroot/commit/?id=a8a9b12766a434e7d70cd246689d4de11d440875
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next
The pixman package exhibits gcc bug 101737 when built for the SH4
architecture with optimization enabled, which causes a build failure.
As done for other packages in Buildroot work around this gcc bug by
setting optimization to -O0 if BR2_TOOLCHAIN_HAS_GCC_BUG_101737=y.
Also let's add PIXMAN_CFLAGS and pass the Codesourcery work around CFLAGS
to it for consistency like we do for the rest of the packages.
Fixes:
http://autobuild.buildroot.net/results/b20/b20869bbb48edb1f0a847ea9e2e1a0462d6350be/
Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
---
package/pixman/pixman.mk | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/package/pixman/pixman.mk b/package/pixman/pixman.mk
index d99005ecb7..6fab539593 100644
--- a/package/pixman/pixman.mk
+++ b/package/pixman/pixman.mk
@@ -44,12 +44,20 @@ ifneq ($(BR2_iwmmxt),y)
PIXMAN_CONF_OPTS += --disable-arm-iwmmxt
endif
+PIXMAN_CFLAGS = $(TARGET_CFLAGS)
+
# toolchain gets confused about TLS access through GOT (PIC), so disable TLS
# movhi r4, %got_hiadj(%tls_ldo(fast_path_cache))
# {standard input}:172: Error: bad expression
ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII),y)
-PIXMAN_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -DPIXMAN_NO_TLS"
+PIXMAN_CFLAGS += -DPIXMAN_NO_TLS
+endif
+
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_101737),y)
+PIXMAN_CFLAGS += -O0
endif
+PIXMAN_CONF_OPTS += CFLAGS="$(PIXMAN_CFLAGS)"
+
$(eval $(autotools-package))
$(eval $(host-autotools-package))
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