[Buildroot] [PATCH] binutils: fix bfin compile
Waldemar Brodkorb
wbx at openadk.org
Sun Aug 21 22:20:24 UTC 2016
See gcc bug for details:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77311
Signed-off-by: Waldemar Brodkorb <wbx at openadk.org>
---
package/binutils/binutils.mk | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/package/binutils/binutils.mk b/package/binutils/binutils.mk
index 2936eb5..1defbb1 100644
--- a/package/binutils/binutils.mk
+++ b/package/binutils/binutils.mk
@@ -71,6 +71,12 @@ endif
BINUTILS_CONF_ENV += ac_cv_prog_MAKEINFO=missing
HOST_BINUTILS_CONF_ENV += ac_cv_prog_MAKEINFO=missing
+# gcc bug with Os/O2/O3
+# error: unable to find a register to spill in class 'CCREGS'
+ifeq ($(BR2_bfin),y)
+BINUTILS_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -O1"
+endif
+
# Install binutils after busybox to prefer full-blown utilities
ifeq ($(BR2_PACKAGE_BUSYBOX),y)
BINUTILS_DEPENDENCIES += busybox
--
2.1.4
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