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From: Waldemar Brodkorb <wbx@openadk.org>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] binutils: fix bfin compile
Date: Mon, 22 Aug 2016 00:20:24 +0200	[thread overview]
Message-ID: <20160821222023.GA10105@waldemar-brodkorb.de> (raw)

See gcc bug for details:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77311

Signed-off-by: Waldemar Brodkorb <wbx@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

             reply	other threads:[~2016-08-21 22:20 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-21 22:20 Waldemar Brodkorb [this message]
2016-08-23 15:55 ` [Buildroot] [PATCH] binutils: fix bfin compile Thomas Petazzoni

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