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binutils: fix bfin compile error

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Newer gcc requires even lower optimization, only with -O0 we
can successfully compile binutils for the target.

Fixes:
  http://autobuild.buildroot.net/results/fb95cd7f7fcc532d036ed8f13853bc6f9a64d1b3

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Waldemar Brodkorb 2017-04-26 19:48:02 +02:00 committed by Thomas Petazzoni
parent 40edddc8cc
commit 33ad356ce5
1 changed files with 2 additions and 2 deletions

4
package/binutils/binutils.mk
View File

@ -64,10 +64,10 @@ HOST_BINUTILS_CONF_ENV += MAKEINFO=true
HOST_BINUTILS_MAKE_OPTS += MAKEINFO=true
HOST_BINUTILS_INSTALL_OPTS += MAKEINFO=true install
# gcc bug with Os/O2/O3, PR77311
# gcc bug with Os/O1/O2/O3, PR77311
# error: unable to find a register to spill in class 'CCREGS'
ifeq ($(BR2_bfin),y)
BINUTILS_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -O1"
BINUTILS_CONF_ENV += CFLAGS="$(TARGET_CFLAGS) -O0"
endif
# Workaround a build issue with -Os for ARM Cortex-M cpus.