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package/guile: dont't use -Os for CS 2014.05 ARM toolchain

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With this toolchain, guile tigger an assembler error with -Os which is
probably caused by the binutils version being used:

arm-none-linux-gnueabi-ld --version
GNU ld (Sourcery CodeBench Lite 2014.05-29) 2.24.51.20140217

arm-none-linux-gnueabi-gcc --version
arm-none-linux-gnueabi-gcc (Sourcery CodeBench Lite 2014.05-29) 4.8.3 20140320 (prerelease)

Nowaday, even with a Buildroot internal toolchain using the oldest
Binutils GCC version (2.25.1 and 4.8.6), guile build fine with -Os.

So, force -O2 when this toolchain is used and BR2_OPTIMIZE_S is set.

Fixes:
http://autobuild.buildroot.net/results/976/976b3477407e64c8c2fc2309ed952d0083903a19

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2016-11-06 23:53:32 +01:00 committed by Thomas Petazzoni
parent e5b3fa3ae4
commit 401c47e44b
1 changed files with 5 additions and 0 deletions
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5
package/guile/guile.mk
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@ -32,6 +32,11 @@ ifeq ($(BR2_STATIC_LIBS),y)
GUILE_CFLAGS += -DGC_NO_DLOPEN
endif
# Triggers assembler error with -Os
ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM)$(BR2_OPTIMIZE_S),yy)
GUILE_CFLAGS += -O2
endif
# It can use readline, but on the condition that it was build against
# ncurses. If both aren't present disable readline support since the
# host readline/ncurses support can poison the build.