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| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2016-03-18 22:08:08 +0100 |
|---|---|---|
| committer | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2016-03-30 00:15:14 +0200 |
| commit | 45d7f014517ef7c71b180f5d726d06517d6658c1 (patch) | |
| tree | 95ba992b8680e90da6887f0add4b56f745d67755 | |
| parent | 0bbe85e6ea9ccf9f22bead7c45eaa3a4684200e8 (diff) | |
| download | buildroot-45d7f014517ef7c71b180f5d726d06517d6658c1.tar.gz buildroot-45d7f014517ef7c71b180f5d726d06517d6658c1.zip | |
uclibc: gcc >= 4.9 can build a thumb/thread uclibc
Older gcc were not capable of building a uClibc library, with threads
enabled, in Thumb1. However, the issues have been fixed since gcc 4.9,
so this commit narrows down the condition to just gcc 4.7 and 4.8.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
| -rw-r--r-- | package/uclibc/uclibc.mk | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk index c981d80118..ad94494bcc 100644 --- a/package/uclibc/uclibc.mk +++ b/package/uclibc/uclibc.mk @@ -75,8 +75,10 @@ define UCLIBC_ARM_ABI_CONFIG $(call KCONFIG_ENABLE_OPT,CONFIG_ARM_EABI,$(@D)/.config) endef -# Thumb build is broken with threads, build in ARM mode -ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB)$(BR2_TOOLCHAIN_HAS_THREADS),yy) +# Thumb1 build is broken with threads with old gcc versions (4.7 and +# 4.8). Since all cores supporting Thumb1 also support ARM, we use ARM +# code in this case. +ifeq ($(BR2_GCC_VERSION_4_7_X)$(BR2_GCC_VERSION_4_8_X):$(BR2_ARM_INSTRUCTIONS_THUMB)$(BR2_TOOLCHAIN_HAS_THREADS),y:yy) UCLIBC_EXTRA_CFLAGS += -marm endif |
