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package/gcc: disable libcilkrts when there is no thread support

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The libcilkrts configure script errors out with "Pthreads are required
to build libcilkrts" if the C library doesn't have thread support. To
fix that, we disable libcilkrts when thread support is not available.

This issue was not noticed until now, because we only regularly build
a no-thread toolchain for ARM, and libcilkrts was enabled on ARM only
starting in gcc 7.x.

This fixes the build of no-thread toolchains on architectures where
libcilkrts is supported, i.e x86/x86-64, ARM and Sparc.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Reviewed-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 076fd27da7)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Thomas Petazzoni 2018-10-21 13:54:13 +02:00 committed by Peter Korsgaard
parent df81782687
commit 6e2e798242
1 changed files with 5 additions and 0 deletions
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5
package/gcc/gcc-final/gcc-final.mk
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@ -83,6 +83,11 @@ ifeq ($(BR2_sparc),y)
HOST_GCC_FINAL_CONF_OPTS += --disable-libcilkrts
endif
# Pthreads are required to build libcilkrts
ifeq ($(BR2_PTHREADS_NONE),y)
HOST_GCC_FINAL_CONF_OPTS += --disable-libcilkrts
endif
# Disable shared libs like libstdc++ if we do static since it confuses linking
# In that case also disable libcilkrts as there is no static version
ifeq ($(BR2_STATIC_LIBS),y)