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toolchain-external: fix musl external support on x86

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On x86, the symbolic link ld-musl-<ARCH>.so.1 to libc.so must be
ld-musl-i386.so.1 in all cases, but $(ARCH) in Buildroot might be
i386, i486, i586, i686, etc. depending on the specific x86 variants
being selected.

This commit fixes that by creating a MUSL_ARCH variable set to i386 on
x86, and to $(ARCH) on other architectures.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Thomas Petazzoni 2014-03-05 23:23:35 +01:00
parent 7fe16abec6
commit e4644b611c
1 changed files with 6 additions and 1 deletions
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7
toolchain/toolchain-external/toolchain-external.mk
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@ -447,8 +447,13 @@ endef
# of the dynamic library loader. We just need to create a symbolic
# link to libc.so with the appropriate name.
ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL),y)
ifeq ($(BR2_i386),y)
MUSL_ARCH = i386
else
MUSL_ARCH = $(ARCH)
endif
define TOOLCHAIN_EXTERNAL_MUSL_LD_LINK
ln -sf libc.so $(TARGET_DIR)/lib/ld-musl-$(ARCH).so.1
ln -sf libc.so $(TARGET_DIR)/lib/ld-musl-$(MUSL_ARCH).so.1
endef
TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_MUSL_LD_LINK
endif