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################################################################################
#
# toolchain
#
################################################################################
ifeq ($(BR2_TOOLCHAIN_BUILDROOT),y)
TOOLCHAIN_DEPENDENCIES += toolchain-buildroot
else ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y)
TOOLCHAIN_DEPENDENCIES += toolchain-external
endif
TOOLCHAIN_ADD_TOOLCHAIN_DEPENDENCY = NO
# Apply a hack that Rick Felker suggested[1] to avoid conflicts between libc
# headers and kernel headers. This is a temporary measure until musl finds a
# better solution.
#
# [1] http://www.openwall.com/lists/musl/2015/10/08/2
ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
define TOOLCHAIN_MUSL_KERNEL_HEADERS_COMPATIBILITY_HACK
$(SED) 's/^#if defined(__GLIBC__)$$/#if 1/' \
$(STAGING_DIR)/usr/include/linux/libc-compat.h
endef
TOOLCHAIN_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_MUSL_KERNEL_HEADERS_COMPATIBILITY_HACK
TOOLCHAIN_INSTALL_STAGING = YES
endif
$(eval $(virtual-package))
toolchain: $(HOST_DIR)/usr/share/buildroot/toolchainfile.cmake
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