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################################################################################
#
# musl
#
################################################################################
MUSL_VERSION = 1.1.20
MUSL_SITE = http://www.musl-libc.org/releases
MUSL_LICENSE = MIT
MUSL_LICENSE_FILES = COPYRIGHT
# Before musl is configured, we must have the first stage
# cross-compiler and the kernel headers
MUSL_DEPENDENCIES = host-gcc-initial linux-headers
# musl does not provide an implementation for sys/queue.h or sys/cdefs.h.
# So, add the musl-compat-headers package that will install those files,
# into the staging directory:
# sys/queue.h: header from NetBSD
# sys/cdefs.h: minimalist header bundled in Buildroot
MUSL_DEPENDENCIES += musl-compat-headers
# musl is part of the toolchain so disable the toolchain dependency
MUSL_ADD_TOOLCHAIN_DEPENDENCY = NO
MUSL_INSTALL_STAGING = YES
# Thumb build is broken, build in ARM mode, since all architectures
# that support Thumb1 also support ARM.
ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
MUSL_EXTRA_CFLAGS += -marm
endif
define MUSL_CONFIGURE_CMDS
(cd $(@D); \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64,$(TARGET_CFLAGS)) $(MUSL_EXTRA_CFLAGS)" \
CPPFLAGS="$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64,$(TARGET_CPPFLAGS))" \
./configure \
--target=$(GNU_TARGET_NAME) \
--host=$(GNU_TARGET_NAME) \
--prefix=/usr \
--libdir=/lib \
--disable-gcc-wrapper \
--enable-static \
$(if $(BR2_STATIC_LIBS),--disable-shared,--enable-shared))
endef
define MUSL_BUILD_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
endef
define MUSL_INSTALL_STAGING_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
DESTDIR=$(STAGING_DIR) install-libs install-tools install-headers
endef
define MUSL_INSTALL_TARGET_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
DESTDIR=$(TARGET_DIR) install-libs
$(RM) $(addprefix $(TARGET_DIR)/lib/,crt1.o crtn.o crti.o Scrt1.o)
endef
$(eval $(generic-package))
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