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musl: new package

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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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Thomas Petazzoni 2014-05-05 23:17:01 +02:00 committed by Peter Korsgaard
parent ce6b23a2ee
commit f4b9089c9c
1 changed files with 73 additions and 0 deletions
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package/musl/musl.mk Normal file
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################################################################################
#
# musl
#
################################################################################
MUSL_VERSION = 1.1.0
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 is part of the toolchain so disable the toolchain dependency
MUSL_ADD_TOOLCHAIN_DEPENDENCY = NO
MUSL_INSTALL_STAGING = YES
# We need to run the musl configure script prior to building the
# gcc-intermediate, so that we can call the install-headers step and
# get the crt<X>.o built. However, we need to call it again after
# gcc-intermediate has been built, otherwise the configure script
# doesn't realize that libgcc has been built, and doesn't link the C
# library properly with libgcc, which causes build failure down the
# road. We will have the opportunity to simplify this once we switch
# to a 2-steps gcc build.
define MUSL_CONFIGURE_CALL
(cd $(@D); \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64,$(TARGET_CFLAGS))" \
CPPFLAGS="$(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 \
--disable-gcc-wrapper)
endef
define MUSL_CONFIGURE_CMDS
$(MUSL_CONFIGURE_CALL)
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
DESTDIR=$(STAGING_DIR) install-headers
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
crt/crt1.o crt/crti.o crt/crtn.o
cp $(@D)/crt/crt*.o $(STAGING_DIR)/usr/lib
$(TARGET_CROSS)gcc -nostdlib \
-nostartfiles -shared -x c /dev/null -o $(STAGING_DIR)/usr/lib/libc.so
endef
define MUSL_BUILD_CMDS
$(MUSL_CONFIGURE_CALL)
$(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
endef
# prefix is set to an empty value to get the C library installed in
# /lib and not /usr/lib
define MUSL_INSTALL_TARGET_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
DESTDIR=$(TARGET_DIR) prefix= install-libs
$(RM) $(addprefix $(TARGET_DIR)/lib/,crt1.o crtn.o crti.o Scrt1.o)
endef
$(eval $(generic-package))
# Before musl is built, we must have the second stage cross-compiler
$(MUSL_TARGET_BUILD): | host-gcc-intermediate