143 lines
4.6 KiB
Makefile
143 lines
4.6 KiB
Makefile
################################################################################
|
|
#
|
|
# glibc
|
|
#
|
|
################################################################################
|
|
|
|
ifeq ($(BR2_arc),y)
|
|
GLIBC_VERSION = arc-2018.09-release
|
|
GLIBC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,glibc,$(GLIBC_VERSION))
|
|
else
|
|
# Generate version string using:
|
|
# git describe --match 'glibc-*' --abbrev=40 origin/release/MAJOR.MINOR/master
|
|
GLIBC_VERSION = glibc-2.28-50-gb8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa
|
|
# Upstream doesn't officially provide an https download link.
|
|
# There is one (https://sourceware.org/git/glibc.git) but it's not reliable,
|
|
# sometimes the connection times out. So use an unofficial github mirror.
|
|
# When updating the version, check it on the official repository;
|
|
# *NEVER* decide on a version string by looking at the mirror.
|
|
# Then check that the mirror has been synced already (happens once a day.)
|
|
GLIBC_SITE = $(call github,bminor,glibc,$(GLIBC_VERSION))
|
|
endif
|
|
|
|
GLIBC_LICENSE = GPL-2.0+ (programs), LGPL-2.1+, BSD-3-Clause, MIT (library)
|
|
GLIBC_LICENSE_FILES = COPYING COPYING.LIB LICENSES
|
|
|
|
# glibc is part of the toolchain so disable the toolchain dependency
|
|
GLIBC_ADD_TOOLCHAIN_DEPENDENCY = NO
|
|
|
|
# Before glibc is configured, we must have the first stage
|
|
# cross-compiler and the kernel headers
|
|
GLIBC_DEPENDENCIES = host-gcc-initial linux-headers host-bison host-gawk \
|
|
$(BR2_MAKE_HOST_DEPENDENCY)
|
|
|
|
GLIBC_SUBDIR = build
|
|
|
|
GLIBC_INSTALL_STAGING = YES
|
|
|
|
GLIBC_INSTALL_STAGING_OPTS = install_root=$(STAGING_DIR) install
|
|
|
|
# Thumb build is broken, build in ARM mode
|
|
ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
|
|
GLIBC_EXTRA_CFLAGS += -marm
|
|
endif
|
|
|
|
# MIPS64 defaults to n32 so pass the correct -mabi if
|
|
# we are using a different ABI. OABI32 is also used
|
|
# in MIPS so we pass -mabi=32 in this case as well
|
|
# even though it's not strictly necessary.
|
|
ifeq ($(BR2_MIPS_NABI64),y)
|
|
GLIBC_EXTRA_CFLAGS += -mabi=64
|
|
else ifeq ($(BR2_MIPS_OABI32),y)
|
|
GLIBC_EXTRA_CFLAGS += -mabi=32
|
|
endif
|
|
|
|
ifeq ($(BR2_ENABLE_DEBUG),y)
|
|
GLIBC_EXTRA_CFLAGS += -g
|
|
endif
|
|
|
|
# The stubs.h header is not installed by install-headers, but is
|
|
# needed for the gcc build. An empty stubs.h will work, as explained
|
|
# in http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html. The same trick
|
|
# is used by Crosstool-NG.
|
|
ifeq ($(BR2_TOOLCHAIN_BUILDROOT_GLIBC),y)
|
|
define GLIBC_ADD_MISSING_STUB_H
|
|
mkdir -p $(STAGING_DIR)/usr/include/gnu
|
|
touch $(STAGING_DIR)/usr/include/gnu/stubs.h
|
|
endef
|
|
endif
|
|
|
|
GLIBC_CONF_ENV = \
|
|
ac_cv_path_BASH_SHELL=/bin/bash \
|
|
libc_cv_forced_unwind=yes \
|
|
libc_cv_ssp=no
|
|
|
|
# Override the default library locations of /lib64/<abi> and
|
|
# /usr/lib64/<abi>/ for RISC-V.
|
|
ifeq ($(BR2_riscv),y)
|
|
GLIBC_CONF_ENV += libc_cv_slibdir=/lib64 libc_cv_rtlddir=/lib
|
|
endif
|
|
|
|
# glibc requires make >= 4.0 since 2.28 release.
|
|
# https://www.sourceware.org/ml/libc-alpha/2018-08/msg00003.html
|
|
GLIBC_MAKE = $(BR2_MAKE)
|
|
GLIBC_CONF_ENV += ac_cv_prog_MAKE="$(BR2_MAKE)"
|
|
|
|
# Even though we use the autotools-package infrastructure, we have to
|
|
# override the default configure commands for several reasons:
|
|
#
|
|
# 1. We have to build out-of-tree, but we can't use the same
|
|
# 'symbolic link to configure' used with the gcc packages.
|
|
#
|
|
# 2. We have to execute the configure script with bash and not sh.
|
|
#
|
|
# Note that as mentionned in
|
|
# http://patches.openembedded.org/patch/38849/, glibc must be
|
|
# built with -O2, so we pass our own CFLAGS and CXXFLAGS below.
|
|
define GLIBC_CONFIGURE_CMDS
|
|
mkdir -p $(@D)/build
|
|
# Do the configuration
|
|
(cd $(@D)/build; \
|
|
$(TARGET_CONFIGURE_OPTS) \
|
|
CFLAGS="-O2 $(GLIBC_EXTRA_CFLAGS)" CPPFLAGS="" \
|
|
CXXFLAGS="-O2 $(GLIBC_EXTRA_CFLAGS)" \
|
|
$(GLIBC_CONF_ENV) \
|
|
$(SHELL) $(@D)/configure \
|
|
--target=$(GNU_TARGET_NAME) \
|
|
--host=$(GNU_TARGET_NAME) \
|
|
--build=$(GNU_HOST_NAME) \
|
|
--prefix=/usr \
|
|
--enable-shared \
|
|
$(if $(BR2_x86_64),--enable-lock-elision) \
|
|
--with-pkgversion="Buildroot" \
|
|
--without-cvs \
|
|
--disable-profile \
|
|
--without-gd \
|
|
--enable-obsolete-rpc \
|
|
--enable-kernel=$(call qstrip,$(BR2_TOOLCHAIN_HEADERS_AT_LEAST)) \
|
|
--with-headers=$(STAGING_DIR)/usr/include)
|
|
$(GLIBC_ADD_MISSING_STUB_H)
|
|
endef
|
|
|
|
#
|
|
# We also override the install to target commands since we only want
|
|
# to install the libraries, and nothing more.
|
|
#
|
|
|
|
GLIBC_LIBS_LIB = \
|
|
ld*.so.* libanl.so.* libc.so.* libcrypt.so.* libdl.so.* libgcc_s.so.* \
|
|
libm.so.* libpthread.so.* libresolv.so.* librt.so.* \
|
|
libutil.so.* libnss_files.so.* libnss_dns.so.* libmvec.so.*
|
|
|
|
ifeq ($(BR2_PACKAGE_GDB),y)
|
|
GLIBC_LIBS_LIB += libthread_db.so.*
|
|
endif
|
|
|
|
define GLIBC_INSTALL_TARGET_CMDS
|
|
for libpattern in $(GLIBC_LIBS_LIB); do \
|
|
$(call copy_toolchain_lib_root,$$libpattern) ; \
|
|
done
|
|
endef
|
|
|
|
$(eval $(autotools-package))
|