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#
# Copyright (C) 2006-2020 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
PKG_NAME:=glibc
PKG_VERSION:=2.31
PKG_RELEASE:=1
PKG_SOURCE_PROTO:=git
PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE_VERSION:=6fdf971c9dbf7dac9bea552113fe4694015bbc4d
PKG_MIRROR_HASH:=80998023c237bd0eaa38554e18536d8f66223e97fc5ade015a2d2aadf587d1f0
PKG_SOURCE_URL:=https://sourceware.org/git/glibc.git
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(PKG_SOURCE_SUBDIR)
CUR_BUILD_DIR:=$(HOST_BUILD_DIR)-$(VARIANT)
PATCH_DIR:=$(PATH_PREFIX)/patches
include $(INCLUDE_DIR)/toolchain-build.mk
HOST_STAMP_PREPARED:=$(HOST_BUILD_DIR)/.prepared
HOST_STAMP_CONFIGURED:=$(CUR_BUILD_DIR)/.configured
HOST_STAMP_BUILT:=$(CUR_BUILD_DIR)/.built
HOST_STAMP_INSTALLED:=$(TOOLCHAIN_DIR)/stamp/.glibc_$(VARIANT)_installed
ifeq ($(ARCH),mips64)
ifdef CONFIG_MIPS64_ABI_N64
TARGET_CFLAGS += -mabi=64
endif
ifdef CONFIG_MIPS64_ABI_N32
TARGET_CFLAGS += -mabi=n32
endif
ifdef CONFIG_MIPS64_ABI_O32
TARGET_CFLAGS += -mabi=32
endif
endif
# -Os miscompiles w. 2.24 gcc5/gcc6
# only -O2 tested by upstream changeset
# "Optimize i386 syscall inlining for GCC 5"
GLIBC_CONFIGURE:= \
unset LD_LIBRARY_PATH; \
BUILD_CC="$(HOSTCC)" \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="-O2 $(filter-out -Os,$(call qstrip,$(TARGET_CFLAGS)))" \
libc_cv_slibdir="/lib" \
use_ldconfig=no \
$(HOST_BUILD_DIR)/$(GLIBC_PATH)configure \
--prefix= \
--build=$(GNU_HOST_NAME) \
--host=$(REAL_GNU_TARGET_NAME) \
--with-headers=$(TOOLCHAIN_DIR)/include \
--disable-profile \
--disable-werror \
--without-gd \
--without-cvs \
--enable-add-ons \
--$(if $(CONFIG_SOFT_FLOAT),without,with)-fp \
$(if $(CONFIG_PKG_CC_STACKPROTECTOR_REGULAR),--enable-stack-protector=yes) \
$(if $(CONFIG_PKG_CC_STACKPROTECTOR_STRONG),--enable-stack-protector=strong) \
--enable-kernel=4.14.0
export libc_cv_ssp=no
export libc_cv_ssp_strong=no
export ac_cv_header_cpuid_h=yes
export HOST_CFLAGS := $(HOST_CFLAGS) -idirafter $(CURDIR)/$(PATH_PREFIX)/include
define Host/SetToolchainInfo
$(SED) 's,^\(LIBC_TYPE\)=.*,\1=$(PKG_NAME),' $(TOOLCHAIN_DIR)/info.mk
$(SED) 's,^\(LIBC_URL\)=.*,\1=http://www.gnu.org/software/libc/,' $(TOOLCHAIN_DIR)/info.mk
$(SED) 's,^\(LIBC_VERSION\)=.*,\1=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk
$(SED) 's,^\(LIBC_SO_VERSION\)=.*,\1=$(PKG_VERSION),' $(TOOLCHAIN_DIR)/info.mk
endef
define Host/Configure
[ -f $(HOST_BUILD_DIR)/.autoconf ] || { \
cd $(HOST_BUILD_DIR)/; \
autoconf --force && \
touch $(HOST_BUILD_DIR)/.autoconf; \
}
mkdir -p $(CUR_BUILD_DIR)
( cd $(CUR_BUILD_DIR); rm -f config.cache; \
$(GLIBC_CONFIGURE) \
);
endef
define Host/Prepare
$(call Host/Prepare/Default)
ln -snf $(PKG_SOURCE_SUBDIR) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
endef
define Host/Clean
rm -rf $(CUR_BUILD_DIR)* \
$(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev \
$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
endef
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