kumquat-buildroot/package/eglibc/eglibc.mk
Gustavo Zacarias 103045534a eglibc/arm: doesn't build in thumb(1) mode
It runs out of registers, so build it in ARM mode, EABI mandates
interworking so this isn't an issue.
Tested in an arm920t board.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2013-07-19 23:46:33 +02:00

103 lines
3.1 KiB
Makefile

################################################################################
#
# eglibc
#
################################################################################
EGLIBC_VERSION = 2.17-svnr22064
EGLIBC_SITE = http://downloads.yoctoproject.org/releases/eglibc/
EGLIBC_SOURCE = eglibc-$(EGLIBC_VERSION).tar.bz2
EGLIBC_LICENSE = GPLv2+ (programs), LGPLv2.1+, BSD-3c, MIT (library)
EGLIBC_LICENSE_FILES = libc/COPYING libc/COPYING.LIB libc/LICENSES
# Before eglibc is configured, we must have the first stage
# cross-compiler and the kernel headers
EGLIBC_DEPENDENCIES = host-gcc-initial linux-headers host-gawk
# Before eglibc is built, we must have the second stage cross-compiler
eglibc-build: host-gcc-intermediate
EGLIBC_SUBDIR = build
EGLIBC_INSTALL_STAGING = YES
EGLIBC_INSTALL_STAGING_OPT = install_root=$(STAGING_DIR) install
# Thumb build is broken, build in ARM mode
ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
EGLIBC_EXTRA_CFLAGS += -marm
endif
# 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.
#
define EGLIBC_CONFIGURE_CMDS
mkdir -p $(@D)/build
# Do the configuration
(cd $(@D)/build; \
$(TARGET_CONFIGURE_OPTS) \
CFLAGS="-O2 $(EGLIBC_EXTRA_CFLAGS)" CPPFLAGS="" \
CXXFLAGS="-O2 $(EGLIBC_EXTRA_CFLAGS)" \
$(SHELL) $(@D)/libc/configure \
ac_cv_path_BASH_SHELL=/bin/bash \
libc_cv_forced_unwind=yes \
--target=$(GNU_TARGET_NAME) \
--host=$(GNU_TARGET_NAME) \
--build=$(GNU_HOST_NAME) \
--prefix=/usr \
--enable-shared \
$(if $(BR2_SOFT_FLOAT),--without-fp,--with-fp) \
--with-pkgversion="Buildroot" \
--without-cvs \
--disable-profile \
--without-gd \
--enable-obsolete-rpc \
--with-headers=$(STAGING_DIR)/usr/include)
# Install headers and start files
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/build \
install_root=$(STAGING_DIR) \
install-bootstrap-headers=yes \
install-headers
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/build csu/subdir_lib
cp $(@D)/build/csu/crt1.o $(STAGING_DIR)/usr/lib/
cp $(@D)/build/csu/crti.o $(STAGING_DIR)/usr/lib/
cp $(@D)/build/csu/crtn.o $(STAGING_DIR)/usr/lib/
$(TARGET_CROSS)gcc -nostdlib \
-nostartfiles -shared -x c /dev/null -o $(STAGING_DIR)/usr/lib/libc.so
endef
#
# We also override the install to target commands since we only want
# to install the libraries, and nothing more.
#
EGLIBC_LIBS_LIB = \
ld*.so libc.so libcrypt.so libdl.so libgcc_s.so libm.so \
libnsl.so libpthread.so libresolv.so librt.so libutil.so \
libnss_files.so libnss_dns.so
ifeq ($(BR2_PACKAGE_GDB_SERVER),y)
EGLIBC_LIBS_LIB += libthread_db.so
endif
ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
EGLIBC_LIBS_USR_LIB += libstdc++.so
endif
define EGLIBC_INSTALL_TARGET_CMDS
for libs in $(EGLIBC_LIBS_LIB); do \
$(call copy_toolchain_lib_root,$(STAGING_DIR)/,,lib,$$libs,/lib) ; \
done
for libs in $(EGLIBC_LIBS_USR_LIB); do \
$(call copy_toolchain_lib_root,$(STAGING_DIR)/,,lib,$$libs,/usr/lib) ; \
done
endef
$(eval $(autotools-package))