3dfa23fcc2
According to glibc-2.18/ports/sysdeps/mips/preconfigure, if no -mabi was passed to CFLAGS, then it defaults to -mabi=n32. This breaks o32 and n64 builds for MIPS64. Therefore, it is necessary to append -mabi to CFLAGS. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
124 lines
3.8 KiB
Makefile
124 lines
3.8 KiB
Makefile
################################################################################
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#
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# glibc/eglibc
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#
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################################################################################
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT_EGLIBC),y)
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GLIBC_VERSION = 2.17-svnr22064
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GLIBC_SITE = http://downloads.yoctoproject.org/releases/eglibc/
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GLIBC_SOURCE = eglibc-$(GLIBC_VERSION).tar.bz2
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GLIBC_SRC_SUBDIR = libc
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else
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GLIBC_VERSION = 2.18
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GLIBC_SITE = $(BR2_GNU_MIRROR)/libc
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GLIBC_SOURCE = glibc-$(GLIBC_VERSION).tar.xz
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GLIBC_SRC_SUBDIR = .
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endif
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GLIBC_LICENSE = GPLv2+ (programs), LGPLv2.1+, BSD-3c, MIT (library)
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GLIBC_LICENSE_FILES = $(addprefix $(GLIBC_SRC_SUBDIR)/,COPYING COPYING.LIB LICENSES)
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# Before (e)glibc is configured, we must have the first stage
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# cross-compiler and the kernel headers
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GLIBC_DEPENDENCIES = host-gcc-initial linux-headers
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# eglibc also needs host-gawk
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT_EGLIBC),y)
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GLIBC_DEPENDENCIES += host-gawk
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endif
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# Before (e)glibc is built, we must have the second stage
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# cross-compiler, for some gcc versions
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glibc-build: $(if $(BR2_TOOLCHAIN_NEEDS_THREE_STAGE_BUILD),host-gcc-intermediate)
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GLIBC_SUBDIR = build
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GLIBC_INSTALL_STAGING = YES
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GLIBC_INSTALL_STAGING_OPT = install_root=$(STAGING_DIR) install
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# Thumb build is broken, build in ARM mode
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ifeq ($(BR2_ARM_INSTRUCTIONS_THUMB),y)
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GLIBC_EXTRA_CFLAGS += -marm
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endif
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# MIPS64 defaults to n32 so pass the correct -mabi if
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# we are using a different ABI. OABI32 is also used
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# in MIPS so we pass -mabi=32 in this case as well
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# even though it's not strictly necessary.
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ifeq ($(BR2_MIPS_NABI64),y)
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GLIBC_EXTRA_CFLAGS += -mabi=64
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else ifeq ($(BR2_MIPS_OABI32),y)
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GLIBC_EXTRA_CFLAGS += -mabi=32
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endif
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# Even though we use the autotools-package infrastructure, we have to
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# override the default configure commands for several reasons:
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#
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# 1. We have to build out-of-tree, but we can't use the same
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# 'symbolic link to configure' used with the gcc packages.
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#
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# 2. We have to execute the configure script with bash and not sh.
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#
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# Note that as mentionned in
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# http://patches.openembedded.org/patch/38849/, eglibc/glibc must be
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# built with -O2, so we pass our own CFLAGS and CXXFLAGS below.
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define GLIBC_CONFIGURE_CMDS
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mkdir -p $(@D)/build
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# Do the configuration
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(cd $(@D)/build; \
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$(TARGET_CONFIGURE_OPTS) \
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CFLAGS="-O2 $(GLIBC_EXTRA_CFLAGS)" CPPFLAGS="" \
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CXXFLAGS="-O2 $(GLIBC_EXTRA_CFLAGS)" \
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$(SHELL) $(@D)/$(GLIBC_SRC_SUBDIR)/configure \
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ac_cv_path_BASH_SHELL=/bin/bash \
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libc_cv_forced_unwind=yes \
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--target=$(GNU_TARGET_NAME) \
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--host=$(GNU_TARGET_NAME) \
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--build=$(GNU_HOST_NAME) \
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--prefix=/usr \
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--enable-shared \
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$(if $(BR2_SOFT_FLOAT),--without-fp,--with-fp) \
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--with-pkgversion="Buildroot" \
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--without-cvs \
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--disable-profile \
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--without-gd \
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--enable-obsolete-rpc \
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--with-headers=$(STAGING_DIR)/usr/include)
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# Install headers and start files
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/build \
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install_root=$(STAGING_DIR) \
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install-bootstrap-headers=yes \
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install-headers
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$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)/build csu/subdir_lib
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cp $(@D)/build/csu/crt1.o $(STAGING_DIR)/usr/lib/
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cp $(@D)/build/csu/crti.o $(STAGING_DIR)/usr/lib/
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cp $(@D)/build/csu/crtn.o $(STAGING_DIR)/usr/lib/
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$(TARGET_CROSS)gcc -nostdlib \
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-nostartfiles -shared -x c /dev/null -o $(STAGING_DIR)/usr/lib/libc.so
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endef
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#
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# We also override the install to target commands since we only want
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# to install the libraries, and nothing more.
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#
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GLIBC_LIBS_LIB = \
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ld*.so libc.so libcrypt.so libdl.so libgcc_s.so libm.so \
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libnsl.so libpthread.so libresolv.so librt.so libutil.so \
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libnss_files.so libnss_dns.so
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ifeq ($(BR2_PACKAGE_GDB_SERVER),y)
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GLIBC_LIBS_LIB += libthread_db.so
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endif
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define GLIBC_INSTALL_TARGET_CMDS
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for libs in $(GLIBC_LIBS_LIB); do \
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$(call copy_toolchain_lib_root,$(STAGING_DIR)/,,lib,$$libs,/lib) ; \
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done
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endef
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$(eval $(autotools-package))
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