diff --git a/package/gcc/Config.in.host b/package/gcc/Config.in.host index dbf0f204fb..111da3bea5 100644 --- a/package/gcc/Config.in.host +++ b/package/gcc/Config.in.host @@ -145,7 +145,7 @@ config BR2_INSTALL_FORTRAN config BR2_GCC_ENABLE_TLS bool "Enable compiler tls support" if BR2_TOOLCHAIN_BUILDROOT_UCLIBC default y - depends on BR2_PTHREADS_NATIVE || BR2_TOOLCHAIN_BUILDROOT_EGLIBC + depends on BR2_PTHREADS_NATIVE || BR2_TOOLCHAIN_BUILDROOT_EGLIBC || BR2_TOOLCHAIN_BUILDROOT_GLIBC help Enable the compiler to generate code for accessing thread local storage variables diff --git a/package/gcc/gcc-final/gcc-final.mk b/package/gcc/gcc-final/gcc-final.mk index 2dbdfab8ea..f627767234 100644 --- a/package/gcc/gcc-final/gcc-final.mk +++ b/package/gcc/gcc-final/gcc-final.mk @@ -80,11 +80,11 @@ endef HOST_GCC_FINAL_POST_INSTALL_HOOKS += HOST_GCC_FINAL_CREATE_SIMPLE_SYMLINKS -# In gcc 4.7.x, the ARM EABIhf library loader path for eglibc was not +# In gcc 4.7.x, the ARM EABIhf library loader path for (e)glibc was not # correct, so we create a symbolic link to make things work # properly. eglibc installs the library loader as ld-linux-armhf.so.3, # but gcc creates binaries that reference ld-linux.so.3. -ifeq ($(BR2_arm)$(BR2_ARM_EABIHF)$(BR2_GCC_VERSION_4_7_X)$(BR2_TOOLCHAIN_BUILDROOT_EGLIBC),yyyy) +ifeq ($(BR2_arm)$(BR2_ARM_EABIHF)$(BR2_GCC_VERSION_4_7_X)$(BR2_TOOLCHAIN_USES_GLIBC),yyyy) define HOST_GCC_FINAL_LD_LINUX_LINK ln -sf ld-linux-armhf.so.3 $(TARGET_DIR)/lib/ld-linux.so.3 ln -sf ld-linux-armhf.so.3 $(STAGING_DIR)/lib/ld-linux.so.3 diff --git a/package/eglibc/eglibc.mk b/package/glibc/glibc.mk similarity index 59% rename from package/eglibc/eglibc.mk rename to package/glibc/glibc.mk index 0ed908d398..4dd2e63204 100644 --- a/package/eglibc/eglibc.mk +++ b/package/glibc/glibc.mk @@ -1,32 +1,46 @@ ################################################################################ # -# eglibc +# glibc/eglibc # ################################################################################ -EGLIBC_VERSION = 2.17-svnr22064 -EGLIBC_SITE = http://downloads.yoctoproject.org/releases/eglibc/ -EGLIBC_SOURCE = eglibc-$(EGLIBC_VERSION).tar.bz2 -EGLIBC_LICENSE = GPLv2+ (programs), LGPLv2.1+, BSD-3c, MIT (library) -EGLIBC_LICENSE_FILES = libc/COPYING libc/COPYING.LIB libc/LICENSES +ifeq ($(BR2_TOOLCHAIN_BUILDROOT_EGLIBC),y) +GLIBC_VERSION = 2.17-svnr22064 +GLIBC_SITE = http://downloads.yoctoproject.org/releases/eglibc/ +GLIBC_SOURCE = eglibc-$(GLIBC_VERSION).tar.bz2 +GLIBC_SRC_SUBDIR = libc +else +GLIBC_VERSION = 2.18 +GLIBC_SITE = $(BR2_GNU_MIRROR)/libc +GLIBC_SOURCE = glibc-$(GLIBC_VERSION).tar.xz +GLIBC_SRC_SUBDIR = . +endif -# Before eglibc is configured, we must have the first stage +GLIBC_LICENSE = GPLv2+ (programs), LGPLv2.1+, BSD-3c, MIT (library) +GLIBC_LICENSE_FILES = $(addprefix $(GLIBC_SRC_SUBDIR)/,COPYING COPYING.LIB LICENSES) + +# Before (e)glibc is configured, we must have the first stage # cross-compiler and the kernel headers -EGLIBC_DEPENDENCIES = host-gcc-initial linux-headers host-gawk +GLIBC_DEPENDENCIES = host-gcc-initial linux-headers -# Before eglibc is built, we must have the second stage +# eglibc also needs host-gawk +ifeq ($(BR2_TOOLCHAIN_BUILDROOT_EGLIBC),y) +GLIBC_DEPENDENCIES += host-gawk +endif + +# Before (e)glibc is built, we must have the second stage # cross-compiler, for some gcc versions -eglibc-build: $(if $(BR2_TOOLCHAIN_NEEDS_THREE_STAGE_BUILD),host-gcc-intermediate) +glibc-build: $(if $(BR2_TOOLCHAIN_NEEDS_THREE_STAGE_BUILD),host-gcc-intermediate) -EGLIBC_SUBDIR = build +GLIBC_SUBDIR = build -EGLIBC_INSTALL_STAGING = YES +GLIBC_INSTALL_STAGING = YES -EGLIBC_INSTALL_STAGING_OPT = install_root=$(STAGING_DIR) install +GLIBC_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 +GLIBC_EXTRA_CFLAGS += -marm endif # Even though we use the autotools-package infrastructure, we have to @@ -38,16 +52,16 @@ endif # 2. We have to execute the configure script with bash and not sh. # # Note that as mentionned in -# http://patches.openembedded.org/patch/38849/, eglibc must be built -# with -O2, so we pass our own CFLAGS and CXXFLAGS below. -define EGLIBC_CONFIGURE_CMDS +# http://patches.openembedded.org/patch/38849/, eglibc/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 $(EGLIBC_EXTRA_CFLAGS)" CPPFLAGS="" \ - CXXFLAGS="-O2 $(EGLIBC_EXTRA_CFLAGS)" \ - $(SHELL) $(@D)/libc/configure \ + CFLAGS="-O2 $(GLIBC_EXTRA_CFLAGS)" CPPFLAGS="" \ + CXXFLAGS="-O2 $(GLIBC_EXTRA_CFLAGS)" \ + $(SHELL) $(@D)/$(GLIBC_SRC_SUBDIR)/configure \ ac_cv_path_BASH_SHELL=/bin/bash \ libc_cv_forced_unwind=yes \ --target=$(GNU_TARGET_NAME) \ @@ -81,17 +95,17 @@ endef # to install the libraries, and nothing more. # -EGLIBC_LIBS_LIB = \ +GLIBC_LIBS_LIB = \ ld*.so libc.so libcrypt.so libdl.so libgcc_s.so libm.so \ libnsl.so libpthread.so libresolv.so librt.so libutil.so \ libnss_files.so libnss_dns.so ifeq ($(BR2_PACKAGE_GDB_SERVER),y) -EGLIBC_LIBS_LIB += libthread_db.so +GLIBC_LIBS_LIB += libthread_db.so endif -define EGLIBC_INSTALL_TARGET_CMDS - for libs in $(EGLIBC_LIBS_LIB); do \ +define GLIBC_INSTALL_TARGET_CMDS + for libs in $(GLIBC_LIBS_LIB); do \ $(call copy_toolchain_lib_root,$(STAGING_DIR)/,,lib,$$libs,/lib) ; \ done endef diff --git a/toolchain/toolchain-buildroot/Config.in b/toolchain/toolchain-buildroot/Config.in index 7a26441a05..060b494736 100644 --- a/toolchain/toolchain-buildroot/Config.in +++ b/toolchain/toolchain-buildroot/Config.in @@ -35,12 +35,34 @@ config BR2_TOOLCHAIN_BUILDROOT_EGLIBC http://eglibc.org +config BR2_TOOLCHAIN_BUILDROOT_GLIBC + bool "glibc (experimental)" + depends on BR2_arm || BR2_armeb || BR2_aarch64 || \ + BR2_i386 || BR2_mips || BR2_mipsel || \ + BR2_mips64 || BR2_mips64el || BR2_powerpc || \ + BR2_sh || BR2_sh64 || BR2_sparc || \ + BR2_x86_64 + select BR2_TOOLCHAIN_USES_GLIBC + # our glibc.mk enables RPC support + select BR2_TOOLCHAIN_HAS_NATIVE_RPC + help + This option selects glibc as the C library for the + cross-compilation toolchain. + + The glibc support in the Buildroot toolchain backend is + very recent, and therefore marked experimental. + + http://www.gnu.org/software/libc/ + endchoice config BR2_TOOLCHAIN_BUILDROOT_LIBC string default "uclibc" if BR2_TOOLCHAIN_BUILDROOT_UCLIBC - default "eglibc" if BR2_TOOLCHAIN_BUILDROOT_EGLIBC + # Both glibc and eglibc are handled by the package called + # 'glibc' + default "glibc" if BR2_TOOLCHAIN_BUILDROOT_EGLIBC + default "glibc" if BR2_TOOLCHAIN_BUILDROOT_GLIBC source "package/uclibc/Config.in"