require glibc-common.inc require glibc-ld.inc require glibc-testing.inc STAGINGCC = "gcc-cross-initial-${TARGET_ARCH}" STAGINGCC_class-nativesdk = "gcc-crosssdk-initial-${TARGET_ARCH}" PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:" TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_TCBOOTSTRAP}" # glibc can't be built without optimization, if someone tries to compile an # entire image as -O0, we override it with -O2 here and give a note about it. def get_optimization(d): selected_optimization = d.getVar("SELECTED_OPTIMIZATION", True) if bb.utils.contains("SELECTED_OPTIMIZATION", "-O2", "x", "", d) == "x": return selected_optimization elif bb.utils.contains("SELECTED_OPTIMIZATION", "-O", "x", "", d) == "x": bb.note("glibc can't be built with -O, -O -Wno-error will be used instead.") return selected_optimization.replace("-O", "-O -Wno-error") elif bb.utils.contains("SELECTED_OPTIMIZATION", "-O0", "x", "", d) == "x": bb.note("glibc can't be built with -O0, -O2 will be used instead.") return selected_optimization.replace("-O0", "-O2") elif bb.utils.contains("SELECTED_OPTIMIZATION", "-Os", "x", "", d) == "x": bb.note("glibc can't be built with -Os, -Os -Wno-error will be used instead.") return selected_optimization.replace("-Os", "-Os -Wno-error") elif bb.utils.contains("SELECTED_OPTIMIZATION", "-O1", "x", "", d) == "x": bb.note("glibc can't be built with -O1, -O1 -Wno-error will be used instead.") return selected_optimization.replace("-O1", "-O1 -Wno-error") return selected_optimization SELECTED_OPTIMIZATION := "${@get_optimization(d)}" # siteconfig.bbclass runs configure which needs a working compiler # For the compiler to work we need a working libc yet libc isn't # in the sysroots directory at this point. This means the libc.so # linker script won't work as the --sysroot setting isn't correct. # Here we create a hacked up libc linker script and pass in the right # flags to let configure work. Ugly. EXTRASITECONFIG = "CFLAGS='${CFLAGS} -Wl,-L${WORKDIR}/site_config_libc -L${WORKDIR}/site_config_libc -L${SYSROOT_DESTDIR}${libdir} -L${SYSROOT_DESTDIR}${base_libdir} -Wl,-L${SYSROOT_DESTDIR}${libdir} -Wl,-L${SYSROOT_DESTDIR}${base_libdir}'" siteconfig_do_siteconfig_gencache_prepend = " \ mkdir -p ${WORKDIR}/site_config_libc; \ cp ${SYSROOT_DESTDIR}${libdir}/libc.so ${WORKDIR}/site_config_libc; \ sed -i -e 's# ${base_libdir}# ${SYSROOT_DESTDIR}${base_libdir}#g' -e 's# ${libdir}# ${SYSROOT_DESTDIR}${libdir}#g' ${WORKDIR}/site_config_libc/libc.so; \ " # nptl needs unwind support in gcc, which can't be built without glibc. DEPENDS = "virtual/${TARGET_PREFIX}gcc-initial libgcc-initial linux-libc-headers virtual/${TARGET_PREFIX}libc-initial" # nptl needs libgcc but dlopens it, so our shlibs code doesn't detect this #RDEPENDS_${PN} += "${@['','libgcc']['nptl' in '${GLIBC_ADDONS}']}" PROVIDES = "virtual/libc virtual/${TARGET_PREFIX}libc-for-gcc" PROVIDES += "virtual/libintl virtual/libiconv" inherit autotools texinfo distro_features_check require glibc-options.inc # The main purpose of setting this variable is to prevent users from accidently # overriding DISTRO_FEATRUES, causing obscure build failures because of lack # of libc functions. REQUIRED_DISTRO_FEATURES = "${DISTRO_FEATURES_LIBC}" LEAD_SONAME = "libc.so" CACHED_CONFIGUREVARS += " \ ac_cv_path_KSH=${base_bindir}/bash \ ac_cv_path_BASH_SHELL=${base_bindir}/bash \ libc_cv_slibdir=${base_libdir} \ libc_cv_rootsbindir=${base_sbindir} \ libc_cv_localedir=${localedir} \ libc_cv_ssp=no \ " GLIBC_EXTRA_OECONF ?= "" GLIBC_EXTRA_OECONF_class-nativesdk = "" INHIBIT_DEFAULT_DEPS = "1" # This needs to match with glibc-collateral.inc, otherwise glibc-scripts and glibc-locale # will fail to find main glibc, for details see # http://lists.openembedded.org/pipermail/openembedded-core/2015-January/100679.html ARM_INSTRUCTION_SET = "arm" # glibc uses PARALLELMFLAGS variable to pass parallel build info so transfer # PARALLEL_MAKE into PARALLELMFLAGS and empty out PARALLEL_MAKE EGLIBCPARALLELISM := "PARALLELMFLAGS="${PARALLEL_MAKE}"" EXTRA_OEMAKE[vardepsexclude] += "EGLIBCPARALLELISM" EXTRA_OEMAKE += "${EGLIBCPARALLELISM}" PARALLEL_MAKE = "" # glibc make-syscalls.sh has a number of issues with /bin/dash and # it's output which make calls via the SHELL also has issues, so # ensure make uses /bin/bash EXTRA_OEMAKE += "SHELL=/bin/bash" OE_FEATURES = "${@features_to_glibc_settings(d)}" do_configure_prepend() { sed -e "s#@BASH@#/bin/sh#" -i ${S}/elf/ldd.bash.in echo '${OE_FEATURES}' > ${B}/option-groups.config } do_configure_append() { yes '' | oe_runmake config # Remove quotation marks from OPTION_EGLIBC_NSSWITCH_FIXED_*. This will # avoid install error. sed -i 's/^OPTION_EGLIBC_NSSWITCH_FIXED_\(.*\)="\(.*\)"$/OPTION_EGLIBC_NSSWITCH_FIXED_\1=\2/' option-groups.config } GLIBC_ADDONS ?= "nptl,libidn"