require glibc-common.inc require glibc-ld.inc require glibc-testing.inc STAGINGCC = "gcc-cross-initial-${TARGET_ARCH}" STAGINGCC_class-nativesdk = "gcc-crosssdk-initial-${SDK_SYS}" PATH_prepend = "${STAGING_BINDIR_TOOLCHAIN}.${STAGINGCC}:" TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_TCBOOTSTRAP}" python () { opt_effective = "-O" for opt in d.getVar('SELECTED_OPTIMIZATION').split(): if opt in ("-O0", "-O", "-O1", "-O2", "-O3", "-Os"): opt_effective = opt if opt_effective == "-O0": bb.fatal("%s can't be built with %s, try -O1 instead" % (d.getVar('PN'), opt_effective)) if opt_effective in ("-O", "-O1", "-Os"): bb.note("%s doesn't build cleanly with %s, adding -Wno-error to SELECTED_OPTIMIZATION" % (d.getVar('PN'), opt_effective)) d.appendVar("SELECTED_OPTIMIZATION", " -Wno-error") } # siteconfig.bbclass runs configure which needs a working compiler # For the compiler to work we need a working libc yet libc isn't # in the sysroots directory at this point. This means the libc.so # linker script won't work as the --sysroot setting isn't correct. # Here we create a hacked up libc linker script and pass in the right # flags to let configure work. Ugly. EXTRASITECONFIG = "CFLAGS='${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/${TARGET_PREFIX}libc-for-gcc" PROVIDES += "virtual/libintl virtual/libiconv" inherit autotools texinfo distro_features_check systemd LEAD_SONAME = "libc.so" CACHED_CONFIGUREVARS += " \ ac_cv_path_BASH_SHELL=${base_bindir}/bash \ libc_cv_slibdir=${base_libdir} \ libc_cv_rootsbindir=${base_sbindir} \ libc_cv_localedir=${localedir} \ libc_cv_ssp_strong=no \ libc_cv_ssp=no \ " GLIBC_EXTRA_OECONF ?= "" GLIBC_EXTRA_OECONF_class-nativesdk = "" INHIBIT_DEFAULT_DEPS = "1" # This needs to match with glibc-collateral.inc, otherwise glibc-scripts and glibc-locale # will fail to find main glibc, for details see # http://lists.openembedded.org/pipermail/openembedded-core/2015-January/100679.html ARM_INSTRUCTION_SET = "arm" # glibc uses PARALLELMFLAGS variable to pass parallel build info so transfer # PARALLEL_MAKE into PARALLELMFLAGS and empty out PARALLEL_MAKE EGLIBCPARALLELISM := "PARALLELMFLAGS="${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" do_configure_prepend() { sed -e "s#@BASH@#/bin/sh#" -i ${S}/elf/ldd.bash.in } GLIBC_ADDONS ?= "nptl,libidn" # Enable backtrace from abort() do_configure_append_arm () { echo "CFLAGS-abort.c = -fasynchronous-unwind-tables" >> ${B}/configparms echo "CFLAGS-raise.c = -fasynchronous-unwind-tables" >> ${B}/configparms }