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