1DESCRIPTION = "klibc is intended to be a minimalistic libc subset for \ 2use with initramfs. It is deliberately written for small size, \ 3minimal entaglement, and portability, not speed." 4SECTION = "libs" 5LICENSE = "BSD-3-Clause & GPL-2.0 & MIT & Zlib" 6LIC_FILES_CHKSUM = "file://usr/klibc/LICENSE;md5=d75181f10e998c21eb147f6d2e43ce8b" 7DEPENDS = "linux-libc-headers perl-native" 8 9SRC_URI = "${KERNELORG_MIRROR}/linux/libs/klibc/2.0/klibc-${PV}.tar.xz \ 10 ${ARMPATCHES} \ 11 file://klcc-consider-sysroot.patch \ 12 file://klcc-cross-accept-clang-options.patch \ 13 file://0001-dash-Specify-format-string-in-fmtstr.patch \ 14 file://0001-Define-in_-structs-for-non-glibc-system-libs.patch \ 15 file://0001-include-linux-sysinfo.h-directly.patch \ 16 file://0001-mkfifo-Implement-mkfifo.patch \ 17 file://0001-always-use-bfd-linker.patch \ 18 file://0001-arm-Do-not-set-a-fallback-march-and-mtune.patch \ 19 file://0001-klibc_2.0.4-add-kexec_file_load-syscall.patch \ 20 file://0001-klibc-add-getrandom-syscall.patch \ 21 file://0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch \ 22 file://cross-clang.patch \ 23 file://0001-workaround-for-overlapping-sections-in-binary.patch \ 24 " 25 26ARMPATCHES ?= "" 27 28ARMPATCHES_arm = " \ 29 file://armv4-fix-v4bx.patch \ 30 " 31SRC_URI[sha256sum] = "4e48f1398cfe3ce0b6df55ce6e70acf54fc8488e3aea3fb3610ee1622d9cb436" 32 33S = "${WORKDIR}/klibc-${PV}" 34 35OPTFLAGS = "${TUNE_CCARGS} -Os -fcommon" 36OPTFLAGS_append_toolchain-clang = " -fno-builtin-bcmp" 37OPTFLAGS_append_toolchain-clang_mipsarch = " -no-integrated-as" 38 39PARALLEL_MAKE = "" 40EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \ 41 'CROSS_COMPILE=${TARGET_PREFIX}' \ 42 'KLIBCKERNELSRC=${STAGING_DIR_TARGET}${exec_prefix}' \ 43 'KLIBCLIBGCC=${STAGING_DIR_TARGET}${libdir}/${TARGET_SYS}/*/libgcc.a' \ 44 'prefix=${exec_prefix}' \ 45 'INSTALLROOT=${D}' \ 46 'INSTALLDIR=${libdir}/klibc' \ 47 'SHLIBDIR=${libdir}' \ 48 '${KLIBCTHUMB}' \ 49 'KLIBCOPTFLAGS=${OPTFLAGS}' \ 50 V=1 \ 51 " 52 53export FIX_ARMV4_EABI_BX = "${FIX_V4BX}" 54KLIBCTHUMB = "${@['CONFIG_KLIBC_THUMB=n', 'CONFIG_KLIBC_THUMB=y'][(d.getVar('ARM_INSTRUCTION_SET') == 'thumb')]}" 55 56do_configure () { 57 ln -sf "${STAGING_DIR_TARGET}${exec_prefix}" linux 58} 59 60do_compile_prepend_toolchain-clang() { 61 sed -i -e 's#$(KLIBCROSS)gcc#$(KLIBCROSS)clang#g' ${S}/Makefile 62} 63 64INHIBIT_PACKAGE_STRIP = "1" 65INHIBIT_PACKAGE_DEBUG_SPLIT = "1" 66INSANE_SKIP_${PN} = "already-stripped" 67INSANE_SKIP_libklibc-dev = "dev-elf" 68KLIBC_ARCH = "${TARGET_ARCH}" 69KLIBC_ARCH_aarch64 = "arm64" 70KLIBC_ARCH_armeb = "arm" 71KLIBC_ARCH_mipsel = "mips" 72KLIBC_ARCH_mips64el = "mips64" 73KLIBC_ARCH_x86 = "i386" 74KLIBC_ARCH_x86-64 = "x86_64" 75KLIBC_ARCH_powerpc = "ppc" 76KLIBC_ARCH_powerpc64 = "ppc64" 77KLIBC_ARCH_powerpc64le = "ppc64" 78THIS_LIBKLIBC = "libklibc (= ${PV}-${PR})" 79