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 ${ARMPATCHES} \ 11 file://klcc-consider-sysroot.patch \ 12 file://klcc-cross-accept-clang-options.patch \ 13 file://0001-dash-Specify-format-string-in-fmtstr.patch \ 14 file://0001-Define-in_-structs-for-non-glibc-system-libs.patch \ 15 file://0001-include-linux-sysinfo.h-directly.patch \ 16 file://0001-mkfifo-Implement-mkfifo.patch \ 17 file://0001-always-use-bfd-linker.patch \ 18 file://0001-Kbuild.klibc-Use-print-libgcc-file-name-instead-of-p.patch \ 19 file://0001-Kbuild.klibc-Add-path-to-compiler-headers-via-isyste.patch \ 20 file://0001-arm-Do-not-set-a-fallback-march-and-mtune.patch \ 21 file://0001-klibc_2.0.4-add-kexec_file_load-syscall.patch \ 22 file://0001-klibc-add-getrandom-syscall.patch \ 23 file://0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch \ 24 file://0001-Define-ulocked_-fgets-fread-fwrite-aliases.patch \ 25 " 26 27ARMPATCHES ?= "" 28 29ARMPATCHES_arm = " \ 30 file://armv4-fix-v4bx.patch \ 31 " 32 33SRC_URI[md5sum] = "712f8bc1a069e03d92584b7f5380c521" 34SRC_URI[sha256sum] = "abef2637ca823485d9c90ce9512e2b08a65047ec4da204635eeaef95a41a9122" 35 36S = "${WORKDIR}/klibc-${PV}" 37 38OPTFLAGS = "${TUNE_CCARGS} -Os" 39OPTFLAGS_append_toolchain-clang = " -fno-builtin-bcmp" 40OPTFLAGS_append_toolchain-clang_mipsarch = " -no-integrated-as" 41 42PARALLEL_MAKE = "" 43EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \ 44 'CROSS_COMPILE=${TARGET_PREFIX}' \ 45 'KLIBCKERNELSRC=${STAGING_DIR_TARGET}${exec_prefix}' \ 46 'KLIBCLIBGCC=${STAGING_DIR_TARGET}${libdir}/${TARGET_SYS}/*/libgcc.a' \ 47 'prefix=${exec_prefix}' \ 48 'INSTALLROOT=${D}' \ 49 'INSTALLDIR=${libdir}/klibc' \ 50 'SHLIBDIR=${libdir}' \ 51 '${KLIBCTHUMB}' \ 52 'KLIBCOPTFLAGS=${OPTFLAGS}' \ 53 V=1 \ 54 " 55 56export FIX_ARMV4_EABI_BX = "${FIX_V4BX}" 57KLIBCTHUMB = "${@['CONFIG_KLIBC_THUMB=n', 'CONFIG_KLIBC_THUMB=y'][(d.getVar('ARM_INSTRUCTION_SET') == 'thumb')]}" 58 59do_configure () { 60 ln -sf "${STAGING_DIR_TARGET}${exec_prefix}" linux 61} 62 63do_compile_prepend_toolchain-clang() { 64 sed -i -e 's#$(KLIBCROSS)gcc#$(KLIBCROSS)clang#g' ${S}/Makefile 65} 66 67INHIBIT_PACKAGE_STRIP = "1" 68INHIBIT_PACKAGE_DEBUG_SPLIT = "1" 69INSANE_SKIP_${PN} = "already-stripped" 70INSANE_SKIP_libklibc-dev = "dev-elf" 71KLIBC_ARCH = "${TARGET_ARCH}" 72KLIBC_ARCH_aarch64 = "arm64" 73KLIBC_ARCH_armeb = "arm" 74KLIBC_ARCH_mipsel = "mips" 75KLIBC_ARCH_mips64el = "mips64" 76KLIBC_ARCH_x86 = "i386" 77KLIBC_ARCH_x86-64 = "x86_64" 78KLIBC_ARCH_powerpc = "ppc" 79KLIBC_ARCH_powerpc64 = "ppc64" 80KLIBC_ARCH_powerpc64le = "ppc64" 81THIS_LIBKLIBC = "libklibc (= ${PV}-${PR})" 82