1*4882a593SmuzhiyunDESCRIPTION = "klibc is intended to be a minimalistic libc subset for \ 2*4882a593Smuzhiyunuse with initramfs. It is deliberately written for small size, \ 3*4882a593Smuzhiyunminimal entaglement, and portability, not speed." 4*4882a593SmuzhiyunSECTION = "libs" 5*4882a593SmuzhiyunLICENSE = "BSD-3-Clause & GPL-2.0-only & MIT & Zlib" 6*4882a593SmuzhiyunLIC_FILES_CHKSUM = "file://usr/klibc/LICENSE;md5=d75181f10e998c21eb147f6d2e43ce8b" 7*4882a593SmuzhiyunDEPENDS = "linux-libc-headers perl-native" 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunSRC_URI = "${KERNELORG_MIRROR}/linux/libs/klibc/2.0/klibc-${PV}.tar.xz \ 10*4882a593Smuzhiyun ${ARMPATCHES} \ 11*4882a593Smuzhiyun file://klcc-consider-sysroot.patch \ 12*4882a593Smuzhiyun file://klcc-cross-accept-clang-options.patch \ 13*4882a593Smuzhiyun file://0001-dash-Specify-format-string-in-fmtstr.patch \ 14*4882a593Smuzhiyun file://0001-Define-in_-structs-for-non-glibc-system-libs.patch \ 15*4882a593Smuzhiyun file://0001-include-linux-sysinfo.h-directly.patch \ 16*4882a593Smuzhiyun file://0001-mkfifo-Implement-mkfifo.patch \ 17*4882a593Smuzhiyun file://0001-always-use-bfd-linker.patch \ 18*4882a593Smuzhiyun file://0001-arm-Do-not-set-a-fallback-march-and-mtune.patch \ 19*4882a593Smuzhiyun file://0001-klibc_2.0.4-add-kexec_file_load-syscall.patch \ 20*4882a593Smuzhiyun file://0001-klibc-add-getrandom-syscall.patch \ 21*4882a593Smuzhiyun file://0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch \ 22*4882a593Smuzhiyun file://cross-clang.patch \ 23*4882a593Smuzhiyun file://0001-workaround-for-overlapping-sections-in-binary.patch \ 24*4882a593Smuzhiyun " 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunARMPATCHES ?= "" 27*4882a593Smuzhiyun 28*4882a593SmuzhiyunARMPATCHES:arm = " \ 29*4882a593Smuzhiyun file://armv4-fix-v4bx.patch \ 30*4882a593Smuzhiyun " 31*4882a593SmuzhiyunSRC_URI[sha256sum] = "4e48f1398cfe3ce0b6df55ce6e70acf54fc8488e3aea3fb3610ee1622d9cb436" 32*4882a593Smuzhiyun 33*4882a593SmuzhiyunS = "${WORKDIR}/klibc-${PV}" 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunOPTFLAGS = "${TUNE_CCARGS} -Os -fcommon" 36*4882a593SmuzhiyunOPTFLAGS:append:toolchain-clang = " -fno-builtin-bcmp" 37*4882a593SmuzhiyunOPTFLAGS:append:toolchain-clang:mipsarch = " -no-integrated-as" 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunPARALLEL_MAKE = "" 40*4882a593SmuzhiyunEXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \ 41*4882a593Smuzhiyun 'CROSS_COMPILE=${TARGET_PREFIX}' \ 42*4882a593Smuzhiyun 'KLIBCKERNELSRC=${STAGING_DIR_TARGET}${exec_prefix}' \ 43*4882a593Smuzhiyun 'KLIBCLIBGCC=${STAGING_DIR_TARGET}${libdir}/${TARGET_SYS}/*/libgcc.a' \ 44*4882a593Smuzhiyun 'prefix=${exec_prefix}' \ 45*4882a593Smuzhiyun 'INSTALLROOT=${D}' \ 46*4882a593Smuzhiyun 'INSTALLDIR=${libdir}/klibc' \ 47*4882a593Smuzhiyun 'SHLIBDIR=${libdir}' \ 48*4882a593Smuzhiyun '${KLIBCTHUMB}' \ 49*4882a593Smuzhiyun 'KLIBCOPTFLAGS=${OPTFLAGS}' \ 50*4882a593Smuzhiyun V=1 \ 51*4882a593Smuzhiyun " 52*4882a593Smuzhiyun 53*4882a593Smuzhiyunexport FIX_ARMV4_EABI_BX = "${FIX_V4BX}" 54*4882a593SmuzhiyunKLIBCTHUMB = "${@['CONFIG_KLIBC_THUMB=n', 'CONFIG_KLIBC_THUMB=y'][(d.getVar('ARM_INSTRUCTION_SET') == 'thumb')]}" 55*4882a593Smuzhiyun 56*4882a593Smuzhiyundo_configure () { 57*4882a593Smuzhiyun ln -sf "${STAGING_DIR_TARGET}${exec_prefix}" linux 58*4882a593Smuzhiyun} 59*4882a593Smuzhiyun 60*4882a593Smuzhiyundo_compile:prepend:toolchain-clang() { 61*4882a593Smuzhiyun sed -i -e 's#$(KLIBCROSS)gcc#$(KLIBCROSS)clang#g' ${S}/Makefile 62*4882a593Smuzhiyun} 63*4882a593Smuzhiyun 64*4882a593SmuzhiyunINHIBIT_PACKAGE_STRIP = "1" 65*4882a593SmuzhiyunINHIBIT_PACKAGE_DEBUG_SPLIT = "1" 66*4882a593SmuzhiyunINSANE_SKIP:${PN} = "already-stripped" 67*4882a593SmuzhiyunINSANE_SKIP:libklibc-dev = "dev-elf" 68*4882a593SmuzhiyunKLIBC_ARCH = "${TARGET_ARCH}" 69*4882a593SmuzhiyunKLIBC_ARCH:aarch64 = "arm64" 70*4882a593SmuzhiyunKLIBC_ARCH:armeb = "arm" 71*4882a593SmuzhiyunKLIBC_ARCH:mipsel = "mips" 72*4882a593SmuzhiyunKLIBC_ARCH:mips64el = "mips64" 73*4882a593SmuzhiyunKLIBC_ARCH:x86 = "i386" 74*4882a593SmuzhiyunKLIBC_ARCH:x86-64 = "x86_64" 75*4882a593SmuzhiyunKLIBC_ARCH:powerpc = "ppc" 76*4882a593SmuzhiyunKLIBC_ARCH:powerpc64 = "ppc64" 77*4882a593SmuzhiyunKLIBC_ARCH:powerpc64le = "ppc64" 78*4882a593SmuzhiyunTHIS_LIBKLIBC = "libklibc (= ${PV}-${PR})" 79