| DESCRIPTION = "klibc is intended to be a minimalistic libc subset for \ |
| use with initramfs. It is deliberately written for small size, \ |
| minimal entaglement, and portability, not speed." |
| SECTION = "libs" |
| LICENSE = "BSD-3-Clause & GPL-2.0-only & MIT & Zlib" |
| LIC_FILES_CHKSUM = "file://usr/klibc/LICENSE;md5=d75181f10e998c21eb147f6d2e43ce8b" |
| DEPENDS = "linux-libc-headers perl-native" |
| |
| SRC_URI = "${KERNELORG_MIRROR}/linux/libs/klibc/2.0/klibc-${PV}.tar.xz \ |
| ${ARMPATCHES} \ |
| file://klcc-consider-sysroot.patch \ |
| file://klcc-cross-accept-clang-options.patch \ |
| file://0001-Define-in_-structs-for-non-glibc-system-libs.patch \ |
| file://0001-include-linux-sysinfo.h-directly.patch \ |
| file://0001-mkfifo-Implement-mkfifo.patch \ |
| file://0001-always-use-bfd-linker.patch \ |
| file://0001-arm-Do-not-set-a-fallback-march-and-mtune.patch \ |
| file://0001-klibc_2.0.4-add-kexec_file_load-syscall.patch \ |
| file://0001-klibc-add-getrandom-syscall.patch \ |
| file://0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch \ |
| file://cross-clang.patch \ |
| file://0001-workaround-for-overlapping-sections-in-binary.patch \ |
| file://0001-fcntl-Fix-build-failure-for-some-architectures-with-.patch \ |
| " |
| |
| ARMPATCHES ?= "" |
| |
| ARMPATCHES:arm = " \ |
| file://armv4-fix-v4bx.patch \ |
| " |
| SRC_URI[sha256sum] = "662753da8889e744dfc0db6eb4021c3377ee7ef8ed66d7d57765f8c9e25939cd" |
| |
| S = "${WORKDIR}/klibc-${PV}" |
| |
| OPTFLAGS = "${TUNE_CCARGS} -Os -fcommon" |
| OPTFLAGS:append:toolchain-clang = " -fno-builtin-bcmp" |
| OPTFLAGS:append:toolchain-clang:mipsarch = " -no-integrated-as" |
| |
| PARALLEL_MAKE = "" |
| EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \ |
| 'CROSS_COMPILE=${TARGET_PREFIX}' \ |
| 'KLIBCKERNELSRC=${STAGING_DIR_TARGET}${exec_prefix}' \ |
| 'KLIBCLIBGCC=${STAGING_DIR_TARGET}${libdir}/${TARGET_SYS}/*/libgcc.a' \ |
| 'prefix=${exec_prefix}' \ |
| 'INSTALLROOT=${D}' \ |
| 'INSTALLDIR=${libdir}/klibc' \ |
| 'SHLIBDIR=${libdir}' \ |
| '${KLIBCTHUMB}' \ |
| 'KLIBCOPTFLAGS=${OPTFLAGS}' \ |
| V=1 \ |
| " |
| |
| export FIX_ARMV4_EABI_BX = "${FIX_V4BX}" |
| KLIBCTHUMB = "${@['CONFIG_KLIBC_THUMB=n', 'CONFIG_KLIBC_THUMB=y'][(d.getVar('ARM_INSTRUCTION_SET') == 'thumb')]}" |
| |
| do_configure () { |
| ln -sf "${STAGING_DIR_TARGET}${exec_prefix}" linux |
| } |
| |
| do_compile:prepend:toolchain-clang() { |
| sed -i -e 's#$(KLIBCROSS)gcc#$(KLIBCROSS)clang#g' ${S}/Makefile |
| } |
| |
| INHIBIT_PACKAGE_STRIP = "1" |
| INHIBIT_PACKAGE_DEBUG_SPLIT = "1" |
| INSANE_SKIP:${PN} = "already-stripped" |
| INSANE_SKIP:libklibc-dev = "dev-elf" |
| KLIBC_ARCH = "${TARGET_ARCH}" |
| KLIBC_ARCH:aarch64 = "arm64" |
| KLIBC_ARCH:armeb = "arm" |
| KLIBC_ARCH:mipsel = "mips" |
| KLIBC_ARCH:mips64el = "mips64" |
| KLIBC_ARCH:x86 = "i386" |
| KLIBC_ARCH:x86-64 = "x86_64" |
| KLIBC_ARCH:powerpc = "ppc" |
| KLIBC_ARCH:powerpc64 = "ppc64" |
| KLIBC_ARCH:powerpc64le = "ppc64" |
| THIS_LIBKLIBC = "libklibc (= ${PV}-${PR})" |