1# Copyright (C) 2014 Khem Raj <raj.khem@gmail.com> 2# Released under the MIT license (see COPYING.MIT for the terms) 3 4require musl.inc 5inherit linuxloader 6 7SRCREV = "43e7efb46555f13a556d92944ac05c19b8929b60" 8 9BASEVER = "1.1.21" 10 11PV = "${BASEVER}+git${SRCPV}" 12 13# mirror is at git://github.com/kraj/musl.git 14 15SRC_URI = "git://git.musl-libc.org/musl \ 16 file://0001-Make-dynamic-linker-a-relative-symlink-to-libc.patch \ 17 file://0002-ldso-Use-syslibdir-and-libdir-as-default-pathes-to-l.patch \ 18 " 19 20S = "${WORKDIR}/git" 21 22PROVIDES += "virtual/libc virtual/libiconv virtual/libintl virtual/crypt" 23 24DEPENDS = "virtual/${TARGET_PREFIX}binutils \ 25 virtual/${TARGET_PREFIX}gcc \ 26 libgcc-initial \ 27 linux-libc-headers \ 28 bsd-headers \ 29 libssp-nonshared \ 30 " 31GLIBC_LDSO = "${@get_glibc_loader(d)}" 32 33export CROSS_COMPILE="${TARGET_PREFIX}" 34 35LDFLAGS += "-Wl,-soname,libc.so" 36 37# When compiling for Thumb or Thumb2, frame pointers _must_ be disabled since the 38# Thumb frame pointer in r7 clashes with musl's use of inline asm to make syscalls 39# (where r7 is used for the syscall NR). In most cases, frame pointers will be 40# disabled automatically due to the optimisation level, but append an explicit 41# -fomit-frame-pointer to handle cases where optimisation is set to -O0 or frame 42# pointers have been enabled by -fno-omit-frame-pointer earlier in CFLAGS, etc. 43CFLAGS_append_arm = " ${@bb.utils.contains('TUNE_CCARGS', '-mthumb', '-fomit-frame-pointer', '', d)}" 44 45CONFIGUREOPTS = " \ 46 --prefix=${prefix} \ 47 --exec-prefix=${exec_prefix} \ 48 --bindir=${bindir} \ 49 --libdir=${libdir} \ 50 --includedir=${includedir} \ 51 --syslibdir=${base_libdir} \ 52" 53 54do_configure() { 55 ${S}/configure ${CONFIGUREOPTS} 56} 57 58do_compile() { 59 oe_runmake 60} 61 62do_install() { 63 oe_runmake install DESTDIR='${D}' 64 65 install -d ${D}${bindir} 66 rm -f ${D}${bindir}/ldd 67 lnr ${D}${libdir}/libc.so ${D}${bindir}/ldd 68 lnr ${D}${libdir}/libc.so ${D}${GLIBC_LDSO} 69 for l in crypt dl m pthread resolv rt util xnet 70 do 71 ln -sf libc.so ${D}${libdir}/lib$l.so 72 done 73 for i in libc.so.6 libcrypt.so.1 libdl.so.2 libm.so.6 libpthread.so.0 libresolv.so.2 librt.so.1 libutil.so.1; do 74 ln -sf libc.so ${D}${libdir}/$i 75 done 76} 77 78PACKAGES =+ "${PN}-glibc-compat" 79 80FILES_${PN}-glibc-compat += "\ 81 ${libdir}/libc.so.6 ${libdir}/libcrypt.so.1 \ 82 ${libdir}/libdl.so.2 ${libdir}/libm.so.6 \ 83 ${libdir}/libpthread.so.0 ${libdir}/libresolv.so.2 \ 84 ${libdir}/librt.so.1 ${libdir}/libutil.so.1 \ 85 ${GLIBC_LDSO} \ 86 " 87 88RDEPENDS_${PN}-dev += "linux-libc-headers-dev bsd-headers-dev libssp-nonshared-staticdev" 89RPROVIDES_${PN}-dev += "libc-dev virtual-libc-dev" 90RPROVIDES_${PN} += "ldd libsegfault rtld(GNU_HASH)" 91 92LEAD_SONAME = "libc.so" 93