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# Copyright (C) 2014 Khem Raj <raj.khem@gmail.com>
# Released under the MIT license (see COPYING.MIT for the terms)
require musl.inc
inherit linuxloader
SRCREV = "2c2477da9a553c0b9b2fa18073a5dcdbe6d395af"
BASEVER = "1.1.23"
PV = "${BASEVER}+git${SRCPV}"
# mirror is at git://github.com/kraj/musl.git
SRC_URI = "git://git.musl-libc.org/musl \
file://0001-Make-dynamic-linker-a-relative-symlink-to-libc.patch \
file://0002-ldso-Use-syslibdir-and-libdir-as-default-pathes-to-l.patch \
file://0001-riscv-Define-sigcontext-again.patch \
"
S = "${WORKDIR}/git"
PROVIDES += "virtual/libc virtual/libiconv virtual/libintl virtual/crypt"
DEPENDS = "virtual/${TARGET_PREFIX}binutils \
virtual/${TARGET_PREFIX}gcc \
libgcc-initial \
linux-libc-headers \
bsd-headers \
libssp-nonshared \
"
GLIBC_LDSO = "${@get_glibc_loader(d)}"
export CROSS_COMPILE="${TARGET_PREFIX}"
LDFLAGS += "-Wl,-soname,libc.so"
# When compiling for Thumb or Thumb2, frame pointers _must_ be disabled since the
# Thumb frame pointer in r7 clashes with musl's use of inline asm to make syscalls
# (where r7 is used for the syscall NR). In most cases, frame pointers will be
# disabled automatically due to the optimisation level, but append an explicit
# -fomit-frame-pointer to handle cases where optimisation is set to -O0 or frame
# pointers have been enabled by -fno-omit-frame-pointer earlier in CFLAGS, etc.
CFLAGS_append_arm = " ${@bb.utils.contains('TUNE_CCARGS', '-mthumb', '-fomit-frame-pointer', '', d)}"
CONFIGUREOPTS = " \
--prefix=${prefix} \
--exec-prefix=${exec_prefix} \
--bindir=${bindir} \
--libdir=${libdir} \
--includedir=${includedir} \
--syslibdir=${base_libdir} \
"
do_configure() {
${S}/configure ${CONFIGUREOPTS}
}
do_compile() {
oe_runmake
}
do_install() {
oe_runmake install DESTDIR='${D}'
install -d ${D}${bindir}
rm -f ${D}${bindir}/ldd ${D}${GLIBC_LDSO}
lnr ${D}${libdir}/libc.so ${D}${bindir}/ldd
lnr ${D}${libdir}/libc.so ${D}${GLIBC_LDSO}
for l in crypt dl m pthread resolv rt util xnet
do
ln -sf libc.so ${D}${libdir}/lib$l.so
done
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
ln -sf libc.so ${D}${libdir}/$i
done
}
PACKAGES =+ "${PN}-glibc-compat"
FILES_${PN}-glibc-compat += "\
${libdir}/libc.so.6 ${libdir}/libcrypt.so.1 \
${libdir}/libdl.so.2 ${libdir}/libm.so.6 \
${libdir}/libpthread.so.0 ${libdir}/libresolv.so.2 \
${libdir}/librt.so.1 ${libdir}/libutil.so.1 \
${GLIBC_LDSO} \
"
RDEPENDS_${PN}-dev += "linux-libc-headers-dev bsd-headers-dev libssp-nonshared-staticdev"
RPROVIDES_${PN}-dev += "libc-dev virtual-libc-dev"
RPROVIDES_${PN} += "ldd libsegfault rtld(GNU_HASH)"
LEAD_SONAME = "libc.so"
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