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# Copyright (C) 2015 Khem Raj <raj.khem@gmail.com>
# Released under the MIT license (see COPYING.MIT for the terms)
DESCRIPTION = "libunwind implements a stack unwinder, needed to perform C++ exception handling."
HOMEPAGE = "http://llvm.org/"
LICENSE = "MIT & NSCA"
SECTION = "base"
INHIBIT_DEFAULT_DEPS = "1"
DEPENDS += "clang-cross-${TARGET_ARCH}"
require clang.inc
inherit cmake
PV .= "+git${SRCPV}"
DEPENDS += "libcxx"
PROVIDES += "libunwind"
LIC_FILES_CHKSUM = "file://../libcxx/LICENSE.TXT;md5=149d2e8e8d99e3a2d702997b5f919fd9; \
"
SRC_URI = "\
${CLANG_GIT}/llvm.git;protocol=${CLANG_GIT_PROTOCOL};branch=${BRANCH};name=llvm \
${CLANG_GIT}/libcxx.git;protocol=${CLANG_GIT_PROTOCOL};branch=${BRANCH};name=libcxx;destsuffix=git/projects/libcxx \
${CLANG_GIT}/libcxxabi.git;protocol=${CLANG_GIT_PROTOCOL};branch=${BRANCH};name=libcxxabi;destsuffix=git/projects/libcxxabi \
${CLANG_GIT}/libunwind.git;protocol=${CLANG_GIT_PROTOCOL};branch=${BRANCH};name=libunwind;destsuffix=git/projects/libunwind \
file://0001-aarch64-Use-x29-and-x30-for-fp-and-lr-respectively.patch \
"
SRCREV_FORMAT = "llvm_libcxx_libcxxabi_libunwind"
S = "${WORKDIR}/git/projects/libunwind"
THUMB_TUNE_CCARGS = ""
TUNE_CCARGS += "-ffreestanding -nostdlib"
EXTRA_OECMAKE += "-DLIBCXXABI_LIBCXX_PATH=${S}/../libcxxabi \
-DLLVM_PATH=${S}/../../ \
-DLLVM_ENABLE_LIBCXX=True \
-DLLVM_ENABLE_LIBCXXABI=True \
-DLLVM_BUILD_EXTERNAL_COMPILER_RT=True \
-DLIBCXXABI_ENABLE_SHARED=False \
-DUNIX=True \
"
do_configure_prepend () {
(cd ${S}/include && ln -sf ../../libcxxabi/include/__cxxabi_config.h)
}
RPROVIDES_${PN} = "libunwind"
BBCLASSEXTEND = "native nativesdk"
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