package=libcxx
$(package)_version=$(native_clang_version)
$(package)_msys2_version=14.0.6-1

ifneq ($(canonical_host),$(build))
ifneq ($(host_os),mingw32)
# Clang is provided pre-compiled for a bunch of targets; fetch the one we need
# and stage its copies of the static libraries.
$(package)_download_path=$(native_clang_download_path)
$(package)_download_file_aarch64_linux=clang+llvm-$($(package)_version)-aarch64-linux-gnu.tar.xz
$(package)_file_name_aarch64_linux=clang-llvm-$($(package)_version)-aarch64-linux-gnu.tar.xz
$(package)_sha256_hash_aarch64_linux=1a81fda984f5e607584916fdf69cf41e5385b219b983544d2c1a14950d5a65cf
$(package)_download_file_linux=clang+llvm-$($(package)_version)-x86_64-linux-gnu-ubuntu-18.04.tar.xz
$(package)_file_name_linux=clang-llvm-$($(package)_version)-x86_64-linux-gnu-ubuntu-18.04.tar.xz
$(package)_sha256_hash_linux=61582215dafafb7b576ea30cc136be92c877ba1f1c31ddbbd372d6d65622fef5

# Starting from LLVM 14.0.0, some Clang binary tarballs store libc++ in a
# target-specific subdirectory.
define $(package)_stage_cmds
  mkdir -p $($(package)_staging_prefix_dir)/lib && \
  (test ! -f lib/*/libc++.a    || cp lib/*/libc++.a    $($(package)_staging_prefix_dir)/lib) && \
  (test ! -f lib/*/libc++abi.a || cp lib/*/libc++abi.a $($(package)_staging_prefix_dir)/lib) && \
  (test ! -f lib/libc++.a      || cp lib/libc++.a      $($(package)_staging_prefix_dir)/lib) && \
  (test ! -f lib/libc++abi.a   || cp lib/libc++abi.a   $($(package)_staging_prefix_dir)/lib)
endef

else
# For Windows cross-compilation, use the MSYS2 binaries.
$(package)_download_path=https://repo.msys2.org/mingw/x86_64
$(package)_download_file=mingw-w64-x86_64-libc++-$($(package)_msys2_version)-any.pkg.tar.zst
$(package)_file_name=mingw-w64-x86_64-libcxx-$($(package)_msys2_version)-any.pkg.tar.zst
$(package)_sha256_hash=05f888ec1d82cb989a22ced6b85834c5d9aac46613b15334e6a2806c3d0960a4

$(package)_libcxxabi_download_file=mingw-w64-x86_64-libc++abi-$($(package)_msys2_version)-any.pkg.tar.zst
$(package)_libcxxabi_file_name=mingw-w64-x86_64-libcxxabi-$($(package)_msys2_version)-any.pkg.tar.zst
$(package)_libcxxabi_sha256_hash=0ca22d18cb155f6d230d7f6691c05b876316e0c381195428f063f66352689ca4

$(package)_extra_sources += $($(package)_libcxxabi_file_name)

define $(package)_fetch_cmds
$(call fetch_file,$(package),$($(package)_download_path),$($(package)_download_file),$($(package)_file_name),$($(package)_sha256_hash)) && \
$(call fetch_file,$(package),$($(package)_download_path),$($(package)_libcxxabi_download_file),$($(package)_libcxxabi_file_name),$($(package)_libcxxabi_sha256_hash))
endef

define $(package)_extract_cmds
  mkdir -p $($(package)_extract_dir) && \
  echo "$($(package)_sha256_hash)  $($(package)_source)" > $($(package)_extract_dir)/.$($(package)_file_name).hash && \
  echo "$($(package)_libcxxabi_sha256_hash)  $($(package)_source_dir)/$($(package)_libcxxabi_file_name)" >> $($(package)_extract_dir)/.$($(package)_file_name).hash && \
  $(build_SHA256SUM) -c $($(package)_extract_dir)/.$($(package)_file_name).hash && \
  mkdir -p libcxxabi && \
  tar --no-same-owner --strip-components=1 -C libcxxabi -xf $($(package)_source_dir)/$($(package)_libcxxabi_file_name) && \
  tar --no-same-owner --strip-components=1 -xf $($(package)_source)
endef

define $(package)_stage_cmds
  mkdir -p $($(package)_staging_prefix_dir)/lib && \
  mv include/ $($(package)_staging_prefix_dir) && \
  cp lib/libc++.a $($(package)_staging_prefix_dir)/lib && \
  cp libcxxabi/lib/libc++abi.a $($(package)_staging_prefix_dir)/lib
endef
endif

else
# For native compilation, use the static libraries from native_clang.
# We explicitly stage them so that subsequent dependencies don't link to the
# shared libraries distributed with Clang.
define $(package)_fetch_cmds
endef

define $(package)_extract_cmds
endef

define $(package)_stage_cmds
  mkdir -p $($(package)_staging_prefix_dir)/lib && \
  (test ! -f $(build_prefix)/lib/*/libc++.a    || cp $(build_prefix)/lib/*/libc++.a    $($(package)_staging_prefix_dir)/lib) && \
  (test ! -f $(build_prefix)/lib/*/libc++abi.a || cp $(build_prefix)/lib/*/libc++abi.a $($(package)_staging_prefix_dir)/lib) && \
  (test ! -f $(build_prefix)/lib/libc++.a      || cp $(build_prefix)/lib/libc++.a      $($(package)_staging_prefix_dir)/lib) && \
  (test ! -f $(build_prefix)/lib/libc++abi.a   || cp $(build_prefix)/lib/libc++abi.a   $($(package)_staging_prefix_dir)/lib)
endef

endif