freebsd: add libcxx

depends/packages/libcxx.mk

@@ -0,0 +1,61 @@
+package=libcxx
+$(package)_version=$(native_clang_version)
+$(package)_msys2_version=15.0.7-3
+
+ifneq ($(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
+$(package)_sha256_hash_aarch64_linux=8ca4d68cf103da8331ca3f35fe23d940c1b78fb7f0d4763c1c059e352f5d1bec
+$(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=38bc7f5563642e73e69ac5626724e206d6d539fbef653541b34cae0ba9c3f036
+
+# 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.
+# Starting from LLVM 15.0.0, libc++abi is provided by libc++.
+$(package)_download_path=https://repo.msys2.org/mingw/x86_64
+$(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=8c14da21fa9622cc7450b22467452c6c933a03cee526cf8744faea3d4674035b
+
+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 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