libstd-rs: Merge .inc into .bb

Signed-off-by: Alex Kiernan <[email protected]>

Author: akiernan

recipes-devtools/rust/libstd-rs.inc

@@ -1,7 +1,45 @@
+SUMMARY = "Rust standard libaries"
+HOMEPAGE = "http://www.rust-lang.org"
+SECTION = "devel"
+LICENSE = "(MIT | Apache-2.0) & Unicode-TOU"
+LIC_FILES_CHKSUM = "file://../../COPYRIGHT;md5=92289ed52a60b63ab715612ad2915603"
+
 require rust-source.inc
-require libstd-rs.inc
 
 # libstd moved from src/libstd to library/std in 1.47+
 S = "${RUSTSRC}/library/std"
 
+RUSTLIB_DEP = ""
+inherit cargo
+
+DEPENDS:append:libc-musl = " libunwind"
+# rv32 does not have libunwind ported yet
+DEPENDS:remove:riscv32 = "libunwind"
+DEPENDS:remove:riscv64 = "libunwind"
+
+# Embed bitcode in order to allow compiling both with and without LTO
+RUSTFLAGS += "-Cembed-bitcode=yes"
+# Needed so cargo can find libbacktrace
+RUSTFLAGS += "-L ${STAGING_LIBDIR} -C link-arg=-Wl,-soname,libstd.so"
+
+CARGO_FEATURES ?= "panic-unwind backtrace"
+CARGO_BUILD_FLAGS += "--features '${CARGO_FEATURES}'"
+CARGO_VENDORING_DIRECTORY = "${RUSTSRC}/vendor"
+
+do_compile:prepend () {
+    export CARGO_TARGET_DIR="${B}"
+    # For Rust 1.13.0 and newer
+    export RUSTC_BOOTSTRAP="1"
+}
+
+do_install () {
+    mkdir -p ${D}${rustlibdir}
+
+    # With the incremental build support added in 1.24, the libstd deps directory also includes dependency
+    # files that get installed. Those are really only needed to incrementally rebuild the libstd library
+    # itself and don't need to be installed.
+    rm -f ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/*.d
+    cp ${B}/${RUST_TARGET_SYS}/${BUILD_DIR}/deps/* ${D}${rustlibdir}
+}
+
 BBCLASSEXTEND = "nativesdk"