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https://github.com/NixOS/nixpkgs.git
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buildRustCrate: move common build functions to a dedicated file
This means we aren't rebuilding hat file for each crate we are building and the buildPhase expression is a lot easier to comprehent.
This commit is contained in:
Andreas Rammhold
parent
3f49d7a3ea
commit
2eaaf7aafd
@ -3,128 +3,65 @@
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dependencies,
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crateFeatures, crateRenames, libName, release, libPath,
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crateType, metadata, crateBin, hasCrateBin,
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extraRustcOpts, verbose, colors }:
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extraRustcOpts, verbose, colors,
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}:
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let
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deps = mkRustcDepArgs dependencies crateRenames;
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rustcOpts =
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lib.foldl' (opts: opt: opts + " " + opt)
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(if release then "-C opt-level=3" else "-C debuginfo=2")
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(["-C codegen-units=$NIX_BUILD_CORES"] ++ extraRustcOpts);
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baseRustcOpts =
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[(if release then "-C opt-level=3" else "-C debuginfo=2")]
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++ ["-C codegen-units=$NIX_BUILD_CORES"]
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++ [(mkRustcDepArgs dependencies crateRenames)]
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++ [crateFeatures]
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++ extraRustcOpts
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++ lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "--target ${rust.toRustTarget stdenv.hostPlatform} -C linker=${stdenv.hostPlatform.config}-gcc"
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;
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rustcMeta = "-C metadata=${metadata} -C extra-filename=-${metadata}";
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# build the final rustc arguments that can be different between different
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# crates
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libRustcOpts = lib.concatStringsSep " " (
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baseRustcOpts
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++ [rustcMeta]
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++ (map (x: "--crate-type ${x}") crateType)
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);
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binRustcOpts = lib.concatStringsSep " " (
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baseRustcOpts
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);
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in ''
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runHook preBuild
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${echo_build_heading colors}
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${noisily colors verbose}
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build_lib() {
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lib_src=$1
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echo_build_heading $lib_src ${libName}
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# configure & source common build functions
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LIB_RUSTC_OPTS="${libRustcOpts}"
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BIN_RUSTC_OPTS="${binRustcOpts}"
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LIB_EXT="${stdenv.hostPlatform.extensions.sharedLibrary}"
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LIB_PATH="${libPath}"
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LIB_NAME="${libName}"
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source ${./lib.sh}
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noisily rustc --crate-name $CRATE_NAME $lib_src \
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${lib.strings.concatStrings (map (x: " --crate-type ${x}") crateType)} \
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${rustcOpts} ${rustcMeta} ${crateFeatures} --out-dir target/lib \
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--emit=dep-info,link -L dependency=target/deps ${deps} --cap-lints allow \
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$BUILD_OUT_DIR $EXTRA_BUILD $EXTRA_FEATURES --color ${colors}
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EXTRA_LIB=" --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-${metadata}.rlib"
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if [ -e target/deps/lib$CRATE_NAME-${metadata}${stdenv.hostPlatform.extensions.sharedLibrary} ]; then
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EXTRA_LIB="$EXTRA_LIB --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-${metadata}${stdenv.hostPlatform.extensions.sharedLibrary}"
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fi
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}
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build_bin() {
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crate_name=$1
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crate_name_=$(echo $crate_name | tr '-' '_')
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main_file=""
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if [[ ! -z $2 ]]; then
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main_file=$2
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fi
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echo_build_heading $@
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noisily rustc --crate-name $crate_name_ $main_file --crate-type bin ${rustcOpts}\
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${crateFeatures} --out-dir target/bin --emit=dep-info,link -L dependency=target/deps \
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$LINK ${deps}$EXTRA_LIB --cap-lints allow \
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$BUILD_OUT_DIR $EXTRA_BUILD $EXTRA_FEATURES --color ${colors} \
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${if stdenv.hostPlatform != stdenv.buildPlatform then "--target ${rust.toRustTarget stdenv.hostPlatform} -C linker=${stdenv.hostPlatform.config}-gcc" else ""}
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if [ "$crate_name_" != "$crate_name" ]; then
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mv target/bin/$crate_name_ target/bin/$crate_name
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fi
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}
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EXTRA_LIB=""
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CRATE_NAME='${lib.replaceStrings ["-"] ["_"] libName}'
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if [[ -e target/link_ ]]; then
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EXTRA_BUILD="$(cat target/link_) $EXTRA_BUILD"
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fi
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setup_link_paths
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if [[ -e "${libPath}" ]]; then
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build_lib ${libPath}
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if [[ -e "$LIB_PATH" ]]; then
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build_lib $LIB_PATH
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elif [[ -e src/lib.rs ]]; then
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build_lib src/lib.rs
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elif [[ -e src/${libName}.rs ]]; then
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build_lib src/${libName}.rs
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elif [[ -e "src/$LIB_NAME.rs" ]]; then
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build_lib src/$LIB_NAME.rs
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fi
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echo "$EXTRA_LINK_SEARCH" | while read i; do
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if [[ ! -z "$i" ]]; then
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for library in $i; do
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echo "-L $library" >> target/link
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L=$(echo $library | sed -e "s#$(pwd)/target/build#$lib/lib#")
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echo "-L $L" >> target/link.final
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done
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fi
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done
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echo "$EXTRA_LINK" | while read i; do
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if [[ ! -z "$i" ]]; then
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for library in $i; do
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echo "-l $library" >> target/link
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echo "-l $library" >> target/link.final
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done
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fi
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done
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if [[ -e target/link ]]; then
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sort -u target/link.final > target/link.final.sorted
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mv target/link.final.sorted target/link.final
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sort -u target/link > target/link.sorted
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mv target/link.sorted target/link
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tr '\n' ' ' < target/link > target/link_
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LINK=$(cat target/link_)
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fi
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${lib.optionalString (lib.length crateBin > 0) (lib.concatMapStringsSep "\n" (bin: ''
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mkdir -p target/bin
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BIN_NAME='${bin.name or crateName}'
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${if !bin ? path then ''
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# heuristic to "guess" the correct source file as found in cargo:
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# https://github.com/rust-lang/cargo/blob/90fc9f620190d5fa3c80b0c8c65a1e1361e6b8ae/src/cargo/util/toml/targets.rs#L308-L325
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# the first two cases are the "new" default IIRC
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BIN_NAME_='${lib.replaceStrings ["-"] ["_"] bin.name}'
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FILES=( "src/bin/$BIN_NAME.rs" "src/bin/$BIN_NAME/main.rs" "src/bin/$BIN_NAME_.rs" "src/bin/$BIN_NAME_/main.rs" "src/bin/main.rs" "src/main.rs" )
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if ! [ -e "${libPath}" -o -e src/lib.rs -o -e "src/${libName}.rs" ]; then
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# if this is not a library the following path is also valid
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FILES=( "src/$BIN_NAME.rs" "src/$BIN_NAME_.rs" "''${FILES[@]}" )
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fi
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for file in "''${FILES[@]}";
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do
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echo "checking file $file"
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# first file that exists wins
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if [[ -e "$file" ]]; then
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BIN_PATH="$file"
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break
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fi
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done
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if [[ -z "$BIN_PATH" ]]; then
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echo "failed to find file for binary target: $BIN_NAME" >&2
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exit 1
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fi
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BIN_PATH=""
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search_for_bin_path "$BIN_NAME"
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'' else ''
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BIN_PATH='${bin.path}'
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''}
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117
pkgs/build-support/rust/build-rust-crate/lib.sh
Normal file
117
pkgs/build-support/rust/build-rust-crate/lib.sh
Normal file
@ -0,0 +1,117 @@
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build_lib() {
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lib_src=$1
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echo_build_heading $lib_src ${libName}
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noisily rustc \
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--crate-name $CRATE_NAME \
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$lib_src \
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--out-dir target/lib \
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--emit=dep-info,link \
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-L dependency=target/deps \
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--cap-lints allow \
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$LIB_RUSTC_OPTS \
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$BUILD_OUT_DIR \
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$EXTRA_BUILD \
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$EXTRA_FEATURES \
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--color $colors
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EXTRA_LIB=" --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-$metadata.rlib"
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if [ -e target/deps/lib$CRATE_NAME-$metadata$LIB_EXT ]; then
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EXTRA_LIB="$EXTRA_LIB --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-$metadata$LIB_EXT"
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fi
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}
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build_bin() {
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crate_name=$1
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crate_name_=$(echo $crate_name | tr '-' '_')
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main_file=""
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if [[ ! -z $2 ]]; then
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main_file=$2
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fi
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echo_build_heading $@
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noisily rustc \
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--crate-name $crate_name_ \
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$main_file \
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--crate-type bin \
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$BIN_RUSTC_OPTS \
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--out-dir target/bin \
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--emit=dep-info,link \
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-L dependency=target/deps \
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$LINK \
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$EXTRA_LIB \
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--cap-lints allow \
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$BUILD_OUT_DIR \
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$EXTRA_BUILD \
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$EXTRA_FEATURES \
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--color ${colors} \
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if [ "$crate_name_" != "$crate_name" ]; then
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mv target/bin/$crate_name_ target/bin/$crate_name
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fi
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}
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setup_link_paths() {
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EXTRA_LIB=""
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if [[ -e target/link_ ]]; then
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EXTRA_BUILD="$(cat target/link_) $EXTRA_BUILD"
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fi
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echo "$EXTRA_LINK_SEARCH" | while read i; do
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if [[ ! -z "$i" ]]; then
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for library in $i; do
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echo "-L $library" >> target/link
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L=$(echo $library | sed -e "s#$(pwd)/target/build#$lib/lib#")
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echo "-L $L" >> target/link.final
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done
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fi
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done
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echo "$EXTRA_LINK" | while read i; do
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if [[ ! -z "$i" ]]; then
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for library in $i; do
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echo "-l $library" >> target/link
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echo "-l $library" >> target/link.final
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done
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fi
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done
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if [[ -e target/link ]]; then
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sort -u target/link.final > target/link.final.sorted
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mv target/link.final.sorted target/link.final
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sort -u target/link > target/link.sorted
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mv target/link.sorted target/link
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tr '\n' ' ' < target/link > target/link_
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LINK=$(cat target/link_)
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fi
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}
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search_for_bin_path() {
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# heuristic to "guess" the correct source file as found in cargo:
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# https://github.com/rust-lang/cargo/blob/90fc9f620190d5fa3c80b0c8c65a1e1361e6b8ae/src/cargo/util/toml/targets.rs#L308-L325
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BIN_NAME=$1
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BIN_NAME_=$(echo $BIN_NAME | tr '-' '_')
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# the first two cases are the "new" default IIRC
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FILES=( "src/bin/$BIN_NAME.rs" "src/bin/$BIN_NAME/main.rs" "src/bin/$BIN_NAME_.rs" "src/bin/$BIN_NAME_/main.rs" "src/bin/main.rs" "src/main.rs" )
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if ! [ -e "$LIB_PATH" -o -e src/lib.rs -o -e "src/$LIB_NAME.rs" ]; then
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# if this is not a library the following path is also valid
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FILES=( "src/$BIN_NAME.rs" "src/$BIN_NAME_.rs" "${FILES[@]}" )
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fi
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for file in "${FILES[@]}";
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do
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echo "checking file $file"
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# first file that exists wins
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if [[ -e "$file" ]]; then
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BIN_PATH="$file"
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break
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fi
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done
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if [[ -z "$BIN_PATH" ]]; then
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echo "failed to find file for binary target: $BIN_NAME" >&2
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exit 1
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fi
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}
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