diff options
Diffstat (limited to 'pkgs/build-support/rust/build-rust-crate/lib.sh')
-rw-r--r-- | pkgs/build-support/rust/build-rust-crate/lib.sh | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/pkgs/build-support/rust/build-rust-crate/lib.sh b/pkgs/build-support/rust/build-rust-crate/lib.sh new file mode 100644 index 00000000000..24c712468ea --- /dev/null +++ b/pkgs/build-support/rust/build-rust-crate/lib.sh @@ -0,0 +1,117 @@ +build_lib() { + lib_src=$1 + echo_build_heading $lib_src ${libName} + + noisily rustc \ + --crate-name $CRATE_NAME \ + $lib_src \ + --out-dir target/lib \ + --emit=dep-info,link \ + -L dependency=target/deps \ + --cap-lints allow \ + $LIB_RUSTC_OPTS \ + $BUILD_OUT_DIR \ + $EXTRA_BUILD \ + $EXTRA_FEATURES \ + --color $colors + + EXTRA_LIB=" --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-$metadata.rlib" + if [ -e target/deps/lib$CRATE_NAME-$metadata$LIB_EXT ]; then + EXTRA_LIB="$EXTRA_LIB --extern $CRATE_NAME=target/lib/lib$CRATE_NAME-$metadata$LIB_EXT" + fi +} + +build_bin() { + crate_name=$1 + crate_name_=$(echo $crate_name | tr '-' '_') + main_file="" + if [[ ! -z $2 ]]; then + main_file=$2 + fi + echo_build_heading $@ + noisily rustc \ + --crate-name $crate_name_ \ + $main_file \ + --crate-type bin \ + $BIN_RUSTC_OPTS \ + --out-dir target/bin \ + --emit=dep-info,link \ + -L dependency=target/deps \ + $LINK \ + $EXTRA_LIB \ + --cap-lints allow \ + $BUILD_OUT_DIR \ + $EXTRA_BUILD \ + $EXTRA_FEATURES \ + --color ${colors} \ + + if [ "$crate_name_" != "$crate_name" ]; then + mv target/bin/$crate_name_ target/bin/$crate_name + fi +} + +setup_link_paths() { + EXTRA_LIB="" + if [[ -e target/link_ ]]; then + EXTRA_BUILD="$(cat target/link_) $EXTRA_BUILD" + fi + + echo "$EXTRA_LINK_SEARCH" | while read i; do + if [[ ! -z "$i" ]]; then + for library in $i; do + echo "-L $library" >> target/link + L=$(echo $library | sed -e "s#$(pwd)/target/build#$lib/lib#") + echo "-L $L" >> target/link.final + done + fi + done + echo "$EXTRA_LINK" | while read i; do + if [[ ! -z "$i" ]]; then + for library in $i; do + echo "-l $library" >> target/link + echo "-l $library" >> target/link.final + done + fi + done + + if [[ -e target/link ]]; then + sort -u target/link.final > target/link.final.sorted + mv target/link.final.sorted target/link.final + sort -u target/link > target/link.sorted + mv target/link.sorted target/link + + tr '\n' ' ' < target/link > target/link_ + LINK=$(cat target/link_) + fi +} + +search_for_bin_path() { + # heuristic to "guess" the correct source file as found in cargo: + # https://github.com/rust-lang/cargo/blob/90fc9f620190d5fa3c80b0c8c65a1e1361e6b8ae/src/cargo/util/toml/targets.rs#L308-L325 + + BIN_NAME=$1 + BIN_NAME_=$(echo $BIN_NAME | tr '-' '_') + + # the first two cases are the "new" default IIRC + FILES=( "src/bin/$BIN_NAME.rs" "src/bin/$BIN_NAME/main.rs" "src/bin/$BIN_NAME_.rs" "src/bin/$BIN_NAME_/main.rs" "src/bin/main.rs" "src/main.rs" ) + + if ! [ -e "$LIB_PATH" -o -e src/lib.rs -o -e "src/$LIB_NAME.rs" ]; then + # if this is not a library the following path is also valid + FILES=( "src/$BIN_NAME.rs" "src/$BIN_NAME_.rs" "${FILES[@]}" ) + fi + + for file in "${FILES[@]}"; + do + echo "checking file $file" + # first file that exists wins + if [[ -e "$file" ]]; then + BIN_PATH="$file" + break + fi + done + + if [[ -z "$BIN_PATH" ]]; then + echo "failed to find file for binary target: $BIN_NAME" >&2 + exit 1 + fi +} |