2018-09-07 14:08:06 +01:00
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{ lib, stdenv, echo_build_heading, noisily, makeDeps }:
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2019-02-17 23:10:36 +00:00
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{ build
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, buildDependencies
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, colors
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, completeBuildDeps
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, completeDeps
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, crateAuthors
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, crateFeatures
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, crateName
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, crateVersion
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, extraLinkFlags
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, extraRustcOpts
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, libName
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, libPath
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, release
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, target_os
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, verbose
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, workspace_member }:
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2018-09-07 14:08:06 +01:00
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let version_ = lib.splitString "-" crateVersion;
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versionPre = if lib.tail version_ == [] then "" else builtins.elemAt version_ 1;
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version = lib.splitString "." (lib.head version_);
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2019-02-17 23:10:36 +00:00
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rustcOpts = lib.lists.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=1"] ++ extraRustcOpts);
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2018-09-07 14:08:06 +01:00
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buildDeps = makeDeps buildDependencies;
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authors = lib.concatStringsSep ":" crateAuthors;
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optLevel = if release then 3 else 0;
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completeDepsDir = lib.concatStringsSep " " completeDeps;
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completeBuildDepsDir = lib.concatStringsSep " " completeBuildDeps;
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in ''
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cd ${workspace_member}
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runHook preConfigure
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${echo_build_heading colors}
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${noisily colors verbose}
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symlink_dependency() {
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# $1 is the nix-store path of a dependency
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# $2 is the target path
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i=$1
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ln -s -f $i/lib/*.rlib $2 #*/
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ln -s -f $i/lib/*.so $i/lib/*.dylib $2 #*/
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if [ -e "$i/lib/link" ]; then
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cat $i/lib/link >> target/link
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cat $i/lib/link >> target/link.final
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fi
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if [ -e $i/env ]; then
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source $i/env
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fi
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}
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mkdir -p target/{deps,lib,build,buildDeps}
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chmod uga+w target -R
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echo ${extraLinkFlags} > target/link
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echo ${extraLinkFlags} > target/link.final
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for i in ${completeDepsDir}; do
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symlink_dependency $i target/deps
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done
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for i in ${completeBuildDepsDir}; do
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symlink_dependency $i target/buildDeps
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done
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if [[ -e target/link ]]; then
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sort -u target/link > target/link.sorted
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mv target/link.sorted target/link
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sort -u target/link.final > target/link.final.sorted
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mv target/link.final.sorted target/link.final
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tr '\n' ' ' < target/link > target/link_
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fi
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EXTRA_BUILD=""
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BUILD_OUT_DIR=""
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export CARGO_PKG_NAME=${crateName}
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export CARGO_PKG_VERSION=${crateVersion}
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export CARGO_PKG_AUTHORS="${authors}"
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export CARGO_CFG_TARGET_ARCH=${stdenv.hostPlatform.parsed.cpu.name}
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export CARGO_CFG_TARGET_OS=${target_os}
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export CARGO_CFG_TARGET_FAMILY="unix"
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export CARGO_CFG_UNIX=1
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export CARGO_CFG_TARGET_ENV="gnu"
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export CARGO_CFG_TARGET_ENDIAN=${if stdenv.hostPlatform.parsed.cpu.significantByte.name == "littleEndian" then "little" else "big"}
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export CARGO_CFG_TARGET_POINTER_WIDTH=${toString stdenv.hostPlatform.parsed.cpu.bits}
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export CARGO_CFG_TARGET_VENDOR=${stdenv.hostPlatform.parsed.vendor.name}
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export CARGO_MANIFEST_DIR="."
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export DEBUG="${toString (!release)}"
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export OPT_LEVEL="${toString optLevel}"
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export TARGET="${stdenv.hostPlatform.config}"
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export HOST="${stdenv.hostPlatform.config}"
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export PROFILE=${if release then "release" else "debug"}
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export OUT_DIR=$(pwd)/target/build/${crateName}.out
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export CARGO_PKG_VERSION_MAJOR=${builtins.elemAt version 0}
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export CARGO_PKG_VERSION_MINOR=${builtins.elemAt version 1}
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export CARGO_PKG_VERSION_PATCH=${builtins.elemAt version 2}
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2018-11-16 12:12:59 +00:00
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export NUM_JOBS=1
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export RUSTC="rustc"
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2018-12-05 01:21:36 +00:00
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export RUSTDOC="rustdoc"
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2018-09-07 14:08:06 +01:00
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if [[ -n "${versionPre}" ]]; then
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export CARGO_PKG_VERSION_PRE="${versionPre}"
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fi
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BUILD=""
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if [[ ! -z "${build}" ]] ; then
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BUILD=${build}
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elif [[ -e "build.rs" ]]; then
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BUILD="build.rs"
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fi
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if [[ ! -z "$BUILD" ]] ; then
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echo_build_heading "$BUILD" ${libName}
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mkdir -p target/build/${crateName}
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EXTRA_BUILD_FLAGS=""
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if [ -e target/link_ ]; then
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EXTRA_BUILD_FLAGS=$(cat target/link_)
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fi
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if [ -e target/link.build ]; then
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EXTRA_BUILD_FLAGS="$EXTRA_BUILD_FLAGS $(cat target/link.build)"
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fi
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noisily rustc --crate-name build_script_build $BUILD --crate-type bin ${rustcOpts} \
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${crateFeatures} --out-dir target/build/${crateName} --emit=dep-info,link \
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-L dependency=target/buildDeps ${buildDeps} --cap-lints allow $EXTRA_BUILD_FLAGS --color ${colors}
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mkdir -p target/build/${crateName}.out
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export RUST_BACKTRACE=1
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BUILD_OUT_DIR="-L $OUT_DIR"
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mkdir -p $OUT_DIR
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target/build/${crateName}/build_script_build > target/build/${crateName}.opt
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set +e
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EXTRA_BUILD=$(sed -n "s/^cargo:rustc-flags=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u)
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EXTRA_FEATURES=$(sed -n "s/^cargo:rustc-cfg=\(.*\)/--cfg \1/p" target/build/${crateName}.opt | tr '\n' ' ')
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EXTRA_LINK=$(sed -n "s/^cargo:rustc-link-lib=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u)
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EXTRA_LINK_SEARCH=$(sed -n "s/^cargo:rustc-link-search=\(.*\)/\1/p" target/build/${crateName}.opt | tr '\n' ' ' | sort -u)
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for env in $(sed -n "s/^cargo:rustc-env=\(.*\)/\1/p" target/build/${crateName}.opt); do
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export $env
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done
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CRATENAME=$(echo ${crateName} | sed -e "s/\(.*\)-sys$/\U\1/")
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grep -P "^cargo:(?!(rustc-|warning=|rerun-if-changed=|rerun-if-env-changed))" target/build/${crateName}.opt \
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| sed -e "s/cargo:\([^=]*\)=\(.*\)/export DEP_$(echo $CRATENAME)_\U\1\E=\2/" > target/env
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set -e
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if [[ -n "$(ls target/build/${crateName}.out)" ]]; then
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if [[ -e "${libPath}" ]]; then
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cp -r target/build/${crateName}.out/* $(dirname ${libPath}) #*/
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else
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cp -r target/build/${crateName}.out/* src #*/
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fi
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fi
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fi
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runHook postConfigure
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''
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