93 lines
2.8 KiB
Nix
93 lines
2.8 KiB
Nix
{ lib, stdenv, utils, callPackage, buildGoPackage
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, go, androidPkgs, openjdk, gomobile, xcodeWrapper
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# object with source attributes
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, meta, source
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, platform ? "android"
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, architectures ? [ "arm64" "arm" "x86" ]
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, goBuildFlags ? [ ]
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, goBuildLdFlags ? [ ]
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, outputFileName ? "status-go-${source.shortRev}-${platform}.aar" }:
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let
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inherit (stdenv) isDarwin;
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inherit (lib)
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concatStrings concatStringsSep concatMapStrings optionalString
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getAttr attrValues makeBinPath optional;
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removeReferences = [ go ];
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removeExpr = refs: ''remove-references-to ${concatMapStrings (ref: " -t ${ref}") refs}'';
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# formatted for use with -target
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targetArchs = map (a: "${platform}/${a}") architectures;
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in buildGoPackage {
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pname = source.repo;
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version = "${source.cleanVersion}-${source.shortRev}-${platform}";
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inherit meta;
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inherit (source) src goPackagePath;
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nativeBuildInputs = [ gomobile ]
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++ optional (platform == "android") openjdk
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++ optional isDarwin xcodeWrapper;
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# Fixes Cgo related build failures (see https://github.com/NixOS/nixpkgs/issues/25959 )
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hardeningDisable = [ "fortify" ];
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# Ensure XCode is present for iOS build, instead of failing at the end of the build
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preConfigure = optionalString (isDarwin && platform == "ios") utils.enforceXCodeAvailable;
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# Build mobile libraries
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preBuild = let
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NIX_GOWORKDIR = "$NIX_BUILD_TOP/go-build";
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in ''
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mkdir ${NIX_GOWORKDIR}
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export GO111MODULE=off
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export GOPATH=${gomobile.dev}:$GOPATH
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export NIX_GOWORKDIR=${NIX_GOWORKDIR}
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'' + optionalString (platform == "android") ''
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export ANDROID_HOME=${androidPkgs}
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export ANDROID_NDK_HOME=${androidPkgs}/ndk-bundle
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export PATH="${makeBinPath [ openjdk ]}:$PATH"
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'';
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# Build the Go library using gomobile for each of the configured platforms
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buildPhase = let
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ldFlags = [ "-extldflags=-Wl,--allow-multiple-definition" ] ++ goBuildLdFlags;
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CGO_LDFLAGS = concatStringsSep " " ldFlags;
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in ''
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runHook preBuild
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runHook renameImports
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echo -e "\nBuilding for targets: ${concatStringsSep "," targetArchs}\n"
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${gomobile}/bin/gomobile bind \
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-target=${concatStringsSep "," targetArchs} \
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-ldflags="${CGO_LDFLAGS}" \
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${optionalString (platform == "android") "-androidapi 23"} \
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${optionalString (platform == "ios") "-iosversion=8.0"} \
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${concatStringsSep " " goBuildFlags} \
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-o ${outputFileName} \
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${source.goPackagePath}/mobile
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rm -rf $NIX_GOWORKDIR
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runHook postBuild
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'';
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# replace hardcoded paths to go package in /nix/store, otherwise Nix will fail the build
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fixupPhase = ''
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find $out -type f -exec ${removeExpr removeReferences} '{}' + || true
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'';
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installPhase = ''
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mkdir -p $out
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mv ${outputFileName} $out/
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'';
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outputs = [ "out" ];
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}
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