137 lines
4.7 KiB
Bash
137 lines
4.7 KiB
Bash
# The base package for automatic multiple-output splitting. Used in stdenv as well.
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preConfigureHooks+=(_multioutConfig)
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preFixupHooks+=(_multioutDocs)
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preFixupHooks+=(_multioutDevs)
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postFixupHooks+=(_multioutPropagateDev)
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# Assign the first string containing nonempty variable to the variable named $1
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_assignFirst() {
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local varName="$1"
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shift
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while [ $# -ge 1 ]; do
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if [ -n "${!1}" ]; then eval "${varName}"="$1"; return; fi
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shift
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done
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return 1 # none found
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}
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# Same as _assignFirst, but only if "$1" = ""
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_overrideFirst() {
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if [ -z "${!1}" ]; then
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_assignFirst "$@"
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fi
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}
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# Setup chains of sane default values with easy overridability.
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# The variables are global to be usable anywhere during the build.
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_overrideFirst outputDev "dev" "out"
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_overrideFirst outputBin "bin" "out"
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_overrideFirst outputInclude "$outputDev"
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# so-libs are often among the main things to keep, and so go to $out
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_overrideFirst outputLib "lib" "out"
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_overrideFirst outputDoc "doc" "out"
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# man and info pages are small and often useful to distribute with binaries
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_overrideFirst outputMan "man" "doc" "$outputBin"
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_overrideFirst outputInfo "info" "doc" "$outputMan"
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# Make stdenv put propagated*BuildInputs into $outputDev instead of $out
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propagateIntoOutput="${!outputDev}"
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# Add standard flags to put files into the desired outputs.
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_multioutConfig() {
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if [ "$outputs" = "out" ] || [ -z "${setOutputFlags-1}" ]; then return; fi;
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configureFlags="\
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--bindir=${!outputBin}/bin --sbindir=${!outputBin}/sbin \
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--includedir=${!outputInclude}/include --oldincludedir=${!outputInclude}/include \
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--mandir=${!outputMan}/share/man --infodir=${!outputInfo}/share/info \
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--docdir=${!outputDoc}/share/doc \
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--libdir=${!outputLib}/lib --libexecdir=${!outputLib}/libexec \
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$configureFlags"
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installFlags="\
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pkgconfigdir=${!outputDev}/lib/pkgconfig \
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m4datadir=${!outputDev}/share/aclocal aclocaldir=${!outputDev}/share/aclocal \
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$installFlags"
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}
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# Add rpath prefixes to library paths, and avoid stdenv doing it for $out.
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_addRpathPrefix "${!outputLib}"
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NIX_NO_SELF_RPATH=1
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# Move subpaths that match pattern $1 from under any output/ to the $2 output/
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_moveToOutput() {
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local patt="$1"
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local dstOut="$2"
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local output
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for output in $outputs; do
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if [ "${!output}" = "$dstOut" ]; then continue; fi
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local srcPath
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for srcPath in ${!output}/$patt; do
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if [ ! -e "$srcPath" ]; then continue; fi
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local dstPath="$dstOut${srcPath#${!output}}"
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echo "moving $srcPath to $dstPath"
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if [ -d "$dstPath" ] && [ -d "$srcPath" ]
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then # attempt directory merge
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mv -t "$dstPath" "$srcPath"/*
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rmdir "$srcPath"
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else # usual move
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mkdir -p $(readlink -m "$dstPath/..") # create the parent for $dstPath
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mv "$srcPath" "$dstPath"
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fi
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done
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done
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}
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# Move documentation to the desired outputs.
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_multioutDocs() {
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if [ "$outputs" = "out" ]; then return; fi;
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echo "Looking for documentation to move between outputs"
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_moveToOutput share/man "${!outputMan}"
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_moveToOutput share/info "${!outputInfo}"
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_moveToOutput share/doc "${!outputDoc}"
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# Remove empty share directory.
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if [ -d "$out/share" ]; then
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rmdir "$out/share" 2> /dev/null || true
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fi
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}
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# Move development-only stuff to the desired outputs.
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_multioutDevs() {
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if [ "$outputs" = "out" ] || [ -z "${moveToDev-1}" ]; then return; fi;
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echo "Looking for development-only stuff to move between outputs"
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_moveToOutput include "${!outputInclude}"
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_moveToOutput lib/pkgconfig "${!outputDev}"
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_moveToOutput "lib/*.la" "${!outputDev}"
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echo "Patching *.pc includedir to output ${!outputInclude}"
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for f in "${!outputDev}"/lib/pkgconfig/*.pc; do
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sed -i "/^includedir=/s,=\${prefix},=${!outputInclude}," "$f"
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done
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}
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# Make ${!outputDev} propagate other outputs needed for development
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# Note: during the build, probably only the "native" development packages are useful.
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# With current cross-building setup, all packages are "native" if not cross-building.
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_multioutPropagateDev() {
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if [ "$outputs" = "out" ]; then return; fi;
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if [ "${!outputInclude}" != "$propagateIntoOutput" ]; then
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mkdir -p "$propagateIntoOutput"/nix-support
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echo -n " ${!outputInclude}" >> "$propagateIntoOutput"/nix-support/propagated-native-build-inputs
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fi
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if [ "${!outputLib}" != "$propagateIntoOutput" ]; then
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mkdir -p "$propagateIntoOutput"/nix-support
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echo -n " ${!outputLib}" >> "$propagateIntoOutput"/nix-support/propagated-native-build-inputs
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fi
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}
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