aeeb23853a
Because if you were to disable man pages via 'programs.man.enable', the "man" output wouldn't be installed and the info pages would go missing.
208 lines
7.6 KiB
Bash
208 lines
7.6 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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local REMOVE=REMOVE # slightly hacky - we allow REMOVE (i.e. not a variable name)
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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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echo "Error: _assignFirst found no valid variant!"
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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 "$@"
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fi
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}
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# Setup chains of sane default values with easy overridability.
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# The variables are global to be usable anywhere during the build.
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# Typical usage in package is defining outputBin = "dev";
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_overrideFirst outputDev "dev" "out"
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_overrideFirst outputBin "bin" "out"
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_overrideFirst outputInclude "$outputDev"
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# so-libs are often among the main things to keep, and so go to $out
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_overrideFirst outputLib "lib" "out"
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_overrideFirst outputDoc "doc" "out"
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_overrideFirst outputDevdoc "devdoc" REMOVE # documentation for developers
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# man and info pages are small and often useful to distribute with binaries
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_overrideFirst outputMan "man" "$outputBin"
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_overrideFirst outputDevman "devman" "devdoc" "$outputMan"
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_overrideFirst outputInfo "info" "$outputBin"
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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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# try to detect share/doc/${shareDocName}
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# Note: sadly, $configureScript detection comes later in configurePhase,
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# and reordering would cause more trouble than worth.
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if [ -z "$shareDocName" ]; then
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local confScript="$configureScript"
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if [ -z "$confScript" ] && [ -x ./configure ]; then
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confScript=./configure
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fi
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if [ -f "$confScript" ]; then
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local shareDocName="$(sed -n "s/^PACKAGE_TARNAME='\(.*\)'$/\1/p" < "$confScript")"
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fi
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# PACKAGE_TARNAME sometimes contains garbage.
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if [ -n "$shareDocName" ] || echo "$shareDocName" | grep -q '[^a-zA-Z0-9_-]'; then
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shareDocName="$(echo "$name" | sed 's/-[^a-zA-Z].*//')"
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fi
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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=${!outputDoc}/share/doc/${shareDocName} \
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--libdir=${!outputLib}/lib --libexecdir=${!outputLib}/libexec \
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--localedir=${!outputLib}/share/locale \
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$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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# Beware: only globbing patterns are accepted, e.g.: * ? {foo,bar}
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# A special target "REMOVE" is allowed: moveToOutput foo REMOVE
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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}"/$patt; do
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# apply to existing files/dirs, *including* broken symlinks
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if [ ! -e "$srcPath" ] && [ ! -L "$srcPath" ]; then continue; fi
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if [ "$dstOut" = REMOVE ]; then
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echo "Removing $srcPath"
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rm -r "$srcPath"
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else
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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 "$srcPath" ]
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then # attempt directory merge
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# check the case of trying to move an empty directory
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rmdir "$srcPath" --ignore-fail-on-non-empty
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if [ -d "$srcPath" ]; then
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mv -t "$dstPath" "$srcPath"/*
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rmdir "$srcPath"
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fi
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else # usual move
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mkdir -p "$(readlink -m "$dstPath/..")"
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mv "$srcPath" "$dstPath"
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fi
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fi
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# remove empty directories, printing iff at least one gets removed
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local srcParent="$(readlink -m "$srcPath/..")"
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if rmdir "$srcParent"; then
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echo "Removing empty $srcParent/ and (possibly) its parents"
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rmdir -p --ignore-fail-on-non-empty "$(readlink -m "$srcParent/..")" \
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2> /dev/null || true # doesn't ignore failure for some reason
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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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local REMOVE=REMOVE # slightly hacky - we expand ${!outputFoo}
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moveToOutput share/info "${!outputInfo}"
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moveToOutput share/doc "${!outputDoc}"
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moveToOutput share/gtk-doc "${!outputDevdoc}"
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# the default outputMan is in $bin
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moveToOutput share/man "${!outputMan}"
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moveToOutput share/man/man3 "${!outputDevman}"
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}
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# Move development-only stuff to the desired outputs.
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_multioutDevs() {
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if [ "$outputs" = "out" ] || [ -z "${moveToDev-1}" ]; then return; fi;
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moveToOutput include "${!outputInclude}"
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# these files are sometimes provided even without using the corresponding tool
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moveToOutput lib/pkgconfig "${!outputDev}"
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moveToOutput share/pkgconfig "${!outputDev}"
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moveToOutput lib/cmake "${!outputDev}"
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moveToOutput share/aclocal "${!outputDev}"
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# don't move *.la, as libtool needs them in the directory of the library
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for f in "${!outputDev}"/{lib,share}/pkgconfig/*.pc; do
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echo "Patching '$f' includedir to output ${!outputInclude}"
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sed -i "/^includedir=/s,=\${prefix},=${!outputInclude}," "$f"
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done
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}
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# Make the "dev" propagate other outputs needed for development.
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# Note: with current cross-building setup, all packages are "native" if not cross-building;
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# however, if cross-building, the outputs are non-native. We have to choose the right file.
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_multioutPropagateDev() {
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if [ "$outputs" = "out" ]; then return; fi;
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local outputFirst
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for outputFirst in $outputs; do
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break
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done
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local propagaterOutput="$outputDev"
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if [ -z "$propagaterOutput" ]; then
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propagaterOutput="$outputFirst"
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fi
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# Default value: propagate binaries, includes and libraries
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if [ -z "${propagatedBuildOutputs+1}" ]; then
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local po_dirty="$outputBin $outputInclude $outputLib"
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set +o pipefail
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propagatedBuildOutputs=`echo "$po_dirty" \
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| tr -s ' ' '\n' | grep -v -F "$propagaterOutput" \
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| sort -u | tr '\n' ' ' `
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set -o pipefail
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fi
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# The variable was explicitly set to empty or we resolved it so
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if [ -z "$propagatedBuildOutputs" ]; then
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return
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fi
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local propagatedBuildInputsFile
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if [ -z "$crossConfig" ]; then
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propagatedBuildInputsFile=propagated-native-build-inputs
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else
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propagatedBuildInputsFile=propagated-build-inputs
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fi
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mkdir -p "${!propagaterOutput}"/nix-support
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for output in $propagatedBuildOutputs; do
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echo -n " ${!output}" >> "${!propagaterOutput}"/nix-support/$propagatedBuildInputsFile
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done
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}
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