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preConfigureHooks+=(_multioutConfig)
preFixupHooks+=(_multioutDocs)
postFixupHooks+=(_multioutPropagateDev)
# Assign the first nonempty string to variable named $1
_assignFirst() {
local varName="$1"
shift
while [ $# -ge 0 ]; do
if [ -n "$1" ]; then eval "${varName}"="$1"; return; fi
shift
done
return 1 # none found
}
# Setup chains of sane default values with easy overridability.
# The variables are global to be usable anywhere during the build.
# ToDo: I was unable to get rid of the double-name redundancy (I hate bash eval ways)
_assignFirst outputDev "$outputDev" "$dev" "$out"
_assignFirst outputBin "$outputBin" "$bin" "$out"
_assignFirst outputInclude "$outputInclude" "$outputDev"
# so-libs are often among the main things to keep, and so go to $out
_assignFirst outputLib "$outputLib" "$lib" "$out"
_assignFirst outputDoc "$outputDoc" "$doc" "$out"
# man and info pages are small and often useful to distribute with binaries
_assignFirst outputMan "$outputMan" "$man" "$outputBin"
_assignFirst outputInfo "$outputInfo" "$info" "$outputMan"
# put propagated*BuildInputs into $outputDev instead of $out
propagateIntoOutput="$outputDev"
# Add standard flags to put files into the desired outputs.
_multioutConfig() {
if [ -n "${setOutputFlags-1}" ]; then
configureFlags="\
--bindir=$outputBin/bin --sbindir=$outputBin/sbin \
--includedir=$outputInclude/include --oldincludedir=$outputInclude/include \
--mandir=$outputMan/share/man --infodir=$outputInfo/share/info --docdir=$outputDoc/share/doc \
--libdir=$outputLib/lib --libexecdir=$outputLib/libexec \
$configureFlags"
installFlags="\
pkgconfigdir=$outputDev/lib/pkgconfig \
m4datadir=$outputDev/share/aclocal aclocaldir=$outputDev/share/aclocal \
$installFlags"
fi
}
# Add rpath prefixes to library paths, and avoid stdenv doing it for $out.
_addRpathPrefix "$outputLib"
NIX_NO_SELF_RPATH=1
_multioutDocs() {
_moveToOutput share/man "$outputMan"
_moveToOutput share/info "$outputInfo"
_moveToOutput share/doc "$outputDoc"
# Remove empty share directory.
if [ -d "$out/share" ]; then
rmdir "$out/share" 2> /dev/null || true
fi
}
_moveToOutput() {
local d="$1"
local dst="$2"
if [ -z "$dst" -a ! -e $dst/$d ]; then return; fi
local output
for output in $outputs; do
if [ "${!output}" = "$dst" ]; then continue; fi
if [ -d "${!output}/$d" ]; then
echo "moving ${!output}/$d to $dst/$d"
mkdir -p $dst/share
mv ${!output}/$d $dst/$d
break
fi
done
}
_multioutPropagateDev() {
if [ "$outputInclude" != "$outputDev" ]; then
mkdir -p "$outputDev"/nix-support
echo "$outputInclude" >> "$outputDev"/nix-support/propagated-build-inputs
fi
if [ "$outputLib" != "$outputDev" ]; then
mkdir -p "$outputDev"/nix-support
echo "$outputLib" >> "$outputDev"/nix-support/propagated-build-inputs
fi
}
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