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# The wrapper script ensures variables like PKG_CONFIG_PATH and
# PKG_CONFIG_PATH_FOR_BUILD work properly.
{ stdenvNoCC
, buildPackages
, pkg-config
, baseBinName ? "pkg-config"
, propagateDoc ? pkg-config != null && pkg-config ? man
, extraPackages ? [], extraBuildCommands ? ""
}:
with stdenvNoCC.lib;
let
stdenv = stdenvNoCC;
inherit (stdenv) hostPlatform targetPlatform;
# Prefix for binaries. Customarily ends with a dash separator.
#
# TODO(@Ericson2314) Make unconditional, or optional but always true by
# default.
targetPrefix = stdenv.lib.optionalString (targetPlatform != hostPlatform)
(targetPlatform.config + "-");
# See description in cc-wrapper.
suffixSalt = replaceStrings ["-" "."] ["_" "_"] targetPlatform.config;
in
stdenv.mkDerivation {
pname = targetPrefix + pkg-config.pname + "-wrapper";
inherit (pkg-config) version;
preferLocalBuild = true;
shell = getBin stdenvNoCC.shell + stdenvNoCC.shell.shellPath or "";
inherit targetPrefix suffixSalt baseBinName;
outputs = [ "out" ] ++ optionals propagateDoc ([ "man" ] ++ optional (pkg-config ? doc) "doc");
passthru = {
inherit pkg-config;
};
dontBuild = true;
dontConfigure = true;
unpackPhase = ''
src=$PWD
'';
installPhase =
''
mkdir -p $out/bin $out/nix-support
wrap() {
local dst="$1"
local wrapper="$2"
export prog="$3"
substituteAll "$wrapper" "$out/bin/$dst"
chmod +x "$out/bin/$dst"
}
echo $pkg-config > $out/nix-support/orig-pkg-config
wrap ${targetPrefix}${baseBinName} ${./pkg-config-wrapper.sh} "${getBin pkg-config}/bin/${baseBinName}"
''
# symlink in share for autoconf to find macros
# TODO(@Ericson2314): in the future just make the unwrapped pkg-config a
# propagated dep once we can rely on downstream deps comming first in
# search paths. (https://github.com/NixOS/nixpkgs/pull/31414 took a crack
# at this.)
+ ''
ln -s ${pkg-config}/share $out/share
'';
strictDeps = true;
wrapperName = "PKG_CONFIG_WRAPPER";
setupHooks = [
../setup-hooks/role.bash
./setup-hook.sh
];
postFixup =
##
## User env support
##
# Propagate the underling unwrapped pkg-config so that if you
# install the wrapper, you get anything else it might provide.
''
printWords ${pkg-config} > $out/nix-support/propagated-user-env-packages
''
##
## Man page and doc support
##
+ optionalString propagateDoc (''
ln -s ${pkg-config.man} $man
'' + optionalString (pkg-config ? doc) ''
ln -s ${pkg-config.doc} $doc
'')
+ ''
substituteAll ${./add-flags.sh} $out/nix-support/add-flags.sh
substituteAll ${../wrapper-common/utils.bash} $out/nix-support/utils.bash
''
##
## Extra custom steps
##
+ extraBuildCommands;
meta =
let pkg-config_ = if pkg-config != null then pkg-config else {}; in
(if pkg-config_ ? meta then removeAttrs pkg-config.meta ["priority"] else {}) //
{ description =
stdenv.lib.attrByPath ["meta" "description"] "pkg-config" pkg-config_
+ " (wrapper script)";
priority = 10;
};
}
|