diff --git a/pkgs/build-support/setup-hooks/multiple-outputs.sh b/pkgs/build-support/setup-hooks/multiple-outputs.sh
index d8a9763a0c2f..ad2e5253ea07 100644
--- a/pkgs/build-support/setup-hooks/multiple-outputs.sh
+++ b/pkgs/build-support/setup-hooks/multiple-outputs.sh
@@ -69,8 +69,8 @@ NIX_NO_SELF_RPATH=1
 
 # Move subpaths that match pattern $1 from under any output/ to the $2 output/
 # Beware: only globbing patterns are accepted, e.g.: * ? {foo,bar}
-# A special target "REMOVE" is allowed: _moveToOutput foo REMOVE
-_moveToOutput() {
+# A special target "REMOVE" is allowed: moveToOutput foo REMOVE
+moveToOutput() {
     local patt="$1"
     local dstOut="$2"
     local output
@@ -117,24 +117,24 @@ _multioutDocs() {
     if [ "$outputs" = "out" ]; then return; fi;
     local REMOVE=REMOVE # slightly hacky - we expand ${!outputFoo}
 
-    _moveToOutput share/info "${!outputInfo}"
-    _moveToOutput share/doc "${!outputDoc}"
-    _moveToOutput share/gtk-doc "${!outputDocdev}"
+    moveToOutput share/info "${!outputInfo}"
+    moveToOutput share/doc "${!outputDoc}"
+    moveToOutput share/gtk-doc "${!outputDocdev}"
 
     # the default outputMan is in $bin
-    _moveToOutput share/man "${!outputMan}"
-    _moveToOutput share/man/man3 "${!outputDocdev}"
+    moveToOutput share/man "${!outputMan}"
+    moveToOutput share/man/man3 "${!outputDocdev}"
 }
 
 # Move development-only stuff to the desired outputs.
 _multioutDevs() {
     if [ "$outputs" = "out" ] || [ -z "${moveToDev-1}" ]; then return; fi;
-    _moveToOutput include "${!outputInclude}"
+    moveToOutput include "${!outputInclude}"
     # these files are sometimes provided even without using the corresponding tool
-    _moveToOutput lib/pkgconfig "${!outputDev}"
-    _moveToOutput share/pkgconfig "${!outputDev}"
-    _moveToOutput lib/cmake "${!outputDev}"
-    _moveToOutput share/aclocal "${!outputDev}"
+    moveToOutput lib/pkgconfig "${!outputDev}"
+    moveToOutput share/pkgconfig "${!outputDev}"
+    moveToOutput lib/cmake "${!outputDev}"
+    moveToOutput share/aclocal "${!outputDev}"
     # don't move *.la, as libtool needs them in the directory of the library
 
     for f in "${!outputDev}"/{lib,share}/pkgconfig/*.pc; do
@@ -156,22 +156,22 @@ _multioutPropagateDev() {
     done
 
     # Default value: propagate binaries, includes and libraries
-    if [ -z "${propagatedOutputs+1}" ]; then
+    if [ -z "${propagatedBuildOutputs+1}" ]; then
         local po_dirty="$outputBin $outputInclude $outputLib"
         set +o pipefail
-        propagatedOutputs=`echo "$po_dirty" \
+        propagatedBuildOutputs=`echo "$po_dirty" \
             | tr -s ' ' '\n' | grep -v -F "$outputFirst" \
             | sort -u | tr '\n' ' ' `
         set -o pipefail
     fi
 
     # The variable was explicitly set to empty or we resolved it so
-    if [ -z "$propagatedOutputs" ]; then
+    if [ -z "$propagatedBuildOutputs" ]; then
         return
     fi
 
     mkdir -p "${!outputFirst}"/nix-support
-    for output in $propagatedOutputs; do
+    for output in $propagatedBuildOutputs; do
         echo -n " ${!output}" >> "${!outputFirst}"/nix-support/propagated-native-build-inputs
     done
 }
diff --git a/pkgs/development/compilers/gcc/builder.sh b/pkgs/development/compilers/gcc/builder.sh
index 2f19f4219da6..8d33f88de171 100644
--- a/pkgs/development/compilers/gcc/builder.sh
+++ b/pkgs/development/compilers/gcc/builder.sh
@@ -211,10 +211,10 @@ preInstall() {
 
 postInstall() {
     # Move runtime libraries to $lib.
-    _moveToOutput "lib/lib*.so*" "$lib"
-    _moveToOutput "lib/lib*.la"  "$lib"
+    moveToOutput "lib/lib*.so*" "$lib"
+    moveToOutput "lib/lib*.la"  "$lib"
     ln -s lib "$lib/lib64" # for *.la
-    _moveToOutput "share/gcc-*/python" "$lib"
+    moveToOutput "share/gcc-*/python" "$lib"
 
     for i in "$lib"/lib/*.{la,py}; do
         substituteInPlace "$i" --replace "$out" "$lib"
diff --git a/pkgs/development/interpreters/spidermonkey/17.0.nix b/pkgs/development/interpreters/spidermonkey/17.0.nix
index 8ef3d953bfa4..5cc71b59d512 100644
--- a/pkgs/development/interpreters/spidermonkey/17.0.nix
+++ b/pkgs/development/interpreters/spidermonkey/17.0.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     rm "$lib"/lib/*.a # halve the output size
-    _moveToOutput "bin/js*-config" "$dev" # break the cycle
+    moveToOutput "bin/js*-config" "$dev" # break the cycle
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/interpreters/spidermonkey/24.2.nix b/pkgs/development/interpreters/spidermonkey/24.2.nix
index d235ab04526b..5c4fc8508155 100644
--- a/pkgs/development/interpreters/spidermonkey/24.2.nix
+++ b/pkgs/development/interpreters/spidermonkey/24.2.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     rm "$lib"/lib/*.a # halve the output size
-    _moveToOutput "bin/js*-config" "$dev" # break the cycle
+    moveToOutput "bin/js*-config" "$dev" # break the cycle
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/SDL/default.nix b/pkgs/development/libraries/SDL/default.nix
index 92d7779ba347..fbc446bcabcc 100644
--- a/pkgs/development/libraries/SDL/default.nix
+++ b/pkgs/development/libraries/SDL/default.nix
@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
     sha1 = "3137feb503a89a8d606405373905b92dcf7e293b";
   }) ];
 
-  postFixup = ''_moveToOutput share/aclocal "$dev" '';
+  postFixup = ''moveToOutput share/aclocal "$dev" '';
 
   crossAttrs =stdenv.lib.optionalAttrs (stdenv.cross.libc == "libSystem") {
     patches = let
diff --git a/pkgs/development/libraries/dbus/default.nix b/pkgs/development/libraries/dbus/default.nix
index 7dbc76456fdb..83635d9739f1 100644
--- a/pkgs/development/libraries/dbus/default.nix
+++ b/pkgs/development/libraries/dbus/default.nix
@@ -65,7 +65,7 @@ self =  stdenv.mkDerivation {
 
     # it's executed from $lib by absolute path
     postFixup = ''
-      _moveToOutput bin/dbus-launch "$lib"
+      moveToOutput bin/dbus-launch "$lib"
       ln -s "$lib/bin/dbus-launch" "$out/bin/"
     '';
 
diff --git a/pkgs/development/libraries/ffmpeg/generic.nix b/pkgs/development/libraries/ffmpeg/generic.nix
index 0b45851cc930..d2da77c7b0d6 100644
--- a/pkgs/development/libraries/ffmpeg/generic.nix
+++ b/pkgs/development/libraries/ffmpeg/generic.nix
@@ -153,8 +153,8 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   postFixup = ''
-    _moveToOutput bin "$bin"
-    _moveToOutput share/ffmpeg/examples "$doc"
+    moveToOutput bin "$bin"
+    moveToOutput share/ffmpeg/examples "$doc"
   '';
 
   /* Cross-compilation is untested, consider this an outline, more work
diff --git a/pkgs/development/libraries/glib/default.nix b/pkgs/development/libraries/glib/default.nix
index 5fc574ededb0..d7f40a3bf309 100644
--- a/pkgs/development/libraries/glib/default.nix
+++ b/pkgs/development/libraries/glib/default.nix
@@ -83,7 +83,7 @@ stdenv.mkDerivation rec {
   DETERMINISTIC_BUILD = 1;
 
   postInstall = ''
-    _moveToOutput "share/glib-2.0" "$dev"
+    moveToOutput "share/glib-2.0" "$dev"
     substituteInPlace "$dev/bin/gdbus-codegen" --replace "$out" "$dev"
     sed -i "$dev/bin/glib-gettextize" -e "s|^gettext_dir=.*|gettext_dir=$dev/share/glib-2.0/gettext|"
   '';
diff --git a/pkgs/development/libraries/gobject-introspection/setup-hook.sh b/pkgs/development/libraries/gobject-introspection/setup-hook.sh
index 78a8ccf19d34..583d8475ec3b 100644
--- a/pkgs/development/libraries/gobject-introspection/setup-hook.sh
+++ b/pkgs/development/libraries/gobject-introspection/setup-hook.sh
@@ -14,7 +14,7 @@ make_gobject_introspection_find_gir_files() {
 envHooks+=(make_gobject_introspection_find_gir_files)
 
 _multioutMoveGlibGir() {
-  _moveToOutput share/gir-1.0 "${!outputDev}"
+  moveToOutput share/gir-1.0 "${!outputDev}"
 }
 
 preFixupHooks+=(_multioutMoveGlibGir)
diff --git a/pkgs/development/libraries/gtk+/2.x.nix b/pkgs/development/libraries/gtk+/2.x.nix
index daa2cb1efb4c..bc129d9f1fb6 100644
--- a/pkgs/development/libraries/gtk+/2.x.nix
+++ b/pkgs/development/libraries/gtk+/2.x.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     else "--with-xinput=yes";
 
   postInstall = ''
-    _moveToOutput share/gtk-2.0/demo "$docdev"
+    moveToOutput share/gtk-2.0/demo "$docdev"
   '';
 
   passthru = {
diff --git a/pkgs/development/libraries/icu/default.nix b/pkgs/development/libraries/icu/default.nix
index bc8c62230acf..58eb2e22781d 100644
--- a/pkgs/development/libraries/icu/default.nix
+++ b/pkgs/development/libraries/icu/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
     sed -i 's/INSTALL_CMD=.*install/INSTALL_CMD=install/' $out/lib/icu/${version}/pkgdata.inc
   '';
 
-  postFixup = ''_moveToOutput lib/icu "$dev" '';
+  postFixup = ''moveToOutput lib/icu "$dev" '';
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/development/libraries/libav/default.nix b/pkgs/development/libraries/libav/default.nix
index a3d2d3fde303..78b1eef2ccfc 100644
--- a/pkgs/development/libraries/libav/default.nix
+++ b/pkgs/development/libraries/libav/default.nix
@@ -81,7 +81,7 @@ let
     setOutputFlags = false;
 
     # move tools away to lighten runtime deps and size
-    postInstall = ''_moveToOutput bin "$bin" '';
+    postInstall = ''moveToOutput bin "$bin" '';
 
     doInstallCheck = false; # fails randomly
     installCheckTarget = "check"; # tests need to be run *after* installation
diff --git a/pkgs/development/libraries/libvpx/default.nix b/pkgs/development/libraries/libvpx/default.nix
index c33c5d9ad01e..5c593dd1f75e 100644
--- a/pkgs/development/libraries/libvpx/default.nix
+++ b/pkgs/development/libraries/libvpx/default.nix
@@ -149,7 +149,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  postInstall = ''_moveToOutput bin "$bin" '';
+  postInstall = ''moveToOutput bin "$bin" '';
 
   crossAttrs = let
     isCygwin = stdenv.cross.libc == "msvcrt";
diff --git a/pkgs/development/libraries/libvpx/git.nix b/pkgs/development/libraries/libvpx/git.nix
index bfe1f9424cd5..064fb807a214 100644
--- a/pkgs/development/libraries/libvpx/git.nix
+++ b/pkgs/development/libraries/libvpx/git.nix
@@ -150,7 +150,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  postInstall = ''_moveToOutput bin "$bin" '';
+  postInstall = ''moveToOutput bin "$bin" '';
 
   crossAttrs = let
     isCygwin = stdenv.cross.libc == "msvcrt";
diff --git a/pkgs/development/libraries/libxml2/default.nix b/pkgs/development/libraries/libxml2/default.nix
index af71c05a1c87..2b2b1d81a16d 100644
--- a/pkgs/development/libraries/libxml2/default.nix
+++ b/pkgs/development/libraries/libxml2/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   outputs = [ "dev" "out" "bin" "doc" "py" ];
-  propagatedOutputs = "out bin py";
+  propagatedBuildOutputs = "out bin py";
 
   buildInputs = [ python ]
     # Libxml2 has an optional dependency on liblzma.  However, on impure
@@ -32,9 +32,9 @@ stdenv.mkDerivation rec {
   installFlags = ''pythondir="$(py)/lib/${python.libPrefix}/site-packages"'';
 
   postFixup = ''
-    _moveToOutput bin/xml2-config "$dev"
-    _moveToOutput lib/xml2Conf.sh "$dev"
-    _moveToOutput share/man/man1 "$bin"
+    moveToOutput bin/xml2-config "$dev"
+    moveToOutput lib/xml2Conf.sh "$dev"
+    moveToOutput share/man/man1 "$bin"
   '';
 
   passthru = { inherit version; pythonSupport = true; };
diff --git a/pkgs/development/libraries/libxslt/default.nix b/pkgs/development/libraries/libxslt/default.nix
index dc74d8e95eeb..2784093d50aa 100644
--- a/pkgs/development/libraries/libxslt/default.nix
+++ b/pkgs/development/libraries/libxslt/default.nix
@@ -25,9 +25,9 @@ stdenv.mkDerivation rec {
   ];
 
   postFixup = ''
-    _moveToOutput bin/xslt-config "$dev"
-    _moveToOutput lib/xsltConf.sh "$dev"
-    _moveToOutput share/man/man1 "$bin"
+    moveToOutput bin/xslt-config "$dev"
+    moveToOutput lib/xsltConf.sh "$dev"
+    moveToOutput share/man/man1 "$bin"
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/nspr/default.nix b/pkgs/development/libraries/nspr/default.nix
index ef4dde42597a..b02611944148 100644
--- a/pkgs/development/libraries/nspr/default.nix
+++ b/pkgs/development/libraries/nspr/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   postInstall = ''
     find $out -name "*.a" -delete
-    _moveToOutput share "$dev" # just aclocal
+    moveToOutput share "$dev" # just aclocal
   '';
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/nss/default.nix b/pkgs/development/libraries/nss/default.nix
index 20290b4c87a2..12c44c4cae0c 100644
--- a/pkgs/development/libraries/nss/default.nix
+++ b/pkgs/development/libraries/nss/default.nix
@@ -77,9 +77,9 @@ in stdenv.mkDerivation rec {
       LD_LIBRARY_PATH=$out/lib $out/bin/shlibsign -v -i "$libfile"
     done
 
-    _moveToOutput bin "$tools"
-    _moveToOutput bin/nss-config "$dev"
-    _moveToOutput lib/libcrmf.a "$dev" # needed by firefox, for example
+    moveToOutput bin "$tools"
+    moveToOutput bin/nss-config "$dev"
+    moveToOutput lib/libcrmf.a "$dev" # needed by firefox, for example
     rm "$out"/lib/*.a
   '';
 
diff --git a/pkgs/development/libraries/pcre/default.nix b/pkgs/development/libraries/pcre/default.nix
index fa4a640bd0b0..0056ac3ffac6 100644
--- a/pkgs/development/libraries/pcre/default.nix
+++ b/pkgs/development/libraries/pcre/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
     # we are running out of stack on both freeBSDs on Hydra
 
   postFixup = ''
-    _moveToOutput bin/pcre-config "$dev"
+    moveToOutput bin/pcre-config "$dev"
   ''
     + optionalString (variant != null) ''
     ln -sf -t "$out/lib/" '${pcre.out}'/lib/libpcre{,posix}.so.*.*.*
diff --git a/pkgs/development/libraries/zlib/default.nix b/pkgs/development/libraries/zlib/default.nix
index 4f2b9a594e52..9fe45996b107 100644
--- a/pkgs/development/libraries/zlib/default.nix
+++ b/pkgs/development/libraries/zlib/default.nix
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   configureFlags = stdenv.lib.optional (!static) "--shared";
 
   postInstall = ''
-    _moveToOutput lib/libz.a "$static"
+    moveToOutput lib/libz.a "$static"
   ''
     # jww (2015-01-06): Sometimes this library install as a .so, even on
     # Darwin; others time it installs as a .dylib.  I haven't yet figured out
diff --git a/pkgs/development/tools/build-managers/cmake/default.nix b/pkgs/development/tools/build-managers/cmake/default.nix
index 196d709447dd..f97b7b432ea3 100644
--- a/pkgs/development/tools/build-managers/cmake/default.nix
+++ b/pkgs/development/tools/build-managers/cmake/default.nix
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
 
   preInstall = ''mkdir "$doc" '';
 
-  postInstall = ''_moveToOutput "share/cmake-*/Help" "$doc" '';
+  postInstall = ''moveToOutput "share/cmake-*/Help" "$doc" '';
 
   meta = with stdenv.lib; {
     homepage = http://www.cmake.org/;
diff --git a/pkgs/os-specific/linux/kernel/manual-config.nix b/pkgs/os-specific/linux/kernel/manual-config.nix
index 49b93b1a10ea..3882638ee954 100644
--- a/pkgs/os-specific/linux/kernel/manual-config.nix
+++ b/pkgs/os-specific/linux/kernel/manual-config.nix
@@ -74,7 +74,7 @@ let
 
       installsFirmware = (config.isEnabled "FW_LOADER") &&
         (isModular || (config.isDisabled "FIRMWARE_IN_KERNEL"));
-    in (optionalAttrs isModular { outputs = [ "out" "dev" ]; propagatedOutputs = ""; }) // {
+    in (optionalAttrs isModular { outputs = [ "out" "dev" ]; propagatedBuildOutputs = ""; }) // {
       passthru = {
         inherit version modDirVersion config kernelPatches configfile;
       };
diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index 780b90672974..0af936aa7039 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "libudev" "doc" ]; # maybe: "dev"
   # note: there are many references to ${systemd}/...
   outputDev = "out";
-  propagatedOutputs = "libudev";
+  propagatedBuildOutputs = "libudev";
   */
   outputs = [ "out" "man" ];
 
diff --git a/pkgs/servers/pulseaudio/default.nix b/pkgs/servers/pulseaudio/default.nix
index 47edd751887c..66ed31bab7b9 100644
--- a/pkgs/servers/pulseaudio/default.nix
+++ b/pkgs/servers/pulseaudio/default.nix
@@ -114,7 +114,7 @@ stdenv.mkDerivation rec {
     rm -rf $out/{bin,share,etc,lib/{pulse-*,systemd}}
     sed 's|-lltdl|-L${libtool.lib}/lib -lltdl|' -i $out/lib/libpulsecore-${version}.la
   ''
-    + ''_moveToOutput lib/cmake "$dev" '';
+    + ''moveToOutput lib/cmake "$dev" '';
 
   meta = {
     description = "Sound server for POSIX and Win32 systems";
diff --git a/pkgs/servers/sql/postgresql/default.nix b/pkgs/servers/sql/postgresql/default.nix
index 1743aa2df4be..fdd35637e570 100644
--- a/pkgs/servers/sql/postgresql/default.nix
+++ b/pkgs/servers/sql/postgresql/default.nix
@@ -40,9 +40,9 @@ let
 
     postInstall =
       ''
-        _moveToOutput "lib/pgxs" "$out" # looks strange, but not deleting it
-        _moveToOutput "lib/*.a" "$out"
-        _moveToOutput "lib/libecpg*" "$out"
+        moveToOutput "lib/pgxs" "$out" # looks strange, but not deleting it
+        moveToOutput "lib/*.a" "$out"
+        moveToOutput "lib/libecpg*" "$out"
 
         # Prevent a retained dependency on gcc-wrapper.
         substituteInPlace "$out/lib/pgxs/src/Makefile.global" --replace ${stdenv.cc}/bin/ld ld
diff --git a/pkgs/tools/networking/curl/default.nix b/pkgs/tools/networking/curl/default.nix
index ed650b87b212..8fe3b85d633d 100644
--- a/pkgs/tools/networking/curl/default.nix
+++ b/pkgs/tools/networking/curl/default.nix
@@ -63,7 +63,7 @@ stdenv.mkDerivation rec {
   CXXCPP = "g++ -E";
 
   postInstall = ''
-    _moveToOutput bin/curl-config "$dev"
+    moveToOutput bin/curl-config "$dev"
     sed '/^dependency_libs/s|${libssh2.dev}|${libssh2.out}|' -i "$out"/lib/*.la
   '';