* "ensureDir" -> "mkdir -p". "ensureDir" is a rather pointless

  function, so obsolete it.

svn path=/nixpkgs/branches/stdenv-updates/; revision=31644

100 files changed, 129 insertions, 129 deletions

diff --git a/pkgs/tools/X11/x2vnc/default.nix b/pkgs/tools/X11/x2vnc/default.nix
index a3d21ab1800..adc04b62944 100644
--- a/pkgs/tools/X11/x2vnc/default.nix
+++ b/pkgs/tools/X11/x2vnc/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
       xorg.libXrandr xorg.randrproto
     ];
 
-  preInstall = "ensureDir $out";
+  preInstall = "mkdir -p $out";
 
   meta = {
     homepahe = http://fredrik.hubbe.net/x2vnc.html;
diff --git a/pkgs/tools/X11/x2x/default.nix b/pkgs/tools/X11/x2x/default.nix
index abe5c9b59d6..5d68e1da1ba 100644
--- a/pkgs/tools/X11/x2x/default.nix
+++ b/pkgs/tools/X11/x2x/default.nix
@@ -16,8 +16,8 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/bin
-    ensureDir $out/man/man1
+    mkdir -p $out/bin
+    mkdir -p $out/man/man1
     cp x2x $out/bin/
     cp x2x.1 $out/man/man1/
   '';
diff --git a/pkgs/tools/X11/xpra/default.nix b/pkgs/tools/X11/xpra/default.nix
index 0691521e44c..cf7692cc58a 100644
--- a/pkgs/tools/X11/xpra/default.nix
+++ b/pkgs/tools/X11/xpra/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out
+    mkdir -p $out
     cp -r install/* $out
 
     for i in $(cd $out/bin && ls); do
diff --git a/pkgs/tools/admin/tightvnc/builder.sh b/pkgs/tools/admin/tightvnc/builder.sh
index 72fced37728..10590bbfcf1 100644
--- a/pkgs/tools/admin/tightvnc/builder.sh
+++ b/pkgs/tools/admin/tightvnc/builder.sh
@@ -31,13 +31,13 @@ buildPhase() {
 }
 
 installPhase() {
-    ensureDir $out/bin
-    ensureDir $out/share/man/man1
+    mkdir -p $out/bin
+    mkdir -p $out/share/man/man1
     ./vncinstall $out/bin $out/share/man
 
     # fix HTTP client:
     t=$out/share/tightvnc
-    ensureDir $t
+    mkdir -p $t
     sed -i "s@/usr/local/vnc/classes@$out/vnc/classes@g" $out/bin/vncserver
     cp -r classes $t
 }
diff --git a/pkgs/tools/archivers/unarj/default.nix b/pkgs/tools/archivers/unarj/default.nix
index 7a15514a728..0852674e8c8 100644
--- a/pkgs/tools/archivers/unarj/default.nix
+++ b/pkgs/tools/archivers/unarj/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   preInstall = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     sed -i -e s,/usr/local/bin,$out/bin, Makefile
   '';
 
diff --git a/pkgs/tools/cd-dvd/unetbootin/default.nix b/pkgs/tools/cd-dvd/unetbootin/default.nix
index 20d5ae7715e..b1fd5a10c2b 100644
--- a/pkgs/tools/cd-dvd/unetbootin/default.nix
+++ b/pkgs/tools/cd-dvd/unetbootin/default.nix
@@ -41,13 +41,13 @@ stdenv.mkDerivation rec {
 
   installPhase =
     ''
-      ensureDir $out/bin
+      mkdir -p $out/bin
       cp unetbootin $out/bin
 
-      ensureDir $out/share/unetbootin
+      mkdir -p $out/share/unetbootin
       cp unetbootin_*.qm  $out/share/unetbootin
 
-      ensureDir $out/share/applications
+      mkdir -p $out/share/applications
       cp unetbootin.desktop $out/share/applications
 
       wrapProgram $out/bin/unetbootin \
diff --git a/pkgs/tools/compression/bsdiff/builder.sh b/pkgs/tools/compression/bsdiff/builder.sh
index 1acb10cb794..f2792a40a60 100644
--- a/pkgs/tools/compression/bsdiff/builder.sh
+++ b/pkgs/tools/compression/bsdiff/builder.sh
@@ -2,7 +2,7 @@ source $stdenv/setup
 
 installFlags="PREFIX=$out INSTALL=install"
 
-ensureDir "$out/bin"
-ensureDir "$out/man/man1"
+mkdir -p "$out/bin"
+mkdir -p "$out/man/man1"
 
 genericBuild
diff --git a/pkgs/tools/compression/bzip2/builder.sh b/pkgs/tools/compression/bzip2/builder.sh
index ea2ebc4c2db..4610bdd4085 100644
--- a/pkgs/tools/compression/bzip2/builder.sh
+++ b/pkgs/tools/compression/bzip2/builder.sh
@@ -8,7 +8,7 @@ if test -n "$sharedLibrary"; then
     }
 
     preInstall() {
-        ensureDir $out/lib
+        mkdir -p $out/lib
         mv libbz2.so* $out/lib
         ln -s libbz2.so.1.0 $out/lib/libbz2.so
     }
diff --git a/pkgs/tools/compression/upx/default.nix b/pkgs/tools/compression/upx/default.nix
index c3fd01d5c88..f3b8037a9f1 100644
--- a/pkgs/tools/compression/upx/default.nix
+++ b/pkgs/tools/compression/upx/default.nix
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
     cd src
   ";
 
-  installPhase = "ensureDir $out/bin ; cp upx.out $out/bin/upx";
+  installPhase = "mkdir -p $out/bin ; cp upx.out $out/bin/upx";
 
   meta = {
     homepage = http://upx.sourceforge.net/;
diff --git a/pkgs/tools/compression/zdelta/builder.sh b/pkgs/tools/compression/zdelta/builder.sh
index 376c0bf4f39..03db413181d 100644
--- a/pkgs/tools/compression/zdelta/builder.sh
+++ b/pkgs/tools/compression/zdelta/builder.sh
@@ -1,7 +1,7 @@
 source $stdenv/setup
 
 installPhase() {
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp -p zdc zdu $out/bin
 }
 
diff --git a/pkgs/tools/filesystems/fsfs/default.nix b/pkgs/tools/filesystems/fsfs/default.nix
index 622424c302f..0e72c45e31a 100644
--- a/pkgs/tools/filesystems/fsfs/default.nix
+++ b/pkgs/tools/filesystems/fsfs/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   '';
 
   preInstall = ''
-    ensureDir $out/etc $out/var/lib
+    mkdir -p $out/etc $out/var/lib
     makeFlags="$makeFlags prefix=$out"
   '';
 
diff --git a/pkgs/tools/filesystems/fusesmb/default.nix b/pkgs/tools/filesystems/fusesmb/default.nix
index d6d5c3a48aa..4ddab385a42 100644
--- a/pkgs/tools/filesystems/fusesmb/default.nix
+++ b/pkgs/tools/filesystems/fusesmb/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   postInstall =
     ''
-      ensureDir $out/lib
+      mkdir -p $out/lib
       ln -fs ${samba}/lib/libsmbclient.so $out/lib/libsmbclient.so.0
     '';
 
diff --git a/pkgs/tools/filesystems/httpfs/default.nix b/pkgs/tools/filesystems/httpfs/default.nix
index afa4be345a9..717b08acc5f 100644
--- a/pkgs/tools/filesystems/httpfs/default.nix
+++ b/pkgs/tools/filesystems/httpfs/default.nix
@@ -15,10 +15,10 @@ stdenv.mkDerivation rec {
     ];
 
   installPhase =
-    '' ensureDir "$out/bin"
+    '' mkdir -p "$out/bin"
        cp -v httpfs2 "$out/bin"
 
-       ensureDir "$out/share/man/man1"
+       mkdir -p "$out/share/man/man1"
        cp -v *.1 "$out/share/man/man1"
     '';
 
diff --git a/pkgs/tools/filesystems/sshfs-fuse/default.nix b/pkgs/tools/filesystems/sshfs-fuse/default.nix
index 606914cd976..fcb3c23ed1d 100644
--- a/pkgs/tools/filesystems/sshfs-fuse/default.nix
+++ b/pkgs/tools/filesystems/sshfs-fuse/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   
   buildInputs = [ pkgconfig glib fuse ];
   postInstall = ''
-    ensureDir $out/sbin
+    mkdir -p $out/sbin
     ln -sf $out/bin/sshfs $out/sbin/mount.sshfs
   '';
 
diff --git a/pkgs/tools/graphics/cfdg/default.nix b/pkgs/tools/graphics/cfdg/default.nix
index 435305f1e2a..26df8818b2b 100644
--- a/pkgs/tools/graphics/cfdg/default.nix
+++ b/pkgs/tools/graphics/cfdg/default.nix
@@ -16,10 +16,10 @@ rec {
   phaseNames = ["doMake" "copyFiles"];
 
   copyFiles = a.fullDepEntry ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp cfdg $out/bin/
 
-    ensureDir $out/share/doc/${name}
+    mkdir -p $out/share/doc/${name}
     cp *.txt $out/share/doc/${name}
   '' ["defEnsureDir" "doMake"];
       
diff --git a/pkgs/tools/graphics/cuneiform/default.nix b/pkgs/tools/graphics/cuneiform/default.nix
index 232b6c5464a..13f7d4b7f6f 100644
--- a/pkgs/tools/graphics/cuneiform/default.nix
+++ b/pkgs/tools/graphics/cuneiform/default.nix
@@ -22,7 +22,7 @@ rec {
   libc = if a.stdenv ? glibc then a.stdenv.glibc else "";
 
   doCmake = a.fullDepEntry(''
-    ensureDir $PWD/builddir
+    mkdir -p $PWD/builddir
     cd builddir
     export NIX_LDFLAGS="$NIX_LDFLAGS -ldl -L$out/lib"
     cmake .. -DCMAKE_BUILD_TYPE=debug -DCMAKE_INSTALL_PREFIX=$out -DDL_LIB=${libc}/lib
diff --git a/pkgs/tools/graphics/dcraw/default.nix b/pkgs/tools/graphics/dcraw/default.nix
index 8ee02710b05..959241d30ab 100644
--- a/pkgs/tools/graphics/dcraw/default.nix
+++ b/pkgs/tools/graphics/dcraw/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   '';
 
   buildPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     set +e
     sh install
     set -e
diff --git a/pkgs/tools/graphics/exiftags/default.nix b/pkgs/tools/graphics/exiftags/default.nix
index 32048db4154..531e17b92cb 100644
--- a/pkgs/tools/graphics/exiftags/default.nix
+++ b/pkgs/tools/graphics/exiftags/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   '';
 
   preInstall = ''
-    ensureDir $out/bin $out/man/man1
+    mkdir -p $out/bin $out/man/man1
   '';
 
   meta = {
diff --git a/pkgs/tools/graphics/glxinfo/default.nix b/pkgs/tools/graphics/glxinfo/default.nix
index 02db33f92cb..ed29b743d54 100644
--- a/pkgs/tools/graphics/glxinfo/default.nix
+++ b/pkgs/tools/graphics/glxinfo/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   ";
 
   installPhase = "
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp glxinfo glxgears $out/bin/
   ";
 }
diff --git a/pkgs/tools/graphics/jhead/default.nix b/pkgs/tools/graphics/jhead/default.nix
index 2d98a1efdce..c497d60aef9 100644
--- a/pkgs/tools/graphics/jhead/default.nix
+++ b/pkgs/tools/graphics/jhead/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   '';
 
   preInstall = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
   '';
 
   meta = {
diff --git a/pkgs/tools/graphics/pdfread/default.nix b/pkgs/tools/graphics/pdfread/default.nix
index 1fc14445bbd..fd26174f197 100644
--- a/pkgs/tools/graphics/pdfread/default.nix
+++ b/pkgs/tools/graphics/pdfread/default.nix
@@ -27,13 +27,13 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp pdfread.py $out/bin
     chmod +x $out/bin/pdfread.py
 
     LIBSUFFIX=lib/${python.libPrefix}/site-packages/
     PYDIR=$out/$LIBSUFFIX
-    ensureDir $PYDIR
+    mkdir -p $PYDIR
     cp -R *.py pylrs $PYDIR
 
     wrapProgram $out/bin/pdfread.py --prefix PYTHONPATH : $PYTHONPATH:${pil}/$LIBSUFFIX/PIL:$PYDIR \
diff --git a/pkgs/tools/graphics/ploticus/builder.sh b/pkgs/tools/graphics/ploticus/builder.sh
index 89d4e3b98ea..2fb16b259bd 100644
--- a/pkgs/tools/graphics/ploticus/builder.sh
+++ b/pkgs/tools/graphics/ploticus/builder.sh
@@ -5,12 +5,12 @@ preBuild() {
 }
 
 preInstall() {
-  ensureDir $out/bin
+  mkdir -p $out/bin
 }
 
 postInstall() {
   # Install the "prefabs".
-  ensureDir $out/share/ploticus/prefabs &&		\
+  mkdir -p $out/share/ploticus/prefabs &&		\
   cd .. &&						\
   cp -rv prefabs/* $out/share/ploticus/prefabs
 
diff --git a/pkgs/tools/graphics/qrdecode/default.nix b/pkgs/tools/graphics/qrdecode/default.nix
index 16c91720964..edd0a96c689 100644
--- a/pkgs/tools/graphics/qrdecode/default.nix
+++ b/pkgs/tools/graphics/qrdecode/default.nix
@@ -34,7 +34,7 @@ rec {
     cd ..
   '' ["doMake"];
   createDirs = fullDepEntry ''
-    ensureDir $out/bin $out/lib $out/include $out/share
+    mkdir -p $out/bin $out/lib $out/include $out/share
   '' ["defEnsureDir"];
 
   name = "libdecodeqr-" + version;
diff --git a/pkgs/tools/graphics/transfig/builder.sh b/pkgs/tools/graphics/transfig/builder.sh
index f128c4ce364..c466f759446 100644
--- a/pkgs/tools/graphics/transfig/builder.sh
+++ b/pkgs/tools/graphics/transfig/builder.sh
@@ -31,8 +31,8 @@ buildPhase() {
 }
 
 preInstall() {
-    ensureDir $out
-    ensureDir $out/lib
+    mkdir -p $out
+    mkdir -p $out/lib
 }
 
 genericBuild
diff --git a/pkgs/tools/graphics/welkin/default.nix b/pkgs/tools/graphics/welkin/default.nix
index 0076b2a4a86..d02b38b4127 100644
--- a/pkgs/tools/graphics/welkin/default.nix
+++ b/pkgs/tools/graphics/welkin/default.nix
@@ -32,7 +32,7 @@ rec {
   doDeploy = a.simplyShare "welkin";
 
   createBin = a.fullDepEntry ''
-    ensureDir "$out/bin"
+    mkdir -p "$out/bin"
     echo "#! ${a.stdenv.shell}" > "$out/bin/welkin"
     echo "export JAVA_HOME=${jre}" >> "$out/bin/welkin"
     echo "\"$out/share/welkin/welkin.sh\" \"\$@\"" >> "$out/bin/welkin"
diff --git a/pkgs/tools/misc/autojump/default.nix b/pkgs/tools/misc/autojump/default.nix
index ac3aa5a6b1e..397e80a745e 100644
--- a/pkgs/tools/misc/autojump/default.nix
+++ b/pkgs/tools/misc/autojump/default.nix
@@ -21,10 +21,10 @@ let version = "4"; in
     buildInputs = [ python ];
 
     installPhase = ''
-      ensureDir "$out/bin" "$out/share/man/man1"
+      mkdir -p "$out/bin" "$out/share/man/man1"
       yes no | sh ./install.sh
 
-      ensureDir "$out/etc/bash_completion.d"
+      mkdir -p "$out/etc/bash_completion.d"
       cp -v autojump.bash "$out/etc/bash_completion.d"
 
       echo "Bash users: Make sure to source \`$out/etc/bash_completion.d/autojump.bash'"
diff --git a/pkgs/tools/misc/debootstrap/default.nix b/pkgs/tools/misc/debootstrap/default.nix
index 53027246b7f..33a1fc839ce 100644
--- a/pkgs/tools/misc/debootstrap/default.nix
+++ b/pkgs/tools/misc/debootstrap/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
   installPhase = ''
     cp -r . $out; cd $out
     t=bin/debootstrap
-    ensureDir bin man/man8
+    mkdir -p bin man/man8
     cat >> $t << EOF
     #!/bin/sh
     export DEBOOTSTRAP_DIR=$out/usr/share/debootstrap
@@ -66,7 +66,7 @@ stdenv.mkDerivation {
   /* build from source:
   installPhase = ''
     cp ${devices} devices.tar.gz
-    ensureDir $out/{bin,man/man8};
+    mkdir -p $out/{bin,man/man8};
     cp debootstrap.8 $out/man/man8
     sed -i  \
       -e 's@-o root@@'   \
diff --git a/pkgs/tools/misc/dmg2img/default.nix b/pkgs/tools/misc/dmg2img/default.nix
index 72e368e709e..b9a15ac6a20 100644
--- a/pkgs/tools/misc/dmg2img/default.nix
+++ b/pkgs/tools/misc/dmg2img/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildInputs = [zlib bzip2 openssl];
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp dmg2img $out/bin
   '';
 }
diff --git a/pkgs/tools/misc/dtach/default.nix b/pkgs/tools/misc/dtach/default.nix
index d203419cd69..7ceecc3690a 100644
--- a/pkgs/tools/misc/dtach/default.nix
+++ b/pkgs/tools/misc/dtach/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp dtach $out/bin/dtach
   '';
 
diff --git a/pkgs/tools/misc/expect/default.nix b/pkgs/tools/misc/expect/default.nix
index 9f0892bb0aa..a32e5abbb29 100644
--- a/pkgs/tools/misc/expect/default.nix
+++ b/pkgs/tools/misc/expect/default.nix
@@ -32,5 +32,5 @@ stdenv.mkDerivation {
     description = "A tool for automating interactive applications";
     homepage = http://expect.nist.gov/;
   };
-  postInstall="cp expect{,k} $out/bin; ensureDir $out/lib; cp *.so $out/lib";
+  postInstall="cp expect{,k} $out/bin; mkdir -p $out/lib; cp *.so $out/lib";
 }
diff --git a/pkgs/tools/misc/fdupes/default.nix b/pkgs/tools/misc/fdupes/default.nix
index 04a0662a3b6..2de9efdac58 100644
--- a/pkgs/tools/misc/fdupes/default.nix
+++ b/pkgs/tools/misc/fdupes/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
   };
 
   # workaround: otherwise make install fails (should be fixed in trunk)
-  preInstall = "ensureDir $out/bin $out/man/man1";
+  preInstall = "mkdir -p $out/bin $out/man/man1";
 
   makeFlags = "PREFIX=\${out}";
 
diff --git a/pkgs/tools/misc/figlet/default.nix b/pkgs/tools/misc/figlet/default.nix
index 00265d1f31d..3f89713918f 100644
--- a/pkgs/tools/misc/figlet/default.nix
+++ b/pkgs/tools/misc/figlet/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
 
   preConfigure = ''
-    ensureDir $out/{man/man6,bin}
+    mkdir -p $out/{man/man6,bin}
     makeFlags="DESTDIR=$out/bin MANDIR=$out/man/man6 DEFAULTFONTDIR=$out/share/figlet"
   '';
 
diff --git a/pkgs/tools/misc/hddtemp/default.nix b/pkgs/tools/misc/hddtemp/default.nix
index 202d28684d0..7db9324c281 100644
--- a/pkgs/tools/misc/hddtemp/default.nix
+++ b/pkgs/tools/misc/hddtemp/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   configurePhase =
     ''
-      ensureDir $out/nix-support
+      mkdir -p $out/nix-support
       cp $db $out/nix-support/hddtemp.db
       ./configure --prefix=$out --with-db-path=$out/nix-support/hddtemp.db
     ''; 
diff --git a/pkgs/tools/misc/jdiskreport/builder.sh b/pkgs/tools/misc/jdiskreport/builder.sh
index aa4ba13963c..1e73b674c15 100644
--- a/pkgs/tools/misc/jdiskreport/builder.sh
+++ b/pkgs/tools/misc/jdiskreport/builder.sh
@@ -2,11 +2,11 @@ source $stdenv/setup
 
 unzip $src
 
-ensureDir $out/jars
+mkdir -p $out/jars
 mv */*.jar $out/jars
 jar=$(ls $out/jars/jdiskreport-*.jar)
 
-ensureDir $out/bin
+mkdir -p $out/bin
 cat > $out/bin/jdiskreport <<EOF
 #! $SHELL -e
 exec $jdk/bin/java -jar $jar
diff --git a/pkgs/tools/misc/kermit/default.nix b/pkgs/tools/misc/kermit/default.nix
index b664e9d92b6..db2d6cffc40 100644
--- a/pkgs/tools/misc/kermit/default.nix
+++ b/pkgs/tools/misc/kermit/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   buildInputs = [ ncurses ];
 
   unpackPhase = ''
-    ensureDir src
+    mkdir -p src
     pushd src
     tar xvzf $src
   '';
@@ -22,8 +22,8 @@ stdenv.mkDerivation {
   '';
   buildPhase = "make -f makefile linux";
   installPhase = ''
-    ensureDir $out/bin
-    ensureDir $out/man/man1
+    mkdir -p $out/bin
+    mkdir -p $out/man/man1
     make -f makefile install
   '';
 
diff --git a/pkgs/tools/misc/memtest86/default.nix b/pkgs/tools/misc/memtest86/default.nix
index 1e744afdf40..633d08e4c66 100644
--- a/pkgs/tools/misc/memtest86/default.nix
+++ b/pkgs/tools/misc/memtest86/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = "-I.";
   
   installPhase = ''
-    ensureDir $out
+    mkdir -p $out
     cp memtest.bin $out/
   '';
 
diff --git a/pkgs/tools/misc/myhasktags/default.nix b/pkgs/tools/misc/myhasktags/default.nix
index 8c5eb24af48..62d4ee2579f 100644
--- a/pkgs/tools/misc/myhasktags/default.nix
+++ b/pkgs/tools/misc/myhasktags/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
   };
   phases="buildPhase";
   buildPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     ghc --make $src -o $out/bin/hasktags-modified
   '';
   buildInputs = [ ghcPlain ];
diff --git a/pkgs/tools/misc/pk2cmd/default.nix b/pkgs/tools/misc/pk2cmd/default.nix
index e3a9e7b87c3..37636da7235 100644
--- a/pkgs/tools/misc/pk2cmd/default.nix
+++ b/pkgs/tools/misc/pk2cmd/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   makeFlags = [ "LIBUSB=${libusb}" "linux" ];
 
   installPhase = ''
-    ensureDir $out/bin $out/share/pk2
+    mkdir -p $out/bin $out/share/pk2
     cp pk2cmd $out/bin
     cp PK2DeviceFile.dat $out/share/pk2
     wrapProgram $out/bin/pk2cmd --prefix PATH : $out/share/pk2
diff --git a/pkgs/tools/misc/qjoypad/default.nix b/pkgs/tools/misc/qjoypad/default.nix
index b6c69be2f09..a3a34d95fb5 100644
--- a/pkgs/tools/misc/qjoypad/default.nix
+++ b/pkgs/tools/misc/qjoypad/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   patchPhase = ''
     cd src
     substituteInPlace config --replace /bin/bash /bin/sh
-    ensureDir $out
+    mkdir -p $out
     export NIX_LDFLAGS="$NIX_LDFLAGS -rpath ${libX11}/lib"
   '';
   meta = {
diff --git a/pkgs/tools/misc/rockbox-utility/default.nix b/pkgs/tools/misc/rockbox-utility/default.nix
index d2fa91d3fe8..4f271bcd623 100644
--- a/pkgs/tools/misc/rockbox-utility/default.nix
+++ b/pkgs/tools/misc/rockbox-utility/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation  rec {
   '';
 
   installPhase = ''
-    ensureDir $out/bin 
+    mkdir -p $out/bin 
     cp RockboxUtility $out/bin
   '';
 
diff --git a/pkgs/tools/misc/shebangfix/default.nix b/pkgs/tools/misc/shebangfix/default.nix
index 082b04b95d7..68f20df0577 100644
--- a/pkgs/tools/misc/shebangfix/default.nix
+++ b/pkgs/tools/misc/shebangfix/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   phases = "buildPhase";
 
   buildPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     s=$out/bin/shebangfix
     cp $file $s
     chmod +wx $s
diff --git a/pkgs/tools/misc/ttf2pt1/default.nix b/pkgs/tools/misc/ttf2pt1/default.nix
index c112afaee0f..2deb8893f4e 100644
--- a/pkgs/tools/misc/ttf2pt1/default.nix
+++ b/pkgs/tools/misc/ttf2pt1/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   preConfigure = ''
     find -type f | xargs sed -i 's@/usr/bin/perl@${perl}/bin/perl@'
-    ensureDir $out
+    mkdir -p $out
     sed -e 's/chown/true/' \
         -e 's/chgrp/true/' \
         -e 's@^CFLAGS_FT =.*@CFLAGS_FT=-DUSE_FREETYPE -I${freetype}/include/freetype2@' \
diff --git a/pkgs/tools/misc/ttmkfdir/default.nix b/pkgs/tools/misc/ttmkfdir/default.nix
index e4e8d3c3e9b..3f05d600944 100644
--- a/pkgs/tools/misc/ttmkfdir/default.nix
+++ b/pkgs/tools/misc/ttmkfdir/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
     ];
 
   preInstall = ''
-    ensureDir $out; makeFlags="DESTDIR=$out BINDIR=/bin"
+    mkdir -p $out; makeFlags="DESTDIR=$out BINDIR=/bin"
   '';
 
   buildInputs = [freetype fontconfig libunwind libtool flex bison];
diff --git a/pkgs/tools/misc/vfdecrypt/default.nix b/pkgs/tools/misc/vfdecrypt/default.nix
index 46a841113a1..5692aecebbf 100644
--- a/pkgs/tools/misc/vfdecrypt/default.nix
+++ b/pkgs/tools/misc/vfdecrypt/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
   buildInputs = [openssl];
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp vfdecrypt $out/bin
   '';
 }
diff --git a/pkgs/tools/misc/w3c-css-validator/default.nix b/pkgs/tools/misc/w3c-css-validator/default.nix
index 93231397feb..5cfe8737638 100644
--- a/pkgs/tools/misc/w3c-css-validator/default.nix
+++ b/pkgs/tools/misc/w3c-css-validator/default.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation {
           -e '/untar/d' \
           build.xml
     ant
-    ensureDir $out/{bin,lib}
+    mkdir -p $out/{bin,lib}
     JAR=$out/lib/css-validator.jar
     cat >> $out/bin/css-validator << EOF
     #!/bin/sh
diff --git a/pkgs/tools/misc/xdaliclock/default.nix b/pkgs/tools/misc/xdaliclock/default.nix
index cb2631bd5d8..74ee8b5b548 100644
--- a/pkgs/tools/misc/xdaliclock/default.nix
+++ b/pkgs/tools/misc/xdaliclock/default.nix
@@ -32,7 +32,7 @@ rec {
   phaseNames = ["doConfigure" "prepareDirs" "doMakeInstall"];
 
   prepareDirs = a.fullDepEntry ''
-    ensureDir "$out/bin" "$out/share" "$out/share/man/man1"
+    mkdir -p "$out/bin" "$out/share" "$out/share/man/man1"
   '' ["minInit" "defEnsureDir"];
 
   goSrcDir = "cd X11";
diff --git a/pkgs/tools/networking/altermime/default.nix b/pkgs/tools/networking/altermime/default.nix
index a98f307c77d..8335b0eb8db 100644
--- a/pkgs/tools/networking/altermime/default.nix
+++ b/pkgs/tools/networking/altermime/default.nix
@@ -31,7 +31,7 @@ rec {
   phaseNames = ["doPatch" "fixTarget" "doMakeInstall"];
   fixTarget = a.fullDepEntry (''
     sed -i Makefile -e "s@/usr/local@$out@"
-    ensureDir "$out/bin"
+    mkdir -p "$out/bin"
   '') ["doUnpack" "minInit" "defEnsureDir"];
       
   meta = {
diff --git a/pkgs/tools/networking/bsd-finger/default.nix b/pkgs/tools/networking/bsd-finger/default.nix
index fc29af989ce..808c738110e 100644
--- a/pkgs/tools/networking/bsd-finger/default.nix
+++ b/pkgs/tools/networking/bsd-finger/default.nix
@@ -16,5 +16,5 @@ stdenv.mkDerivation rec {
 
   preBuild = "cd finger";
 
-  preInstall = '' ensureDir $out/man/man1 $out/bin '';
+  preInstall = '' mkdir -p $out/man/man1 $out/bin '';
 }
diff --git a/pkgs/tools/networking/cntlm/default.nix b/pkgs/tools/networking/cntlm/default.nix
index f5865020785..cd3ae12a11b 100644
--- a/pkgs/tools/networking/cntlm/default.nix
+++ b/pkgs/tools/networking/cntlm/default.nix
@@ -11,9 +11,9 @@ stdenv.mkDerivation {
   buildInputs = [ which ];
 
   installPhase = ''
-    ensureDir $out/bin; cp cntlm $out/bin/;
-    ensureDir $out/share/; cp COPYRIGHT README VERSION doc/cntlm.conf $out/share/;
-    ensureDir $out/man/; cp doc/cntlm.1 $out/man/;
+    mkdir -p $out/bin; cp cntlm $out/bin/;
+    mkdir -p $out/share/; cp COPYRIGHT README VERSION doc/cntlm.conf $out/share/;
+    mkdir -p $out/man/; cp doc/cntlm.1 $out/man/;
   '';
 
   meta = {
diff --git a/pkgs/tools/networking/ddclient/default.nix b/pkgs/tools/networking/ddclient/default.nix
index 7c1e89083b8..e57ba489450 100644
--- a/pkgs/tools/networking/ddclient/default.nix
+++ b/pkgs/tools/networking/ddclient/default.nix
@@ -15,7 +15,7 @@ buildPerlPackage {
   ''; 
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp ddclient $out/bin
   '';
 
diff --git a/pkgs/tools/networking/dnstop/default.nix b/pkgs/tools/networking/dnstop/default.nix
index cdab68f22ea..c9e1b58d2d2 100644
--- a/pkgs/tools/networking/dnstop/default.nix
+++ b/pkgs/tools/networking/dnstop/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [ libpcap ncurses ];
 
   preInstall = ''
-    ensureDir $out/share/man/man8 $out/bin
+    mkdir -p $out/share/man/man8 $out/bin
   '';
 
   meta = { 
diff --git a/pkgs/tools/networking/eggdrop/default.nix b/pkgs/tools/networking/eggdrop/default.nix
index c55688d5060..8649eda4bf7 100644
--- a/pkgs/tools/networking/eggdrop/default.nix
+++ b/pkgs/tools/networking/eggdrop/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   preConfigure = ''
     prefix=$out/eggdrop
-    ensureDir $prefix
+    mkdir -p $prefix
   '';
 
   postConfigure = ''
diff --git a/pkgs/tools/networking/flvstreamer/default.nix b/pkgs/tools/networking/flvstreamer/default.nix
index c3ac4e205ae..cbc07522019 100644
--- a/pkgs/tools/networking/flvstreamer/default.nix
+++ b/pkgs/tools/networking/flvstreamer/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   '';
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp flvstreamer $out/bin
     cp streams $out/bin
     cp rtmpsrv $out/bin
diff --git a/pkgs/tools/networking/host/default.nix b/pkgs/tools/networking/host/default.nix
index 9383b857a3a..c74dbe52829 100644
--- a/pkgs/tools/networking/host/default.nix
+++ b/pkgs/tools/networking/host/default.nix
@@ -11,8 +11,8 @@ let version = "20000331"; in
 
     preConfigure = ''
       makeFlagsArray=(DESTBIN=$out/bin DESTMAN=$out/share/man OWNER=$(id -u) GROUP=$(id -g))
-      ensureDir "$out/bin"
-      ensureDir "$out/share/man/man1"
+      mkdir -p "$out/bin"
+      mkdir -p "$out/share/man/man1"
     '';
 
     installTargets = "install man";
diff --git a/pkgs/tools/networking/miniupnpc/default.nix b/pkgs/tools/networking/miniupnpc/default.nix
index 1039cadb3ee..34ec8eed90e 100644
--- a/pkgs/tools/networking/miniupnpc/default.nix
+++ b/pkgs/tools/networking/miniupnpc/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   postInstall =
     ''
-      ensureDir $out/share/man/man3
+      mkdir -p $out/share/man/man3
       cp man3/miniupnpc.3 $out/share/man/man3/
     '';
 
diff --git a/pkgs/tools/networking/miniupnpd/default.nix b/pkgs/tools/networking/miniupnpd/default.nix
index 5d62222d141..6db47f8e079 100644
--- a/pkgs/tools/networking/miniupnpd/default.nix
+++ b/pkgs/tools/networking/miniupnpd/default.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   postInstall =
     ''
-      ensureDir $out/share/man/man1
+      mkdir -p $out/share/man/man1
       cp miniupnpd.1 $out/share/man/man1/
     '';
 
diff --git a/pkgs/tools/networking/netboot/default.nix b/pkgs/tools/networking/netboot/default.nix
index a834ffc3739..684507a1d2e 100644
--- a/pkgs/tools/networking/netboot/default.nix
+++ b/pkgs/tools/networking/netboot/default.nix
@@ -37,7 +37,7 @@ rec {
   '' ["doUnpack" "addInputs"];
 
   doDeploy = a.fullDepEntry ''
-    ensureDir "$out/bin"
+    mkdir -p "$out/bin"
     cp netboot "$out/bin"
   '' ["defEnsureDir" "minInit"];
       
diff --git a/pkgs/tools/networking/netkit/tftp/default.nix b/pkgs/tools/networking/netkit/tftp/default.nix
index adf85a981d1..6b9763972df 100644
--- a/pkgs/tools/networking/netkit/tftp/default.nix
+++ b/pkgs/tools/networking/netkit/tftp/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   preInstall = "
-    ensureDir $out/man/man{1,8} $out/sbin $out/bin
+    mkdir -p $out/man/man{1,8} $out/sbin $out/bin
   ";
 
   meta = {
diff --git a/pkgs/tools/networking/openssh/default.nix b/pkgs/tools/networking/openssh/default.nix
index 69243b4f68e..7cadf8a1345 100644
--- a/pkgs/tools/networking/openssh/default.nix
+++ b/pkgs/tools/networking/openssh/default.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
   preConfigure =
     ''
       configureFlags="$configureFlags --with-privsep-path=$out/empty"
-      ensureDir $out/empty
+      mkdir -p $out/empty
     '';
 
   postInstall =
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
       chmod +x $out/bin/ssh-copy-id
       cp contrib/ssh-copy-id.1 $out/share/man/man1/
 
-      ensureDir $out/etc/ssh
+      mkdir -p $out/etc/ssh
       cp moduli $out/etc/ssh/
     '';
 
diff --git a/pkgs/tools/networking/p2p/azureus/builder.sh b/pkgs/tools/networking/p2p/azureus/builder.sh
index 13b7a483192..9d41dba2e43 100644
--- a/pkgs/tools/networking/p2p/azureus/builder.sh
+++ b/pkgs/tools/networking/p2p/azureus/builder.sh
@@ -1,9 +1,9 @@
 source $stdenv/setup
 
-ensureDir $out/jars
+mkdir -p $out/jars
 cp $src $out/jars/azureus.jar
 
-ensureDir $out/bin
+mkdir -p $out/bin
 cat > $out/bin/azureus <<EOF
 #! $SHELL -e
 azureusHome=$out
diff --git a/pkgs/tools/networking/p2p/rtorrent/default.nix b/pkgs/tools/networking/p2p/rtorrent/default.nix
index 4056c6429b0..ae52865eace 100644
--- a/pkgs/tools/networking/p2p/rtorrent/default.nix
+++ b/pkgs/tools/networking/p2p/rtorrent/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   buildInputs = [ libtorrent ncurses pkgconfig libsigcxx curl zlib openssl ];
 
   postInstall = ''
-    ensureDir $out/share/man/man1
+    mkdir -p $out/share/man/man1
     mv doc/rtorrent.1 $out/share/man/man1/rtorrent.1
   '';
 
diff --git a/pkgs/tools/networking/p2p/tahoe-lafs/default.nix b/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
index b48600a9f99..5ef4a640d2a 100644
--- a/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
+++ b/pkgs/tools/networking/p2p/tahoe-lafs/default.nix
@@ -66,7 +66,7 @@ buildPythonPackage {
     # something writable doesn't help; providing $FONTCONFIG_FILE doesn't
     # help either.  So we just don't run `make' under `docs/'.
 
-    ensureDir "$out/share/doc/${name}"
+    mkdir -p "$out/share/doc/${name}"
     cp -rv "docs/"* "$out/share/doc/${name}"
     find "$out/share/doc/${name}" -name Makefile -exec rm -v {} \;
 
diff --git a/pkgs/tools/networking/philter/default.nix b/pkgs/tools/networking/philter/default.nix
index 8ade37976b6..7457a72b5d5 100644
--- a/pkgs/tools/networking/philter/default.nix
+++ b/pkgs/tools/networking/philter/default.nix
@@ -32,7 +32,7 @@ rec {
 
   installProgram = a.fullDepEntry(''
     mv "$out/share/philter/".*rc "$out/share/philter/philterrc"
-    ensureDir "$out/bin"
+    mkdir -p "$out/bin"
     cp "$out/share/philter/src/philter.py" "$out/bin/philter"
     chmod a+x "$out/bin/philter"
   '') ["addInputs" "copyToShare" "minInit"];
diff --git a/pkgs/tools/networking/ripmime/default.nix b/pkgs/tools/networking/ripmime/default.nix
index 895b2c4be4f..07196b77d0a 100644
--- a/pkgs/tools/networking/ripmime/default.nix
+++ b/pkgs/tools/networking/ripmime/default.nix
@@ -30,7 +30,7 @@ rec {
   phaseNames = ["fixTarget" "doMakeInstall"];
   fixTarget = a.fullDepEntry (''
     sed -i Makefile -e "s@LOCATION=.*@LOCATION=$out@"
-    ensureDir "$out/bin" "$out/man/man1"
+    mkdir -p "$out/bin" "$out/man/man1"
   '') ["doUnpack" "minInit" "defEnsureDir"];
       
   meta = {
diff --git a/pkgs/tools/networking/rp-pppoe/default.nix b/pkgs/tools/networking/rp-pppoe/default.nix
index 8a704bb5711..5079b951a64 100644
--- a/pkgs/tools/networking/rp-pppoe/default.nix
+++ b/pkgs/tools/networking/rp-pppoe/default.nix
@@ -32,7 +32,7 @@ rec {
   '') ["minInit" "doUnpack"];
 
   makeDirs = a.fullDepEntry(''
-    ensureDir $out/share/${name}/etc/ppp
+    mkdir -p $out/share/${name}/etc/ppp
   '') ["minInit" "defEnsureDir"];
 
   name = "rp-pppoe-" + version;
diff --git a/pkgs/tools/networking/s3sync/default.nix b/pkgs/tools/networking/s3sync/default.nix
index 8ed71c34523..48788d36884 100644
--- a/pkgs/tools/networking/s3sync/default.nix
+++ b/pkgs/tools/networking/s3sync/default.nix
@@ -12,12 +12,12 @@ stdenv.mkDerivation {
 
   installPhase =
     ''
-      ensureDir $out/libexec/s3sync
+      mkdir -p $out/libexec/s3sync
       cp *.rb $out/libexec/s3sync
       makeWrapper "${ruby}/bin/ruby $out/libexec/s3sync/s3cmd.rb" $out/bin/s3cmd
       makeWrapper "${ruby}/bin/ruby $out/libexec/s3sync/s3sync.rb" $out/bin/s3sync
 
-      ensureDir $out/share/doc/s3sync
+      mkdir -p $out/share/doc/s3sync
       cp README* $out/share/doc/s3sync/
     ''; # */
 
diff --git a/pkgs/tools/networking/siege/default.nix b/pkgs/tools/networking/siege/default.nix
index bb588f36599..ebbfcb5d360 100644
--- a/pkgs/tools/networking/siege/default.nix
+++ b/pkgs/tools/networking/siege/default.nix
@@ -29,7 +29,7 @@ rec {
   phaseNames = ["doConfigure" "createDirs" "doMakeInstall"];
 
   createDirs = a.fullDepEntry ''
-    ensureDir "$out/"{bin,lib,share/man,etc}
+    mkdir -p "$out/"{bin,lib,share/man,etc}
   '' ["defEnsureDir"];
 
   meta = {
diff --git a/pkgs/tools/networking/slimrat/default.nix b/pkgs/tools/networking/slimrat/default.nix
index 38b7c27b6fd..9006fadfcdb 100644
--- a/pkgs/tools/networking/slimrat/default.nix
+++ b/pkgs/tools/networking/slimrat/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/share/slimrat $out/bin
+    mkdir -p $out/share/slimrat $out/bin
     cp -R src/* $out/share/slimrat
     # slimrat-gui does not work (it needs the Gtk2 perl package)
     for i in slimrat; do
diff --git a/pkgs/tools/networking/stun/default.nix b/pkgs/tools/networking/stun/default.nix
index 65a1d241c0b..795c0cfc8cc 100644
--- a/pkgs/tools/networking/stun/default.nix
+++ b/pkgs/tools/networking/stun/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/{bin,man/man8,man/man1}
+    mkdir -p $out/{bin,man/man8,man/man1}
     cp client $out/bin/stun
     cp server $out/bin/stund
     cp debian/manpages/stund.8 $out/man/man8
diff --git a/pkgs/tools/networking/swec/default.nix b/pkgs/tools/networking/swec/default.nix
index 4cb47fada06..007efa42827 100644
--- a/pkgs/tools/networking/swec/default.nix
+++ b/pkgs/tools/networking/swec/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   installPhase =
     '' make install prefix="$out"
 
-       ensureDir "$out/share/${name}"
+       mkdir -p "$out/share/${name}"
        cp -v default.sdf "$out/share/${name}"
        sed -i "$out/bin/swec" -e"s|realpath(\$0)|'$out/share/${name}/swec'|g"
 
diff --git a/pkgs/tools/networking/tcng/default.nix b/pkgs/tools/networking/tcng/default.nix
index dd2082d30b2..062977b455c 100644
--- a/pkgs/tools/networking/tcng/default.nix
+++ b/pkgs/tools/networking/tcng/default.nix
@@ -64,7 +64,7 @@ stdenv.mkDerivation {
 
   # manually copy tcc and include files.. see comment above
   installPhase = ''
-    ensureDir $out{,/sbin,/lib/tcng/include}
+    mkdir -p $out{,/sbin,/lib/tcng/include}
     make DESTDIR=$out install
     cp tcc/tcc $out/sbin
     cp tcc/*.tc $out/lib/tcng/include
diff --git a/pkgs/tools/networking/uwimap/default.nix b/pkgs/tools/networking/uwimap/default.nix
index 7d72016cfe2..8c8c0241204 100644
--- a/pkgs/tools/networking/uwimap/default.nix
+++ b/pkgs/tools/networking/uwimap/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/bin $out/lib $out/include
+    mkdir -p $out/bin $out/lib $out/include
     cp c-client/*.h c-client/linkage.c $out/include
     cp c-client/c-client.a $out/lib/libc-client.a
     cp mailutil/mailutil imapd/imapd dmail/dmail mlock/mlock mtest/mtest tmail/tmail \
diff --git a/pkgs/tools/networking/wakelan/default.nix b/pkgs/tools/networking/wakelan/default.nix
index 6cc18ec8678..837ab3627fa 100644
--- a/pkgs/tools/networking/wakelan/default.nix
+++ b/pkgs/tools/networking/wakelan/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   preInstall = ''
-    ensureDir $out/man/man1 $out/bin
+    mkdir -p $out/man/man1 $out/bin
   '';
 
   meta = {
diff --git a/pkgs/tools/networking/wicd/default.nix b/pkgs/tools/networking/wicd/default.nix
index 19f30713a9f..9c1f8c8dd39 100644
--- a/pkgs/tools/networking/wicd/default.nix
+++ b/pkgs/tools/networking/wicd/default.nix
@@ -77,7 +77,7 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     python setup.py install --prefix=$out
-    ensureDir $out/share/other
+    mkdir -p $out/share/other
     cp other/dhclient.conf.template.default $out/share/other/dhclient.conf.template.default
 
     # Add a template for "WPA2 Enterprise" encryption as used, e.g., by the
diff --git a/pkgs/tools/security/bmrsa/11.nix b/pkgs/tools/security/bmrsa/11.nix
index 0a830e75d80..3200d27c004 100644
--- a/pkgs/tools/security/bmrsa/11.nix
+++ b/pkgs/tools/security/bmrsa/11.nix
@@ -26,7 +26,7 @@ rec {
     cd bmrsa 
     unzip ${src}
     sed -e 's/gcc/g++/' -i Makefile
-    ensureDir $out/bin
+    mkdir -p $out/bin
     echo -e 'install:\n\tcp bmrsa '$out'/bin' >> Makefile
   '') ["minInit" "addInputs" "defEnsureDir"];
       
diff --git a/pkgs/tools/security/chkrootkit/default.nix b/pkgs/tools/security/chkrootkit/default.nix
index e7545ac8cd6..73f7f8c9ae5 100644
--- a/pkgs/tools/security/chkrootkit/default.nix
+++ b/pkgs/tools/security/chkrootkit/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   };
 
   installPhase = "
-    ensureDir $out/sbin
+    mkdir -p $out/sbin
     cp check_wtmpx chkdirs chklastlog chkproc chkrootkit chkutmp chkwtmp ifpromisc strings-static $out/sbin
   ";
   
diff --git a/pkgs/tools/security/metasploit/3.1.nix b/pkgs/tools/security/metasploit/3.1.nix
index 94bc009080d..e02ce1316ba 100644
--- a/pkgs/tools/security/metasploit/3.1.nix
+++ b/pkgs/tools/security/metasploit/3.1.nix
@@ -9,8 +9,8 @@ rec {
   configureFlags = [];
 
   doInstall = fullDepEntry(''
-    ensureDir $out/share/msf
-    ensureDir $out/bin
+    mkdir -p $out/share/msf
+    mkdir -p $out/bin
 
     cp -r * $out/share/msf
 
diff --git a/pkgs/tools/security/opensc-dnie-wrapper/default.nix b/pkgs/tools/security/opensc-dnie-wrapper/default.nix
index ec649790e67..b36d99f8ebf 100644
--- a/pkgs/tools/security/opensc-dnie-wrapper/default.nix
+++ b/pkgs/tools/security/opensc-dnie-wrapper/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   phases = [ "installPhase" ];
 
   installPhase = ''
-    ensureDir $out/etc
+    mkdir -p $out/etc
     cp ${opensc}/etc/opensc.conf $out/etc
     chmod +w $out/etc/opensc.conf
 
diff --git a/pkgs/tools/security/pius/default.nix b/pkgs/tools/security/pius/default.nix
index d5462a1120a..3ca41032815 100644
--- a/pkgs/tools/security/pius/default.nix
+++ b/pkgs/tools/security/pius/default.nix
@@ -19,10 +19,10 @@ stdenv.mkDerivation {
   buildPhase = "true";
 
   installPhase =
-    '' ensureDir "$out/bin"
+    '' mkdir -p "$out/bin"
        cp -v pius "$out/bin"
 
-       ensureDir "$out/doc/pius-${version}"
+       mkdir -p "$out/doc/pius-${version}"
        cp -v README "$out/doc/pius-${version}"
     '';
 
diff --git a/pkgs/tools/security/seccure/0.4.nix b/pkgs/tools/security/seccure/0.4.nix
index 0a1452e5355..33a77c07844 100644
--- a/pkgs/tools/security/seccure/0.4.nix
+++ b/pkgs/tools/security/seccure/0.4.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   preConfigure = ''
     sed -e s@/usr/@$out/@g -i Makefile
     sed -e 's@ln -f@ln -sf@g' -i Makefile
-    ensureDir $out/bin $out/share/man/man1
+    mkdir -p $out/bin $out/share/man/man1
   '';
 
   meta = {
diff --git a/pkgs/tools/security/ssss/default.nix b/pkgs/tools/security/ssss/default.nix
index 3816df415c6..74682d00d03 100644
--- a/pkgs/tools/security/ssss/default.nix
+++ b/pkgs/tools/security/ssss/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
       sed -e s@/usr/@$out/@g -i Makefile
       cp ssss.manpage.xml ssss.1
       cp ssss.manpage.xml ssss.1.html
-      ensureDir $out/bin $out/share/man/man1
+      mkdir -p $out/bin $out/share/man/man1
       echo -e 'install:\n\tcp ssss-combine ssss-split '"$out"'/bin' >>Makefile
     '';
 
diff --git a/pkgs/tools/system/bootchart/default.nix b/pkgs/tools/system/bootchart/default.nix
index 24a1558e901..bb3f9d72e82 100644
--- a/pkgs/tools/system/bootchart/default.nix
+++ b/pkgs/tools/system/bootchart/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   '';
 
   installPhase = ''
-    ensureDir $out/sbin $out/etc
+    mkdir -p $out/sbin $out/etc
     cp script/bootchartd $out/sbin
     cp script/bootchartd.conf $out/etc
     chmod +x $out/sbin/bootchartd
diff --git a/pkgs/tools/system/cron/default.nix b/pkgs/tools/system/cron/default.nix
index 17583f612dc..6132abc0879 100644
--- a/pkgs/tools/system/cron/default.nix
+++ b/pkgs/tools/system/cron/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
     echo '#define _PATH_SENDMAIL "${sendmailPath}"' >> pathnames.h
   '';
 
-  preInstall = "ensureDir $out/bin $out/sbin $out/share/man/man1 $out/share/man/man5 $out/share/man/man8";
+  preInstall = "mkdir -p $out/bin $out/sbin $out/share/man/man1 $out/share/man/man5 $out/share/man/man8";
   
   meta = {
     description = "Vixie Cron, a daemon for running commands at specific times";
diff --git a/pkgs/tools/system/dd_rescue/default.nix b/pkgs/tools/system/dd_rescue/default.nix
index b018de88f46..57f9a1a57d5 100644
--- a/pkgs/tools/system/dd_rescue/default.nix
+++ b/pkgs/tools/system/dd_rescue/default.nix
@@ -40,7 +40,7 @@ rec {
   fixPaths = a.doPatchShebangs ''$out/bin'';
 
   install_dd_rhelp = a.fullDepEntry (''
-    ensureDir "$out/share/dd_rescue" "$out/bin"
+    mkdir -p "$out/share/dd_rescue" "$out/bin"
     tar xf "${dd_rhelp_src}" -C "$out/share/dd_rescue"
     cp "$out/share/dd_rescue"/dd_rhelp*/dd_rhelp "$out/bin"
   '') ["minInit" "defEnsureDir"];
diff --git a/pkgs/tools/system/gptfdisk/default.nix b/pkgs/tools/system/gptfdisk/default.nix
index 35c510f625c..f82c94c0a72 100644
--- a/pkgs/tools/system/gptfdisk/default.nix
+++ b/pkgs/tools/system/gptfdisk/default.nix
@@ -11,8 +11,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ libuuid popt icu ncurses ];
 
   installPhase = ''
-    ensureDir $out/sbin
-    ensureDir $out/share/man/man8
+    mkdir -p $out/sbin
+    mkdir -p $out/share/man/man8
     install -v -m755 gdisk sgdisk fixparts $out/sbin
     install -v -m644 gdisk.8 sgdisk.8 fixparts.8 \
         $out/share/man/man8
diff --git a/pkgs/tools/system/plan9port/builder.sh b/pkgs/tools/system/plan9port/builder.sh
index f33dc7227fb..bf5e6eeffa5 100644
--- a/pkgs/tools/system/plan9port/builder.sh
+++ b/pkgs/tools/system/plan9port/builder.sh
@@ -40,7 +40,7 @@ popd
 
 # Installation
 export PLAN9=$out
-ensureDir $PLAN9
+mkdir -p $PLAN9
 GLOBIGNORE='src:.*'
 cp -R * $PLAN9
 GLOBIGNORE=
diff --git a/pkgs/tools/text/convertlit/default.nix b/pkgs/tools/text/convertlit/default.nix
index 02654cd8922..05494e54a3e 100644
--- a/pkgs/tools/text/convertlit/default.nix
+++ b/pkgs/tools/text/convertlit/default.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp clit $out/bin
   '';
 
diff --git a/pkgs/tools/text/dadadodo/default.nix b/pkgs/tools/text/dadadodo/default.nix
index 3beb47b0696..1485bbcd467 100644
--- a/pkgs/tools/text/dadadodo/default.nix
+++ b/pkgs/tools/text/dadadodo/default.nix
@@ -21,7 +21,7 @@ rec {
   installFlags = "PREFIX=$out";
 
   doDeploy = a.fullDepEntry (''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp dadadodo $out/bin
   '') [ "minInit" "doMake" "defEnsureDir"];
       
diff --git a/pkgs/tools/text/qshowdiff/default.nix b/pkgs/tools/text/qshowdiff/default.nix
index d033cf4ba6f..7c76c7f1bca 100644
--- a/pkgs/tools/text/qshowdiff/default.nix
+++ b/pkgs/tools/text/qshowdiff/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ qt4 perl ];
 
   configurePhase = ''
-    ensureDir $out/{bin,man/man1}
+    mkdir -p $out/{bin,man/man1}
     makeFlags="PREFIX=$out"
   '';
 
diff --git a/pkgs/tools/text/replace/default.nix b/pkgs/tools/text/replace/default.nix
index 01e58146ed8..72dbdbf647f 100644
--- a/pkgs/tools/text/replace/default.nix
+++ b/pkgs/tools/text/replace/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
     makeFlags = "TREE=\$(out) MANTREE=\$(TREE)/share/man CC=${stdenv.cross.config}-gcc";
   };
 
-  preInstall = "ensureDir \$out/share/man";
+  preInstall = "mkdir -p \$out/share/man";
   postInstall = "mv \$out/bin/replace \$out/bin/replace-literal";
 
   patches = [./malloc.patch];
diff --git a/pkgs/tools/text/xml/jing/script-builder.sh b/pkgs/tools/text/xml/jing/script-builder.sh
index 0a7cdc5b8a8..d9cc8849276 100644
--- a/pkgs/tools/text/xml/jing/script-builder.sh
+++ b/pkgs/tools/text/xml/jing/script-builder.sh
@@ -1,6 +1,6 @@
 source $stdenv/setup
 
-ensureDir $out/bin
+mkdir -p $out/bin
 
 cat >> $out/bin/jing <<EOF
 #! $SHELL
diff --git a/pkgs/tools/text/xml/rxp/default.nix b/pkgs/tools/text/xml/rxp/default.nix
index 3ec035c105e..ee66cf92377 100644
--- a/pkgs/tools/text/xml/rxp/default.nix
+++ b/pkgs/tools/text/xml/rxp/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = "-D_GNU_SOURCE";
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp rxp $out/bin
   '';
   meta = {
diff --git a/pkgs/tools/text/xml/trang/builder.sh b/pkgs/tools/text/xml/trang/builder.sh
index 9ae7f7bfe92..9fe712360ba 100644
--- a/pkgs/tools/text/xml/trang/builder.sh
+++ b/pkgs/tools/text/xml/trang/builder.sh
@@ -1,10 +1,10 @@
 source $stdenv/setup
 
-ensureDir $out/jars
+mkdir -p $out/jars
 unzip -j $src '*/trang.jar'
 cp -p *.jar $out/jars
 
-ensureDir $out/bin
+mkdir -p $out/bin
 
 cat >> $out/bin/trang <<EOF
 #! $SHELL
diff --git a/pkgs/tools/typesetting/asciidoc/default.nix b/pkgs/tools/typesetting/asciidoc/default.nix
index 31c57850285..a4b9d375bce 100644
--- a/pkgs/tools/typesetting/asciidoc/default.nix
+++ b/pkgs/tools/typesetting/asciidoc/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sed -i -e "s,/etc/vim,,g" Makefile.in
   '';
 
-  preInstall = "ensureDir $out/etc/vim";
+  preInstall = "mkdir -p $out/etc/vim";
 
   buildInputs = [ python ];
 
diff --git a/pkgs/tools/typesetting/halibut/default.nix b/pkgs/tools/typesetting/halibut/default.nix
index 68c09f86e11..5a2c5fb2e06 100644
--- a/pkgs/tools/typesetting/halibut/default.nix
+++ b/pkgs/tools/typesetting/halibut/default.nix
@@ -16,8 +16,8 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/bin
-    ensureDir $out/share/man/man1
+    mkdir -p $out/bin
+    mkdir -p $out/share/man/man1
     pushd doc
     make halibut.1
     popd
diff --git a/pkgs/tools/typesetting/lhs2tex/default.nix b/pkgs/tools/typesetting/lhs2tex/default.nix
index 61e1dfb9d87..a78feaadb18 100644
--- a/pkgs/tools/typesetting/lhs2tex/default.nix
+++ b/pkgs/tools/typesetting/lhs2tex/default.nix
@@ -8,9 +8,9 @@ cabal.mkDerivation (self: {
   extraBuildInputs = [regexCompat texLive];
 
   postInstall = ''
-    ensureDir "$out/share/doc/$name"
+    mkdir -p "$out/share/doc/$name"
     cp doc/Guide2.pdf $out/share/doc/$name
-    ensureDir "$out/nix-support"
+    mkdir -p "$out/nix-support"
   '';
 
   meta = {
diff --git a/pkgs/tools/typesetting/pdfjam/builder.sh b/pkgs/tools/typesetting/pdfjam/builder.sh
index a710bc12023..9fcb80f6866 100644
--- a/pkgs/tools/typesetting/pdfjam/builder.sh
+++ b/pkgs/tools/typesetting/pdfjam/builder.sh
@@ -2,8 +2,8 @@ source $stdenv/setup
 
 tar zxvf $src
 
-ensureDir $out/bin
+mkdir -p $out/bin
 cp pdfjam/scripts/* $out/bin
 
-ensureDir $out/man/man1
+mkdir -p $out/man/man1
 cp pdfjam/man1/* $out/man/man1
diff --git a/pkgs/tools/typesetting/pdftk/default.nix b/pkgs/tools/typesetting/pdftk/default.nix
index 3a6c934928d..28a43e69598 100644
--- a/pkgs/tools/typesetting/pdftk/default.nix
+++ b/pkgs/tools/typesetting/pdftk/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   preBuild = "cd pdftk";
 
   installPhase = ''
-    ensureDir $out/bin $out/share/man/man1
+    mkdir -p $out/bin $out/share/man/man1
     cp pdftk $out/bin
     cp ../debian/pdftk.1 $out/share/man/man1
   '';
diff --git a/pkgs/tools/virtualization/amazon-ec2-ami-tools/default.nix b/pkgs/tools/virtualization/amazon-ec2-ami-tools/default.nix
index f6f32a7c5b7..d582609478b 100644
--- a/pkgs/tools/virtualization/amazon-ec2-ami-tools/default.nix
+++ b/pkgs/tools/virtualization/amazon-ec2-ami-tools/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
 
   installPhase =
     ''
-      ensureDir $out
+      mkdir -p $out
       mv * $out
       rm $out/*.txt
 
diff --git a/pkgs/tools/virtualization/amazon-ec2-api-tools/default.nix b/pkgs/tools/virtualization/amazon-ec2-api-tools/default.nix
index d79afe7e90f..73b65a7e0fc 100644
--- a/pkgs/tools/virtualization/amazon-ec2-api-tools/default.nix
+++ b/pkgs/tools/virtualization/amazon-ec2-api-tools/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   installPhase =
     ''
-      ensureDir $out
+      mkdir -p $out
       mv * $out
       rm $out/bin/*.cmd # Windows stuff