From c556a6ea46e71e1907d78b71fab36df30297b3ad Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 18 Jan 2012 20:16:00 +0000
Subject: * "ensureDir" -> "mkdir -p".  "ensureDir" is a rather pointless  
 function, so obsolete it.

svn path=/nixpkgs/branches/stdenv-updates/; revision=31644
---
 pkgs/os-specific/linux/915resolution/default.nix     |  2 +-
 pkgs/os-specific/linux/acpi-call/default.nix         |  4 ++--
 pkgs/os-specific/linux/ati-drivers/builder.sh        |  6 +++---
 pkgs/os-specific/linux/aufs/2.1.nix                  |  2 +-
 pkgs/os-specific/linux/aufs/2.nix                    |  2 +-
 pkgs/os-specific/linux/aufs/3.nix                    |  4 ++--
 pkgs/os-specific/linux/broadcom-sta/default.nix      |  2 +-
 pkgs/os-specific/linux/cramfsswap/builder.sh         |  2 +-
 pkgs/os-specific/linux/exmap/default.nix             |  4 ++--
 pkgs/os-specific/linux/ext3cow-tools/builder.sh      |  2 +-
 .../firmware/firmware-linux-nonfree/default.nix      |  2 +-
 pkgs/os-specific/linux/firmware/ipw2100/default.nix  |  2 +-
 pkgs/os-specific/linux/firmware/ipw2200/default.nix  |  2 +-
 .../linux/firmware/iwlwifi-1000-ucode/default.nix    |  2 +-
 .../linux/firmware/iwlwifi-3945-ucode/default.nix    |  2 +-
 .../linux/firmware/iwlwifi-4965-ucode/default.nix    |  2 +-
 .../linux/firmware/iwlwifi-4965-ucode/version-2.nix  |  2 +-
 .../linux/firmware/iwlwifi-5000-ucode/default.nix    |  2 +-
 .../linux/firmware/iwlwifi-5150-ucode/default.nix    |  2 +-
 .../linux/firmware/iwlwifi-6000-ucode/default.nix    |  2 +-
 .../linux/firmware/iwlwifi-6000g2a-ucode/default.nix |  2 +-
 .../linux/firmware/iwlwifi-6000g2b-ucode/default.nix |  2 +-
 pkgs/os-specific/linux/firmware/ralink/default.nix   |  2 +-
 pkgs/os-specific/linux/firmware/rt2860/default.nix   |  2 +-
 pkgs/os-specific/linux/firmware/rt2870/default.nix   |  2 +-
 pkgs/os-specific/linux/firmware/rt73/default.nix     |  2 +-
 pkgs/os-specific/linux/firmware/rtl8192c/default.nix |  2 +-
 pkgs/os-specific/linux/firmware/zd1211/default.nix   |  2 +-
 pkgs/os-specific/linux/fxload/default.nix            |  6 +++---
 pkgs/os-specific/linux/kernel-headers/2.4.nix        |  2 +-
 pkgs/os-specific/linux/kernel-headers/2.6.28.nix     |  2 +-
 pkgs/os-specific/linux/kernel-headers/2.6.32.nix     |  2 +-
 pkgs/os-specific/linux/kernel-headers/default.nix    |  2 +-
 pkgs/os-specific/linux/kernel/builder.sh             |  4 ++--
 pkgs/os-specific/linux/klibc/shrunk.nix              |  2 +-
 pkgs/os-specific/linux/kudzu/builder.sh              |  8 ++++----
 pkgs/os-specific/linux/libcap/default.nix            |  2 +-
 pkgs/os-specific/linux/lsiutil/default.nix           |  2 +-
 pkgs/os-specific/linux/mingetty/default.nix          |  2 +-
 pkgs/os-specific/linux/nss_ldap/default.nix          |  2 +-
 pkgs/os-specific/linux/numactl/default.nix           |  2 +-
 pkgs/os-specific/linux/nvidia-x11/builder-legacy.sh  |  8 ++++----
 pkgs/os-specific/linux/nvidia-x11/builder.sh         | 20 ++++++++++----------
 pkgs/os-specific/linux/opengl/xorg-sys/builder.sh    |  2 +-
 pkgs/os-specific/linux/ov511/ov511-2.30-builder.sh   |  2 +-
 pkgs/os-specific/linux/ov511/ov511-2.32-builder.sh   |  2 +-
 pkgs/os-specific/linux/pcmciautils/default.nix       |  2 +-
 pkgs/os-specific/linux/qc-usb/builder.sh             |  2 +-
 pkgs/os-specific/linux/radeontools/default.nix       |  2 +-
 pkgs/os-specific/linux/sysklogd/builder.sh           |  6 +++---
 pkgs/os-specific/linux/tcp-wrapper/builder.sh        | 10 +++++-----
 pkgs/os-specific/linux/tunctl/default.nix            |  2 +-
 pkgs/os-specific/linux/upstart/default.nix           |  2 +-
 pkgs/os-specific/linux/wis-go7007/default.nix        |  8 ++++----
 pkgs/os-specific/linux/wpa_supplicant/default.nix    |  4 ++--
 .../linux/xf86-input-multitouch/default.nix          |  2 +-
 pkgs/os-specific/linux/xf86-input-wacom/default.nix  |  2 +-
 pkgs/os-specific/windows/mingw-headers/default.nix   |  2 +-
 pkgs/os-specific/windows/mingwrt/default.nix         |  2 +-
 pkgs/os-specific/windows/w32api/default.nix          |  2 +-
 60 files changed, 93 insertions(+), 93 deletions(-)

(limited to 'pkgs/os-specific')

diff --git a/pkgs/os-specific/linux/915resolution/default.nix b/pkgs/os-specific/linux/915resolution/default.nix
index 48ab97d91064..cfb71690ad5d 100644
--- a/pkgs/os-specific/linux/915resolution/default.nix
+++ b/pkgs/os-specific/linux/915resolution/default.nix
@@ -7,5 +7,5 @@ stdenv.mkDerivation {
     sha256 = "1m5nfzgwaglqabpm2l2mjqvigz1z0dj87cmj2pjbbzxmmpapv0lq";
   };
   buildPhase = "rm *.o 915resolution; make";
-  installPhase = "ensureDir $out/sbin; cp 915resolution $out/sbin/";
+  installPhase = "mkdir -p $out/sbin; cp 915resolution $out/sbin/";
 }
diff --git a/pkgs/os-specific/linux/acpi-call/default.nix b/pkgs/os-specific/linux/acpi-call/default.nix
index 1a9b3cbf74dc..925e2e2e6501 100644
--- a/pkgs/os-specific/linux/acpi-call/default.nix
+++ b/pkgs/os-specific/linux/acpi-call/default.nix
@@ -17,9 +17,9 @@ stdenv.mkDerivation {
  
   installPhase = ''
     kernelVersion=$(cd ${kernel}/lib/modules && ls)
-    ensureDir $out/lib/modules/$kernelVersion/misc
+    mkdir -p $out/lib/modules/$kernelVersion/misc
     cp acpi_call.ko $out/lib/modules/$kernelVersion/misc
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp test_off.sh $out/bin/test_discrete_video_off.sh
   '';
 
diff --git a/pkgs/os-specific/linux/ati-drivers/builder.sh b/pkgs/os-specific/linux/ati-drivers/builder.sh
index 1fd6234b48e2..b05093d89157 100644
--- a/pkgs/os-specific/linux/ati-drivers/builder.sh
+++ b/pkgs/os-specific/linux/ati-drivers/builder.sh
@@ -136,7 +136,7 @@ GCC_MAJOR="`gcc --version | grep -o -e ") ." | head -1 | cut -d " " -f 2`"
 
 { # install
 
-  ensureDir $out/lib/xorg
+  mkdir -p $out/lib/xorg
 
   cp -r common/usr/include $out
   cp -r common/usr/sbin $out
@@ -152,7 +152,7 @@ GCC_MAJOR="`gcc --version | grep -o -e ") ." | head -1 | cut -d " " -f 2`"
   cp -r $DIR_DEPENDING_ON_XORG_VERSION/usr/X11R6/$lib_arch/* $out/lib/xorg
 
   t=$out/lib/modules/${kernelVersion}/kernel/drivers/misc
-  ensureDir $t
+  mkdir -p $t
 
   cp ./common/lib/modules/fglrx/build_mod/2.6.x/fglrx.ko $t
 
@@ -174,7 +174,7 @@ GCC_MAJOR="`gcc --version | grep -o -e ") ." | head -1 | cut -d " " -f 2`"
 }
 
 { # build samples
-  ensureDir $out/bin
+  mkdir -p $out/bin
 
   mkdir -p samples
   cd samples
diff --git a/pkgs/os-specific/linux/aufs/2.1.nix b/pkgs/os-specific/linux/aufs/2.1.nix
index f6a3a6dffc26..1539775a2a17 100644
--- a/pkgs/os-specific/linux/aufs/2.1.nix
+++ b/pkgs/os-specific/linux/aufs/2.1.nix
@@ -31,7 +31,7 @@ stdenv.mkDerivation {
 
   installPhase =
     ''
-      ensureDir $out/lib/modules/${kernel.version}/misc
+      mkdir -p $out/lib/modules/${kernel.version}/misc
       cp -v aufs.ko $out/lib/modules/${kernel.version}/misc
 
       # Install the headers because aufs2.1-util requires them.
diff --git a/pkgs/os-specific/linux/aufs/2.nix b/pkgs/os-specific/linux/aufs/2.nix
index 696ed57b8603..4d80ddae0b87 100644
--- a/pkgs/os-specific/linux/aufs/2.nix
+++ b/pkgs/os-specific/linux/aufs/2.nix
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
 
   installPhase =
     ''
-      ensureDir $out/lib/modules/${kernel.version}/misc
+      mkdir -p $out/lib/modules/${kernel.version}/misc
       cp aufs.ko $out/lib/modules/${kernel.version}/misc
 
       # Install the headers because aufs2-util requires them.
diff --git a/pkgs/os-specific/linux/aufs/3.nix b/pkgs/os-specific/linux/aufs/3.nix
index ec3c5aec85ba..731098134b58 100644
--- a/pkgs/os-specific/linux/aufs/3.nix
+++ b/pkgs/os-specific/linux/aufs/3.nix
@@ -22,11 +22,11 @@ stdenv.mkDerivation {
 
   installPhase =
     ''
-      ensureDir $out/lib/modules/${kernel.modDirVersion}/misc
+      mkdir -p $out/lib/modules/${kernel.modDirVersion}/misc
       cp -v aufs.ko $out/lib/modules/${kernel.modDirVersion}/misc
 
       # Install the headers because aufs3-util requires them.
-      ensureDir $out/include/linux
+      mkdir -p $out/include/linux
       cp -v usr/include/linux/aufs_type.h $out/include/linux
     '';
 
diff --git a/pkgs/os-specific/linux/broadcom-sta/default.nix b/pkgs/os-specific/linux/broadcom-sta/default.nix
index 9749b1568e46..39cc2dd40800 100644
--- a/pkgs/os-specific/linux/broadcom-sta/default.nix
+++ b/pkgs/os-specific/linux/broadcom-sta/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation {
     ''
       binDir="$out/lib/modules/${kernel.modDirVersion}/kernel/net/wireless/"
       docDir="$out/share/doc/broadcom-sta/"
-      ensureDir "$binDir" "$docDir"
+      mkdir -p "$binDir" "$docDir"
       cp wl.ko "$binDir"
       cp lib/LICENSE.txt "$docDir"
     '';
diff --git a/pkgs/os-specific/linux/cramfsswap/builder.sh b/pkgs/os-specific/linux/cramfsswap/builder.sh
index 14e6a11f9d05..51a5b11dda69 100644
--- a/pkgs/os-specific/linux/cramfsswap/builder.sh
+++ b/pkgs/os-specific/linux/cramfsswap/builder.sh
@@ -1,6 +1,6 @@
 source $stdenv/setup
 
 export DESTDIR=$out
-ensureDir $out/usr/bin
+mkdir -p $out/usr/bin
 
 genericBuild
diff --git a/pkgs/os-specific/linux/exmap/default.nix b/pkgs/os-specific/linux/exmap/default.nix
index da5e00e33772..a7fb22f95e98 100644
--- a/pkgs/os-specific/linux/exmap/default.nix
+++ b/pkgs/os-specific/linux/exmap/default.nix
@@ -31,10 +31,10 @@ stdenv.mkDerivation rec {
   #checkPhase = "make test"
 
   installPhase = ''
-    ensureDir "$out/share/${name}"
+    mkdir -p "$out/share/${name}"
     cp kernel/*.ko "$out/share/${name}"
 
-    ensureDir "$out/bin"
+    mkdir -p "$out/bin"
     cp src/{gexmap,exmtool,elftool,showproc} "$out/bin"
   '';
 
diff --git a/pkgs/os-specific/linux/ext3cow-tools/builder.sh b/pkgs/os-specific/linux/ext3cow-tools/builder.sh
index 560b8d6723ab..be6e3d9ce3ad 100755
--- a/pkgs/os-specific/linux/ext3cow-tools/builder.sh
+++ b/pkgs/os-specific/linux/ext3cow-tools/builder.sh
@@ -13,7 +13,7 @@ sed -i "s/linux\/ext3cow_fs.h/$kernerlext3cowheader_slashed/" ext3cow_tools.h		#
 
 make
 
-ensureDir $out/bin/
+mkdir -p $out/bin/
 cp ss $out/bin/snapshot
 cp tt $out/bin/
 cp e2d $out/bin/
diff --git a/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix b/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
index 6ad2227ee69e..f468b183be95 100644
--- a/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
+++ b/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   patchPhase = "rm -rf debian defines TODO";
 
-  installPhase = "ensureDir $out && cp -ra * $out/";
+  installPhase = "mkdir -p $out && cp -ra * $out/";
 
   # repeat the same trick for radeon, 3com, etc.
   postInstall = "ln -s $out/realtek/rtlwifi $out/rtlwifi";
diff --git a/pkgs/os-specific/linux/firmware/ipw2100/default.nix b/pkgs/os-specific/linux/firmware/ipw2100/default.nix
index 2ffa8c3e8375..3548a841aab0 100644
--- a/pkgs/os-specific/linux/firmware/ipw2100/default.nix
+++ b/pkgs/os-specific/linux/firmware/ipw2100/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   # says: "Your rights to redistribute the Software shall be
   # contingent upon your installation of this Agreement in its
   # entirety in the same directory as the Software."
-  installPhase = "ensureDir $out; cp * $out";
+  installPhase = "mkdir -p $out; cp * $out";
   
   meta = {
     # "... you may transfer a copy of the Software ... provided such
diff --git a/pkgs/os-specific/linux/firmware/ipw2200/default.nix b/pkgs/os-specific/linux/firmware/ipw2200/default.nix
index ed6a82e0df7b..402636862eca 100644
--- a/pkgs/os-specific/linux/firmware/ipw2200/default.nix
+++ b/pkgs/os-specific/linux/firmware/ipw2200/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   # says: "Your rights to redistribute the Software shall be
   # contingent upon your installation of this Agreement in its
   # entirety in the same directory as the Software."
-  installPhase = "ensureDir $out; cp * $out";
+  installPhase = "mkdir -p $out; cp * $out";
   
   meta = {
     # "... you may transfer a copy of the Software ... provided such
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-1000-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-1000-ucode/default.nix
index c09bd5c5aca9..2660c0b2493d 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-1000-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-1000-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-3945-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-3945-ucode/default.nix
index 389d416f2a5d..afe2357995c2 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-3945-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-3945-ucode/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   
   buildPhase = "true";
 
-  installPhase = "ensureDir $out; chmod -x *; cp * $out";
+  installPhase = "mkdir -p $out; chmod -x *; cp * $out";
   
   meta = {
     description = "Firmware for the Intel 3945ABG wireless card";
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/default.nix
index b75eae6acf21..3e3ad74adb34 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
 
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/version-2.nix b/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/version-2.nix
index 0948d381f7f1..e1771c7a5cfb 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/version-2.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-4965-ucode/version-2.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-5000-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-5000-ucode/default.nix
index 8dc69e0a6a3c..b8ee5f388d19 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-5000-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-5000-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-5150-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-5150-ucode/default.nix
index 0505a940d263..0d409bd8427c 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-5150-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-5150-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-6000-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-6000-ucode/default.nix
index 5b7e2dc7b5e4..e5f3effa4b73 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-6000-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-6000-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-6000g2a-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-6000g2a-ucode/default.nix
index 80aa6d367be7..e5fe73ca4984 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-6000g2a-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-6000g2a-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/iwlwifi-6000g2b-ucode/default.nix b/pkgs/os-specific/linux/firmware/iwlwifi-6000g2b-ucode/default.nix
index 580af83ea9de..b3a2a810bf7d 100644
--- a/pkgs/os-specific/linux/firmware/iwlwifi-6000g2b-ucode/default.nix
+++ b/pkgs/os-specific/linux/firmware/iwlwifi-6000g2b-ucode/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   buildPhase = "true";
 
   installPhase = ''
-    ensureDir "$out"
+    mkdir -p "$out"
     chmod -x *
     cp * "$out"
   '';
diff --git a/pkgs/os-specific/linux/firmware/ralink/default.nix b/pkgs/os-specific/linux/firmware/ralink/default.nix
index 23513d2bf885..abf12fd672b7 100644
--- a/pkgs/os-specific/linux/firmware/ralink/default.nix
+++ b/pkgs/os-specific/linux/firmware/ralink/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   # contingent upon your installation of this Agreement in its
   # entirety in the same directory as the Software."
   installPhase = ''
-    ensureDir $out
+    mkdir -p $out
     cp $src/*.bin $out
     cp $src/LICENSE $out/ralink.LICENSE
   '';
diff --git a/pkgs/os-specific/linux/firmware/rt2860/default.nix b/pkgs/os-specific/linux/firmware/rt2860/default.nix
index 0c8accd2f6c5..0a1cb6555726 100644
--- a/pkgs/os-specific/linux/firmware/rt2860/default.nix
+++ b/pkgs/os-specific/linux/firmware/rt2860/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   # contingent upon your installation of this Agreement in its
   # entirety in the same directory as the Software."
   installPhase = ''
-    ensureDir $out
+    mkdir -p $out
     cp $src/rt2860.bin $out
     cp $src/LICENSE $out/rt2860.LICENSE
   '';
diff --git a/pkgs/os-specific/linux/firmware/rt2870/default.nix b/pkgs/os-specific/linux/firmware/rt2870/default.nix
index 388d3a503436..15de7c30586b 100644
--- a/pkgs/os-specific/linux/firmware/rt2870/default.nix
+++ b/pkgs/os-specific/linux/firmware/rt2870/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   # says: "Your rights to redistribute the Software shall be
   # contingent upon your installation of this Agreement in its
   # entirety in the same directory as the Software."
-  installPhase = "ensureDir $out/${name}; cp *.bin $out; cp *.txt $out/${name}";
+  installPhase = "mkdir -p $out/${name}; cp *.bin $out; cp *.txt $out/${name}";
   
   meta = {
     description = "Firmware for the Ralink RT2870 wireless cards";
diff --git a/pkgs/os-specific/linux/firmware/rt73/default.nix b/pkgs/os-specific/linux/firmware/rt73/default.nix
index 32c097a62df9..953931001394 100644
--- a/pkgs/os-specific/linux/firmware/rt73/default.nix
+++ b/pkgs/os-specific/linux/firmware/rt73/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   # says: "Your rights to redistribute the Software shall be
   # contingent upon your installation of this Agreement in its
   # entirety in the same directory as the Software."
-  installPhase = "ensureDir $out/${name}; cp *.bin $out; cp *.txt $out/${name}";
+  installPhase = "mkdir -p $out/${name}; cp *.bin $out; cp *.txt $out/${name}";
   
   meta = {
     description = "Firmware for the Ralink RT73 wireless card";
diff --git a/pkgs/os-specific/linux/firmware/rtl8192c/default.nix b/pkgs/os-specific/linux/firmware/rtl8192c/default.nix
index 85bbb27c67f0..7016e23581b7 100644
--- a/pkgs/os-specific/linux/firmware/rtl8192c/default.nix
+++ b/pkgs/os-specific/linux/firmware/rtl8192c/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation {
   src = firmwareLinuxNonfree;
 
   phases = [ "installPhase" ];
-  installPhase = "ensureDir $out/rtlwifi && cp $src/realtek/rtlwifi/rtl8192cfw.bin $out/rtlwifi/rtl8192cfw.bin";
+  installPhase = "mkdir -p $out/rtlwifi && cp $src/realtek/rtlwifi/rtl8192cfw.bin $out/rtlwifi/rtl8192cfw.bin";
 
   meta = {
     description = "Firmware for the Realtek RTL8192c wireless cards";
diff --git a/pkgs/os-specific/linux/firmware/zd1211/default.nix b/pkgs/os-specific/linux/firmware/zd1211/default.nix
index dfc384b7adb6..a717bd9e1171 100644
--- a/pkgs/os-specific/linux/firmware/zd1211/default.nix
+++ b/pkgs/os-specific/linux/firmware/zd1211/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   
   buildPhase = "true";
 
-  installPhase = "ensureDir $out/zd1211; cp * $out/zd1211";
+  installPhase = "mkdir -p $out/zd1211; cp * $out/zd1211";
   
   meta = {
     description = "Firmware for the ZyDAS ZD1211(b) 802.11a/b/g USB WLAN chip";
diff --git a/pkgs/os-specific/linux/fxload/default.nix b/pkgs/os-specific/linux/fxload/default.nix
index 455c11cb0a97..d21cdd78daf1 100644
--- a/pkgs/os-specific/linux/fxload/default.nix
+++ b/pkgs/os-specific/linux/fxload/default.nix
@@ -22,9 +22,9 @@ stdenv.mkDerivation {
   '';
 
   preInstall = ''
-    ensureDir $out/sbin
-    ensureDir $out/share/man/man8
-    ensureDir $out/share/usb
+    mkdir -p $out/sbin
+    mkdir -p $out/share/man/man8
+    mkdir -p $out/share/usb
   '';
 
   meta = {
diff --git a/pkgs/os-specific/linux/kernel-headers/2.4.nix b/pkgs/os-specific/linux/kernel-headers/2.4.nix
index c179801ca553..32daf5633f79 100644
--- a/pkgs/os-specific/linux/kernel-headers/2.4.nix
+++ b/pkgs/os-specific/linux/kernel-headers/2.4.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation {
   '';
 
   installPhase = ''
-    ensureDir $out/include
+    mkdir -p $out/include
     cp -a include/{asm,asm-$platform,acpi,linux,pcmcia,scsi,video} \
       $out/include
   '';
diff --git a/pkgs/os-specific/linux/kernel-headers/2.6.28.nix b/pkgs/os-specific/linux/kernel-headers/2.6.28.nix
index 98a06556a194..920ccf9363d8 100644
--- a/pkgs/os-specific/linux/kernel-headers/2.6.28.nix
+++ b/pkgs/os-specific/linux/kernel-headers/2.6.28.nix
@@ -47,7 +47,7 @@ stdenv.mkDerivation {
     make INSTALL_HDR_PATH=$out headers_install
 
     # Some builds (e.g. KVM) want a kernel.release.
-    ensureDir $out/include/config
+    mkdir -p $out/include/config
     echo "${version}-default" > $out/include/config/kernel.release
   '';
 
diff --git a/pkgs/os-specific/linux/kernel-headers/2.6.32.nix b/pkgs/os-specific/linux/kernel-headers/2.6.32.nix
index a4e866581932..a7ec522b3d66 100644
--- a/pkgs/os-specific/linux/kernel-headers/2.6.32.nix
+++ b/pkgs/os-specific/linux/kernel-headers/2.6.32.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation {
     make INSTALL_HDR_PATH=$out headers_install
 
     # Some builds (e.g. KVM) want a kernel.release.
-    ensureDir $out/include/config
+    mkdir -p $out/include/config
     echo "${version}-default" > $out/include/config/kernel.release
   '';
 
diff --git a/pkgs/os-specific/linux/kernel-headers/default.nix b/pkgs/os-specific/linux/kernel-headers/default.nix
index c0f949186c60..f5fec3d8620c 100644
--- a/pkgs/os-specific/linux/kernel-headers/default.nix
+++ b/pkgs/os-specific/linux/kernel-headers/default.nix
@@ -48,7 +48,7 @@ stdenv.mkDerivation {
     make INSTALL_HDR_PATH=$out headers_install
 
     # Some builds (e.g. KVM) want a kernel.release.
-    ensureDir $out/include/config
+    mkdir -p $out/include/config
     echo "${version}-default" > $out/include/config/kernel.release
   '';
 
diff --git a/pkgs/os-specific/linux/kernel/builder.sh b/pkgs/os-specific/linux/kernel/builder.sh
index 61cb8f280810..5d6d48d2fc3d 100644
--- a/pkgs/os-specific/linux/kernel/builder.sh
+++ b/pkgs/os-specific/linux/kernel/builder.sh
@@ -48,7 +48,7 @@ configurePhase() {
 
 installPhase() {
 
-    ensureDir $out
+    mkdir -p $out
 
     # New kernel versions have a combined tree for i386 and x86_64.
     archDir=$arch
@@ -60,7 +60,7 @@ installPhase() {
     # Copy the bzImage and System.map.
     cp System.map $out
     if test "$arch" = um; then
-        ensureDir $out/bin
+        mkdir -p $out/bin
         cp linux $out/bin
     elif test "$kernelTarget" != "vmlinux"; then
         # In any case we copy the 'vmlinux' ELF in the next lines
diff --git a/pkgs/os-specific/linux/klibc/shrunk.nix b/pkgs/os-specific/linux/klibc/shrunk.nix
index ff72d1f72b84..066b4fcb4e06 100644
--- a/pkgs/os-specific/linux/klibc/shrunk.nix
+++ b/pkgs/os-specific/linux/klibc/shrunk.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   #name = "${klibc.name}-shrunk";
   name = "${klibc.name}";
   buildCommand = ''
-    ensureDir $out/lib
+    mkdir -p $out/lib
     cp -prd ${klibc}/lib/klibc/bin $out/
     cp -p ${klibc}/lib/*.so $out/lib/
     chmod +w $out/*
diff --git a/pkgs/os-specific/linux/kudzu/builder.sh b/pkgs/os-specific/linux/kudzu/builder.sh
index 744d1d516a33..002bac8a1db8 100644
--- a/pkgs/os-specific/linux/kudzu/builder.sh
+++ b/pkgs/os-specific/linux/kudzu/builder.sh
@@ -3,10 +3,10 @@ source $stdenv/setup
 export DESTDIR=$out
 
 preInstall() {
-  ensureDir $out
-  ensureDir $out/etc
-  ensureDir $out/sbin
-  ensureDir $out/usr
+  mkdir -p $out
+  mkdir -p $out/etc
+  mkdir -p $out/sbin
+  mkdir -p $out/usr
   make install-program
 }
 
diff --git a/pkgs/os-specific/linux/libcap/default.nix b/pkgs/os-specific/linux/libcap/default.nix
index d8cb393ac38b..c279393d7a40 100644
--- a/pkgs/os-specific/linux/libcap/default.nix
+++ b/pkgs/os-specific/linux/libcap/default.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   passthru = {
     postinst = n : ''
-      ensureDir $out/share/doc/${n}
+      mkdir -p $out/share/doc/${n}
       cp ../License $out/share/doc/${n}/License
     '';
   };
diff --git a/pkgs/os-specific/linux/lsiutil/default.nix b/pkgs/os-specific/linux/lsiutil/default.nix
index 09cd4ab037c9..700455d5f8b9 100644
--- a/pkgs/os-specific/linux/lsiutil/default.nix
+++ b/pkgs/os-specific/linux/lsiutil/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   preBuild =
     ''
-      ensureDir $out/bin
+      mkdir -p $out/bin
       substituteInPlace Makefile --replace /usr/bin $out/bin
       substituteInPlace lsiutil.c \
         --replace /sbin/modprobe modprobe \
diff --git a/pkgs/os-specific/linux/mingetty/default.nix b/pkgs/os-specific/linux/mingetty/default.nix
index b27baa5480b9..192e2c7ac5f9 100644
--- a/pkgs/os-specific/linux/mingetty/default.nix
+++ b/pkgs/os-specific/linux/mingetty/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   };
 
   preInstall = ''
-    ensureDir $out/sbin $out/share/man/man8
+    mkdir -p $out/sbin $out/share/man/man8
     makeFlagsArray=(SBINDIR=$out/sbin MANDIR=$out/share/man/man8)
   '';
 
diff --git a/pkgs/os-specific/linux/nss_ldap/default.nix b/pkgs/os-specific/linux/nss_ldap/default.nix
index 34de51081648..7c8b526b4c37 100644
--- a/pkgs/os-specific/linux/nss_ldap/default.nix
+++ b/pkgs/os-specific/linux/nss_ldap/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     substituteInPlace Makefile \
       --replace '/usr$(libdir)' $TMPDIR \
       --replace 'install-data-local:' 'install-data-local-disabled:'
-    ensureDir $out/etc
+    mkdir -p $out/etc
   '';
 
   buildInputs = [openldap];
diff --git a/pkgs/os-specific/linux/numactl/default.nix b/pkgs/os-specific/linux/numactl/default.nix
index f329db90cb20..b92408058657 100644
--- a/pkgs/os-specific/linux/numactl/default.nix
+++ b/pkgs/os-specific/linux/numactl/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   preInstall = ''
     # The `install' rule expects this directory to be available.
-    ensureDir "$out/share/man/man5"
+    mkdir -p "$out/share/man/man5"
   '';
 
   meta = {
diff --git a/pkgs/os-specific/linux/nvidia-x11/builder-legacy.sh b/pkgs/os-specific/linux/nvidia-x11/builder-legacy.sh
index 6941288b3903..e0af21759c9d 100755
--- a/pkgs/os-specific/linux/nvidia-x11/builder-legacy.sh
+++ b/pkgs/os-specific/linux/nvidia-x11/builder-legacy.sh
@@ -36,7 +36,7 @@ buildPhase() {
 installPhase() {
 
     # Install libGL and friends.
-    ensureDir $out/lib
+    mkdir -p $out/lib
     cp -prd usr/lib/* usr/X11R6/lib/libXv* $out/lib/
 
     ln -snf libGLcore.so.$versionNumber $out/lib/libGLcore.so
@@ -59,11 +59,11 @@ installPhase() {
     if test -z "$libsOnly"; then
         
         # Install the kernel module.
-        ensureDir $out/lib/modules/$kernelVersion/misc
+        mkdir -p $out/lib/modules/$kernelVersion/misc
         cp usr/src/nv/nvidia.ko $out/lib/modules/$kernelVersion/misc
 
         # Install the X driver.
-        ensureDir $out/lib/xorg/modules
+        mkdir -p $out/lib/xorg/modules
         cp -prd usr/X11R6/lib/modules/* $out/lib/xorg/modules/
 
         ln -snf libnvidia-wfb.so.$versionNumber $out/lib/xorg/modules/libnvidia-wfb.so.1
@@ -72,7 +72,7 @@ installPhase() {
         patchelf --set-rpath $out/lib $out/lib/xorg/modules/extensions/libglx.so.*.*
 
         # Install the programs.
-        ensureDir $out/bin
+        mkdir -p $out/bin
 
         for i in nvidia-settings nvidia-xconfig; do
 	    cp usr/bin/$i $out/bin/$i
diff --git a/pkgs/os-specific/linux/nvidia-x11/builder.sh b/pkgs/os-specific/linux/nvidia-x11/builder.sh
index 180eb84e5e4f..b0d2bf35c52a 100755
--- a/pkgs/os-specific/linux/nvidia-x11/builder.sh
+++ b/pkgs/os-specific/linux/nvidia-x11/builder.sh
@@ -27,7 +27,7 @@ buildPhase() {
 installPhase() {
 
     # Install libGL and friends.
-    ensureDir $out/lib
+    mkdir -p $out/lib
     cp -prd libcuda.* libGL.* libnvidia-cfg.* libnvidia-compiler.* libnvidia-tls.* libnvidia-glcore.* libOpenCL.* libXv* libvdpau_nvidia* tls $out/lib/
     
     ln -snf libnvidia-glcore.so.$versionNumber $out/lib/libnvidia-glcore.so
@@ -50,15 +50,15 @@ installPhase() {
     if test -z "$libsOnly"; then
         
         # Install the kernel module.
-        ensureDir $out/lib/modules/$kernelVersion/misc
+        mkdir -p $out/lib/modules/$kernelVersion/misc
         cp kernel/nvidia.ko $out/lib/modules/$kernelVersion/misc
 
         # Install the X driver.
-        ensureDir $out/lib/xorg/modules
+        mkdir -p $out/lib/xorg/modules
         cp -p libnvidia-wfb.* $out/lib/xorg/modules/
-        ensureDir $out/lib/xorg/modules/drivers
+        mkdir -p $out/lib/xorg/modules/drivers
         cp -p nvidia_drv.so $out/lib/xorg/modules/drivers
-        ensureDir $out/lib/xorg/modules/extensions
+        mkdir -p $out/lib/xorg/modules/extensions
         cp -p libglx.so.* $out/lib/xorg/modules/extensions
 
         ln -snf libnvidia-wfb.so.$versionNumber $out/lib/xorg/modules/libnvidia-wfb.so.1
@@ -67,7 +67,7 @@ installPhase() {
         patchelf --set-rpath $out/lib $out/lib/xorg/modules/extensions/libglx.so.*.*
 
         # Install the programs.
-        ensureDir $out/bin
+        mkdir -p $out/bin
 
         for i in nvidia-settings nvidia-xconfig; do
 	    cp $i $out/bin/$i
@@ -76,16 +76,16 @@ installPhase() {
         done
     
         # Header files etc.
-        ensureDir $out/include/nvidia
+        mkdir -p $out/include/nvidia
         cp -p *.h $out/include/nvidia
 
-        ensureDir $out/share/man/man1
+        mkdir -p $out/share/man/man1
         cp -p *.1.gz $out/share/man/man1
 
-        ensureDir $out/share/applications
+        mkdir -p $out/share/applications
         cp -p *.desktop $out/share/applications
 
-        ensureDir $out/share/pixmaps
+        mkdir -p $out/share/pixmaps
         cp -p nvidia-settings.png $out/share/pixmaps
 
         # Patch the `nvidia-settings.desktop' file.
diff --git a/pkgs/os-specific/linux/opengl/xorg-sys/builder.sh b/pkgs/os-specific/linux/opengl/xorg-sys/builder.sh
index 7ab20855bd31..cd21899e60e7 100644
--- a/pkgs/os-specific/linux/opengl/xorg-sys/builder.sh
+++ b/pkgs/os-specific/linux/opengl/xorg-sys/builder.sh
@@ -1,6 +1,6 @@
 source $stdenv/setup
 
-ensureDir $out/lib
+mkdir -p $out/lib
 
 ln -s /usr/lib/libGL.so.1 $out/lib/
 ln -s /usr/lib/libGLU.so.1 $out/lib/
diff --git a/pkgs/os-specific/linux/ov511/ov511-2.30-builder.sh b/pkgs/os-specific/linux/ov511/ov511-2.30-builder.sh
index 8bb282cacf75..21a2ac725ca7 100644
--- a/pkgs/os-specific/linux/ov511/ov511-2.30-builder.sh
+++ b/pkgs/os-specific/linux/ov511/ov511-2.30-builder.sh
@@ -13,6 +13,6 @@ echo "version $version"
 
 export version
 
-ensureDir $out/lib/modules/$version/kernel/drivers/usb/media/
+mkdir -p $out/lib/modules/$version/kernel/drivers/usb/media/
 
 genericBuild
diff --git a/pkgs/os-specific/linux/ov511/ov511-2.32-builder.sh b/pkgs/os-specific/linux/ov511/ov511-2.32-builder.sh
index c189c2e17068..636b19a95af2 100644
--- a/pkgs/os-specific/linux/ov511/ov511-2.32-builder.sh
+++ b/pkgs/os-specific/linux/ov511/ov511-2.32-builder.sh
@@ -13,7 +13,7 @@ echo "version $version"
 
 export version
 
-ensureDir $out/lib/modules/$version/kernel/drivers/usb/media/
+mkdir -p $out/lib/modules/$version/kernel/drivers/usb/media/
 
 genericBuild
 
diff --git a/pkgs/os-specific/linux/pcmciautils/default.nix b/pkgs/os-specific/linux/pcmciautils/default.nix
index a8b885d8a944..b53c61c754ae 100644
--- a/pkgs/os-specific/linux/pcmciautils/default.nix
+++ b/pkgs/os-specific/linux/pcmciautils/default.nix
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     lib.concatMapStrings (path: ''
       for f in : $(find ${path} -type f); do
         test "$f" == ":" && continue;
-        ensureDir $(dirname $out/lib/firmware/$\{f#${path}});
+        mkdir -p $(dirname $out/lib/firmware/$\{f#${path}});
         ln -s $f $out/lib/firmware/$\{f#${path}};
       done;
     '') firmware;
diff --git a/pkgs/os-specific/linux/qc-usb/builder.sh b/pkgs/os-specific/linux/qc-usb/builder.sh
index a43138fa84fe..041be1153285 100644
--- a/pkgs/os-specific/linux/qc-usb/builder.sh
+++ b/pkgs/os-specific/linux/qc-usb/builder.sh
@@ -13,7 +13,7 @@ echo "version $version"
 
 export version
 
-ensureDir $out/lib/modules/$version/misc
+mkdir -p $out/lib/modules/$version/misc
 
 LINUX_DIR=$kernel/lib/modules/$version/build
 PREFIX=$out
diff --git a/pkgs/os-specific/linux/radeontools/default.nix b/pkgs/os-specific/linux/radeontools/default.nix
index ff3cad3fe98f..4dbe7e54247a 100644
--- a/pkgs/os-specific/linux/radeontools/default.nix
+++ b/pkgs/os-specific/linux/radeontools/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   };
 
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     chmod +x lightwatch.pl
     cp radeontool lightwatch.pl $out/bin
   '';
diff --git a/pkgs/os-specific/linux/sysklogd/builder.sh b/pkgs/os-specific/linux/sysklogd/builder.sh
index 62df45ea7c95..d466f075652c 100644
--- a/pkgs/os-specific/linux/sysklogd/builder.sh
+++ b/pkgs/os-specific/linux/sysklogd/builder.sh
@@ -6,8 +6,8 @@ export prefix
 installFlags="BINDIR=$out/sbin MANDIR=$out/share/man INSTALL=install"
 patchPhase="sed -e 's@-o \${MAN_USER} -g \${MAN_GROUP} -m \${MAN_PERMS} @@' -i Makefile"
 
-ensureDir "$out/share/man/man8/"
-ensureDir "$out/share/man/man5/"
-ensureDir "$out/sbin"
+mkdir -p "$out/share/man/man8/"
+mkdir -p "$out/share/man/man5/"
+mkdir -p "$out/sbin"
 
 genericBuild
diff --git a/pkgs/os-specific/linux/tcp-wrapper/builder.sh b/pkgs/os-specific/linux/tcp-wrapper/builder.sh
index 58bc1d4409d1..7ea574fcf232 100644
--- a/pkgs/os-specific/linux/tcp-wrapper/builder.sh
+++ b/pkgs/os-specific/linux/tcp-wrapper/builder.sh
@@ -22,18 +22,18 @@ echo "building..."
 make REAL_DAEMON_DIR="$out/sbin" linux
 
 # Install
-ensureDir "$out/sbin"
+mkdir -p "$out/sbin"
 cp -v safe_finger tcpd tcpdchk tcpdmatch try-from "$out/sbin"
 
-ensureDir "$out/lib"
+mkdir -p "$out/lib"
 cp -v shared/lib*.so* "$out/lib"
 
-ensureDir "$out/include"
+mkdir -p "$out/include"
 cp -v *.h "$out/include"
 
-ensureDir "$out/man"
+mkdir -p "$out/man"
 for i in 3 5 8;
 do
-  ensureDir "$out/man/man$i"
+  mkdir -p "$out/man/man$i"
   cp *.$i "$out/man/man$i" ;
 done
diff --git a/pkgs/os-specific/linux/tunctl/default.nix b/pkgs/os-specific/linux/tunctl/default.nix
index f4c3aad938f2..8ea3599ff198 100644
--- a/pkgs/os-specific/linux/tunctl/default.nix
+++ b/pkgs/os-specific/linux/tunctl/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
 
   makeFlags = [ "tunctl" ];
   installPhase = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp tunctl $out/bin
   '';
 
diff --git a/pkgs/os-specific/linux/upstart/default.nix b/pkgs/os-specific/linux/upstart/default.nix
index 4e440770ef98..3c5fb2283cda 100644
--- a/pkgs/os-specific/linux/upstart/default.nix
+++ b/pkgs/os-specific/linux/upstart/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   postInstall =
     ''
       t=$out/etc/bash_completion.d
-      ensureDir $t
+      mkdir -p $t
       cp ${./upstart-bash-completion} $t/upstart
     '';
 
diff --git a/pkgs/os-specific/linux/wis-go7007/default.nix b/pkgs/os-specific/linux/wis-go7007/default.nix
index 73e5694572af..4fff3ed37c0c 100644
--- a/pkgs/os-specific/linux/wis-go7007/default.nix
+++ b/pkgs/os-specific/linux/wis-go7007/default.nix
@@ -61,9 +61,9 @@ stdenv.mkDerivation {
     substituteInPlace Makefile \
         --replace '$(DESTDIR)$(KSRC)/include/linux' $includeDir \
         --replace '$(DESTDIR)$(FIRMWARE_DIR)' '$(FIRMWARE_DIR)'
-    ensureDir $includeDir
-    ensureDir $out/etc/hotplug/usb
-    ensureDir $out/etc/udev/rules.d
+    mkdir -p $includeDir
+    mkdir -p $out/etc/hotplug/usb
+    mkdir -p $out/etc/udev/rules.d
  
     makeFlagsArray=(KERNELSRC=$kernelSource \
         FIRMWARE_DIR=$out/firmware FXLOAD=${fxload}/sbin/fxload \
@@ -72,7 +72,7 @@ stdenv.mkDerivation {
   ''; # */
 
   postInstall = ''
-    ensureDir $out/bin
+    mkdir -p $out/bin
     cp apps/gorecord apps/modet $out/bin/
   '';
 
diff --git a/pkgs/os-specific/linux/wpa_supplicant/default.nix b/pkgs/os-specific/linux/wpa_supplicant/default.nix
index fcb6641dfd99..a0e426e482bd 100644
--- a/pkgs/os-specific/linux/wpa_supplicant/default.nix
+++ b/pkgs/os-specific/linux/wpa_supplicant/default.nix
@@ -35,10 +35,10 @@ in
     }) ];
 
   postInstall = ''
-    ensureDir $out/share/man/man5 $out/share/man/man8
+    mkdir -p $out/share/man/man5 $out/share/man/man8
     cp -v doc/docbook/*.5 $out/share/man/man5/
     cp -v doc/docbook/*.8 $out/share/man/man8/
-    ensureDir $out/etc/dbus-1/system.d $out/share/dbus-1/system-services
+    mkdir -p $out/etc/dbus-1/system.d $out/share/dbus-1/system-services
     cp -v dbus/*service $out/share/dbus-1/system-services
     sed -e "s@/sbin/wpa_supplicant@$out&@" -i $out/share/dbus-1/system-services/*
     cp -v dbus/dbus-wpa_supplicant.conf $out/etc/dbus-1/system.d
diff --git a/pkgs/os-specific/linux/xf86-input-multitouch/default.nix b/pkgs/os-specific/linux/xf86-input-multitouch/default.nix
index f04297096d2f..c5cc5f3b68f0 100644
--- a/pkgs/os-specific/linux/xf86-input-multitouch/default.nix
+++ b/pkgs/os-specific/linux/xf86-input-multitouch/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
 
   installPhase = ''
     make DESTDIR="$out" LIBDIR="lib" install
-    ensureDir $out/include/xorg
+    mkdir -p $out/include/xorg
     echo -n "$confFile" > $out/include/xorg/10-multitouch.conf
   '';
 
diff --git a/pkgs/os-specific/linux/xf86-input-wacom/default.nix b/pkgs/os-specific/linux/xf86-input-wacom/default.nix
index 9cc25174c51f..98446c708671 100644
--- a/pkgs/os-specific/linux/xf86-input-wacom/default.nix
+++ b/pkgs/os-specific/linux/xf86-input-wacom/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     ncurses pkgconfig randrproto xorgserver xproto udev ];
 
   preConfigure = ''
-    ensureDir $out/share/X11/xorg.conf.d
+    mkdir -p $out/share/X11/xorg.conf.d
     configureFlags="--with-xorg-module-dir=$out/lib/xorg/modules
     --with-sdkdir=$out/include/xorg --with-xorg-conf-dir=$out/share/X11/xorg.conf.d"
   '';
diff --git a/pkgs/os-specific/windows/mingw-headers/default.nix b/pkgs/os-specific/windows/mingw-headers/default.nix
index c4e0063feecb..c6941ef01f0a 100644
--- a/pkgs/os-specific/windows/mingw-headers/default.nix
+++ b/pkgs/os-specific/windows/mingw-headers/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   phases = [ "installPhase" ];
 
   installPhase = ''
-    ensureDir $out/include
+    mkdir -p $out/include
     cp -R ${mingw_runtime_headers}/include/* $out/include
     cp -R ${w32api_headers}/include/* $out/include
   '';
diff --git a/pkgs/os-specific/windows/mingwrt/default.nix b/pkgs/os-specific/windows/mingwrt/default.nix
index aecf43c9123b..434c439cd78e 100644
--- a/pkgs/os-specific/windows/mingwrt/default.nix
+++ b/pkgs/os-specific/windows/mingwrt/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation (rec {
   name = name + "-headers";
   phases = [ "unpackPhase" "installPhase" ];
   installPhase = ''
-    ensureDir $out
+    mkdir -p $out
     cp -R include $out
   '';
 } else {
diff --git a/pkgs/os-specific/windows/w32api/default.nix b/pkgs/os-specific/windows/w32api/default.nix
index 570b83f671e5..56ab80c72355 100644
--- a/pkgs/os-specific/windows/w32api/default.nix
+++ b/pkgs/os-specific/windows/w32api/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation ({
   name = name + "-headers";
   phases = [ "unpackPhase" "installPhase" ];
   installPhase = ''
-    ensureDir $out
+    mkdir -p $out
     cp -R include $out
   '';
 } else {
-- 
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