From 908d8286ce779e829609c9e1075c81f2318f6ff4 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 13 Feb 2008 18:27:19 +0000
Subject: [PATCH] =?UTF-8?q?*=20Add=20--disable-dependency-tracking=20to=20?=
 =?UTF-8?q?the=20configure=20flags=20if=20=20=20possible.=20=20This=20shou?=
 =?UTF-8?q?ld=20speed=20up=20builds=20a=20bit.=20=20(Suggested=20by=20Ludo?=
 =?UTF-8?q?vic=20=20=20Court=C3=A8s.)?=
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svn path=/nixpkgs/branches/stdenv-updates/; revision=10662
---
 pkgs/stdenv/generic/setup.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index aa76a6eb3b1..34e4e0fd902 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -609,6 +609,13 @@ configureW() {
         configureFlags="${prefixKey:---prefix=}$prefix $configureFlags"
     fi
 
+    # Add --disable-dependency-tracking to speed up some builds.
+    if test -z "$dontAddDisableDepTrack"; then
+        if grep -q dependency-tracking $configureScript; then
+            configureFlags="--disable-dependency-tracking ${prefixKey:---prefix=}$prefix $configureFlags"
+        fi
+    fi
+
     echo "configure flags: $configureFlags ${configureFlagsArray[@]}"
     $configureScript $configureFlags"${configureFlagsArray[@]}" || fail