From e0d03c43bf2deb01b27a61154560df8576f305eb Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@gmail.com>
Date: Mon, 30 May 2016 16:29:41 -0500
Subject: [PATCH] qt56: make symlink farm for CMake builds like QMake

---
 .../libraries/qt-5/5.6/default.nix            |   4 +-
 .../libraries/qt-5/5.6/qmake-hook.sh          | 101 ++----------------
 .../libraries/qt-5/5.6/qtbase/default.nix     |   4 +-
 .../libraries/qt-5/5.6/qtbase/setup-hook.sh   |  79 ++++++++++++++
 .../libraries/qt-5/5.6/setup-hook.sh          |   7 ++
 5 files changed, 98 insertions(+), 97 deletions(-)
 create mode 100644 pkgs/development/libraries/qt-5/5.6/setup-hook.sh

diff --git a/pkgs/development/libraries/qt-5/5.6/default.nix b/pkgs/development/libraries/qt-5/5.6/default.nix
index 4aada4224dac..0d095517c568 100644
--- a/pkgs/development/libraries/qt-5/5.6/default.nix
+++ b/pkgs/development/libraries/qt-5/5.6/default.nix
@@ -52,6 +52,8 @@ let
       outputs = args.outputs or [ "dev" "out" ];
       setOutputFlags = args.setOutputFlags or false;
 
+      setupHook = ./setup-hook.sh;
+
       enableParallelBuilding = args.enableParallelBuilding or true;
 
       meta = self.qtbase.meta // (args.meta or {});
@@ -111,7 +113,7 @@ let
       ];
 
       makeQtWrapper = makeSetupHook { deps = [ makeWrapper ]; } ./make-qt-wrapper.sh;
-      qmakeHook = makeSetupHook { substitutions = { qt_dev = qtbase.dev; lndir = pkgs.xorg.lndir; }; } ./qmake-hook.sh;
+      qmakeHook = makeSetupHook { deps = [ self.qtbase ]; } ./qmake-hook.sh;
 
     };
 
diff --git a/pkgs/development/libraries/qt-5/5.6/qmake-hook.sh b/pkgs/development/libraries/qt-5/5.6/qmake-hook.sh
index 9fd4735209ce..696b4ea8dad3 100644
--- a/pkgs/development/libraries/qt-5/5.6/qmake-hook.sh
+++ b/pkgs/development/libraries/qt-5/5.6/qmake-hook.sh
@@ -1,48 +1,14 @@
-if [[ -z "$QMAKE" ]]; then
+qmakeConfigurePhase() {
+    runHook preConfigure
 
-_qtLinkDependencyDir() {
-    @lndir@/bin/lndir -silent "$1/$2" "$qtOut/$2"
-    if [ -n "$NIX_QT_SUBMODULE" ]; then
-        find "$1/$2" -printf "$2/%P\n" >> "$out/nix-support/qt-inputs"
-    fi
+    qmake PREFIX=$out $qmakeFlags
+
+    runHook postConfigure
 }
 
-_qtLinkModule() {
-    if [ -d "$1/mkspecs" ]; then
-        # $1 is a Qt module
-        _qtLinkDependencyDir "$1" mkspecs
-
-        for dir in bin include lib share; do
-            if [ -d "$1/$dir" ]; then
-                _qtLinkDependencyDir "$1" "$dir"
-            fi
-        done
-    fi
-}
-
-_qtRmModules() {
-    cat "$out/nix-support/qt-inputs" | while read file; do
-      if [ -h "$out/$file" ]; then
-        rm "$out/$file"
-      fi
-    done
-
-    cat "$out/nix-support/qt-inputs" | while read file; do
-      if [ -d "$out/$file" ]; then
-        rmdir --ignore-fail-on-non-empty -p "$out/$file"
-      fi
-    done
-
-    rm "$out/nix-support/qt-inputs"
-}
-
-_qtRmQmake() {
-    rm "$qtOut/bin/qmake" "$qtOut/bin/qt.conf"
-}
-
-_qtSetQmakePath() {
-    export PATH="$qtOut/bin${PATH:+:}$PATH"
-}
+if [ -z "$dontUseQmakeConfigure" -a -z "$configurePhase" ]; then
+    configurePhase=qmakeConfigurePhase
+fi
 
 _qtModuleMultioutDevsPre() {
     # We cannot simply set these paths in configureFlags because libQtCore retains
@@ -65,63 +31,12 @@ _qtModuleMultioutDevsPost() {
                     mkdir -p "${!outputDev}/$(dirname "$file")"
                     mv "${!outputLib}/$file" "${!outputDev}/$file"
                 done
-
-            # Ensure that CMake can find the shared libraries
-            mkdir -p "${!outputDev}/lib"
-            @lndir@/bin/lndir -silent "${!outputLib}/lib" "${!outputDev}/lib"
         fi
         popd
     fi
 }
 
-_qtRmQtOut() {
-    rm -fr "$qtOut"
-}
-
-qmakeConfigurePhase() {
-    runHook preConfigure
-
-    qmake PREFIX=$out $qmakeFlags
-
-    runHook postConfigure
-}
-
-qtOut=""
-if [[ -z "$NIX_QT_SUBMODULE" ]]; then
-    qtOut=`mktemp -d`
-else
-    qtOut=$out
-fi
-
-mkdir -p "$qtOut/bin" "$qtOut/mkspecs" "$qtOut/include" "$qtOut/nix-support" "$qtOut/lib" "$qtOut/share"
-
-cp "@qt_dev@/bin/qmake" "$qtOut/bin"
-cat >"$qtOut/bin/qt.conf" <<EOF
-[Paths]
-Prefix = $qtOut
-Plugins = lib/qt5/plugins
-Imports = lib/qt5/imports
-Qml2Imports = lib/qt5/qml
-Documentation = share/doc/qt5
-EOF
-
-export QMAKE="$qtOut/bin/qmake"
-
-envHooks+=(_qtLinkModule)
-# Set PATH to find qmake first in a preConfigure hook
-# It must run after all the envHooks!
-postHooks+=(_qtSetQmakePath)
-
-if [ -z "$dontUseQmakeConfigure" -a -z "$configurePhase" ]; then
-    configurePhase=qmakeConfigurePhase
-fi
-
 if [ -n "$NIX_QT_SUBMODULE" ]; then
-    postInstallHooks+=(_qtRmQmake _qtRmModules)
     preFixupHooks+=(_qtModuleMultioutDevsPre)
     postFixupHooks+=(_qtModuleMultioutDevsPost)
-else
-    postInstallHooks+=(_qtRmQtOut)
-fi
-
 fi
diff --git a/pkgs/development/libraries/qt-5/5.6/qtbase/default.nix b/pkgs/development/libraries/qt-5/5.6/qtbase/default.nix
index 8cc876de3d1c..cd7af6823131 100644
--- a/pkgs/development/libraries/qt-5/5.6/qtbase/default.nix
+++ b/pkgs/development/libraries/qt-5/5.6/qtbase/default.nix
@@ -253,12 +253,10 @@ stdenv.mkDerivation {
                   mv "''${!outputLib}/$file" "''${!outputDev}/$file"
               done
           popd
-
-          # Ensure that CMake can find the shared libraries
-          lndir -silent "''${!outputLib}/lib" "''${!outputDev}/lib"
       fi
     '';
 
+  inherit lndir;
   setupHook = ./setup-hook.sh;
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/qt-5/5.6/qtbase/setup-hook.sh b/pkgs/development/libraries/qt-5/5.6/qtbase/setup-hook.sh
index a9c4fbc855f7..d1ad9584aa7e 100644
--- a/pkgs/development/libraries/qt-5/5.6/qtbase/setup-hook.sh
+++ b/pkgs/development/libraries/qt-5/5.6/qtbase/setup-hook.sh
@@ -50,3 +50,82 @@ if [[ -z "$NIX_QT_PIC" ]]; then
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE${NIX_CFLAGS_COMPILE:+ }-fPIC"
     export NIX_QT_PIC=1
 fi
+
+_qtSetCMakePrefix() {
+    export CMAKE_PREFIX_PATH="$NIX_QT5_TMP${CMAKE_PREFIX_PATH:+:}${CMAKE_PREFIX_PATH}"
+}
+
+_qtRmTmp() {
+    if [ -z "$NIX_QT_SUBMODULE" ]; then
+        rm -fr "$NIX_QT5_TMP"
+    else
+        cat "$NIX_QT5_TMP/nix-support/qt-inputs" | while read file; do
+            if [ ! -d "$NIX_QT5_TMP/$file" ]; then
+                rm -f "$NIX_QT5_TMP/$file"
+            fi
+        done
+
+        cat "$NIX_QT5_TMP/nix-support/qt-inputs" | while read dir; do
+            if [ -d "$NIX_QT5_TMP/$dir" ]; then
+                rmdir --ignore-fail-on-non-empty -p "$NIX_QT5_TMP/$dir"
+            fi
+        done
+
+        rm "$NIX_QT5_TMP/nix-support/qt-inputs"
+    fi
+}
+
+_qtSetQmakePath() {
+    export PATH="$NIX_QT5_TMP/bin${PATH:+:}$PATH"
+}
+
+if [ -z "$NIX_QT5_TMP" ]; then
+    if [ -z "$NIX_QT_SUBMODULE" ]; then
+        NIX_QT5_TMP=$(mktemp -d)
+    else
+        NIX_QT5_TMP=$out
+    fi
+    postInstallHooks+=(_qtRmTmp)
+
+    mkdir -p "$NIX_QT5_TMP/nix-support"
+    for subdir in bin include lib mkspecs share; do
+        mkdir "$NIX_QT5_TMP/$subdir"
+        echo "$subdir/" >> "$NIX_QT5_TMP/nix-support/qt-inputs"
+    done
+
+    postHooks+=(_qtSetCMakePrefix)
+
+    cp "@dev@/bin/qmake" "$NIX_QT5_TMP/bin"
+    echo "bin/qmake" >> "$NIX_QT5_TMP/nix-support/qt-inputs"
+
+    cat >"$NIX_QT5_TMP/bin/qt.conf" <<EOF
+[Paths]
+Prefix = $NIX_QT5_TMP
+Plugins = lib/qt5/plugins
+Imports = lib/qt5/imports
+Qml2Imports = lib/qt5/qml
+Documentation = share/doc/qt5
+EOF
+    echo "bin/qt.conf" >> "$NIX_QT5_TMP/nix-support/qt-inputs"
+
+    export QMAKE="$NIX_QT5_TMP/bin/qmake"
+
+    # Set PATH to find qmake first in a preConfigure hook
+    # It must run after all the envHooks!
+    postHooks+=(_qtSetQmakePath)
+fi
+
+qt5LinkModuleDir() {
+    if [ -d "$1/$2" ]; then
+        @lndir@/bin/lndir -silent "$1/$2" "$NIX_QT5_TMP/$2"
+        find "$1/$2" -printf "$2/%P\n" >> "$NIX_QT5_TMP/nix-support/qt-inputs"
+    fi
+}
+
+qt5LinkModuleDir @out@ "lib"
+
+qt5LinkModuleDir @dev@ "bin"
+qt5LinkModuleDir @dev@ "include"
+qt5LinkModuleDir @dev@ "lib"
+qt5LinkModuleDir @dev@ "mkspecs"
+qt5LinkModuleDir @dev@ "share"
diff --git a/pkgs/development/libraries/qt-5/5.6/setup-hook.sh b/pkgs/development/libraries/qt-5/5.6/setup-hook.sh
new file mode 100644
index 000000000000..212ac903eeeb
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.6/setup-hook.sh
@@ -0,0 +1,7 @@
+qt5LinkModuleDir @out@ "lib"
+
+qt5LinkModuleDir @dev@ "bin"
+qt5LinkModuleDir @dev@ "include"
+qt5LinkModuleDir @dev@ "lib"
+qt5LinkModuleDir @dev@ "mkspecs"
+qt5LinkModuleDir @dev@ "share"