Added FindQt.sh to ${CMAKE_SOURCE_DIR}

Signed-off-by: Justin Dickow <jjdickow@gmail.com>

diff --git a/SDL_Core/FindQt.sh b/SDL_Core/FindQt.sh
new file mode 100644 (file)
index 0000000..71a7b10
--- /dev/null
+++ b/SDL_Core/FindQt.sh
@@ -0,0 +1,174 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2013, Ford Motor Company
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided with the
+# distribution.
+#
+# Neither the name of the Ford Motor Company nor the names of its contributors
+# may be used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+usage() {
+  echo "Usage: $0 [-v <version>] [-b] [<file name>]"
+  echo
+  echo "       Look for file in Qt directory."
+  echo "       If file name isn't set then look for bin directory."
+  echo
+  echo "       -v <version>  look for Qt specific version x.x.x"
+  echo "       -b look for binary file"
+  echo
+}
+
+version2int() {
+  IFS="."
+  local ver=0
+  for i in $1; do
+    ver=$(( $ver * 32 + $i ))
+  done
+  echo $ver
+}
+
+version_match() {
+  v1=$(version2int $1)
+  v2=$(version2int $2)
+  # It's bash way to say "if ((version1 < version2) and (major1 == major2))
+  if [[ ( $v1 -le $v2 ) && ( $(( ($v1 / 1024) - ($v2 / 1024) )) == 0 ) ]]; then
+    return 0;
+  else
+    return 1;
+  fi
+}
+
+qmake_data() {
+  $1 --version 2>/dev/null | grep "Using Qt version" | sed "s/.*Qt version \\([0-9\\.]*\\) in \\(.*\\)$/\\$2/"
+}
+
+find_binary() {
+  local qt_binary="$1/$2" # check specified binary
+  if [[ -x $qt_binary && ! -d $qt_binary ]]; then # to be executable and not to be directory
+    echo -n $qt_binary # output without newline
+    return 0
+  fi
+  return 1
+}
+
+find_file() {
+  local qt_file=$(find $1 -name "$2" -type f -print0 -quit 2>/dev/null) # check specified binary
+  if [[ -n $qt_file && ! -d $qt_file ]]; then # if found
+    echo -n $qt_file #output without newline
+    return 0
+  fi
+  return 1
+}
+
+type=file
+version="0.0.0"
+while getopts :v:b option; do
+  case "$option" in
+    v) version=$OPTARG ;;
+    b) type=binary ;;
+    *) usage; exit 1; ;;
+  esac
+done
+
+shift $(( OPTIND - 1 ))
+if [[ -z $1 ]]; then
+  type=bindir
+else
+  file_name=$1
+fi
+
+## First attempt - using locate
+if command -v locate > /dev/null; then
+  for searchloc in $CUSTOM_QT_DIR ~ /opt /usr/local; do
+    qmake_list=$(locate $searchloc/*/bin/qmake)
+    for qmake in $qmake_list; do
+      if [[ ! -x $qmake || -d $qmake ]]; then
+        continue
+      fi
+      # called with "qmake 1" return qmake version
+      qt_version=$(qmake_data $qmake 1)
+      if ! version_match $version $qt_version; then
+        continue
+      fi
+
+      case $type in
+        binary)
+          qt_dir=$(dirname $qmake 2> /dev/null)
+          if find_binary $qt_dir $file_name; then
+            exit 0
+          fi
+          ;;
+        file)
+          # called with "qmake 2" return Qt installation dir
+          qt_installdir=$(qmake_data $qmake 2)
+          if find_file $qt_installdir $file_name; then
+            exit 0
+          fi
+          ;;
+        bindir)
+          echo -n $(dirname $qmake 2>/dev/null)
+          exit 0
+          ;;
+      esac
+    done
+  done
+fi
+
+## Second attempt - using find
+export -f find_file
+export -f qmake_data
+export -f version_match
+export -f version2int
+
+qmake=$(find -L $CUSTOM_QT_DIR ~ /opt /usr/local -name '.*' -prune \
+        -o -name qmake -type f \
+        -executable \
+        -exec /bin/bash -c "version_qt=\$(qmake_data {} 1);version_match $version \$version_qt" {} \; -print -quit > /dev/null)
+if ! [ $? ]; then
+   exit 1;
+fi
+
+case $type in
+  binary)
+    qt_dir=$(dirname $qmake 2>/dev/null)
+    if find_binary $qt_dir $file_name; then
+      exit 0
+    fi
+    ;;
+  file)
+    # called with "qmake 2" return Qt installation dir
+    qt_installdir=$(qmake_data $qmake 2)
+    if find_file $qt_installdir $file_name; then
+      exit 0
+    fi
+    ;;
+  bindir)
+    echo -n $(dirname $qmake 2>/dev/null)
+    exit 0
+    ;;
+esac
+
+exit 1