1 files changed, 130 insertions, 0 deletions
diff --git a/build/PrintPath b/build/PrintPath
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+++ b/build/PrintPath
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+#!/bin/sh
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+# Look for program[s] somewhere in $PATH.
+#
+# Options:
+#  -s
+#    Do not print out full pathname. (silent)
+#  -pPATHNAME
+#    Look in PATHNAME instead of $PATH
+#
+# Usage:
+#  PrintPath [-s] [-pPATHNAME] program [program ...]
+#
+# Initially written by Jim Jagielski for the Apache configuration mechanism
+#  (with kudos to Kernighan/Pike)
+
+##
+# Some "constants"
+##
+pathname=$PATH
+echo="yes"
+
+##
+# Find out what OS we are running for later on
+##
+os=`(uname) 2>/dev/null`
+
+##
+# Parse command line
+##
+for args in $*
+do
+    case $args in
+	-s  ) echo="no" ;;
+	-p* ) pathname="`echo $args | sed 's/^..//'`" ;;
+	*   ) programs="$programs $args" ;;
+    esac
+done
+
+##
+# Now we make the adjustments required for OS/2 and everyone
+# else :)
+#
+# First of all, all OS/2 programs have the '.exe' extension.
+# Next, we adjust PATH (or what was given to us as PATH) to
+# be whitespace separated directories.
+# Finally, we try to determine the best flag to use for
+# test/[] to look for an executable file. OS/2 just has '-r'
+# but with other OSs, we do some funny stuff to check to see
+# if test/[] knows about -x, which is the prefered flag.
+##
+
+if [ "x$os" = "xOS/2" ]
+then
+    ext=".exe"
+    pathname=`echo -E $pathname |
+     sed 's/^;/.;/
+	  s/;;/;.;/g
+	  s/;$/;./
+	  s/;/ /g
+	  s/\\\\/\\//g' `
+    test_exec_flag="-r"
+else
+    ext=""	# No default extensions
+    pathname=`echo $pathname |
+     sed 's/^:/.:/
+	  s/::/:.:/g
+	  s/:$/:./
+	  s/:/ /g' `
+    # Here is how we test to see if test/[] can handle -x
+    testfile="pp.t.$$"
+
+    cat > $testfile <<ENDTEST
+#!/bin/sh
+if [ -x / ] || [ -x /bin ] || [ -x /bin/ls ]; then
+    exit 0
+fi
+exit 1
+ENDTEST
+
+    if `/bin/sh $testfile 2>/dev/null`; then
+	test_exec_flag="-x"
+    else
+	test_exec_flag="-r"
+    fi
+    rm -f $testfile
+fi
+
+for program in $programs
+do
+    for path in $pathname
+    do
+	if [ $test_exec_flag $path/${program}${ext} ] && \
+	   [ ! -d $path/${program}${ext} ]; then
+	    if [ "x$echo" = "xyes" ]; then
+		echo $path/${program}${ext}
+	    fi
+	    exit 0
+	fi
+
+# Next try without extension (if one was used above)
+	if [ "x$ext" != "x" ]; then
+            if [ $test_exec_flag $path/${program} ] && \
+               [ ! -d $path/${program} ]; then
+                if [ "x$echo" = "xyes" ]; then
+                    echo $path/${program}
+                fi
+                exit 0
+            fi
+        fi
+    done
+done
+exit 1
+