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81 lines
3.0 KiB
Plaintext
81 lines
3.0 KiB
Plaintext
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# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_check_java_home.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_CHECK_JAVA_HOME
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#
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# DESCRIPTION
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#
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# Check for Sun Java (JDK / JRE) installation, where the 'java' VM is in.
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# If found, set environment variable JAVA_HOME = Java installation home,
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# else left JAVA_HOME untouch, which in most case means JAVA_HOME is
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# empty.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Gleen Salmon <gleensalmon@yahoo.com>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 6
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AU_ALIAS([AC_CHECK_JAVA_HOME], [AX_CHECK_JAVA_HOME])
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AC_DEFUN([AX_CHECK_JAVA_HOME],
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[AC_MSG_CHECKING([for JAVA_HOME])
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# We used a fake loop so that we can use "break" to exit when the result
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# is found.
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while true
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do
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# If the user defined JAVA_HOME, don't touch it.
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test "${JAVA_HOME+set}" = set && break
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# On Mac OS X 10.5 and following, run /usr/libexec/java_home to get
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# the value of JAVA_HOME to use.
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# (http://developer.apple.com/library/mac/#qa/qa2001/qa1170.html).
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JAVA_HOME=`/usr/libexec/java_home 2>/dev/null`
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test x"$JAVA_HOME" != x && break
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# See if we can find the java executable, and compute from there.
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TRY_JAVA_HOME=`ls -dr /usr/java/* 2> /dev/null | head -n 1`
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if test x$TRY_JAVA_HOME != x; then
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PATH=$PATH:$TRY_JAVA_HOME/bin
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fi
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AC_PATH_PROG([JAVA_PATH_NAME], [java])
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if test "x$JAVA_PATH_NAME" != x; then
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JAVA_HOME=`echo $JAVA_PATH_NAME | sed "s/\(.*\)[[/]]bin[[/]]java.*/\1/"`
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break
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fi
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AC_MSG_NOTICE([Could not compute JAVA_HOME])
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break
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done
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AC_MSG_RESULT([$JAVA_HOME])
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])
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