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86 lines
3.4 KiB
86 lines
3.4 KiB
# ===========================================================================
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# http://www.gnu.org/software/autoconf-archive/ax_java_check_class.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_JAVA_CHECK_CLASS(<class>,<action-if-found>,<action-if-not-found>)
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#
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# DESCRIPTION
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#
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# Test if a Java class is available. Based on AX_PROG_JAVAC_WORKS. This
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# version uses a cache variable which is both compiler, options and
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# classpath dependent (so if you switch from javac to gcj it correctly
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# notices and redoes the test).
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#
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# The macro tries to compile a minimal program importing <class>. Some
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# newer compilers moan about the failure to use this but fail or produce a
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# class file anyway. All moaing is sunk to /dev/null since I only wanted
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# to know if the class could be imported. This is a recommended followup
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# to AX_CHECK_JAVA_PLUGIN with classpath appropriately adjusted.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Duncan Simpson <dps@simpson.demon.co.uk>
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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 8
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AU_ALIAS([DPS_JAVA_CHECK_CLASS], [AX_JAVA_CHECK_CLASS])
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AC_DEFUN([AX_JAVA_CHECK_CLASS],[
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m4_define([cache_val],[m4_translit(ax_cv_have_java_class_$1, " ." ,"__")])
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if test "x$CLASSPATH" != "x"; then
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xtra=" with classpath ${CLASSPATH}"
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xopts=`echo ${CLASSPATH} | ${SED} 's/^ *://'`
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xopts="-classpath $xopts"
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else xtra=""; xopts=""; fi
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cache_var="cache_val"AS_TR_SH([_Jc_${JAVAC}_Cp_${CLASSPATH}])
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AC_CACHE_CHECK([if the $1 class is avialable$xtra], [$cache_var], [
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JAVA_TEST=Test.java
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CLASS_TEST=Test.class
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cat << \EOF > $JAVA_TEST
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/* [#]xline __oline__ "configure" */
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import $1;
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public class Test {
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}
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EOF
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if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $xopts $JAVA_TEST) >/dev/null 2>&1; then
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eval "${cache_var}=yes"
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else
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eval "${cache_var}=no"
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echo "configure: failed program was:" >&AS_MESSAGE_LOG_FD
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cat $JAVA_TEST >&AS_MESSAGE_LOG_FD
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fi
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rm -f $JAVA_TEST $CLASS_TEST
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])
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if eval 'test "x$'${cache_var}'" = "xyes"'; then
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$2
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true; else
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$3
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false; fi])
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