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Hi,
Today on #pokersource, I've tried with guyvdb to compile poker-eval java
bindings without success, even with the attached patch, there is still
some @VARIABLES@ not replaced by ./configure.
After the patch:
[EMAIL PROTECTED]:/usr/src/poker-eval# egrep '@.*@' java/Makefile
SLIBJNI_CMD= @SLIBJNI_CMD@
JNI_OBJS := $(JNI_JAVA:[EMAIL PROTECTED]@)
JNI_OBJS += [EMAIL PROTECTED]@ [EMAIL PROTECTED]@
JNILIB := ../lib/[EMAIL PROTECTED]@
[EMAIL PROTECTED]@:
Could someone more knowledgable on autoconf help ?
Thanks in advance.
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Index: configure.ac
===================================================================
--- configure.ac (revision 4950)
+++ configure.ac (working copy)
@@ -46,6 +46,15 @@
AC_PATH_PROG([MD5SUM], [md5sum])
AC_PATH_PROG([VALGRIND], [valgrind])
+AC_CHECK_CLASSPATH
+AC_PROG_JAVAC
+AC_PROG_JAVA
+AC_PROG_JAR
+AC_PROG_JAVADOC
+AC_PROG_JAVAH
+AC_PATH_PROG([RM], [rm])
+AC_PATH_PROG([MKDIR], [mkdir])
+
if test "$GCC" = "yes" ; then
CPPFLAGS="$CPPFLAGS -Wall -Wpointer-arith -Wstrict-prototypes"
fi
@@ -76,5 +85,6 @@
include/Makefile
examples/Makefile
tests/Makefile
+ java/Makefile
])
AC_OUTPUT
Index: config/ac_prog_java_works.m4
===================================================================
--- config/ac_prog_java_works.m4 (revision 0)
+++ config/ac_prog_java_works.m4 (revision 0)
@@ -0,0 +1,135 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_java_works.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAVA_WORKS
+#
+# DESCRIPTION
+#
+# Internal use ONLY.
+#
+# Note: This is part of the set of autoconf M4 macros for Java programs.
+# It is VERY IMPORTANT that you download the whole set, some macros depend
+# on other. Unfortunately, the autoconf archive does not support the
+# concept of set of macros, so I had to break it for submission. The
+# general documentation, as well as the sample configure.in, is included
+# in the AC_PROG_JAVA macro.
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Stephane Bortzmeyer <[EMAIL PROTECTED]>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Macro Archive. When you make and
+# distribute a modified version of the Autoconf Macro, you may extend this
+# special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AC_PROG_JAVA_WORKS], [
+AC_CHECK_PROG(uudecode, uudecode$EXEEXT, yes)
+if test x$uudecode = xyes; then
+AC_CACHE_CHECK([if uudecode can decode base 64 file],
ac_cv_prog_uudecode_base64, [
+dnl /**
+dnl * Test.java: used to test if java compiler works.
+dnl */
+dnl public class Test
+dnl {
+dnl
+dnl public static void
+dnl main( String[] argv )
+dnl {
+dnl System.exit (0);
+dnl }
+dnl
+dnl }
+cat << \EOF > Test.uue
+begin-base64 644 Test.class
+yv66vgADAC0AFQcAAgEABFRlc3QHAAQBABBqYXZhL2xhbmcvT2JqZWN0AQAE
+bWFpbgEAFihbTGphdmEvbGFuZy9TdHJpbmc7KVYBAARDb2RlAQAPTGluZU51
+bWJlclRhYmxlDAAKAAsBAARleGl0AQAEKEkpVgoADQAJBwAOAQAQamF2YS9s
+YW5nL1N5c3RlbQEABjxpbml0PgEAAygpVgwADwAQCgADABEBAApTb3VyY2VG
+aWxlAQAJVGVzdC5qYXZhACEAAQADAAAAAAACAAkABQAGAAEABwAAACEAAQAB
+AAAABQO4AAyxAAAAAQAIAAAACgACAAAACgAEAAsAAQAPABAAAQAHAAAAIQAB
+AAEAAAAFKrcAErEAAAABAAgAAAAKAAIAAAAEAAQABAABABMAAAACABQ=
+====
+EOF
+if uudecode$EXEEXT Test.uue; then
+ ac_cv_prog_uudecode_base64=yes
+else
+ echo "configure: __oline__: uudecode had trouble decoding base 64 file
'Test.uue'" >&AC_FD_CC
+ echo "configure: failed file was:" >&AC_FD_CC
+ cat Test.uue >&AC_FD_CC
+ ac_cv_prog_uudecode_base64=no
+fi
+rm -f Test.uue])
+fi
+if test x$ac_cv_prog_uudecode_base64 != xyes; then
+ rm -f Test.class
+ AC_MSG_WARN([I have to compile Test.class from scratch])
+ if test x$ac_cv_prog_javac_works = xno; then
+ AC_MSG_ERROR([Cannot compile java source. $JAVAC does not work
properly])
+ fi
+ if test x$ac_cv_prog_javac_works = x; then
+ AC_PROG_JAVAC
+ fi
+fi
+AC_CACHE_CHECK(if $JAVA works, ac_cv_prog_java_works, [
+JAVA_TEST=Test.java
+CLASS_TEST=Test.class
+TEST=Test
+changequote(, )dnl
+cat << \EOF > $JAVA_TEST
+/* [#]line __oline__ "configure" */
+public class Test {
+public static void main (String args[]) {
+ System.exit (0);
+} }
+EOF
+changequote([, ])dnl
+if test x$ac_cv_prog_uudecode_base64 != xyes; then
+ if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) && test -s
$CLASS_TEST; then
+ :
+ else
+ echo "configure: failed program was:" >&AC_FD_CC
+ cat $JAVA_TEST >&AC_FD_CC
+ AC_MSG_ERROR(The Java compiler $JAVAC failed (see config.log, check
the CLASSPATH?))
+ fi
+fi
+if AC_TRY_COMMAND($JAVA $JAVAFLAGS $TEST) >/dev/null 2>&1; then
+ ac_cv_prog_java_works=yes
+else
+ echo "configure: failed program was:" >&AC_FD_CC
+ cat $JAVA_TEST >&AC_FD_CC
+ AC_MSG_ERROR(The Java VM $JAVA failed (see config.log, check the CLASSPATH?))
+fi
+rm -fr $JAVA_TEST $CLASS_TEST Test.uue
+])
+AC_PROVIDE([$0])dnl
+]
+)
Index: config/ac_prog_javadoc.m4
===================================================================
--- config/ac_prog_javadoc.m4 (revision 0)
+++ config/ac_prog_javadoc.m4 (revision 0)
@@ -0,0 +1,53 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_javadoc.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAVADOC
+#
+# DESCRIPTION
+#
+# AC_PROG_JAVADOC tests for an existing javadoc generator. It uses the
+# environment variable JAVADOC then tests in sequence various common
+# javadoc generator.
+#
+# If you want to force a specific compiler:
+#
+# - at the configure.in level, set JAVADOC=yourgenerator before calling
+# AC_PROG_JAVADOC
+#
+# - at the configure level, setenv JAVADOC
+#
+# You can use the JAVADOC variable in your Makefile.in, with @[EMAIL
PROTECTED]
+#
+# Note: This macro depends on the autoconf M4 macros for Java programs. It
+# is VERY IMPORTANT that you download that whole set, some macros depend
+# on other. Unfortunately, the autoconf archive does not support the
+# concept of set of macros, so I had to break it for submission.
+#
+# The general documentation of those macros, as well as the sample
+# configure.in, is included in the AC_PROG_JAVA macro.
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Egon Willighagen <[EMAIL PROTECTED]>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved.
+
+AC_DEFUN([AC_PROG_JAVADOC],[
+AC_REQUIRE([AC_EXEEXT])dnl
+if test "x$JAVAPREFIX" = x; then
+ test "x$JAVADOC" = x && AC_CHECK_PROGS(JAVADOC, javadoc$EXEEXT)
+else
+ test "x$JAVADOC" = x && AC_CHECK_PROGS(JAVADOC, javadoc, $JAVAPREFIX)
+fi
+test "x$JAVADOC" = x && AC_MSG_ERROR([no acceptable javadoc generator found in
\$PATH])
+AC_PROVIDE([$0])dnl
+])
Index: config/ac_prog_javac_works.m4
===================================================================
--- config/ac_prog_javac_works.m4 (revision 0)
+++ config/ac_prog_javac_works.m4 (revision 0)
@@ -0,0 +1,73 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_javac_works.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAVAC_WORKS
+#
+# DESCRIPTION
+#
+# Internal use ONLY.
+#
+# Note: This is part of the set of autoconf M4 macros for Java programs.
+# It is VERY IMPORTANT that you download the whole set, some macros depend
+# on other. Unfortunately, the autoconf archive does not support the
+# concept of set of macros, so I had to break it for submission. The
+# general documentation, as well as the sample configure.in, is included
+# in the AC_PROG_JAVA macro.
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Stephane Bortzmeyer <[EMAIL PROTECTED]>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Macro Archive. When you make and
+# distribute a modified version of the Autoconf Macro, you may extend this
+# special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AC_PROG_JAVAC_WORKS],[
+AC_CACHE_CHECK([if $JAVAC works], ac_cv_prog_javac_works, [
+JAVA_TEST=Test.java
+CLASS_TEST=Test.class
+cat << \EOF > $JAVA_TEST
+/* [#]line __oline__ "configure" */
+public class Test {
+}
+EOF
+if AC_TRY_COMMAND($JAVAC $JAVACFLAGS $JAVA_TEST) >/dev/null 2>&1; then
+ ac_cv_prog_javac_works=yes
+else
+ AC_MSG_ERROR([The Java compiler $JAVAC failed (see config.log, check the
CLASSPATH?)])
+ echo "configure: failed program was:" >&AC_FD_CC
+ cat $JAVA_TEST >&AC_FD_CC
+fi
+rm -f $JAVA_TEST $CLASS_TEST
+])
+AC_PROVIDE([$0])dnl
+])
Index: config/ac_prog_javah.m4
===================================================================
--- config/ac_prog_javah.m4 (revision 0)
+++ config/ac_prog_javah.m4 (revision 0)
@@ -0,0 +1,43 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_javah.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAVAH
+#
+# DESCRIPTION
+#
+# AC_PROG_JAVAH tests the availability of the javah header generator and
+# looks for the jni.h header file. If available, JAVAH is set to the full
+# path of javah and CPPFLAGS is updated accordingly.
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Luc Maisonobe <[EMAIL PROTECTED]>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved.
+
+AC_DEFUN([AC_PROG_JAVAH],[
+AC_REQUIRE([AC_CANONICAL_SYSTEM])dnl
+AC_REQUIRE([AC_PROG_CPP])dnl
+AC_PATH_PROG(JAVAH,javah)
+if test x"`eval 'echo $ac_cv_path_JAVAH'`" != x ; then
+ AC_TRY_CPP([#include <jni.h>],,[
+ ac_save_CPPFLAGS="$CPPFLAGS"
+changequote(, )dnl
+ ac_dir=`echo $ac_cv_path_JAVAH | sed 's,\(.*\)/[^/]*/[^/]*$,\1/include,'`
+ ac_machdep=`echo $build_os | sed 's,[-0-9].*,,' | sed 's,cygwin,win32,'`
+changequote([, ])dnl
+ CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep"
+ AC_TRY_CPP([#include <jni.h>],
+ ac_save_CPPFLAGS="$CPPFLAGS",
+ AC_MSG_WARN([unable to include <jni.h>]))
+ CPPFLAGS="$ac_save_CPPFLAGS"])
+fi])
Index: config/ac_prog_jar.m4
===================================================================
--- config/ac_prog_jar.m4 (revision 0)
+++ config/ac_prog_jar.m4 (revision 0)
@@ -0,0 +1,52 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_jar.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAR
+#
+# DESCRIPTION
+#
+# AC_PROG_JAR tests for an existing jar program. It uses the environment
+# variable JAR then tests in sequence various common jar programs.
+#
+# If you want to force a specific compiler:
+#
+# - at the configure.in level, set JAR=yourcompiler before calling
+# AC_PROG_JAR
+#
+# - at the configure level, setenv JAR
+#
+# You can use the JAR variable in your Makefile.in, with @[EMAIL PROTECTED]
+#
+# Note: This macro depends on the autoconf M4 macros for Java programs. It
+# is VERY IMPORTANT that you download that whole set, some macros depend
+# on other. Unfortunately, the autoconf archive does not support the
+# concept of set of macros, so I had to break it for submission.
+#
+# The general documentation of those macros, as well as the sample
+# configure.in, is included in the AC_PROG_JAVA macro.
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Egon Willighagen <[EMAIL PROTECTED]>
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice
+# and this notice are preserved.
+
+AC_DEFUN([AC_PROG_JAR],[
+AC_REQUIRE([AC_EXEEXT])dnl
+if test "x$JAVAPREFIX" = x; then
+ test "x$JAR" = x && AC_CHECK_PROGS(JAR, jar$EXEEXT)
+else
+ test "x$JAR" = x && AC_CHECK_PROGS(JAR, jar, $JAVAPREFIX)
+fi
+test "x$JAR" = x && AC_MSG_ERROR([no acceptable jar program found in \$PATH])
+AC_PROVIDE([$0])dnl
+])
Index: config/ac_prog_java.m4
===================================================================
--- config/ac_prog_java.m4 (revision 0)
+++ config/ac_prog_java.m4 (revision 0)
@@ -0,0 +1,117 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_java.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAVA
+#
+# DESCRIPTION
+#
+# Here is a summary of the main macros:
+#
+# AC_PROG_JAVAC: finds a Java compiler.
+#
+# AC_PROG_JAVA: finds a Java virtual machine.
+#
+# AC_CHECK_CLASS: finds if we have the given class (beware of CLASSPATH!).
+#
+# AC_CHECK_RQRD_CLASS: finds if we have the given class and stops
+# otherwise.
+#
+# AC_TRY_COMPILE_JAVA: attempt to compile user given source.
+#
+# AC_TRY_RUN_JAVA: attempt to compile and run user given source.
+#
+# AC_JAVA_OPTIONS: adds Java configure options.
+#
+# AC_PROG_JAVA tests an existing Java virtual machine. It uses the
+# environment variable JAVA then tests in sequence various common Java
+# virtual machines. For political reasons, it starts with the free ones.
+# You *must* call [AC_PROG_JAVAC] before.
+#
+# If you want to force a specific VM:
+#
+# - at the configure.in level, set JAVA=yourvm before calling AC_PROG_JAVA
+#
+# (but after AC_INIT)
+#
+# - at the configure level, setenv JAVA
+#
+# You can use the JAVA variable in your Makefile.in, with @[EMAIL PROTECTED]
+#
+# *Warning*: its success or failure can depend on a proper setting of the
+# CLASSPATH env. variable.
+#
+# TODO: allow to exclude virtual machines (rationale: most Java programs
+# cannot run with some VM like kaffe).
+#
+# Note: This is part of the set of autoconf M4 macros for Java programs.
+# It is VERY IMPORTANT that you download the whole set, some macros depend
+# on other. Unfortunately, the autoconf archive does not support the
+# concept of set of macros, so I had to break it for submission.
+#
+# A Web page, with a link to the latest CVS snapshot is at
+# <http://www.internatif.org/bortzmeyer/autoconf-Java/>.
+#
+# This is a sample configure.in Process this file with autoconf to produce
+# a configure script.
+#
+# AC_INIT(UnTag.java)
+#
+# dnl Checks for programs.
+# AC_CHECK_CLASSPATH
+# AC_PROG_JAVAC
+# AC_PROG_JAVA
+#
+# dnl Checks for classes
+# AC_CHECK_RQRD_CLASS(org.xml.sax.Parser)
+# AC_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver)
+#
+# AC_OUTPUT(Makefile)
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Stephane Bortzmeyer <[EMAIL PROTECTED]>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Macro Archive. When you make and
+# distribute a modified version of the Autoconf Macro, you may extend this
+# special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AC_PROG_JAVA],[
+AC_REQUIRE([AC_EXEEXT])dnl
+if test x$JAVAPREFIX = x; then
+ test x$JAVA = x && AC_CHECK_PROGS(JAVA, kaffe$EXEEXT java$EXEEXT)
+else
+ test x$JAVA = x && AC_CHECK_PROGS(JAVA, kaffe$EXEEXT java$EXEEXT,
$JAVAPREFIX)
+fi
+test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in
\$PATH])
+AC_PROG_JAVA_WORKS
+AC_PROVIDE([$0])dnl
+])
Index: config/ac_prog_javac.m4
===================================================================
--- config/ac_prog_javac.m4 (revision 0)
+++ config/ac_prog_javac.m4 (revision 0)
@@ -0,0 +1,81 @@
+# ===========================================================================
+# http://autoconf-archive.cryp.to/ac_prog_javac.html
+# ===========================================================================
+#
+# SYNOPSIS
+#
+# AC_PROG_JAVAC
+#
+# DESCRIPTION
+#
+# AC_PROG_JAVAC tests an existing Java compiler. It uses the environment
+# variable JAVAC then tests in sequence various common Java compilers. For
+# political reasons, it starts with the free ones.
+#
+# If you want to force a specific compiler:
+#
+# - at the configure.in level, set JAVAC=yourcompiler before calling
+# AC_PROG_JAVAC
+#
+# - at the configure level, setenv JAVAC
+#
+# You can use the JAVAC variable in your Makefile.in, with @[EMAIL PROTECTED]
+#
+# *Warning*: its success or failure can depend on a proper setting of the
+# CLASSPATH env. variable.
+#
+# TODO: allow to exclude compilers (rationale: most Java programs cannot
+# compile with some compilers like guavac).
+#
+# Note: This is part of the set of autoconf M4 macros for Java programs.
+# It is VERY IMPORTANT that you download the whole set, some macros depend
+# on other. Unfortunately, the autoconf archive does not support the
+# concept of set of macros, so I had to break it for submission. The
+# general documentation, as well as the sample configure.in, is included
+# in the AC_PROG_JAVA macro.
+#
+# LAST MODIFICATION
+#
+# 2008-04-12
+#
+# COPYLEFT
+#
+# Copyright (c) 2008 Stephane Bortzmeyer <[EMAIL PROTECTED]>
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+# Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# As a special exception, the respective Autoconf Macro's copyright owner
+# gives unlimited permission to copy, distribute and modify the configure
+# scripts that are the output of Autoconf when processing the Macro. You
+# need not follow the terms of the GNU General Public License when using
+# or distributing such scripts, even though portions of the text of the
+# Macro appear in them. The GNU General Public License (GPL) does govern
+# all other use of the material that constitutes the Autoconf Macro.
+#
+# This special exception to the GPL applies to versions of the Autoconf
+# Macro released by the Autoconf Macro Archive. When you make and
+# distribute a modified version of the Autoconf Macro, you may extend this
+# special exception to the GPL to apply to your modified version as well.
+
+AC_DEFUN([AC_PROG_JAVAC],[
+AC_REQUIRE([AC_EXEEXT])dnl
+if test "x$JAVAPREFIX" = x; then
+ test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, "gcj$EXEEXT -C"
guavac$EXEEXT jikes$EXEEXT javac$EXEEXT)
+else
+ test "x$JAVAC" = x && AC_CHECK_PROGS(JAVAC, "gcj$EXEEXT -C"
guavac$EXEEXT jikes$EXEEXT javac$EXEEXT, $JAVAPREFIX)
+fi
+test "x$JAVAC" = x && AC_MSG_ERROR([no acceptable Java compiler found in
\$PATH])
+AC_PROG_JAVAC_WORKS
+AC_PROVIDE([$0])dnl
+])
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