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dnl This file is part of Java-GNOME.
dnl
dnl Java-GNOME is free software; you can redistribute it and/or modify it
dnl under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl Java-GNOME is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with Jade; see the file COPYING. If not, write to
dnl the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
dnl Copied blatantly from other source.
dnl Borrowed HEAVILY from AM_PATH_GTK
dnl
dnl AM_PATH_GCJ([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for GCJ
dnl
AC_DEFUN([AM_PATH_GCJ],
[dnl
dnl Get the environmental variables necessary for GCJ
dnl
AC_ARG_WITH(gcj-prefix,[ --with-gcj-prefix=PFX Prefix where gcj is installed (optional)],
gcj_prefix="$withval", gcj_prefix="")
if test x$gcj_prefix != x ; then
GCJ_HOME=$gcj_prefix
fi
dnl
dnl CHANGE: Now FIRST put GCJ_HOME/bin in the path before testing for
dnl the java executable.
dnl
if test x$GCJ_HOME != x ; then
echo "Add $GCJ_HOME/bin to path and check again."
PATH="$GCJ_HOME/bin:$PATH"
fi
AC_PATH_PROG(GCJ, gcj, no)
min_gcj_version=ifelse([$0], ,3.0.0,$1)
AC_MSG_CHECKING(for GCJ - version >= $min_gcj_version)
min_gcj_major_version=`echo $min_gcj_version |\
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'`
min_gcj_minor_version=`echo $min_gcj_version |\
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'`
min_gcj_micro_version=`echo $min_gcj_version |\
sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'`
if test "$GCJ" = "no" ; then
no_gcj=yes
else
gcj_version=`$GCJ --version 2>&1 | grep GCC | sed 's/gcj.* (GCC) \([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1.\2.\3/'`
gcj_major_version=`echo $gcj_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
gcj_minor_version=`echo $gcj_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
gcj_micro_version=`echo $gcj_version | \
sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`
AC_TRY_RUN([
#include <stdio.h>
main()
{
if ((1$gcj_major_version > 1$min_gcj_major_version) ||
((1$gcj_major_version == 1$min_gcj_major_version) &&
(1$gcj_minor_version > 1$min_gcj_minor_version)) ||
((1$gcj_major_version == 1$min_gcj_major_version) &&
(1$gcj_minor_version == 1$min_gcj_minor_version) &&
(1$gcj_micro_version >= 1$min_gcj_micro_version)))
{
return(0);
}
else
{
return(1);
}
}], , no_gcj=yes, [echo $ac_n "cross compiling; assumed OK... $ac_c"])
fi
if test "x$no_gcj" = x ; then
AC_MSG_RESULT(yes)
dnl
dnl Check for gcj executables and set appropriate viarable
dnl
AC_PATH_PROG(GCJ, gcj, no)
AC_PATH_PROG(JAR, jar, no)
dnl
dnl Set CLASSPATH
dnl
if test x$GCJ_HOME != x ; then
:
else
GCJ_HOME=`which gcj | sed 's/\(.*\).bin.*gcj/\1/'`
fi
cat << EOF > Test.java
/* [#]line __oline__ "configure" */
public class Test {
public static void main(String[[]] args) {
System.out.println(System.getProperty("sun.boot.class.path"));
}
}
EOF
GCJ_JAR=`gcj -C Test.java && gij Test`
rm Test.java Test.class
if test x$GCJ_JAR == x ; then
GCJ_JAR=`(test -d /usr/share/local/java && find /usr/local/share/java -name libgcj-?.?.?.jar) || (test -d /usr/share/java && find /usr/share/java -name libgcj-?.?.?.jar)`
if test x$GCJ_JAR == x ; then
GCJ_JAR=`locate libgcj | grep libgcj.*\.jar`
fi
fi
if test x$GCJ_JAR != x ; then
GCJ_CLASSPATH="${GCJ_JAR}:${CLASSPATH}"
else
echo "***"
echo "*** Unable to locate libgcj.jar needed by gcj"
echo "***"
ifelse([$3], , :, [$3])
fi
AC_SUBST(GCJ_CLASSPATH)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
echo "***"
echo "*** If you have GCJ installed and it is a newer version than $min_gcj_version, either set"
echo "*** the GCJ_HOME variable or add the top directory where the GCJ binaries are to"
echo "*** the PATH. Alternatively try \"./configure --with-gcj-prefix=<java_home>\","
echo "***"
echo "*** Also make sure that configure does not find the wrong version of GCJ by"
echo "*** looking at the output of \"which gcj\"."
echo "***"
ifelse([$3], , :, [$3])
fi
])
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