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# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_prog_javah.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_JAVAH
#
# DESCRIPTION
#
# AX_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.
#
# LICENSE
#
# Copyright (c) 2008 Luc Maisonobe <luc@spaceroots.org>
#
# 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. This file is offered as-is, without any
# warranty.
#serial 5
AU_ALIAS([AC_PROG_JAVAH], [AX_PROG_JAVAH])
AC_DEFUN([AX_PROG_JAVAH],[
#AC_REQUIRE([AC_CANONICAL_SYSTEM])dnl
AC_REQUIRE([AC_PROG_CPP])dnl
AC_PATH_PROG(JAVAH,javah)
if test "x$ac_cv_path_JAVAH" != x ; then
AC_MSG_CHECKING([for jni.h and jni_md.h headers])
if test -L $ac_cv_path_JAVAH ; then
while test -L $ac_cv_path_JAVAH
do
dnl ac_cv_path_JAVAH=`readlink $ac_cv_path_JAVAH`
dnl since readlink doesn't appear on all systems (I hate Solaris...), let's use an awk trick
ac_cv_path_JAVAH=`ls -l $ac_cv_path_JAVAH | awk -F\> '{print $NF}'`
done
fi
ac_save_CPPFLAGS="$CPPFLAGS"
changequote(, )dnl
ac_dir=`echo $ac_cv_path_JAVAH | sed 's,\(.*\)/[^/]*/[^/]*$,\1/,'`
ac_machdep=`echo $host_os | sed 's,[-0-9].*,,' | sed 's,cygwin,win32,'`
changequote([, ])dnl
JAVACPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir/include -I$ac_dir/Headers -I$ac_dir/include/$ac_machdep -I$ac_dir/../CurrentJDK/Headers -I/Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers -I/Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers"
CPPFLAGS=$JAVACPPFLAGS
AC_PREPROC_IFELSE(
[AC_LANG_PROGRAM([[#include <jni.h>]],[[#include <jni_md.h>]])],
AC_MSG_RESULT([ok])
CPPFLAGS="$ac_save_CPPFLAGS",
AC_MSG_RESULT([could not find jni.h])
JAVACPPFLAGS=
CPPFLAGS="$ac_save_CPPFLAGS"
)
else
AC_MSG_WARN([Could not locate javah])
JAVACPPFLAGS=
fi])
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