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Collection of DPF-based plugins for packaging
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DPF-Plugins/plugins/ProM/projectM/m4/autoconf-archive/ax_prog_javah.m4

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  1. # ===========================================================================

  2. #      https://www.gnu.org/software/autoconf-archive/ax_prog_javah.html

  3. # ===========================================================================

  4. #

  5. # SYNOPSIS

  6. #

  7. #   AX_PROG_JAVAH

  8. #

  9. # DESCRIPTION

  10. #

  11. #   AX_PROG_JAVAH tests the availability of the javah header generator and

  12. #   looks for the jni.h header file. If available, JAVAH is set to the full

  13. #   path of javah and CPPFLAGS is updated accordingly.

  14. #

  15. # LICENSE

  16. #

  17. #   Copyright (c) 2008 Luc Maisonobe <luc@spaceroots.org>

  18. #

  19. #   Copying and distribution of this file, with or without modification, are

  20. #   permitted in any medium without royalty provided the copyright notice

  21. #   and this notice are preserved. This file is offered as-is, without any

  22. #   warranty.

  23. 

  24. #serial 10

  25. 

  26. AU_ALIAS([AC_PROG_JAVAH], [AX_PROG_JAVAH])

  27. AC_DEFUN([AX_PROG_JAVAH],[

  28. AC_REQUIRE([AC_CANONICAL_BUILD])dnl

  29. AC_REQUIRE([AC_PROG_CPP])dnl

  30. AC_PATH_PROG(JAVAH,javah)

  31. AS_IF([test -n "$ac_cv_path_JAVAH"],

  32.       [

  33.         AC_TRY_CPP([#include <jni.h>],,[

  34.         ac_save_CPPFLAGS="$CPPFLAGS"

  35. 		_ACJAVAH_FOLLOW_SYMLINKS("$ac_cv_path_JAVAH")

  36.         ax_prog_javah_bin_dir=`AS_DIRNAME([$_ACJAVAH_FOLLOWED])`

  37.         ac_dir="`AS_DIRNAME([$ax_prog_javah_bin_dir])`/include"

  38.         AS_CASE([$build_os],

  39.                 [cygwin*|mingw*],

  40.                 [ac_machdep=win32],

  41.                 [ac_machdep=`AS_ECHO($build_os) | sed 's,[[-0-9]].*,,'`])

  42.         CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep"

  43.         AC_TRY_CPP([#include <jni.h>],

  44.                    ac_save_CPPFLAGS="$CPPFLAGS",

  45.                    AC_MSG_WARN([unable to include <jni.h>]))

  46.         CPPFLAGS="$ac_save_CPPFLAGS"])

  47.       ])

  48. ])

  49. 

  50. AC_DEFUN([_ACJAVAH_FOLLOW_SYMLINKS],[

  51. # find the include directory relative to the javac executable

  52. _cur="$1"

  53. while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do

  54.         AC_MSG_CHECKING([symlink for $_cur])

  55.         _slink=`ls -ld "$_cur" | sed 's/.* -> //'`

  56.         case "$_slink" in

  57.         /*) _cur="$_slink";;

  58.         # 'X' avoids triggering unwanted echo options.

  59.         *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";;

  60.         esac

  61.         AC_MSG_RESULT([$_cur])

  62. done

  63. _ACJAVAH_FOLLOWED="$_cur"

  64. ])