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1 | # SPDX-License-Identifier: FSFAP |
2 | # | |
5c5aae82 | 3 | # =========================================================================== |
e465639e | 4 | # https://www.gnu.org/software/autoconf-archive/ax_prog_javah.html |
5c5aae82 CB |
5 | # =========================================================================== |
6 | # | |
7 | # SYNOPSIS | |
8 | # | |
9 | # AX_PROG_JAVAH | |
10 | # | |
11 | # DESCRIPTION | |
12 | # | |
13 | # AX_PROG_JAVAH tests the availability of the javah header generator and | |
14 | # looks for the jni.h header file. If available, JAVAH is set to the full | |
15 | # path of javah and CPPFLAGS is updated accordingly. | |
16 | # | |
17 | # LICENSE | |
18 | # | |
19 | # Copyright (c) 2008 Luc Maisonobe <luc@spaceroots.org> | |
20 | # | |
21 | # Copying and distribution of this file, with or without modification, are | |
22 | # permitted in any medium without royalty provided the copyright notice | |
23 | # and this notice are preserved. This file is offered as-is, without any | |
24 | # warranty. | |
25 | ||
e465639e | 26 | #serial 11 |
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27 | |
28 | AU_ALIAS([AC_PROG_JAVAH], [AX_PROG_JAVAH]) | |
29 | AC_DEFUN([AX_PROG_JAVAH],[ | |
30 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
31 | AC_REQUIRE([AC_PROG_CPP])dnl | |
32 | AC_PATH_PROG(JAVAH,javah) | |
33 | AS_IF([test -n "$ac_cv_path_JAVAH"], | |
34 | [ | |
e465639e | 35 | AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]])],[],[ |
5c5aae82 | 36 | ac_save_CPPFLAGS="$CPPFLAGS" |
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37 | _ACJAVAH_FOLLOW_SYMLINKS("$ac_cv_path_JAVAH") |
38 | ax_prog_javah_bin_dir=`AS_DIRNAME([$_ACJAVAH_FOLLOWED])` | |
39 | ac_dir="`AS_DIRNAME([$ax_prog_javah_bin_dir])`/include" | |
5c5aae82 | 40 | AS_CASE([$build_os], |
e465639e | 41 | [cygwin*|mingw*], |
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42 | [ac_machdep=win32], |
43 | [ac_machdep=`AS_ECHO($build_os) | sed 's,[[-0-9]].*,,'`]) | |
44 | CPPFLAGS="$ac_save_CPPFLAGS -I$ac_dir -I$ac_dir/$ac_machdep" | |
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45 | AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]])], |
46 | [ac_save_CPPFLAGS="$CPPFLAGS"], | |
47 | [AC_MSG_WARN([unable to include <jni.h>])]) | |
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48 | CPPFLAGS="$ac_save_CPPFLAGS"]) |
49 | ]) | |
50 | ]) | |
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51 | |
52 | AC_DEFUN([_ACJAVAH_FOLLOW_SYMLINKS],[ | |
53 | # find the include directory relative to the javac executable | |
54 | _cur="$1" | |
55 | while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do | |
56 | AC_MSG_CHECKING([symlink for $_cur]) | |
57 | _slink=`ls -ld "$_cur" | sed 's/.* -> //'` | |
58 | case "$_slink" in | |
59 | /*) _cur="$_slink";; | |
60 | # 'X' avoids triggering unwanted echo options. | |
61 | *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";; | |
62 | esac | |
63 | AC_MSG_RESULT([$_cur]) | |
64 | done | |
65 | _ACJAVAH_FOLLOWED="$_cur" | |
66 | ]) |