projects / lttng-ust.git / blame
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|---|---|---|
| e03d7c66 MJ |
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 |
| 5c5aae82 CB |
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" |
| e465639e MJ |
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*], |
| 5c5aae82 CB |
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/$ac_machdep" | |
| e465639e MJ |
45 | AC_PREPROC_IFELSE([AC_LANG_SOURCE([[#include <jni.h>]])], |
| 46 | [ac_save_CPPFLAGS="$CPPFLAGS"], | |
| 47 | [AC_MSG_WARN([unable to include <jni.h>])]) | |
| 5c5aae82 CB |
48 | CPPFLAGS="$ac_save_CPPFLAGS"]) |
| 49 | ]) | |
| 50 | ]) | |
| e465639e MJ |
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 | ]) |