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Diffstat (limited to 'm4/ac_jni_include_dir.m4')
| -rw-r--r-- | m4/ac_jni_include_dir.m4 | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/m4/ac_jni_include_dir.m4 b/m4/ac_jni_include_dir.m4 new file mode 100644 index 0000000..b8cbf34 --- /dev/null +++ b/m4/ac_jni_include_dir.m4 @@ -0,0 +1,112 @@ +##### http://autoconf-archive.cryp.to/ac_jni_include_dir.html +# +# SYNOPSIS +# +# AC_JNI_INCLUDE_DIR +# +# DESCRIPTION +# +# AC_JNI_INCLUDE_DIR finds include directories needed for compiling +# programs using the JNI interface. +# +# JNI include directories are usually in the java distribution This +# is deduced from the value of JAVAC. When this macro completes, a +# list of directories is left in the variable JNI_INCLUDE_DIRS. +# +# Example usage follows: +# +# AC_JNI_INCLUDE_DIR +# +# for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS +# do +# CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR" +# done +# +# If you want to force a specific compiler: +# +# - at the configure.in level, set JAVAC=yourcompiler before calling +# AC_JNI_INCLUDE_DIR +# +# - at the configure level, setenv JAVAC +# +# Note: This macro can work with the autoconf M4 macros for Java +# programs. This particular macro is not part of the original set of +# macros. +# +# LAST MODIFICATION +# +# 2006-05-27 +# +# COPYLEFT +# +# Copyright (c) 2006 Don Anderson <dda@sleepycat.com> +# +# Copying and distribution of this file, with or without +# modification, are permitted in any medium without royalty provided +# the copyright notice and this notice are preserved. + +AC_DEFUN([AC_JNI_INCLUDE_DIR],[ + +JNI_INCLUDE_DIRS="" + +test "x$JAVAC" = x && AC_MSG_ERROR(['\$JAVAC' undefined]) +AC_PATH_PROG(_ACJNI_JAVAC, $JAVAC, no) +test "x$_ACJNI_JAVAC" = xno && AC_MSG_ERROR([$JAVAC could not be found in path]) + +_ACJNI_FOLLOW_SYMLINKS("$_ACJNI_JAVAC") +_JTOPDIR=`echo "$_ACJNI_FOLLOWED" | sed -e 's://*:/:g' -e 's:/[[^/]]*$::'` +case "$host_os" in + darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + _JINC="$_JTOPDIR/Headers";; + *) _JINC="$_JTOPDIR/include";; +esac +if test -f "$_JINC/jni.h"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC" +else + _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + if test -f "$_JTOPDIR/include/jni.h"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include" + else + AC_MSG_ERROR([cannot find java include files]) + fi +fi + +# get the likely subdirectories for system specific java includes +case "$host_os" in +bsdi*) _JNI_INC_SUBDIRS="bsdos";; +linux*) _JNI_INC_SUBDIRS="linux genunix";; +osf*) _JNI_INC_SUBDIRS="alpha";; +solaris*) _JNI_INC_SUBDIRS="solaris";; +mingw*) _JNI_INC_SUBDIRS="win32";; +cygwin*) _JNI_INC_SUBDIRS="win32";; +*) _JNI_INC_SUBDIRS="genunix";; +esac + +# add any subdirectories that are present +for JINCSUBDIR in $_JNI_INC_SUBDIRS +do + if test -d "$_JTOPDIR/include/$JINCSUBDIR"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$JINCSUBDIR" + fi +done +]) + +# _ACJNI_FOLLOW_SYMLINKS <path> +# Follows symbolic links on <path>, +# finally setting variable _ACJNI_FOLLOWED +# -------------------- +AC_DEFUN([_ACJNI_FOLLOW_SYMLINKS],[ +# find the include directory relative to the javac executable +_cur="$1" +while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do + AC_MSG_CHECKING(symlink for $_cur) + _slink=`ls -ld "$_cur" | sed 's/.* -> //'` + case "$_slink" in + /*) _cur="$_slink";; + # 'X' avoids triggering unwanted echo options. + *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";; + esac + AC_MSG_RESULT($_cur) +done +_ACJNI_FOLLOWED="$_cur" +])# _ACJNI |