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dnl ===================================================================
dnl Licensed to the Apache Software Foundation (ASF) under one
dnl or more contributor license agreements. See the NOTICE file
dnl distributed with this work for additional information
dnl regarding copyright ownership. The ASF licenses this file
dnl to you under the Apache License, Version 2.0 (the
dnl "License"); you may not use this file except in compliance
dnl with the License. You may obtain a copy of the License at
dnl
dnl http://www.apache.org/licenses/LICENSE-2.0
dnl
dnl Unless required by applicable law or agreed to in writing,
dnl software distributed under the License is distributed on an
dnl "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
dnl KIND, either express or implied. See the License for the
dnl specific language governing permissions and limitations
dnl under the License.
dnl ===================================================================
dnl
dnl java.m4: Locates the JDK and its include files and libraries.
dnl
AC_DEFUN(SVN_CHECK_JDK,
[
JAVA_OLDEST_WORKING_VER="$1"
AC_ARG_WITH(jdk,
AS_HELP_STRING([--with-jdk=PATH],
[Try to use 'PATH/include' to find the JNI
headers. If PATH is not specified, look
for a Java Development Kit at JAVA_HOME.]),
[
case "$withval" in
"no")
JDK_SUITABLE=no
;;
"yes")
SVN_FIND_JDK(check, $JAVA_OLDEST_WORKING_VER)
;;
*)
SVN_FIND_JDK($withval, $JAVA_OLDEST_WORKING_VER)
;;
esac
],
[
SVN_FIND_JDK(check, $JAVA_OLDEST_WORKING_VER)
])
])
AC_DEFUN(SVN_FIND_JDK,
[
where=$1
JAVA_OLDEST_WORKING_VER="$2"
JDK=none
JAVA_BIN=none
JAVADOC=none
JAVAC=none
JAVAH=none
JAR=none
JNI_INCLUDES=none
JDK_SUITABLE=no
AC_MSG_CHECKING([for JDK])
if test $where = check; then
dnl Prefer /usr/libexec/java_home, then /Library/Java/Home first
dnl to try to be nice on Darwin. We'll correct later if we get
dnl caught in the tangled web of JAVA_HOME.
if test -x "$JAVA_HOME/bin/java"; then
JDK="$JAVA_HOME"
elif test -x "/usr/libexec/java_home"; then
JDK=`/usr/libexec/java_home`
elif test -x "/Library/Java/Home/bin/java"; then
JDK="/Library/Java/Home"
elif test -x "/usr/bin/java"; then
JDK="/usr"
elif test -x "/usr/local/bin/java"; then
JDK="/usr/local"
fi
else
JDK=$where
fi
dnl Correct for Darwin's odd JVM layout. Ideally, we should use realpath,
dnl but Darwin doesn't have that utility. /usr/bin/java is a symlink into
dnl /System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Commands
dnl See http://developer.apple.com/qa/qa2001/qa1170.html
os_arch="`uname`"
if test "$os_arch" = "Darwin"; then
OSX_VER=`/usr/bin/sw_vers | grep ProductVersion | cut -f2 | cut -d"." -f1,2`
if test "$OSX_VER" = "10.4"; then
dnl For OS X 10.4, the SDK version is 10.4u instead of 10.4.
OSX_VER="10.4u"
fi
OSX_SYS_JAVA_FRAMEWORK="/System/Library/Frameworks/JavaVM.framework"
OSX_SDK_JAVA_FRAMEWORK="/Developer/SDKs/MacOSX$OSX_VER.sdk/System/Library"
OSX_SDK_JAVA_FRAMEWORK="$OSX_SDK_JAVA_FRAMEWORK/Frameworks/JavaVM.framework"
fi
if test "$os_arch" = "Darwin" && test "$JDK" = "/usr" &&
test -d "/Library/Java/Home"; then
JDK="/Library/Java/Home"
fi
if test "$os_arch" = "Darwin" && test "$JDK" = "/Library/Java/Home"; then
JRE_LIB_DIR="$OSX_SYS_JAVA_FRAMEWORK/Classes"
else
JRE_LIB_DIR="$JDK/jre/lib"
fi
if test -f "$JDK/include/jni.h"; then
dnl This *must* be fully expanded, or we'll have problems later in find.
JNI_INCLUDEDIR="$JDK/include"
JDK_SUITABLE=yes
elif test "$os_arch" = "Darwin" && test -e "$JDK/Headers/jni.h"; then
dnl Search the Headers directory in the JDK
JNI_INCLUDEDIR="$JDK/Headers"
JDK_SUITABLE=yes
elif test "$os_arch" = "Darwin" &&
test -e "$OSX_SYS_JAVA_FRAMEWORK/Headers/jni.h"; then
dnl Search the System framework's Headers directory
JNI_INCLUDEDIR="$OSX_SYS_JAVA_FRAMEWORK/Headers"
JDK_SUITABLE=yes
elif test "$os_arch" = "Darwin" &&
test -e "$OSX_SDK_JAVA_FRAMEWORK/Headers/jni.h"; then
dnl Search the SDK's System framework's Headers directory
JNI_INCLUDEDIR="$OSX_SDK_JAVA_FRAMEWORK/Headers"
JDK_SUITABLE=yes
else
JDK_SUITABLE=no
fi
if test "$JDK_SUITABLE" = "yes"; then
AC_MSG_RESULT([$JNI_INCLUDEDIR/jni.h])
else
AC_MSG_RESULT([no])
if test "$where" != "check"; then
AC_MSG_WARN([no JNI header files found.])
if test "$os_arch" = "Darwin"; then
AC_MSG_WARN([You may need to install the latest Java Development package from http://connect.apple.com/. Apple no longer includes the JNI header files by default on Java updates.])
fi
fi
fi
if test "$JDK_SUITABLE" = "yes"; then
JAVA_BIN='$(JDK)/bin'
JAVA="$JAVA_BIN/java"
JAVAC="$JAVA_BIN/javac"
JAVAH="$JAVA_BIN/javah"
JAVADOC="$JAVA_BIN/javadoc"
JAR="$JAVA_BIN/jar"
dnl Prefer Jikes (for speed) if available.
jikes_options="/usr/local/bin/jikes /usr/bin/jikes"
AC_ARG_WITH(jikes,
AS_HELP_STRING([--with-jikes=PATH],
[Specify the path to a jikes binary to use
it as your Java compiler. The default is to
look for jikes (PATH optional). This behavior
can be switched off by supplying 'no'.]),
[
if test "$withval" != "no" && test "$withval" != "yes"; then
dnl Assume a path was provided.
jikes_options="$withval $jikes_options"
fi
requested_jikes="$withval" # will be 'yes' if path unspecified
])
if test "$requested_jikes" != "no"; then
dnl Look for a usable jikes binary.
for jikes in $jikes_options; do
if test -z "$jikes_found" && test -x "$jikes"; then
jikes_found="yes"
JAVAC="$jikes"
JAVA_CLASSPATH="$JRE_LIB_DIR"
for jar in $JRE_LIB_DIR/*.jar; do
JAVA_CLASSPATH="$JAVA_CLASSPATH:$jar"
done
fi
done
fi
if test -n "$requested_jikes" && test "$requested_jikes" != "no"; then
dnl Jikes was explicitly requested. Verify that it was provided.
if test -z "$jikes_found"; then
AC_MSG_ERROR([Could not find a usable version of Jikes])
elif test -n "$jikes_found" && test "$requested_jikes" != "yes" &&
test "$JAVAC" != "$requested_jikes"; then
AC_MSG_WARN([--with-jikes PATH was invalid, substitute found])
fi
fi
dnl Add javac flags.
# The release for "-source" could actually be greater than that
# of "-target", if we want to cross-compile for lesser JVMs.
if test -z "$JAVAC_FLAGS"; then
JAVAC_FLAGS="-target $JAVA_OLDEST_WORKING_VER -source 1.6"
if test "$enable_debugging" = "yes"; then
JAVAC_FLAGS="-g -Xlint -Xlint:unchecked -Xlint:serial -Xlint:path $JAVAC_FLAGS"
if test -z "$JAVAC_COMPAT_FLAGS"; then
JAVAC_COMPAT_FLAGS="$JAVAC_FLAGS -Xlint:-unchecked -Xlint:-deprecation -Xlint:-dep-ann -Xlint:-rawtypes"
fi
fi
fi
JNI_INCLUDES="-I$JNI_INCLUDEDIR"
list="`find "$JNI_INCLUDEDIR" -type d -print`"
for dir in $list; do
JNI_INCLUDES="$JNI_INCLUDES -I$dir"
done
fi
dnl We use JDK in the Makefile
AC_SUBST(JDK)
AC_SUBST(JAVA)
AC_SUBST(JAVAC)
AC_SUBST(JAVAC_FLAGS)
AC_SUBST(JAVAC_COMPAT_FLAGS)
AC_SUBST(JAVADOC)
AC_SUBST(JAVAH)
AC_SUBST(JAR)
AC_SUBST(JNI_INCLUDES)
])
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