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#
# Copyright (c) NVIDIA CORPORATION & AFFILIATES, 2001-2017. ALL RIGHTS RESERVED.
#
# See file LICENSE for terms.
#
#
#
# Check for Java support
#
#
java_happy="no"
AC_ARG_WITH([java],
[AS_HELP_STRING([--with-java=(PATH)],
[Compile Java UCX (default is guess).])
], [], [with_java=guess])
AS_IF([test "x$with_java" != xno],
[
AC_CHECK_PROG(MVNBIN, mvn, yes)
AC_CHECK_PROG(JAVABIN, java, yes)
AS_IF([test "x${MVNBIN}" = "xyes" -a "x${JAVABIN}" = "xyes"],
[
AS_IF([test -n "$with_java" -a "x$with_java" != "xyes" -a "x$with_java" != "xguess"],
[java_dir=$with_java],
[
AS_IF([test -n "$JAVA_HOME"],
[],
[
AC_CHECK_PROG(READLINK, readlink, yes)
AS_IF([test "x${READLINK}" = xyes],
[
JAVA_BIN_FOLDER=`AS_DIRNAME([$(readlink -f $(type -P javac))])`
JAVA_HOME=`AS_DIRNAME([$JAVA_BIN_FOLDER])`
AC_MSG_NOTICE([Setting JAVA_HOME=$JAVA_HOME])
],
[
AS_IF(
[test "x$with_java" = "xguess"],
[AC_MSG_WARN([For Java support please install readlink or set JAVA_HOME=<path-to-java>])],
[AC_MSG_ERROR([Java support requested, but couldn't find path; please set JAVA_HOME=<path-to-java>])]
)
]
)
]
)
java_dir=$JAVA_HOME
]
)
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="-I$java_dir/include/linux -I$java_dir/include $CPPFLAGS"
AC_CHECK_HEADERS([jni_md.h jni.h],
[
java_happy="yes"
],
[
AS_IF([test "x$with_java" = "xguess"],
[AC_MSG_WARN([Couldn't find jni headers.])],
[AC_MSG_ERROR([Java support requested, but couldn't find jni headers in $java_dir])]
)
]
)
CPPFLAGS="$save_CPPFLAGS"
],
[
AS_IF([test "x$with_java" = "xguess"],
[AC_MSG_WARN([Disabling Java support - java or mvn not in path.])],
[AC_MSG_ERROR([Java support was explicitly requested, but java or mvn not in path.])]
)
]
)
],
[AC_MSG_WARN([Java support was explicitly disabled.])]
)
AC_SUBST([JDK], [${java_dir}])
AM_CONDITIONAL([HAVE_JAVA], [test "x$java_happy" != "xno"])
#Set MVN according to whether user has Java and Maven or not
AM_COND_IF([HAVE_JAVA],
[AC_SUBST([MVN], ["mvn"])
build_bindings="${build_bindings}:java"]
)
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