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###############################################################################
# libbrlapi - A library providing access to braille terminals for applications.
#
# Copyright (C) 2006-2025 by
# Samuel Thibault <Samuel.Thibault@ens-lyon.org>
# Sébastien Hinderer <Sebastien.Hinderer@ens-lyon.org>
#
# libbrlapi comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed under the terms of the
# GNU Lesser General Public License, as published by the Free Software
# Foundation; either version 2.1 of the License, or (at your option) any
# later version. Please see the file LICENSE-LGPL for details.
#
# Web Page: http://brltty.app/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
###############################################################################
AC_DEFUN([BRLTTY_JAVA_BINDINGS], [dnl
AC_SUBST([JAVA_OK], [false])
AC_SUBST([JAVAC], [JAVA_COMPILER_NOT_FOUND_BY_CONFIGURE])
AC_SUBST([JAVADOC], [JAVA_DOCUMENT_COMMAND_NOT_FOUND_BY_CONFIGURE])
AC_SUBST([JAR], [JAVA_ARCHIVE_COMMAND_NOT_FOUND_BY_CONFIGURE])
java_compiler_name="javac"
java_compiler_path=""
if test -n "${JAVA_HOME}"
then
BRLTTY_CHECK_JAVA_HOME(["${JAVA_HOME}"])
else
BRLTTY_CHECK_JAVA_COMPILER([${java_compiler_name}])
BRLTTY_CHECK_JAVA_HOME(["/usr/java"])
BRLTTY_CHECK_JAVA_HOME(["/usr/lib/jvm/default-java"])
BRLTTY_CHECK_JAVA_HOME(["/usr/lib/jvm/java"])
BRLTTY_CHECK_JAVA_COMPILER([gcj])
fi
test -n "${java_compiler_path}" && {
brltty_path=`realpath -- "${java_compiler_path}"` && java_compiler_path="${brltty_path}"
test "${java_compiler_path##*/}" = "javavm" && java_compiler_path=""
}
BRLTTY_CHECK_JAVA_PATH([dnl
test -n "${JAVA_VERSION}" || export JAVA_VERSION=11+
AC_MSG_NOTICE([Java version: ${JAVA_VERSION}])
AC_MSG_CHECKING([JVM path])
BRLTTY_JAVA_QUERY([brltty_path], [jvmpath])
if test -n "${brltty_path}"
then
AC_MSG_RESULT([${brltty_path}])
java_compiler_path="${brltty_path%/*}/${java_compiler_name}"
else
AC_MSG_RESULT([not found])
fi
])
if test -n "${java_compiler_path}"
then
JAVA_OK=true
AC_MSG_NOTICE([Java compiler: ${java_compiler_path}])
java_compiler_name="${java_compiler_path##*/}"
java_source_encoding="UTF-8"
java_target="-source 1.8 -target 1.8"
case "${java_compiler_name}"
in
javac) java_compiler_options="-encoding ${java_source_encoding} ${java_target}";;
gcj) java_compiler_options="-C --encoding=${java_source_encoding}";;
*) java_compiler_options=""
AC_MSG_WARN([Java compiler name not handled: ${java_compiler_name}])
;;
esac
JAVAC="'${java_compiler_path}' ${java_compiler_options}"
java_commands_directory=`AS_DIRNAME("${java_compiler_path}")`
java_home_directory=`AS_DIRNAME("${java_commands_directory}")`
BRLTTY_CHECK_JAVA_COMMAND([java_document_command], [javadoc gjdoc])
test -n "${java_document_command}" || java_document_command=":"
JAVADOC="'${java_document_command}' -encoding ${java_source_encoding}"
BRLTTY_CHECK_JAVA_COMMAND([java_archive_command], [jar gjar])
JAR="'${java_archive_command}'"
BRLTTY_JAVA_DIRECTORY([JAR], [/usr/share/java /mingw])
BRLTTY_JAVA_DIRECTORY([JNI], [/usr/lib*/java /usr/lib*/jni /usr/lib/*/jni /mingw])
JAVA_JNI_INC="${java_home_directory}/include"
JAVA_JNI_HDR="jni.h"
JAVA_JNI_FLAGS=""
AC_CHECK_HEADER([${JAVA_JNI_HDR}], [], [AC_CHECK_FILE(["${JAVA_JNI_INC}/${JAVA_JNI_HDR}"], [JAVA_JNI_FLAGS="-I${JAVA_JNI_INC}"], [JAVA_OK=false])])
"${JAVA_OK}" && {
set -- "${JAVA_JNI_INC}"/*/jni_md.h
if test ${#} -eq 1
then
brltty_directory=`AS_DIRNAME("${1}")`
JAVA_JNI_FLAGS="${JAVA_JNI_FLAGS} -I${brltty_directory}"
elif test ${#} -gt 0
then
AC_MSG_WARN([more than one machine-dependent Java header found: ${*}])
JAVA_OK=false
fi
}
AC_SUBST([JAVA_JNI_HDR])
AC_SUBST([JAVA_JNI_INC], ["'${JAVA_JNI_INC}'"])
AC_SUBST([JAVA_JNI_FLAGS])
else
AC_MSG_WARN([Java compiler not found])
fi
])
AC_DEFUN([BRLTTY_CHECK_JAVA_PATH], [dnl
test -n "${java_compiler_path}" || {
$1
}
])
AC_DEFUN([BRLTTY_CHECK_JAVA_COMPILER], [dnl
BRLTTY_CHECK_JAVA_PATH([dnl
AC_PATH_PROG([java_compiler_path], [$1], [])
])
])
AC_DEFUN([BRLTTY_CHECK_JAVA_HOME], [dnl
test -n "${java_compiler_path}" || {
AC_MSG_CHECKING([if $1 is a JDK])
brltty_path="$1/bin/${java_compiler_name}"
if test -f "${brltty_path}" -a -x "${brltty_path}"
then
java_compiler_path="${brltty_path}"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
}
])
AC_DEFUN([BRLTTY_CHECK_JAVA_COMMAND], [dnl
AC_PATH_PROGS([$1], [$2], [], ["${java_commands_directory}"])
])
AC_DEFUN([BRLTTY_JAVA_DIRECTORY], [dnl
test -n "${JAVA_$1_DIR}" || {
for directory in $2
do
test -d "${directory}" && {
JAVA_$1_DIR="${directory}"
break
}
done
}
if test -n "${JAVA_$1_DIR}"
then
JAVA_$1="yes"
AC_MSG_NOTICE([Java] m4_tolower([$1]) [installation directory: ${JAVA_$1_DIR}])
else
JAVA_$1="no"
AC_MSG_WARN([no commonly used] m4_tolower([$1]) [installation directory])
fi
AC_SUBST([JAVA_$1])
AC_SUBST([JAVA_$1_DIR])
])
AC_DEFUN([BRLTTY_JAVA_QUERY], [dnl
$1=`"${srcdir}/Tools/javacmd" $2`
])
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