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Bump the minimum version of Java required.

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NEWS:
README.Java:
    Required at least Java SE 6 or equivalent.

m4/mercury.m4:
    Check for at least the above version of Java.
This commit is contained in:
Julien Fischer
2016-10-11 10:26:55 +11:00
parent 1d2072af29
commit be267604bb
3 changed files with 14 additions and 13 deletions
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3
NEWS
View File

@@ -88,6 +88,9 @@ Changes that may break compatibility:
* We have deleted the builtin modes `no' and `oo': their uses should be
replaced with `oa' and `ia' respectively.
* The minimum version of the Java platform required by Mercury's Java
backend is now Java SE 6.
Changes to the Mercury language:
* We have added a new kind of scope to the language: determinism checks

20
README.Java
View File

@@ -2,24 +2,22 @@
INTRODUCTION
This release of Mercury contains a port to Java,
in particular to Sun Microsystems' Java 2 Platform, Standard Edition (J2SE).
The Mercury compiler will generate Java source code that can be compiled into
Java bytecode suitable for running in the J2SE runtime system.
The Mercury compiler can generate Java source code that can be compiled into
Java bytecode suitable for running the Java SE runtime system. The port is
mostly complete, but some parts of the Mercury standard library are not yet
implemented (for a full list see the FAQ below).
The port is mostly complete, but some parts of the Mercury standard
library are not yet implemented (for a full list see the FAQ below).
The port is currently targeted at J2SE version 1.5 or higher.
The port requires Java SE 6 or higher -- older versions of Java are *not*
supported.
PREREQUISITES
In order to try this system you will need
- The J2SE SDK, which can be downloaded for free from
<http://java.sun.com/downloads/index.html>
* The J2SE SDK, which can be downloaded for free from
<http://www.oracle.com/technetwork/indexes/downloads/index.html>
OR any other compatible Java implementation.
* OR any other compatible Java implementation, such as OpenJDK.
-----------------------------------------------------------------------------

4
m4/mercury.m4
View File

@@ -492,7 +492,7 @@ if test "$JAVAC" != "" -a "$JAVA_INTERPRETER" != "" -a "$JAR" != ""; then
cat > conftest.java << EOF
// This program simply retrieves the constant
// specifying the version number of the Java SDK and
// checks it is at least 1.5, printing "Hello, world"
// checks it is at least 1.6, printing "Hello, world"
// if successful.
public class conftest {
public static void main (String[[]] args) {
@@ -512,7 +512,7 @@ if test "$JAVAC" != "" -a "$JAVA_INTERPRETER" != "" -a "$JAR" != ""; then
version = 0f;
}
if (version >= 1.5f) {
if (version >= 1.6) {
System.out.println("Hello, world\n");
} else {
System.out.println("Nope, sorry.\n");