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ant: Support the OpenJRE (without OpenJDK) and the GNU JVM

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For instance, a package can now say:

  buildInputs = [ ant jre ecj ];

which would cause the Eclipse compiler to be used with the OpenJRE.
Similarly:

  buildInputs = [ ant gcj ];

uses the GNU JVM with the GNU Java compiler.
This commit is contained in:
Eelco Dolstra 2014-01-09 11:14:36 +01:00
parent c32d0180e4
commit 4e29062fbc
1 changed files with 28 additions and 5 deletions
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33
pkgs/development/tools/build-managers/apache-ant/default.nix
View File

@ -36,17 +36,40 @@ stdenv.mkDerivation {
ANT_HOME=$out/lib/ant
# Find the JDK by looking for javac. As a fall-back, find the
# JRE by looking for java. The latter allows just the JRE to be
# used with (say) ECJ as the compiler. Finally, allow the GNU
# JVM.
if [ -z "\$JAVA_HOME" ]; then
if ! JAVACCMD="\$(type -p javac)"; then
echo "\$0: cannot find the Java SDK" >&2
for i in javac java gij; do
if p="\$(type -p \$i)"; then
export JAVA_HOME="\$(dirname \$(dirname \$(readlink -f \$p)))"
break
fi
done
if [ -z "\$JAVA_HOME" ]; then
echo "\$0: cannot find the JDK or JRE" >&2
exit 1
fi
export JAVA_HOME="\$(dirname \$(dirname \$(readlink -f \$JAVACCMD)))"
fi
LOCALCLASSPATH="\$ANT_HOME/lib/ant-launcher.jar:\$JAVA_HOME/lib/tools.jar\''${LOCALCLASSPATH:+:}\$LOCALCLASSPATH"
if [ -z \$NIX_JVM ]; then
if [ -e \$JAVA_HOME/bin/java ]; then
NIX_JVM=\$JAVA_HOME/bin/java
elif [ -e \$JAVA_HOME/bin/gij ]; then
NIX_JVM=\$JAVA_HOME/bin/gij
else
NIX_JVM=java
fi
fi
exec "\$JAVA_HOME/bin/java" \$NIX_ANT_OPTS \$ANT_OPTS -classpath "\$LOCALCLASSPATH" \
LOCALCLASSPATH="\$ANT_HOME/lib/ant-launcher.jar\''${LOCALCLASSPATH:+:}\$LOCALCLASSPATH"
if [ -e \$JAVA_HOME/lib/tools.jar ]; then
LOCALCLASSPATH="\$JAVA_HOME/lib/tools.jar\''${LOCALCLASSPATH:+:}\$LOCALCLASSPATH"
fi
exec \$NIX_JVM \$NIX_ANT_OPTS \$ANT_OPTS -classpath "\$LOCALCLASSPATH" \
-Dant.home=\$ANT_HOME -Dant.library.dir="\$ANT_LIB" \
org.apache.tools.ant.launch.Launcher \$NIX_ANT_ARGS \$ANT_ARGS \
-cp "\$CLASSPATH" "\$@"