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/*******************************************************************************
* Copyright (c) 2006, 2010 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.gnu.mingw;
import org.eclipse.cdt.managedbuilder.core.IConfiguration;
import org.eclipse.cdt.managedbuilder.envvar.IBuildEnvironmentVariable;
import org.eclipse.cdt.managedbuilder.envvar.IConfigurationEnvironmentVariableSupplier;
import org.eclipse.cdt.managedbuilder.envvar.IEnvironmentVariableProvider;
import org.eclipse.cdt.utils.PathUtil;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
/**
* @author Doug Schaefer
*
* @noextend This class is not intended to be subclassed by clients.
*/
public class MingwEnvironmentVariableSupplier implements
IConfigurationEnvironmentVariableSupplier {
private static boolean checked = false;
private static IPath binDir = null;
private static class MingwBuildEnvironmentVariable implements IBuildEnvironmentVariable {
private final String name;
private final String value;
private final int operation;
public MingwBuildEnvironmentVariable(String name, String value, int operation) {
this.name = name;
this.value = value;
this.operation = operation;
}
public String getName() {
return name;
}
public String getValue() {
return value;
}
public int getOperation() {
return operation;
}
public String getDelimiter() {
return ";"; //$NON-NLS-1$
}
}
private IBuildEnvironmentVariable path;
public static IPath getBinDir() {
if (!checked) {
binDir = findBinDir();
checked = true;
}
return binDir;
}
private static IPath findBinDir() {
// Try in MinGW home
String mingwHome = System.getenv("MINGW_HOME"); //$NON-NLS-1$
IPath mingwBinDir = new Path(mingwHome + "\\bin"); //$NON-NLS-1$
if (mingwBinDir.toFile().isDirectory())
return mingwBinDir;
// Try the mingw directory in the platform install directory
// CDT distributions like Wascana may distribute MinGW like that
IPath installPath = new Path(Platform.getInstallLocation().getURL().getFile());
mingwBinDir = installPath.append("mingw\\bin"); //$NON-NLS-1$
if (mingwBinDir.toFile().isDirectory())
return mingwBinDir;
// Look in PATH values. Look for mingw32-gcc.exe
// TODO: Since this dir is already in the PATH, why are we adding it here?
// This is really only to support isToolchainAvail. Must be a better way.
IPath gccLoc = PathUtil.findProgramLocation("mingw32-gcc.exe"); //$NON-NLS-1$
if (gccLoc != null)
return gccLoc.removeLastSegments(1);
// Try the default MinGW install dir
mingwBinDir = new Path("C:\\MinGW\\bin"); //$NON-NLS-1$
if (mingwBinDir.toFile().isDirectory())
return mingwBinDir;
return null;
}
public static IPath getMsysBinDir() {
// Just look in the install location parent dir
IPath installPath = new Path(Platform.getInstallLocation().getURL().getFile());
IPath msysBinPath = installPath.append("msys\\bin"); //$NON-NLS-1$
if (msysBinPath.toFile().isDirectory())
return msysBinPath;
String mingwHome = System.getenv("MINGW_HOME"); //$NON-NLS-1$
if (mingwHome != null) {
msysBinPath = new Path(mingwHome + "\\msys\\1.0\\bin"); //$NON-NLS-1$
if (msysBinPath.toFile().isDirectory())
return msysBinPath;
}
// Try the new MinGW msys bin dir
msysBinPath = new Path("C:\\MinGW\\msys\\1.0\\bin"); //$NON-NLS-1$
if (msysBinPath.toFile().isDirectory())
return msysBinPath;
return null;
}
public MingwEnvironmentVariableSupplier() {
IPath binPath = getBinDir();
if (binPath != null) {
String pathStr = binPath.toOSString();
IPath msysBinPath = getMsysBinDir();
if (msysBinPath != null)
pathStr += ';' + msysBinPath.toOSString();
path = new MingwBuildEnvironmentVariable("PATH", pathStr, IBuildEnvironmentVariable.ENVVAR_PREPEND); //$NON-NLS-1$
}
}
public IBuildEnvironmentVariable getVariable(String variableName,
IConfiguration configuration, IEnvironmentVariableProvider provider) {
if (path != null && variableName.equals(path.getName()))
return path;
else
return null;
}
public IBuildEnvironmentVariable[] getVariables(
IConfiguration configuration, IEnvironmentVariableProvider provider) {
return path != null
? new IBuildEnvironmentVariable[] { path }
: new IBuildEnvironmentVariable[0];
}
}
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