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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 java.io.File;
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.WindowsRegistry;
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)
findBinDir();
return binDir;
}
private static void findBinDir() {
// 1. Try the mingw directory in the platform install directory
// CDT distributions like Wascana may distribute MinGW like that
IPath subPath = new Path("mingw\\bin"); //$NON-NLS-1$
IPath installPath = new Path(Platform.getInstallLocation().getURL().getFile());
IPath binPathTemp = installPath.append(subPath);
if (binPathTemp.toFile().isDirectory())
binDir = binPathTemp;
// 2. Try the directory above the install dir (another possible distribution)
if (binDir == null) {
binPathTemp = installPath.removeLastSegments(1).append(subPath);
if (binPathTemp.toFile().isDirectory()) {
binDir = binPathTemp;
}
}
// 3. Look in PATH values. Look for mingw32-gcc.exe
if (binDir == null) {
String pathVariable = System.getenv("PATH"); //$NON-NLS-1$
String[] paths = pathVariable.split(";"); //$NON-NLS-1$
for (String pathStr : paths) {
// If there is a trailing / or \, remove it
if ((pathStr.endsWith("\\") || pathStr.endsWith("/")) && pathStr.length() > 1) //$NON-NLS-1$ //$NON-NLS-2$
pathStr = pathStr.substring(0, pathStr.length() - 1);
File pathFile = new File(pathStr + "\\mingw32-gcc.exe"); //$NON-NLS-1$
if (pathFile.exists()) {
binDir = new Path(pathStr);
break;
}
}
}
// 4. Try looking if the mingw installer ran
if (binDir == null) {
WindowsRegistry registry = WindowsRegistry.getRegistry();
if (registry != null) {
String mingwPath = registry.getLocalMachineValue(
"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\MinGW", //$NON-NLS-1$
"InstallLocation"); //$NON-NLS-1$
if (mingwPath != null) {
binPathTemp = new Path(mingwPath).append("bin"); //$NON-NLS-1$
if (binPathTemp.toFile().isDirectory())
binDir = binPathTemp;
}
}
}
// 5. Try the default MinGW install dir
if (binDir == null) {
binPathTemp = new Path("C:\\MinGW\\bin"); //$NON-NLS-1$
if (binPathTemp.toFile().isDirectory())
binDir = binPathTemp;
}
checked = true;
}
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"); //$NON-NLS-1$
return msysBinPath.toFile().isDirectory() ? msysBinPath : 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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