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Diffstat (limited to 'src/main/java/net/sf/antcontrib/cpptasks/gcc/GccLinker.java')
| -rw-r--r-- | src/main/java/net/sf/antcontrib/cpptasks/gcc/GccLinker.java | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/main/java/net/sf/antcontrib/cpptasks/gcc/GccLinker.java b/src/main/java/net/sf/antcontrib/cpptasks/gcc/GccLinker.java new file mode 100644 index 0000000..c4720c8 --- /dev/null +++ b/src/main/java/net/sf/antcontrib/cpptasks/gcc/GccLinker.java @@ -0,0 +1,210 @@ +/* + * + * Copyright 2002-2004 The Ant-Contrib project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package net.sf.antcontrib.cpptasks.gcc; +import java.io.File; +import java.util.Vector; + +import net.sf.antcontrib.cpptasks.CUtil; +import net.sf.antcontrib.cpptasks.compiler.LinkType; +import net.sf.antcontrib.cpptasks.compiler.Linker; +/** + * Adapter for the GCC linker + * + * @author Adam Murdoch + */ +public class GccLinker extends AbstractLdLinker { + private static final String[] discardFiles = new String[0]; + private static final String[] objFiles = new String[]{".o", ".a", ".lib", + ".dll", ".so", ".sl"}; + private static final String[] libtoolObjFiles = new String[]{".fo", ".a", + ".lib", ".dll", ".so", ".sl"}; + private static String[] linkerOptions = new String[]{"-bundle", + "-dynamiclib", "-nostartfiles", "-nostdlib", "-prebind", "-s", + "-static", "-shared", "-symbolic", "-Xlinker", + "--export-all-symbols", "-static-libgcc",}; + private static final GccLinker dllLinker = new GccLinker("gcc", objFiles, + discardFiles, "lib", ".so", false, new GccLinker("gcc", objFiles, + discardFiles, "lib", ".so", true, null)); + private static final GccLinker instance = new GccLinker("gcc", objFiles, + discardFiles, "", "", false, null); + private static final GccLinker machBundleLinker = new GccLinker("gcc", + objFiles, discardFiles, "lib", ".bundle", false, null); + private static final GccLinker machDllLinker = new GccLinker("gcc", + objFiles, discardFiles, "lib", ".dylib", false, null); + public static GccLinker getInstance() { + return instance; + } + private File[] libDirs; + protected GccLinker(String command, String[] extensions, + String[] ignoredExtensions, String outputPrefix, + String outputSuffix, boolean isLibtool, GccLinker libtoolLinker) { + super(command, "-dumpversion", extensions, ignoredExtensions, + outputPrefix, outputSuffix, isLibtool, libtoolLinker); + } + protected void addImpliedArgs(boolean debug, LinkType linkType, Vector args) { + super.addImpliedArgs(debug, linkType, args); + if (getIdentifier().indexOf("mingw") >= 0) { + if (linkType.isSubsystemConsole()) { + args.addElement("-mconsole"); + } + if (linkType.isSubsystemGUI()) { + args.addElement("-mwindows"); + } + } + } + /** + * Allows drived linker to decorate linker option. Override by GccLinker to + * prepend a "-Wl," to pass option to through gcc to linker. + * + * @param buf + * buffer that may be used and abused in the decoration process, + * must not be null. + * @param arg + * linker argument + */ + public String decorateLinkerOption(StringBuffer buf, String arg) { + String decoratedArg = arg; + if (arg.length() > 1 && arg.charAt(0) == '-') { + switch (arg.charAt(1)) { + // + // passed automatically by GCC + // + case 'g' : + case 'f' : + case 'F' : + /* Darwin */ + case 'm' : + case 'O' : + case 'W' : + case 'l' : + case 'L' : + case 'u' : + case 'v' : + break; + default : + boolean known = false; + for (int i = 0; i < linkerOptions.length; i++) { + if (linkerOptions[i].equals(arg)) { + known = true; + break; + } + } + if (!known) { + buf.setLength(0); + buf.append("-Wl,"); + buf.append(arg); + decoratedArg = buf.toString(); + } + break; + } + } + return decoratedArg; + } + /** + * Returns library path. + * + */ + public File[] getLibraryPath() { + if (libDirs == null) { + // + // construct gcc lib path from machine and version + // + StringBuffer buf = new StringBuffer("/lib/gcc-lib/"); + buf.append(GccProcessor.getMachine()); + buf.append('/'); + buf.append(GccProcessor.getVersion()); + // + // build default path from gcc and system /lib and /lib/w32api + // + String[] impliedLibPath = new String[]{buf.toString(), + "/lib/w32api", "/lib"}; + // + // read gcc specs file for other library paths + // + String[] specs = GccProcessor.getSpecs(); + String[][] libpaths = GccProcessor.parseSpecs(specs, "*link:", + new String[]{"%q"}); + String[] libpath; + if (libpaths[0].length > 0) { + libpath = new String[libpaths[0].length + 3]; + int i = 0; + for (; i < libpaths[0].length; i++) { + libpath[i] = libpaths[0][i]; + } + libpath[i++] = buf.toString(); + libpath[i++] = "/lib/w32api"; + libpath[i++] = "/lib"; + } else { + // + // if a failure to find any matches then + // use some default values for lib path entries + libpath = new String[]{"/usr/local/lib/mingw", + "/usr/local/lib", "/usr/lib/w32api", "/usr/lib/mingw", + "/usr/lib", buf.toString(), "/lib/w32api", "/lib"}; + } + for (int i = 0; i < libpath.length; i++) { + if (libpath[i].indexOf("mingw") >= 0) { + libpath[i] = null; + } + } + // + // if cygwin then + // we have to prepend location of gcc32 + // and .. to start of absolute filenames to + // have something that will exist in the + // windows filesystem + if (GccProcessor.isCygwin()) { + GccProcessor.convertCygwinFilenames(libpath); + } + // + // check that remaining entries are actual directories + // + int count = CUtil.checkDirectoryArray(libpath); + // + // populate return array with remaining entries + // + libDirs = new File[count]; + int index = 0; + for (int i = 0; i < libpath.length; i++) { + if (libpath[i] != null) { + libDirs[index++] = new File(libpath[i]); + } + } + } + return libDirs; + } + public Linker getLinker(LinkType type) { + if (type.isStaticLibrary()) { + return GccLibrarian.getInstance(); + } + if (type.isPluginModule()) { + if (isDarwin()) { + return machBundleLinker; + } else { + return dllLinker; + } + } + if (type.isSharedLibrary()) { + if (isDarwin()) { + return machDllLinker; + } else { + return dllLinker; + } + } + return instance; + } +} |