qmake/main.cpp

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  41
  42 #include "project.h"
  43 #include "property.h"
  44 #include "option.h"
  45 #include "cachekeys.h"
  46 #include "metamakefile.h"
  47 #include <qnamespace.h>
  48 #include <qdebug.h>
  49 #include <qregexp.h>
  50 #include <qdir.h>
  51 #include <stdio.h>
  52 #include <stdlib.h>
  53 #include <ctype.h>
  54 #include <fcntl.h>
  55 #include <sys/types.h>
  56 #include <sys/stat.h>
  57
  58 QT_BEGIN_NAMESPACE
  59
  60 // for Borland, main is defined to qMain which breaks qmake
  61 #undef main
  62 #ifdef Q_OS_MAC
  63 #endif
  64
  65 /* This is to work around lame implementation on Darwin. It has been noted that the getpwd(3) function
  66    is much too slow, and called much too often inside of Qt (every fileFixify). With this we use a locally
  67    cached copy because I can control all the times it is set (because Qt never sets the pwd under me).
  68 */
  69 static QString pwd;
  70 QString qmake_getpwd()
  71 {
  72     if(pwd.isNull())
  73         pwd = QDir::currentPath();
  74     return pwd;
  75 }
  76 bool qmake_setpwd(const QString &p)
  77 {
  78     if(QDir::setCurrent(p)) {
  79         pwd = QDir::currentPath();
  80         return true;
  81     }
  82     return false;
  83 }
  84
  85 int runQMake(int argc, char **argv)
  86 {
  87     // stderr is unbuffered by default, but stdout buffering depends on whether
  88     // there is a terminal attached. Buffering can make output from stderr and stdout
  89     // appear out of sync, so force stdout to be unbuffered as well.
  90     // This is particularly important for things like QtCreator and scripted builds.
  91     setvbuf(stdout, (char *)NULL, _IONBF, 0);
  92
  93     // parse command line
  94     int ret = Option::init(argc, argv);
  95     if(ret != Option::QMAKE_CMDLINE_SUCCESS) {
  96         if ((ret & Option::QMAKE_CMDLINE_ERROR) != 0)
  97             return 1;
  98         return 0;
  99     }
 100
 101     QString oldpwd = qmake_getpwd();
 102 #ifdef Q_WS_WIN
 103     if(!(oldpwd.length() == 3 && oldpwd[0].isLetter() && oldpwd.endsWith(":/")))
 104 #endif
 105     {
 106         if(oldpwd.right(1) != QString(QChar(QDir::separator())))
 107             oldpwd += QDir::separator();
 108     }
 109     Option::output_dir = oldpwd; //for now this is the output dir
 110
 111     if(Option::output.fileName() != "-") {
 112         QFileInfo fi(Option::output);
 113         QString dir;
 114         if(fi.isDir()) {
 115             dir = fi.filePath();
 116         } else {
 117             QString tmp_dir = fi.path();
 118             if(!tmp_dir.isEmpty() && QFile::exists(tmp_dir))
 119                 dir = tmp_dir;
 120         }
 121         if(!dir.isNull() && dir != ".")
 122             Option::output_dir = dir;
 123         if(QDir::isRelativePath(Option::output_dir))
 124             Option::output_dir.prepend(oldpwd);
 125         Option::output_dir = QDir::cleanPath(Option::output_dir);
 126     }
 127
 128     QMakeProperty prop;
 129     if(Option::qmake_mode == Option::QMAKE_QUERY_PROPERTY || Option::qmake_mode == Option::QMAKE_SET_PROPERTY)
 130         return prop.exec() ? 0 : 101;
 131
 132     QMakeProject project(&prop);
 133     int exit_val = 0;
 134     QStringList files;
 135     if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
 136         files << "(*hack*)"; //we don't even use files, but we do the for() body once
 137     else
 138         files = Option::mkfile::project_files;
 139     for(QStringList::Iterator pfile = files.begin(); pfile != files.end(); pfile++) {
 140         if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
 141            Option::qmake_mode == Option::QMAKE_GENERATE_PRL) {
 142             QString fn = Option::fixPathToLocalOS((*pfile));
 143             if(!QFile::exists(fn)) {
 144                 fprintf(stderr, "Cannot find file: %s.\n", fn.toLatin1().constData());
 145                 exit_val = 2;
 146                 continue;
 147             }
 148
 149             //setup pwd properly
 150             debug_msg(1, "Resetting dir to: %s", oldpwd.toLatin1().constData());
 151             qmake_setpwd(oldpwd); //reset the old pwd
 152             int di = fn.lastIndexOf(Option::dir_sep);
 153             if(di != -1) {
 154                 debug_msg(1, "Changing dir to: %s", fn.left(di).toLatin1().constData());
 155                 if(!qmake_setpwd(fn.left(di)))
 156                     fprintf(stderr, "Cannot find directory: %s\n", fn.left(di).toLatin1().constData());
 157                 fn = fn.right(fn.length() - di - 1);
 158             }
 159
 160             // read project..
 161             if(!project.read(fn)) {
 162                 fprintf(stderr, "Error processing project file: %s\n",
 163                         fn == "-" ? "(stdin)" : (*pfile).toLatin1().constData());
 164                 exit_val = 3;
 165                 continue;
 166             }
 167             if(Option::mkfile::do_preprocess) //no need to create makefile
 168                 continue;
 169         }
 170
 171         bool success = true;
 172         MetaMakefileGenerator *mkfile = MetaMakefileGenerator::createMetaGenerator(&project, QString(), false, &success);
 173         if (!success)
 174             exit_val = 3;
 175
 176         if(mkfile && !mkfile->write(oldpwd)) {
 177             if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
 178                 fprintf(stderr, "Unable to generate project file.\n");
 179             else
 180                 fprintf(stderr, "Unable to generate makefile for: %s\n", (*pfile).toLatin1().constData());
 181             exit_val = 5;
 182         }
 183         delete mkfile;
 184         mkfile = NULL;
 185     }
 186     qmakeClearCaches();
 187     return exit_val;
 188 }
 189
 190 QT_END_NAMESPACE
 191
 192 int main(int argc, char **argv)
 193 {
 194     return QT_PREPEND_NAMESPACE(runQMake)(argc, argv);
 195 }