source/pkgconfiggenerator.cpp

   1 #include <msp/fs/utils.h>
   2 #include <msp/io/file.h>
   3 #include <msp/io/print.h>
   4 #include "builder.h"
   5 #include "pkgconfigfile.h"
   6 #include "pkgconfiggenerator.h"
   7
   8 using namespace std;
   9 using namespace Msp;
  10
  11 PkgConfigGenerator::PkgConfigGenerator(Builder &b):
  12         Tool(b, "PCG")
  13 {
  14 }
  15
  16 Target *PkgConfigGenerator::create_target(const list<Target *> &, const string &)
  17 {
  18         throw logic_error("Not implemented");
  19 }
  20
  21 Task *PkgConfigGenerator::run(const Target &target) const
  22 {
  23         const PkgConfigFile &pkgc = dynamic_cast<const PkgConfigFile &>(target);
  24         Worker *worker = new Worker(pkgc);
  25         return new InternalTask(worker);
  26 }
  27
  28
  29 PkgConfigGenerator::Worker::Worker(const PkgConfigFile &t):
  30         target(t)
  31 { }
  32
  33 void PkgConfigGenerator::Worker::main()
  34 {
  35         Builder &builder = target.get_package()->get_builder();
  36         const SourcePackage &spkg = *target.get_package();
  37
  38         IO::BufferedFile out(target.get_path().str(), IO::M_WRITE);
  39         IO::print(out, "prefix=%s\n", builder.get_prefix().str());
  40         IO::print(out, "source=%s\n\n", spkg.get_source_directory());
  41
  42         IO::print(out, "Name: %s\n", spkg.get_label());
  43         IO::print(out, "Description: %s\n", spkg.get_description());
  44         IO::print(out, "Version: %s\n", spkg.get_version());
  45
  46         IO::print(out, "Requires:");
  47         const Package::Requirements &reqs = spkg.get_required_packages();
  48         for(Package::Requirements::const_iterator i=reqs.begin(); i!=reqs.end(); ++i)
  49                 if((*i)->uses_pkgconfig())
  50                         IO::print(out, " %s", (*i)->get_name());
  51         out.put('\n');
  52
  53         const BuildInfo &binfo = spkg.get_exported_build_info();
  54         IO::print(out, "Libs:");
  55         for(BuildInfo::PathList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
  56                 IO::print(out, " -L%s", prefixify(*i, builder.get_prefix()));
  57         for(BuildInfo::WordList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
  58                 IO::print(out, " -l%s", *i);
  59         if(binfo.threads)
  60                 out.write("-pthread");
  61         out.put('\n');
  62
  63         IO::print(out, "Cflags:");
  64         for(BuildInfo::PathList::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
  65                 IO::print(out, " -I%s", prefixify(*i, builder.get_prefix()));
  66         for(BuildInfo::DefineMap::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
  67                 if(i->second.empty())
  68                         IO::print(out, " -D%s", i->first);
  69                 else
  70                         IO::print(out, " -D%s=%s", i->first, i->second);
  71         out.put('\n');
  72
  73         status = Task::SUCCESS;
  74 }
  75
  76 string PkgConfigGenerator::Worker::prefixify(const FS::Path &path, const FS::Path &prefix)
  77 {
  78         if(FS::descendant_depth(path, prefix)>=0)
  79         {
  80                 FS::Path rel_path = FS::relative(path, prefix);
  81                 return "${prefix}"+rel_path.str().substr(1);
  82         }
  83         else
  84                 return path.str();
  85 }