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 Target *PkgConfigGenerator::create_target(const vector<Target *> &, const string &)
  12 {
  13         throw logic_error("Not implemented");
  14 }
  15
  16 Task *PkgConfigGenerator::run(const Target &target) const
  17 {
  18         const PkgConfigFile &pkgc = dynamic_cast<const PkgConfigFile &>(target);
  19         Worker *worker = new Worker(pkgc);
  20         return new InternalTask(worker);
  21 }
  22
  23
  24 void PkgConfigGenerator::Worker::main()
  25 {
  26         Builder &builder = target.get_package()->get_builder();
  27         const SourcePackage &spkg = *target.get_package();
  28
  29         IO::BufferedFile out(target.get_path().str(), IO::M_WRITE);
  30         IO::print(out, "prefix=%s\n", builder.get_prefix().str());
  31         IO::print(out, "source=%s\n\n", spkg.get_source_directory());
  32
  33         IO::print(out, "Name: %s\n", spkg.get_label());
  34         IO::print(out, "Description: %s\n", spkg.get_description());
  35         IO::print(out, "Version: %s\n", spkg.get_version());
  36
  37         IO::print(out, "Requires:");
  38         for(const Package *r: spkg.get_required_packages())
  39                 if(r->uses_pkgconfig())
  40                         IO::print(out, " %s", r->get_name());
  41         out.put('\n');
  42
  43         const BuildInfo &binfo = spkg.get_exported_build_info();
  44         IO::print(out, "Libs:");
  45         for(const FS::Path &p: binfo.libpath)
  46                 IO::print(out, " -L%s", prefixify(p, builder.get_prefix()));
  47         for(const string &l: binfo.libs)
  48                 IO::print(out, " -l%s", l);
  49         if(binfo.threads)
  50                 out.write("-pthread");
  51         out.put('\n');
  52
  53         IO::print(out, "Cflags:");
  54         for(const FS::Path &p: binfo.incpath)
  55                 IO::print(out, " -I%s", prefixify(p, builder.get_prefix()));
  56         for(const auto &kvp: binfo.defines)
  57                 if(kvp.second.empty())
  58                         IO::print(out, " -D%s", kvp.first);
  59                 else
  60                         IO::print(out, " -D%s=%s", kvp.first, kvp.second);
  61         out.put('\n');
  62
  63         status = Task::SUCCESS;
  64 }
  65
  66 string PkgConfigGenerator::Worker::prefixify(const FS::Path &path, const FS::Path &prefix)
  67 {
  68         if(FS::descendant_depth(path, prefix)>=0)
  69         {
  70                 FS::Path rel_path = FS::relative(path, prefix);
  71                 return "${prefix}"+rel_path.str().substr(1);
  72         }
  73         else
  74                 return path.str();
  75 }