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 "internaltask.h"
   6 #include "pkgconfigfile.h"
   7 #include "pkgconfiggenerator.h"
   8
   9 using namespace std;
  10 using namespace Msp;
  11
  12 PkgConfigGenerator::PkgConfigGenerator(Builder &b):
  13         Tool(b, "PCG")
  14 {
  15         set_run_internal(_run);
  16 }
  17
  18 Target *PkgConfigGenerator::create_target(const vector<Target *> &, const string &)
  19 {
  20         throw logic_error("Not implemented");
  21 }
  22
  23 bool PkgConfigGenerator::_run(const PkgConfigFile &pkgc)
  24 {
  25         Builder &builder = pkgc.get_package()->get_builder();
  26         const SourcePackage &spkg = *pkgc.get_package();
  27
  28         IO::BufferedFile out(pkgc.get_path().str(), IO::M_WRITE);
  29         IO::print(out, "prefix=%s\n", builder.get_prefix().str());
  30         IO::print(out, "source=%s\n\n", spkg.get_source_directory());
  31
  32         IO::print(out, "Name: %s\n", spkg.get_label());
  33         IO::print(out, "Description: %s\n", spkg.get_description());
  34         IO::print(out, "Version: %s\n", spkg.get_version());
  35
  36         IO::print(out, "Requires:");
  37         for(const Package *r: spkg.get_required_packages())
  38                 if(r->uses_pkgconfig())
  39                         IO::print(out, " %s", r->get_name());
  40         out.put('\n');
  41
  42         const BuildInfo &binfo = spkg.get_exported_build_info();
  43         IO::print(out, "Libs:");
  44         for(const FS::Path &p: binfo.libpath)
  45                 IO::print(out, " -L%s", prefixify(p, builder.get_prefix()));
  46         for(const string &l: binfo.libs)
  47                 IO::print(out, " -l%s", l);
  48         if(binfo.threads)
  49                 out.write("-pthread");
  50         out.put('\n');
  51
  52         IO::print(out, "Cflags:");
  53         for(const FS::Path &p: binfo.incpath)
  54                 IO::print(out, " -I%s", prefixify(p, builder.get_prefix()));
  55         for(const auto &kvp: binfo.defines)
  56                 if(kvp.second.empty())
  57                         IO::print(out, " -D%s", kvp.first);
  58                 else
  59                         IO::print(out, " -D%s=%s", kvp.first, kvp.second);
  60         out.put('\n');
  61
  62         return true;
  63 }
  64
  65 string PkgConfigGenerator::prefixify(const FS::Path &path, const FS::Path &prefix)
  66 {
  67         if(FS::descendant_depth(path, prefix)>=0)
  68         {
  69                 FS::Path rel_path = FS::relative(path, prefix);
  70                 return "${prefix}"+rel_path.str().substr(1);
  71         }
  72         else
  73                 return path.str();
  74 }