plugins/builtin/pkgconfiggenerator.cpp

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