source/gnucompiler.cpp

   1 #include <msp/core/maputils.h>
   2 #include <msp/fs/dir.h>
   3 #include <msp/fs/stat.h>
   4 #include <msp/fs/utils.h>
   5 #include <msp/strings/format.h>
   6 #include <msp/strings/utils.h>
   7 #include "architecture.h"
   8 #include "builder.h"
   9 #include "component.h"
  10 #include "csourcefile.h"
  11 #include "externaltask.h"
  12 #include "gnucompiler.h"
  13 #include "objcsourcefile.h"
  14 #include "objectfile.h"
  15 #include "sourcefile.h"
  16 #include "sourcepackage.h"
  17
  18 using namespace std;
  19 using namespace Msp;
  20
  21 namespace {
  22
  23 const char *cpus[] =
  24 {
  25         "athlonxp", "athlon-xp",
  26         "armv7a",   "armv7-a",
  27         0
  28 };
  29
  30 }
  31
  32 GnuCompiler::GnuCompiler(Builder &b, const Architecture &a, const string &t, const FS::Path &sysroot):
  33         Tool(b, a, t)
  34 {
  35         if(tag=="CC")
  36         {
  37                 input_suffixes.push_back(".c");
  38                 aux_suffixes.push_back(".h");
  39         }
  40         else if(tag=="CXX")
  41         {
  42                 input_suffixes.push_back(".cpp");
  43                 input_suffixes.push_back(".cc");
  44                 aux_suffixes.push_back(".hpp");
  45         }
  46         else if(tag=="OBJC")
  47         {
  48                 input_suffixes.push_back(".m");
  49                 build_info.libs.push_back("objc");
  50         }
  51         else
  52                 throw invalid_argument("GnuCompiler::GnuCompiler");
  53
  54         set_command((tag=="CXX" ? "g++" : "gcc"), true);
  55
  56         if(!sysroot.empty())
  57         {
  58                 build_info.sysroot = sysroot;
  59                 system_path.push_back(sysroot/"usr/include");
  60         }
  61         else if(architecture->is_native())
  62                 system_path.push_back("/usr/include");
  63         else
  64                 system_path.push_back("/usr/"+architecture->get_cross_prefix()+"/include");
  65 }
  66
  67 Target *GnuCompiler::create_source(const Component &comp, const FS::Path &path) const
  68 {
  69         if(tag=="OBJC")
  70                 return new ObjCSourceFile(builder, comp, path);
  71         else
  72                 return new CSourceFile(builder, comp, path);
  73 }
  74
  75 Target *GnuCompiler::create_source(const FS::Path &path) const
  76 {
  77         if(tag=="OBJC")
  78                 return new ObjCSourceFile(builder, path);
  79         else
  80                 return new CSourceFile(builder, path);
  81 }
  82
  83 Target *GnuCompiler::create_target(const list<Target *> &sources, const string &)
  84 {
  85         if(sources.size()!=1)
  86                 throw invalid_argument("GnuCCompiler::create_target");
  87         SourceFile &source = dynamic_cast<SourceFile &>(*sources.front());
  88         ObjectFile *obj = new ObjectFile(builder, *source.get_component(), source);
  89         obj->set_tool(*this);
  90         return obj;
  91 }
  92
  93 string GnuCompiler::create_build_signature(const BuildInfo &binfo) const
  94 {
  95         string result = FS::basename(executable->get_path());
  96         if(!architecture->get_cpu().empty())
  97         {
  98                 result += ",m";
  99                 result += architecture->get_cpu();
 100         }
 101         result += ',';
 102         if(binfo.debug)
 103                 result += 'g';
 104         if(binfo.optimize)
 105         {
 106                 result += 'O';
 107                 result += (binfo.optimize>0 ? '0'+binfo.optimize : 's');
 108         }
 109         return result;
 110 }
 111
 112 void GnuCompiler::do_prepare()
 113 {
 114         executable = builder.get_vfs().find_binary(command);
 115         if(executable)
 116         {
 117                 ExternalTask::Arguments argv;
 118                 argv.push_back(executable->get_path().str());
 119                 argv.push_back("-dumpversion");
 120
 121                 builder.get_logger().log("auxcommands", format("Running %s", join(argv.begin(), argv.end())));
 122                 try
 123                 {
 124                         version = strip(ExternalTask::run_and_capture_output(argv));
 125                         builder.get_logger().log("tools", format("%s version is %s", FS::basename(executable->get_path()), version));
 126
 127                         if(tag=="CXX")
 128                         {
 129                                 const FS::Path &sysroot = build_info.sysroot;
 130                                 FS::Path cxx_path = sysroot/"usr"/"include"/"c++"/version;
 131                                 if(FS::is_dir(cxx_path))
 132                                         system_path.push_back(cxx_path);
 133                         }
 134                 }
 135                 catch(const runtime_error &)
 136                 { }
 137         }
 138 }
 139
 140 Task *GnuCompiler::run(const Target &target) const
 141 {
 142         const ObjectFile &object = dynamic_cast<const ObjectFile &>(target);
 143
 144         ExternalTask::Arguments argv;
 145         argv.push_back(executable->get_path().str());
 146         argv.push_back("-c");
 147
 148         BuildInfo binfo;
 149         target.collect_build_info(binfo);
 150
 151         string tag_for_std = (tag=="OBJC" ? "CC" : tag);
 152         if(binfo.standards.count(tag_for_std))
 153                 argv.push_back("-std="+get_item(binfo.standards, tag_for_std));
 154         if(tag=="OBJC" && binfo.standards.count(tag))
 155                 argv.push_back("-fobjc-std="+get_item(binfo.standards, tag));
 156
 157         if(binfo.warning_level>=1)
 158         {
 159                 argv.push_back("-Wall");
 160                 if(binfo.warning_level>=2)
 161                 {
 162                         argv.push_back("-Wextra");
 163                         argv.push_back("-Wundef");
 164                 }
 165                 if(binfo.warning_level>=3)
 166                 {
 167                         argv.push_back("-pedantic");
 168                         argv.push_back("-Wno-long-long");
 169                         argv.push_back("-Wshadow");
 170                         if(tag=="CC")
 171                         {
 172                                 argv.push_back("-Wc++-compat");
 173                                 argv.push_back("-Wstrict-prototypes");
 174                         }
 175                 }
 176                 if(binfo.warning_level>=4)
 177                 {
 178                         // Some truly paranoid warnings
 179                         argv.push_back("-Wstrict-overflow=4");
 180                         argv.push_back("-Wfloat-equal");
 181                         argv.push_back("-Wconversion");
 182                         argv.push_back("-Wwrite-strings");
 183                         argv.push_back("-Winline");
 184                 }
 185                 if(binfo.fatal_warnings)
 186                 {
 187                         argv.push_back("-Werror");
 188                         argv.push_back("-Wno-error=deprecated-declarations");
 189                 }
 190         }
 191
 192         const FS::Path &sysroot = binfo.sysroot;
 193         if(!sysroot.empty())
 194                 argv.push_back("--sysroot="+sysroot.str());
 195         for(BuildInfo::PathList::const_iterator i=binfo.local_incpath.begin(); i!=binfo.local_incpath.end(); ++i)
 196         {
 197                 argv.push_back("-iquote");
 198                 argv.push_back(i->str());
 199         }
 200         for(BuildInfo::PathList::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
 201                 argv.push_back("-I"+i->str());
 202
 203         for(BuildInfo::DefineMap::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
 204         {
 205                 if(i->second.empty())
 206                         argv.push_back(format("-D%s", i->first));
 207                 else
 208                         argv.push_back(format("-D%s=%s", i->first, i->second));
 209         }
 210
 211         if(binfo.debug)
 212                 argv.push_back("-ggdb");
 213         if(binfo.optimize)
 214         {
 215                 if(binfo.optimize<0)
 216                         argv.push_back("-Os");
 217                 else
 218                         argv.push_back(format("-O%d", binfo.optimize));
 219         }
 220         if(binfo.threads && architecture->get_system()!="windows" && architecture->get_system()!="darwin")
 221                 argv.push_back("-pthread");
 222         if(object.is_used_in_shared_library() && architecture->get_system()!="windows")
 223                 argv.push_back("-fPIC");
 224
 225         const Architecture &native_arch = builder.get_native_arch();
 226         if(architecture->is_native() && architecture->get_bits()!=native_arch.get_bits())
 227                 argv.push_back(format("-m%d", architecture->get_bits()));
 228
 229         string cpu = architecture->get_cpu();
 230         if(!cpu.empty())
 231         {
 232                 for(unsigned i=0; cpus[i]; i+=2)
 233                         if(cpu==cpus[i])
 234                         {
 235                                 cpu = cpus[i+1];
 236                                 break;
 237                         }
 238                 argv.push_back("-march="+cpu);
 239         }
 240
 241         if(!architecture->get_fpu().empty())
 242         {
 243                 if(architecture->get_type()=="x86")
 244                 {
 245                         argv.push_back("-mfpmath="+architecture->get_fpu());
 246                         if(architecture->get_fpu()=="sse")
 247                                 argv.push_back("-msse2");
 248                 }
 249                 else if(architecture->get_type()=="arm")
 250                 {
 251                         argv.push_back("-mfpu="+architecture->get_fpu());
 252                         argv.push_back("-mfloat-abi=softfp");
 253                 }
 254         }
 255
 256         FS::Path obj_path = object.get_path();
 257         FS::Path src_path = object.get_source().get_path();
 258         FS::Path work_dir = object.get_component()->get_package().get_source_directory();
 259
 260         argv.push_back("-o");
 261         argv.push_back(relative(obj_path, work_dir).str());
 262         argv.push_back(relative(src_path, work_dir).str());
 263
 264         return new ExternalTask(argv, work_dir);
 265 }