source/androidtools.cpp

   1 #include <cstdlib>
   2 #include <msp/fs/dir.h>
   3 #include <msp/strings/lexicalcast.h>
   4 #include <msp/strings/utils.h>
   5 #include "androidccompiler.h"
   6 #include "androidcxxcompiler.h"
   7 #include "androidlinker.h"
   8 #include "androidtools.h"
   9 #include "architecture.h"
  10 #include "builder.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14
  15 AndroidTools::AndroidTools(Builder &builder, const Architecture &arch):
  16         ndk(builder, arch)
  17 {
  18         add_tool(new AndroidCCompiler(builder, arch, ndk));
  19         add_tool(new AndroidCxxCompiler(builder, arch, ndk));
  20         add_tool(new AndroidLinker(builder, arch, ndk));
  21 }
  22
  23
  24 AndroidNdk::AndroidNdk(Builder &b, const Architecture &a):
  25         builder(b),
  26         architecture(a)
  27 {
  28         if(const char *env_ndk_root = getenv("ANDROID_NDK_ROOT"))
  29                 ndk_root = env_ndk_root;
  30         else
  31                 throw runtime_error("ANDROID_NDK_ROOT must be set");
  32
  33         find_toolchain_dir();
  34         find_platform_dir();
  35 }
  36
  37 void AndroidNdk::find_toolchain_dir()
  38 {
  39         FS::Path toolchains_dir = ndk_root/"toolchains";
  40         list<string> toolchains = list_files(toolchains_dir);
  41
  42         string prefix = architecture.get_cross_prefix()+"-";
  43         string use_toolchain;
  44         unsigned latest_version = 0;
  45         for(list<string>::const_iterator i=toolchains.begin(); i!=toolchains.end(); ++i)
  46                 if(!i->compare(0, prefix.size(), prefix))
  47                 {
  48                         string version_str = i->substr(prefix.size());
  49                         string compiler = "gcc";
  50                         if(!isdigit(version_str[0]))
  51                         {
  52                                 unsigned j;
  53                                 for(j=1; (j<version_str.size() && !isdigit(version_str[j])); ++j) ;
  54                                 compiler = version_str.substr(0, j);
  55                                 version_str = version_str.substr(j);
  56                         }
  57
  58                         if(compiler!="gcc")
  59                                 continue;
  60
  61                         vector<string> version_parts = split(version_str, '.');
  62                         unsigned version = (lexical_cast<unsigned>(version_parts[0])<<8);
  63                         if(version_parts.size()>1)
  64                                 version += lexical_cast<unsigned>(version_parts[1]);
  65
  66                         if(version>latest_version)
  67                         {
  68                                 use_toolchain = *i;
  69                                 latest_version = version;
  70                         }
  71                 }
  72
  73         if(use_toolchain.empty())
  74                 throw runtime_error("No applicable toolchains found");
  75
  76         const Architecture &native_arch = builder.get_native_arch();
  77
  78         FS::Path tc_archs_dir = toolchains_dir/use_toolchain/"prebuilt";
  79         string use_arch = native_arch.best_match(list_files(tc_archs_dir));
  80
  81         if(use_arch.empty())
  82                 throw runtime_error("No matching toolchain found");
  83
  84         bin_dir = toolchains_dir/use_toolchain/"prebuilt"/use_arch/"bin";
  85 }
  86
  87 void AndroidNdk::find_platform_dir()
  88 {
  89         FS::Path platforms_dir = ndk_root/"platforms";
  90         list<string> platforms = list_files(platforms_dir);
  91
  92         string use_platform;
  93         unsigned highest_level = 0;
  94         for(list<string>::const_iterator i=platforms.begin(); i!=platforms.end(); ++i)
  95                 if(!i->compare(0, 8, "android-"))
  96                 {
  97                         unsigned level = lexical_cast<unsigned>(i->substr(8));
  98                         if(level>highest_level)
  99                         {
 100                                 use_platform = *i;
 101                                 highest_level = level;
 102                         }
 103                 }
 104
 105         if(use_platform.empty())
 106                 throw runtime_error("No applicable platforms found");
 107
 108         list<string> platform_archs = list_filtered(platforms_dir/use_platform, "^arch-");
 109         for(list<string>::iterator i=platform_archs.begin(); i!=platform_archs.end(); ++i)
 110                 i->erase(0, 5);
 111         string use_arch = architecture.best_match(platform_archs);
 112
 113         if(use_arch.empty())
 114                 throw runtime_error("No matching platform found");
 115
 116         platform_sysroot = platforms_dir/use_platform/use_arch;
 117 }