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         builder.get_logger().log("files", format("Traversing %s", toolchains_dir.str()));
  41         list<string> toolchains = list_files(toolchains_dir);
  42
  43         string prefix = architecture.get_cross_prefix()+"-";
  44         string use_toolchain;
  45         unsigned latest_version = 0;
  46         for(list<string>::const_iterator i=toolchains.begin(); i!=toolchains.end(); ++i)
  47                 if(!i->compare(0, prefix.size(), prefix))
  48                 {
  49                         string version_str = i->substr(prefix.size());
  50                         string compiler = "gcc";
  51                         if(!isdigit(version_str[0]))
  52                         {
  53                                 unsigned j;
  54                                 for(j=1; (j<version_str.size() && !isdigit(version_str[j])); ++j) ;
  55                                 compiler = version_str.substr(0, j);
  56                                 version_str = version_str.substr(j);
  57                         }
  58
  59                         if(compiler!="gcc")
  60                                 continue;
  61
  62                         vector<string> version_parts = split(version_str, '.');
  63                         unsigned version = (lexical_cast<unsigned>(version_parts[0])<<8);
  64                         if(version_parts.size()>1)
  65                                 version += lexical_cast<unsigned>(version_parts[1]);
  66
  67                         if(version>latest_version)
  68                         {
  69                                 use_toolchain = *i;
  70                                 latest_version = version;
  71                         }
  72                 }
  73
  74         if(use_toolchain.empty())
  75                 throw runtime_error("No applicable toolchains found");
  76
  77         const Architecture &native_arch = builder.get_native_arch();
  78
  79         FS::Path tc_archs_dir = toolchains_dir/use_toolchain/"prebuilt";
  80         builder.get_logger().log("files", format("Traversing %s", tc_archs_dir.str()));
  81         string use_arch = native_arch.best_match(list_files(tc_archs_dir));
  82
  83         if(use_arch.empty())
  84                 throw runtime_error("No matching toolchain found");
  85
  86         bin_dir = toolchains_dir/use_toolchain/"prebuilt"/use_arch/"bin";
  87         builder.get_logger().log("tools", format("Android toolchain binaries are in %s", bin_dir.str()));
  88 }
  89
  90 void AndroidNdk::find_platform_dir()
  91 {
  92         FS::Path platforms_dir = ndk_root/"platforms";
  93         builder.get_logger().log("files", format("Traversing %s", platforms_dir.str()));
  94         list<string> platforms = list_files(platforms_dir);
  95
  96         string use_platform;
  97         unsigned highest_level = 0;
  98         for(list<string>::const_iterator i=platforms.begin(); i!=platforms.end(); ++i)
  99                 if(!i->compare(0, 8, "android-"))
 100                 {
 101                         unsigned level = lexical_cast<unsigned>(i->substr(8));
 102                         if(level>highest_level)
 103                         {
 104                                 use_platform = *i;
 105                                 highest_level = level;
 106                         }
 107                 }
 108
 109         if(use_platform.empty())
 110                 throw runtime_error("No applicable platforms found");
 111
 112         FS::Path platform_archs_dir = platforms_dir/use_platform;
 113         builder.get_logger().log("files", format("Traversing %s", platform_archs_dir.str()));
 114         list<string> platform_archs = list_filtered(platform_archs_dir, "^arch-");
 115         for(list<string>::iterator i=platform_archs.begin(); i!=platform_archs.end(); ++i)
 116                 i->erase(0, 5);
 117         string use_arch = architecture.best_match(platform_archs);
 118
 119         if(use_arch.empty())
 120                 throw runtime_error("No matching platform found");
 121
 122         platform_sysroot = platforms_dir/use_platform/use_arch;
 123         builder.get_logger().log("tools", format("Android platform sysroot is %s", platform_sysroot.str()));
 124 }