Recognize and use the common sysroot in newer Android NDKs

[builder.git] / source / androidcompiler.cpp

diff --git a/source/androidcompiler.cpp b/source/androidcompiler.cpp
index 490c198196c9764af402a91235b782d258eb12af..cdd98af34f5095dd853521535091e5b37e0fc4e8 100644 (file)
--- a/source/androidcompiler.cpp
+++ b/source/androidcompiler.cpp
@@ -1,19 +1,40 @@
 #include <msp/fs/dir.h>
 #include <msp/fs/stat.h>
+#include <msp/fs/utils.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include "androidcompiler.h"
 #include "androidtools.h"
 #include "builder.h"
+#include "externaltask.h"
+#include "filetarget.h"
 
 using namespace std;
 using namespace Msp;
 
 AndroidCompiler::AndroidCompiler(Builder &b, const Architecture &a, const string &t, const AndroidNdk &n):
-       GnuCompiler(b, a, t, n.get_platform_sysroot()),
+       GnuCompiler(b, a, t),
        ndk(n)
 {
-       set_command((ndk.get_bin_dir()/command).str());
-       build_info.incpath.insert(build_info.incpath.end(), system_path.begin(), system_path.end());
+       if(ndk.get_root_dir().empty())
+               problems.push_back("Android NDK not found");
+       else if(ndk.get_bin_dir().empty())
+               problems.push_back("Android NDK toolchain not found");
+       else
+               set_command((ndk.get_bin_dir()/command).str());
+
+       if(ndk.get_platform_sysroot().empty())
+               problems.push_back("Android platform not found");
+       else if(!ndk.get_common_sysroot().empty())
+       {
+               build_info.sysroot = ndk.get_common_sysroot();
+               /* The common sysroot has asm headers in arch directories and the
+               compiler doesn't pick them up automatically */
+               build_info.incpath.push_back(ndk.get_common_sysroot()/"usr/include"/architecture->get_cross_prefix());
+       }
+       else
+               build_info.sysroot = ndk.get_platform_sysroot();
+
        if(tag=="CXX")
                build_info.libs.push_back("gnustl_static");
 }
@@ -23,7 +44,37 @@ void AndroidCompiler::do_prepare()
        GnuCompiler::do_prepare();
        if(executable && tag=="CXX")
        {
-               FS::Path libstdcxx_path = ndk.get_root_dir()/"sources"/"cxx-stl"/"gnu-libstdc++"/version;
+               ExternalTask::Arguments argv;
+               argv.push_back(executable->get_path().str());
+               argv.push_back("-dumpversion");
+
+               builder.get_logger().log("auxcommands", format("Running %s", join(argv.begin(), argv.end())));
+               string version;
+               try
+               {
+                       version = strip(ExternalTask::run_and_capture_output(argv));
+                       builder.get_logger().log("tools", format("%s version is %s", FS::basename(executable->get_path()), version));
+               }
+               catch(const runtime_error &)
+               { }
+
+               FS::Path libstdcxx_dir = ndk.get_root_dir()/"sources"/"cxx-stl"/"gnu-libstdc++";
+               FS::Path libstdcxx_path;
+               while(1)
+               {
+                       libstdcxx_path = libstdcxx_dir/version;
+                       if(FS::exists(libstdcxx_path))
+                               break;
+
+                       string::size_type dot = version.rfind('.');
+                       if(dot==string::npos)
+                       {
+                               problems.push_back("C++ standard library not found");
+                               return;
+                       }
+
+                       version = version.substr(0, dot);
+               }
 
                FS::Path public_dir = libstdcxx_path/"include";
                system_path.push_back(public_dir);