Refactor version discovery into the base GnuCompiler class

[builder.git] / source / gnucompiler.cpp

diff --git a/source/gnucompiler.cpp b/source/gnucompiler.cpp
index da579ba5d0c132caf0b7c09d17e87bd3281e762e..bff5f8cd145106520005052184d04da274e4ae90 100644 (file)
--- a/source/gnucompiler.cpp
+++ b/source/gnucompiler.cpp
@@ -1,6 +1,7 @@
 #include <msp/fs/dir.h>
 #include <msp/fs/utils.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include "architecture.h"
 #include "builder.h"
 #include "component.h"
@@ -51,6 +52,26 @@ string GnuCompiler::create_build_signature(const BuildInfo &binfo) const
        return result;
 }
 
+void GnuCompiler::do_prepare()
+{
+       executable = builder.get_vfs().find_binary(command);
+       if(executable)
+       {
+               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())));
+               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 &)
+               { }
+       }
+}
+
 Task *GnuCompiler::run(const Target &target) const
 {
        const ObjectFile &object = dynamic_cast<const ObjectFile &>(target);