Delay locating tool executables until the tool is needed

[builder.git] / source / gnuarchiver.cpp

diff --git a/source/gnuarchiver.cpp b/source/gnuarchiver.cpp
index 3499204954593db5587280e5d1679b514f2e2215..7482b0d17caf004d66125f4a82c8c098d0bb2331 100644 (file)
--- a/source/gnuarchiver.cpp
+++ b/source/gnuarchiver.cpp
@@ -17,15 +17,10 @@ using namespace Msp;
 GnuArchiver::GnuArchiver(Builder &b, const Architecture &a):
        Tool(b, a, "AR")
 {
-       string command = "ar";
-       if(architecture->is_cross())
-               command = format("%s-%s", architecture->get_cross_prefix(), command);
-       executable = builder.get_vfs().find_binary(command);
-
        input_suffixes.push_back(".o");
 }
 
-Target *GnuArchiver::create_target(const list<Target *> &sources, const string &) const
+Target *GnuArchiver::create_target(const list<Target *> &sources, const string &)
 {
        if(sources.empty())
                throw invalid_argument("GnuArchiver::create_target");
@@ -45,6 +40,14 @@ Target *GnuArchiver::create_target(const list<Target *> &sources, const string &
        return lib;
 }
 
+void GnuArchiver::do_prepare()
+{
+       string command = "ar";
+       if(architecture->is_cross())
+               command = format("%s-%s", architecture->get_cross_prefix(), command);
+       executable = builder.get_vfs().find_binary(command);
+}
+
 Task *GnuArchiver::run(const Target &target) const
 {
        const StaticLibrary &lib = dynamic_cast<const StaticLibrary &>(target);