Merge \"Add more allowed ldlibs for darwin and windows\"

am: ff3a2e4d55

Change-Id: I3a8417f38f381e1bd101ee66a13e5d0333855996

cc/x86_darwin_host.go

@@ -81,6 +81,7 @@ var (
 		"c",
 		"dl",
 		"m",
+		"ncurses",
 		"pthread",
 		"z",
 	}, "-l")

cc/x86_windows_host.go

@@ -76,6 +76,16 @@ var (
 		"-m64",
 		"-L${windowsGccRoot}/${windowsGccTriple}/lib64",
 	}
+
+	windowsAvailableLibraries = addPrefix([]string{
+		"gdi32",
+		"imagehlp",
+		"ole32",
+		"psapi",
+		"userenv",
+		"uuid",
+		"ws2_32",
+	}, "-l")
 )
 
 const (
@@ -187,6 +197,10 @@ func (t *toolchainWindows) ExecutableSuffix() string {
 	return ".exe"
 }
 
+func (t *toolchainWindows) AvailableLibraries() []string {
+	return windowsAvailableLibraries
+}
+
 var toolchainWindowsX86Singleton Toolchain = &toolchainWindowsX86{}
 var toolchainWindowsX8664Singleton Toolchain = &toolchainWindowsX8664{}