Merge changes from topic "mingw-clang"
* changes:
Use clang for windows host modules
Use -static-libgcc for Windows
diff --git a/cc/config/x86_windows_host.go b/cc/config/x86_windows_host.go
index 6fbff9f..4cb8fa4 100644
--- a/cc/config/x86_windows_host.go
+++ b/cc/config/x86_windows_host.go
@@ -45,7 +45,6 @@
windowsIncludeFlags = []string{
"-isystem ${WindowsGccRoot}/${WindowsGccTriple}/include",
- "-isystem ${WindowsGccRoot}/lib/gcc/${WindowsGccTriple}/4.8.3/include",
}
windowsClangCppflags = []string{
@@ -79,22 +78,34 @@
"-m32",
"-Wl,--large-address-aware",
"-L${WindowsGccRoot}/${WindowsGccTriple}/lib32",
+ "-static-libgcc",
}
windowsX86ClangLdflags = append(ClangFilterUnknownCflags(windowsX86Ldflags), []string{
+ "-B${WindowsGccRoot}/${WindowsGccTriple}/bin",
"-B${WindowsGccRoot}/lib/gcc/${WindowsGccTriple}/4.8.3/32",
"-L${WindowsGccRoot}/lib/gcc/${WindowsGccTriple}/4.8.3/32",
"-B${WindowsGccRoot}/${WindowsGccTriple}/lib32",
+ "-pthread",
+ // Bug: http://b/109759970 - WAR until issue with ld.bfd's
+ // inability to handle Clang-generated section names is fixed.
+ "-Wl,--allow-multiple-definition",
}...)
windowsX86ClangLldflags = ClangFilterUnknownLldflags(windowsX86ClangLdflags)
windowsX8664Ldflags = []string{
"-m64",
"-L${WindowsGccRoot}/${WindowsGccTriple}/lib64",
+ "-static-libgcc",
}
windowsX8664ClangLdflags = append(ClangFilterUnknownCflags(windowsX8664Ldflags), []string{
+ "-B${WindowsGccRoot}/${WindowsGccTriple}/bin",
"-B${WindowsGccRoot}/lib/gcc/${WindowsGccTriple}/4.8.3",
"-L${WindowsGccRoot}/lib/gcc/${WindowsGccTriple}/4.8.3",
"-B${WindowsGccRoot}/${WindowsGccTriple}/lib64",
+ "-pthread",
+ // Bug: http://b/109759970 - WAR until issue with ld.bfd's
+ // inability to handle Clang-generated section names is fixed.
+ "-Wl,--allow-multiple-definition",
}...)
windowsX8664ClangLldflags = ClangFilterUnknownLldflags(windowsX8664ClangLdflags)
@@ -220,7 +231,7 @@
}
func (t *toolchainWindows) ClangSupported() bool {
- return false
+ return true
}
func (t *toolchainWindowsX86) ClangTriple() string {
diff --git a/cc/linker.go b/cc/linker.go
index f6223a7..6bbf015 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -246,6 +246,10 @@
if ctx.Darwin() {
return false
}
+ // http://b/110800681 - lld cannot link Android's Windows modules yet.
+ if ctx.Windows() {
+ return false
+ }
if linker.Properties.Use_clang_lld != nil {
return Bool(linker.Properties.Use_clang_lld)
}