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Merge changes from topic "mingw-clang"

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* changes:
  Use clang for windows host modules
  Use -static-libgcc for Windows
This commit is contained in:
Treehugger Robot
2018-06-26 19:47:53 +00:00
committed by Gerrit Code Review
parent 95894d8ffe 8a852e7694
commit 9d951a10f3
2 changed files with 17 additions and 2 deletions
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15
cc/config/x86_windows_host.go
View File

@@ -45,7 +45,6 @@ var (
windowsIncludeFlags = []string{
"-isystem ${WindowsGccRoot}/${WindowsGccTriple}/include",
"-isystem ${WindowsGccRoot}/lib/gcc/${WindowsGccTriple}/4.8.3/include",
}
windowsClangCppflags = []string{
@@ -79,22 +78,34 @@ var (
"-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 *toolchainWindowsX8664) WindresFlags() string {
}
func (t *toolchainWindows) ClangSupported() bool {
return false
return true
}
func (t *toolchainWindowsX86) ClangTriple() string {

4
cc/linker.go
View File

@@ -246,6 +246,10 @@ func (linker *baseLinker) useClangLld(ctx ModuleContext) bool {
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)
}