commit c765035583487de0405f253962dbfd7338607e44
author Petr Hosek <phosek@chromium.org> Wed Aug 02 01:18:02 2017 +0000
committer Petr Hosek <phosek@chromium.org> Wed Aug 02 01:18:02 2017 +0000
tree 6d10fed110e22fc15883b35100cdad55046d273c
parent 15894f8dec88118cefddd29872f2a37a210fea9a

[Driver] Disable static C++ library support on Fuchsia

Don't support or build static C++ libraries for Fuchsia.

Differential Revision: https://reviews.llvm.org/D36202

llvm-svn: 309778

clang/cmake/caches/Fuchsia-stage2.cmake

diff --git a/clang/cmake/caches/Fuchsia-stage2.cmake b/clang/cmake/caches/Fuchsia-stage2.cmake
index 9707996..21c3e5a 100644
--- a/clang/cmake/caches/Fuchsia-stage2.cmake
+++ b/clang/cmake/caches/Fuchsia-stage2.cmake
@@ -31,6 +31,7 @@
   set(BUILTINS_${target}-fuchsia_CMAKE_SYSROOT ${FUCHSIA_${target}_SYSROOT} CACHE PATH "")
   set(BUILTINS_${target}-fuchsia_CMAKE_SYSTEM_NAME Fuchsia CACHE STRING "")
 endforeach()
+
 if(NOT APPLE)
   list(APPEND LLVM_BUILTIN_TARGETS "default")
 endif()
@@ -45,8 +46,10 @@
   set(RUNTIMES_${target}-fuchsia_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
   set(RUNTIMES_${target}-fuchsia_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
   set(RUNTIMES_${target}-fuchsia_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
+  set(RUNTIMES_${target}-fuchsia_LIBCXXABI_ENABLE_STATIC OFF CACHE BOOL "")
   set(RUNTIMES_${target}-fuchsia_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
   set(RUNTIMES_${target}-fuchsia_LIBCXX_ABI_VERSION 2 CACHE STRING "")
+  set(RUNTIMES_${target}-fuchsia_LIBCXX_ENABLE_STATIC OFF CACHE BOOL "")
 endforeach()
 
 # Setup toolchain.

clang/lib/Driver/ToolChains/Fuchsia.cpp

diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp
index b87d9f0..bcfd1db 100644
--- a/clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -107,15 +107,8 @@
       CmdArgs.push_back("-Bdynamic");
 
     if (D.CCCIsCXX()) {
-      if (ToolChain.ShouldLinkCXXStdlib(Args)) {
-        bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
-                                   !Args.hasArg(options::OPT_static);
-        if (OnlyLibstdcxxStatic)
-          CmdArgs.push_back("-Bstatic");
+      if (ToolChain.ShouldLinkCXXStdlib(Args))
         ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
-        if (OnlyLibstdcxxStatic)
-          CmdArgs.push_back("-Bdynamic");
-      }
       CmdArgs.push_back("-lm");
     }
 

clang/test/Driver/fuchsia.cpp

diff --git a/clang/test/Driver/fuchsia.cpp b/clang/test/Driver/fuchsia.cpp
index 20299c3..ab0a901 100644
--- a/clang/test/Driver/fuchsia.cpp
+++ b/clang/test/Driver/fuchsia.cpp
@@ -28,8 +28,8 @@
 
 // RUN: %clangxx %s -### --target=x86_64-unknown-fuchsia -static-libstdc++ 2>&1 \
 // RUN:     | FileCheck %s -check-prefix=CHECK-STATIC
-// CHECK-STATIC: "-Bstatic"
+// CHECK-STATIC-NOT: "-Bstatic"
 // CHECK-STATIC: "-lc++" "-lc++abi" "-lunwind"
-// CHECK-STATIC: "-Bdynamic"
+// CHECK-STATIC-NOT: "-Bdynamic"
 // CHECK-STATIC: "-lm"
 // CHECK-STATIC: "-lc"