From: Petr Hosek <phosek@chromium.org>
Date: Wed, 2 Aug 2017 01:18:02 +0000 (+0000)
Subject: [Driver] Disable static C++ library support on Fuchsia
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bbc1a64188f08e12090dd81628c5b869316c0ff5;p=clang

[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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@309778 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/cmake/caches/Fuchsia-stage2.cmake b/cmake/caches/Fuchsia-stage2.cmake
index 9707996858..21c3e5ab90 100644
--- a/cmake/caches/Fuchsia-stage2.cmake
+++ b/cmake/caches/Fuchsia-stage2.cmake
@@ -31,6 +31,7 @@ foreach(target x86_64;aarch64)
   set(BUILTINS_${target}-fuchsia_CMAKE_SYSROOT ${FUCHSIA_${target}_SYSROOT} CACHE PATH "")
   set(BUILTINS_${target}-fuchsia_CMAKE_SYSTEM_NAME Fuchsia CACHE STRING "")
 endforeach()
+
 if(NOT APPLE)
   list(APPEND LLVM_BUILTIN_TARGETS "default")
 endif()
@@ -45,8 +46,10 @@ foreach(target x86_64;aarch64)
   set(RUNTIMES_${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.
diff --git a/lib/Driver/ToolChains/Fuchsia.cpp b/lib/Driver/ToolChains/Fuchsia.cpp
index b87d9f0be7..bcfd1db040 100644
--- a/lib/Driver/ToolChains/Fuchsia.cpp
+++ b/lib/Driver/ToolChains/Fuchsia.cpp
@@ -107,15 +107,8 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA,
       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");
     }
 
diff --git a/test/Driver/fuchsia.cpp b/test/Driver/fuchsia.cpp
index 20299c3426..ab0a901dac 100644
--- a/test/Driver/fuchsia.cpp
+++ b/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"