[PATCH] D54463: [CMake] Support cross-compiling with Fuchsia toolchain build

[Petr Hosek via Phabricator via cfe-commits]

phosek created this revision.
phosek added reviewers: beanz, mcgrathr.
Herald added subscribers: cfe-commits, mgorny.

When second stage is being cross-compiled for a different platform
we need to build enough of first stage runtimes to get a working
compiler.


Repository:
  rC Clang

https://reviews.llvm.org/D54463

Files:
  clang/cmake/caches/Fuchsia.cmake


Index: clang/cmake/caches/Fuchsia.cmake
===================================================================
--- clang/cmake/caches/Fuchsia.cmake
+++ clang/cmake/caches/Fuchsia.cmake
@@ -1,6 +1,6 @@
 # This file sets up a CMakeCache for a Fuchsia toolchain build.
 
-set(LLVM_TARGETS_TO_BUILD Native CACHE STRING "")
+set(LLVM_TARGETS_TO_BUILD X86;ARM;AArch64 CACHE STRING "")
 
 set(PACKAGE_VENDOR Fuchsia CACHE STRING "")
 
@@ -57,6 +57,38 @@
   install-distribution-stripped
   clang CACHE STRING "")
 
+if(BOOTSTRAP_CMAKE_SYSTEM_NAME)
+  string(FIND ${BOOTSTRAP_CMAKE_CXX_COMPILER_TARGET} "-" dash_index)
+  string(SUBSTRING ${BOOTSTRAP_CMAKE_CXX_COMPILER_TARGET} 0 ${dash_index} target)
+  if(STAGE2_LINUX_${target}_SYSROOT)
+    set(BUILTINS_${target}-linux-gnu_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
+    set(BUILTINS_${target}-linux-gnu_CMAKE_BUILD_TYPE Release CACHE STRING "")
+    set(BUILTINS_${target}-linux-gnu_CMAKE_SYSROOT ${STAGE2_LINUX_${target}_SYSROOT} CACHE STRING "")
+    set(LLVM_BUILTIN_TARGETS "${target}-linux-gnu" CACHE STRING "")
+
+    set(RUNTIMES_${target}-linux-gnu_CMAKE_SYSTEM_NAME Linux CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_CMAKE_BUILD_TYPE Release CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_CMAKE_SYSROOT ${STAGE2_LINUX_${target}_SYSROOT} CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_LLVM_ENABLE_ASSERTIONS ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_ENABLE_SHARED OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_USE_COMPILER_RT ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBUNWIND_INSTALL_LIBRARY OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_USE_COMPILER_RT ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_ENABLE_SHARED OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_USE_LLVM_UNWINDER ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_ENABLE_STATIC_UNWINDER ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXXABI_INSTALL_LIBRARY OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_USE_COMPILER_RT ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_ENABLE_SHARED OFF CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_ENABLE_STATIC_ABI_LIBRARY ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_LIBCXX_ABI_VERSION 2 CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_SANITIZER_CXX_ABI "libc++" CACHE STRING "")
+    set(RUNTIMES_${target}-linux-gnu_SANITIZER_CXX_ABI_INTREE ON CACHE BOOL "")
+    set(RUNTIMES_${target}-linux-gnu_COMPILER_RT_USE_BUILTINS_LIBRARY ON CACHE BOOL "")
+    set(LLVM_RUNTIME_TARGETS "${target}-linux-gnu" CACHE STRING "")
+  endif()
+endif()
+
 get_cmake_property(variableNames VARIABLES)
 foreach(variableName ${variableNames})
   if(variableName MATCHES "^STAGE2_")


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D54463.173809.patch
Type: text/x-patch
Size: 2857 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20181113/23129ac4/attachment.bin>