[PATCH] D46345: [Support] Support building LLVM for Fuchsia

[Petr Hosek via Phabricator via llvm-commits]

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

These are necessary changes to support building LLVM for Fuchsia.
While these are not sufficient to run LLVM on Fuchsia, they are still
useful when cross-compiling LLVM libraries and runtimes for Fuchsia.


Repository:
  rL LLVM

https://reviews.llvm.org/D46345

Files:
  llvm/cmake/modules/HandleLLVMOptions.cmake
  llvm/lib/Support/Unix/Path.inc


Index: llvm/lib/Support/Unix/Path.inc
===================================================================
--- llvm/lib/Support/Unix/Path.inc
+++ llvm/lib/Support/Unix/Path.inc
@@ -365,6 +365,8 @@
 #elif defined(__CYGWIN__)
   // Cygwin doesn't expose this information; would need to use Win32 API.
   return false;
+#elif defined(__Fuchsia__)
+  return true;
 #elif defined(__sun)
   // statvfs::f_basetype contains a null-terminated FSType name of the mounted target
   StringRef fstype(Vfs.f_basetype);
Index: llvm/cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- llvm/cmake/modules/HandleLLVMOptions.cmake
+++ llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -115,17 +115,17 @@
     set(LLVM_ON_UNIX 0)
   endif(CYGWIN)
 else(WIN32)
-  if(UNIX)
+  if(FUCHSIA OR UNIX)
     set(LLVM_ON_WIN32 0)
     set(LLVM_ON_UNIX 1)
     if(APPLE OR ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
       set(LLVM_HAVE_LINK_VERSION_SCRIPT 0)
     else()
       set(LLVM_HAVE_LINK_VERSION_SCRIPT 1)
     endif()
-  else(UNIX)
+  else(FUCHSIA OR UNIX)
     MESSAGE(SEND_ERROR "Unable to determine platform")
-  endif(UNIX)
+  endif(FUCHSIA OR UNIX)
 endif(WIN32)
 
 set(EXEEXT ${CMAKE_EXECUTABLE_SUFFIX})


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