[llvm] r250025 - cmake: Avoid leading space in LLVM_DEFINITIONS.

[Pawel Bylica via llvm-commits]

Author: chfast
Date: Mon Oct 12 05:42:03 2015
New Revision: 250025

URL: http://llvm.org/viewvc/llvm-project?rev=250025&view=rev
Log:
cmake: Avoid leading space in LLVM_DEFINITIONS.

Summary: Unnecessary space at the beginning of LLVM_DEFINITIONS in cmake shared files can break projects that use the variable.

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D13432

Modified:
    llvm/trunk/cmake/modules/AddLLVMDefinitions.cmake

Modified: llvm/trunk/cmake/modules/AddLLVMDefinitions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/AddLLVMDefinitions.cmake?rev=250025&r1=250024&r2=250025&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/AddLLVMDefinitions.cmake (original)
+++ llvm/trunk/cmake/modules/AddLLVMDefinitions.cmake Mon Oct 12 05:42:03 2015
@@ -7,7 +7,11 @@
 macro(add_llvm_definitions)
   # We don't want no semicolons on LLVM_DEFINITIONS:
   foreach(arg ${ARGN})
-    set(LLVM_DEFINITIONS "${LLVM_DEFINITIONS} ${arg}")
+    if(DEFINED LLVM_DEFINITIONS)
+      set(LLVM_DEFINITIONS "${LLVM_DEFINITIONS} ${arg}")
+    else()
+      set(LLVM_DEFINITIONS ${arg})
+    endif()
   endforeach(arg)
   add_definitions( ${ARGN} )
 endmacro(add_llvm_definitions)