Commit bd3e74c7 authored by Nathan Lanza's avatar Nathan Lanza
Browse files

Only build lldb-tblgen if it's not a current target 

Summary:
When doing standalone builds, you could potentially be building against
an llvm which also built lldb. If this were the case, you'd be
attempting to build this target twice.

Reviewers: xiaobai

Subscribers: mgorny

Differential Revision: https://reviews.llvm.org/D64847

llvm-svn: 366394
parent 9cdd2152

lldb/utils/TableGen/CMakeLists.txt

+13 −7
Original line number Diff line number Diff line 
# tablegen targets get exported via llvm for LLVMConfig.cmake. So standalone

# builds of lldb can potentially import this via LLVMConfig and also attempt to

# build it in tree. So only build it if it doesn't exist.

if (TARGET lldb-tblgen)

  set(LLDB_TABLEGEN_EXE $<TARGET_FILE:lldb-tblgen> CACHE STRING "")

else()

  set(LLVM_LINK_COMPONENTS Support)



  add_tablegen(lldb-tblgen LLDB
@@ -5,4 +11,4 @@ add_tablegen(lldb-tblgen LLDB 
    LLDBTableGen.cpp

    )

  set_target_properties(lldb-tblgen PROPERTIES FOLDER "LLDB tablegenning")

endif()