[llvm] 55f0b33 - [cmake] Put check from D110016 behind (default-on) flag

[Nico Weber via llvm-commits]

Author: Nico Weber
Date: 2021-09-20T15:09:05-04:00
New Revision: 55f0b337087136554122f942fea951a357bc4a49

URL: https://github.com/llvm/llvm-project/commit/55f0b337087136554122f942fea951a357bc4a49
DIFF: https://github.com/llvm/llvm-project/commit/55f0b337087136554122f942fea951a357bc4a49.diff

LOG: [cmake] Put check from D110016 behind (default-on) flag

See discussion on https://reviews.llvm.org/D110016 for details.

Added: 
    

Modified: 
    llvm/CMakeLists.txt

Removed: 
    


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diff  --git a/llvm/CMakeLists.txt b/llvm/CMakeLists.txt
index 850728029ebe..cdf62cb54727 100644
--- a/llvm/CMakeLists.txt
+++ b/llvm/CMakeLists.txt
@@ -71,11 +71,15 @@ set(LLVM_EXTRA_PROJECTS "flang")
 set(LLVM_KNOWN_PROJECTS "${LLVM_ALL_PROJECTS};${LLVM_EXTRA_PROJECTS}")
 set(LLVM_ENABLE_PROJECTS "" CACHE STRING
 	"Semicolon-separated list of projects to build (${LLVM_KNOWN_PROJECTS}), or \"all\".")
-foreach(proj ${LLVM_ENABLE_PROJECTS})
-  if (NOT proj STREQUAL "all" AND NOT proj STREQUAL "llvm" AND NOT "${proj}" IN_LIST LLVM_KNOWN_PROJECTS)
-     MESSAGE(FATAL_ERROR "${proj} isn't a known project: ${LLVM_KNOWN_PROJECTS}")
-  endif()
-endforeach()
+
+option(LLVM_CHECK_ENABLED_PROJECTS "Whether to check LLVM_ENABLE_PROJECTS" ON)
+if (LLVM_CHECK_ENABLED_PROJECTS)
+  foreach(proj ${LLVM_ENABLE_PROJECTS})
+    if (NOT proj STREQUAL "all" AND NOT proj STREQUAL "llvm" AND NOT "${proj}" IN_LIST LLVM_KNOWN_PROJECTS)
+       MESSAGE(FATAL_ERROR "${proj} isn't a known project: ${LLVM_KNOWN_PROJECTS}")
+    endif()
+  endforeach()
+endif()
 
 if( LLVM_ENABLE_PROJECTS STREQUAL "all" )
   set( LLVM_ENABLE_PROJECTS ${LLVM_ALL_PROJECTS})