cmake: Make CMAKE_BUILD_TYPE check case-insensitive

Juergen pointed out that this variable is treated in a case
insensitive way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244516 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/CMakeLists.txt b/CMakeLists.txt
index adf852e2a44597d5028a835fa56ed34d37820b23..3d753afbeee8962f381bfc010ca133212b4eaca9 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,11 +7,6 @@ if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
   set(CMAKE_BUILD_TYPE "Debug")
 endif()
 
-if (CMAKE_BUILD_TYPE AND
-    NOT CMAKE_BUILD_TYPE MATCHES "^(Debug|Release|RelWithDebInfo|MinSizeRel)$")
-  message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
-endif()
-
 if(POLICY CMP0022)
   cmake_policy(SET CMP0022 NEW) # automatic when 2.8.12 is required
 endif()
@@ -157,6 +152,10 @@ endif()
 
 string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
 
+if (NOT uppercase_CMAKE_BUILD_TYPE MATCHES "^(DEBUG|RELEASE|RELWITHDEBINFO|MINSIZEREL)$")
+  message(FATAL_ERROR "Invalid value for CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
+endif()
+
 set(LLVM_LIBDIR_SUFFIX "" CACHE STRING "Define suffix of library directory name (32/64)" )
 
 # They are used as destination of target generators.