fix find package warnings

Author: acxz

.gitignore

@@ -9,8 +9,8 @@ CMakeCache.txt
 !Findhpipm.cmake
 !FindCppAD.cmake
 !FindCppADCG.cmake
-!Findllvm.cmake
-!Findclang.cmake
+!FindLLVM.cmake
+!FindClang.cmake
 !ct_core/cmake/ct_coreConfig.cmake
 !ct_optcon/cmake/ct_optconConfig.cmake
 !ct_rbd/cmake/ct_rbdConfig.cmake

ct_core/CMakeLists.txt

@@ -21,8 +21,8 @@ find_package(Eigen3 REQUIRED)
 find_package(Boost COMPONENTS REQUIRED)
 
 ## find and include optional dependencies
-find_package(llvm QUIET)
-find_package(clang QUIET)
+find_package(LLVM QUIET)
+find_package(Clang QUIET)
 if(LLVM_FOUND AND CLANG_FOUND)
     message(STATUS "Found LLVM/CLANG version " ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR})
     set (LLVM ON)

ct_core/cmake/Findclang.cmake ct_core/cmake/FindClang.cmake

@@ -44,8 +44,8 @@ FIND_PATH(CLANG_INCLUDE_DIRS clang/Basic/Version.h HINTS ${LLVM_INCLUDE_DIRS})
 INCLUDE(FindPackageHandleStandardArgs)
 # handle the QUIETLY and REQUIRED arguments and set CLANG_FOUND to TRUE
 # if all listed variables are TRUE
-find_package_handle_standard_args(CLANG  DEFAULT_MSG
+find_package_handle_standard_args(Clang  DEFAULT_MSG
                                   CLANG_INCLUDE_DIRS
                                   CLANG_LIBS)
 
-MARK_AS_ADVANCED(CLANG_INCLUDE_DIRS CLANG_LIBS)
+MARK_AS_ADVANCED(CLANG_INCLUDE_DIRS CLANG_LIBS)

ct_core/cmake/FindCppADCG.cmake

@@ -38,7 +38,7 @@ ELSE()
     INCLUDE(FindPackageHandleStandardArgs)
     # handle the QUIETLY and REQUIRED arguments and set CPPADCG_FOUND to TRUE
     # if all listed variables are TRUE
-    find_package_handle_standard_args(CppAD  DEFAULT_MSG
+    find_package_handle_standard_args(CppADCG  DEFAULT_MSG
                                       CPPADCG_INCLUDE_DIRS)
 
     MARK_AS_ADVANCED(CPPADCG_INCLUDE_DIRS CPPADCG_LIBRARIES)