Hdf5 1 12 merge of CMake MATCHES (#648)

* OESS-98 fix tools test for plugins

* sync fork

* Merge of changes from dev

* Move problem option to bottom of the list until fixed

* HDFFV-11106 - fix parsing optional args

* HDFFV-11106 add note

* grammer fix

* Whitespace after clang formatting

* Undo format version 11 changes

* Update check to working version

* Merge workflow and minor changes from develop

* Update supported platforms

* PR#3 merge from develop

* Merge gcc 10 diagnostics option from develop

* Merge #318 OSX changes from develop

* Merge serval small changes from dev

* fix typo

* Minor non-space formatting changes

* GH #386 copyright corrections for java folder

* revert because logic requires false return

* Merges from develop

#358 patches from vtk
#361 fix header guard spelling

* Remove case statement for H5I_EVENTSET

* Correct call with versioning

* Remove tabs

* Double underscore change

* Merges from develop

#340 clang -Wformat-security warnings
#360 Fixed uninitialized warnings
Remove more underscores from header guards

* Merge #380 from develop

* Correct date entry

* Split format source and commit changes on repo push

* remove pre-split setting

* Change windows TS to use older VS.

* HDFFV-11212 JNI export util and Javadoc

* Suggested review changes

* Another change found

* Committing clang-format changes

* Some Javadoc warning fixes

* Committing clang-format changes

* Updated javadoc fixes

* HDFFV-11228/9 merges from develop

* remove obsolete debug comment

* Fix conflict

* HDFFV-11229 merge changes from develop

* HDFFV-11229 merge second compare from develop

* HDFFV-11229 fix reference file

* HDFFV-11229 update autotools test script for two ref files

* HDFFV-11229 merge dev changes for long double display in tools

* Committing clang-format changes

* Update with changes from develop

* Add "option" command for clang options

* Rework CMake add_custom to use the BYPRODUCTS argument

Update pkgconfig scripts for parallel builds.
Fix install COPYING file reference.
Remove unused round defines.
Change CMake default setting of BUILD_CPP to off.

* Whitespace changes

* Rework CMake add_custom to use the BYPRODUCTS argument

* Revert CMake configure checks for round defines

* With VS 2015 minimum strdup is supported

* Doxygen comments merged from develop

* doxygen build updates

* Correct version string for map functions

* TRILAB-227 and tools debug merge from develop

* TRILAB-227 Enable test

* Quote subset args

* Use MATCHES in compiler id compare, merge from dev

* Revert test enable

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

config/cmake/HDFCompilerFlags.cmake

@@ -134,7 +134,7 @@ if (NOT MSVC AND NOT MINGW)
       # gcc automatically inlines based on the optimization level
       # this is just a failsafe
       list (APPEND H5_CFLAGS "-finline-functions")
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang")
       ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general")
       if (HDF5_ENABLE_WARNINGS_AS_ERRORS)
         ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/error-general")
@@ -160,13 +160,13 @@ if (NOT MSVC AND NOT MINGW)
       list (APPEND H5_CFLAGS "-Winline -Wreorder -Wport -Wstrict-aliasing")
     elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
       ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general")
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang")
       ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general")
     endif ()
   else ()
     if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL 4.8)
       ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general")
-    elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    elseif (CMAKE_C_COMPILER_ID MATCHES "[Cc]lang")
       ADD_H5_FLAGS (H5_CFLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general")
     endif ()
   endif ()