5 files changed, 91 insertions, 0 deletions
diff --git a/Modules/CMakeCompilerIdDetection.cmake b/Modules/CMakeCompilerIdDetection.cmake
index eef2bd5..3a2b51f 100644
--- a/Modules/CMakeCompilerIdDetection.cmake
+++ b/Modules/CMakeCompilerIdDetection.cmake
@@ -65,6 +65,7 @@ function(compiler_id_detection outvar lang)
       VisualAge
       NVHPC
       PGI
+      CrayClang
       Cray
       TI
       FujitsuClang
diff --git a/Modules/Compiler/CrayClang-C.cmake b/Modules/Compiler/CrayClang-C.cmake
new file mode 100644
index 0000000..bf878fc
--- /dev/null
+++ b/Modules/Compiler/CrayClang-C.cmake
@@ -0,0 +1,30 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+include(Compiler/CrayClang)
+__compiler_cray_clang(C)
+
+set(CMAKE_C_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x c)
+
+string(APPEND CMAKE_C_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
+string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " -DNDEBUG")
+
+set(CMAKE_C90_STANDARD_COMPILE_OPTION  -std=c90)
+set(CMAKE_C90_EXTENSION_COMPILE_OPTION -std=gnu90)
+set(CMAKE_C90_STANDARD__HAS_FULL_SUPPORT ON)
+
+set(CMAKE_C99_STANDARD_COMPILE_OPTION  -std=c99)
+set(CMAKE_C99_EXTENSION_COMPILE_OPTION -std=gnu99)
+set(CMAKE_C99_STANDARD__HAS_FULL_SUPPORT ON)
+
+set(CMAKE_C11_STANDARD_COMPILE_OPTION  -std=c11)
+set(CMAKE_C11_EXTENSION_COMPILE_OPTION -std=gnu11)
+set(CMAKE_C11_STANDARD__HAS_FULL_SUPPORT ON)
+
+set(CMAKE_C17_STANDARD_COMPILE_OPTION  -std=c17)
+set(CMAKE_C17_EXTENSION_COMPILE_OPTION -std=gnu17)
+
+set(CMAKE_C23_STANDARD_COMPILE_OPTION  -std=c2x)
+set(CMAKE_C23_EXTENSION_COMPILE_OPTION -std=gnu2x)
+
+__compiler_check_default_language_standard(C 15.0.0 17)
diff --git a/Modules/Compiler/CrayClang-CXX.cmake b/Modules/Compiler/CrayClang-CXX.cmake
new file mode 100644
index 0000000..de6a53c
--- /dev/null
+++ b/Modules/Compiler/CrayClang-CXX.cmake
@@ -0,0 +1,35 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+include(Compiler/CrayClang)
+__compiler_cray_clang(CXX)
+
+
+set(CMAKE_CXX_COMPILE_OPTIONS_EXPLICIT_LANGUAGE -x c++)
+set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY_INLINES_HIDDEN "-fvisibility-inlines-hidden")
+
+string(APPEND CMAKE_CXX_FLAGS_MINSIZEREL_INIT " -DNDEBUG")
+string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " -DNDEBUG")
+
+set(CMAKE_CXX98_STANDARD_COMPILE_OPTION  -std=c++98)
+set(CMAKE_CXX98_EXTENSION_COMPILE_OPTION -std=gnu++98)
+set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
+
+set(CMAKE_CXX11_STANDARD_COMPILE_OPTION  -std=c++11)
+set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION -std=gnu++11)
+set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)
+
+set(CMAKE_CXX14_STANDARD_COMPILE_OPTION  -std=c++14)
+set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION -std=gnu++14)
+set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
+
+set(CMAKE_CXX17_STANDARD_COMPILE_OPTION  -std=c++17)
+set(CMAKE_CXX17_EXTENSION_COMPILE_OPTION -std=gnu++17)
+
+set(CMAKE_CXX20_STANDARD_COMPILE_OPTION  -std=c++20)
+set(CMAKE_CXX20_EXTENSION_COMPILE_OPTION -std=gnu++20)
+
+set(CMAKE_CXX23_STANDARD_COMPILE_OPTION  -std=c++2b)
+set(CMAKE_CXX23_EXTENSION_COMPILE_OPTION -std=gnu++2b)
+
+__compiler_check_default_language_standard(CXX 15.0.0 14)
diff --git a/Modules/Compiler/CrayClang-DetermineCompiler.cmake b/Modules/Compiler/CrayClang-DetermineCompiler.cmake
new file mode 100644
index 0000000..1828444
--- /dev/null
+++ b/Modules/Compiler/CrayClang-DetermineCompiler.cmake
@@ -0,0 +1,8 @@
+set(_compiler_id_pp_test "defined(__clang__) && defined(__cray__)")
+
+set(_compiler_id_version_compute "
+# define @PREFIX@COMPILER_VERSION_MAJOR @MACRO_DEC@(__cray_major__)
+# define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@(__cray_minor__)
+# define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@(__cray_patchlevel__)
+# define @PREFIX@COMPILER_VERSION_INTERNAL_STR __clang_version__
+")
diff --git a/Modules/Compiler/CrayClang.cmake b/Modules/Compiler/CrayClang.cmake
new file mode 100644
index 0000000..d2db9dd
--- /dev/null
+++ b/Modules/Compiler/CrayClang.cmake
@@ -0,0 +1,17 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+# This module is shared by multiple languages; use include blocker.
+if(__COMPILER_CRAYCLANG)
+  return()
+endif()
+set(__COMPILER_CRAYCLANG 1)
+
+include(Compiler/Clang)
+
+macro (__compiler_cray_clang lang)
+  set(__crayclang_ver "${CMAKE_${lang}_COMPILER_VERSION}")
+  set("CMAKE_${lang}_COMPILER_VERSION" "${CMAKE_${lang}_COMPILER_VERSION_INTERNAL}")
+  __compiler_clang(${lang})
+  set("CMAKE_${lang}_COMPILER_VERSION" "${__crayclang_ver}")
+endmacro ()