add cmake

Author: hydroo

.gitignore

@@ -1,2 +1,4 @@
+.*
 *.o
 *.exe
+/BUILD*

CMakeLists.txt

@@ -0,0 +1,42 @@
+cmake_minimum_required (VERSION 3.13)
+
+project(stream)
+
+include(CheckLanguage)
+
+check_language(C)
+if(CMAKE_C_COMPILER)
+    enable_language(C)
+endif()
+  
+check_language(Fortran)
+if(CMAKE_Fortran_COMPILER)
+    enable_language(Fortran)
+endif()
+  
+find_package(OpenMP COMPONENTS C Fortran)
+
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Release)
+endif()
+
+set(STREAM_UNIX_RELEASE_FLAGS "-O2")
+set(STREAM_MSVC_RELEASE_FLAGS "/O2")
+
+if(CMAKE_C_COMPILER)
+    add_executable(stream_c stream.c)
+    target_link_libraries(stream_c PRIVATE $<$<BOOL:${OpenMP_C_FOUND}>:OpenMP::OpenMP_C>)
+    if(CMAKE_C_COMPILER_ID MATCHES "(GNU|Clang|Intel)")
+        target_compile_options(stream_c PUBLIC "$<$<CONFIG:RELEASE>:${STREAM_UNIX_RELEASE_FLAGS}>")
+    elseif(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+        target_compile_options(stream_c PUBLIC "$<$<CONFIG:RELEASE>:${STREAM_MSVC_RELEASE_FLAGS}>")
+    endif()
+endif()
+
+if(CMAKE_Fortran_COMPILER)
+    add_executable(stream_f stream.f mysecond.c)
+    target_link_libraries(stream_f PRIVATE $<$<BOOL:${OpenMP_Fortran_FOUND}>:OpenMP::OpenMP_Fortran>)
+    if(CMAKE_Fortran_COMPILER_ID MATCHES "(GNU|Clang|Intel)")
+        target_compile_options(stream_f PUBLIC "$<$<CONFIG:RELEASE>:${STREAM_UNIX_RELEASE_FLAGS}>")
+    endif()
+endif()