update the format of c code and update cmake to be compatible with macos

openms/lib/fdtd/CMakeLists.txt

@@ -11,6 +11,18 @@ include(FindGSL)
 
 ## maybe a better idea is to let user to install the gsl and provide it via LD_LIBRARY_PATH
 ##find_package(GSL COMPONENTS libgsl libgslcblas PATHS ${CMAKE_PREFIX_PATH} QUIET)
+
+# Determine the operating system
+if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    # macOS
+    set(LIB_POSTFIX "dylib")
+elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
+    # Linux
+    set(LIB_POSTFIX "so")
+else()
+    message(FATAL_ERROR "Unsupported platform: ${CMAKE_SYSTEM_NAME}")
+endif()
+
 if(GSL_FOUND)
     message("GSL found!")
 else()
@@ -24,12 +36,12 @@ else()
         BUILD_COMMAND make
         INSTALL_COMMAND make install
         TEST_COMMAND "" # empty command, will not run tests during build
-	TEST_AFTER_INSTALL TRUE # Run tests after installation with "make check" 
+	TEST_AFTER_INSTALL TRUE # Run tests after installation with "make check"
     )
-    #set(gsl_lib "${PROJECT_SOURCE_DIR}/deps/lib/libgslcblas.so")
-    #set(gsl_cblas "${PROJECT_SOURCE_DIR}/deps/lib/libgslcblas.so")
-    set(GSL_LIBRARIES "${PROJECT_SOURCE_DIR}/deps/lib/libgslcblas.so" "${PROJECT_SOURCE_DIR}/deps/lib/libgsl.so")
-    set(GSL_LIBRARY "${PROJECT_SOURCE_DIR}/deps/lib/libgsl.so")
+    #set(gsl_lib "${PROJECT_SOURCE_DIR}/deps/lib/libgslcblas.${LIB_POSTFIX}")
+    #set(gsl_cblas "${PROJECT_SOURCE_DIR}/deps/lib/libgslcblas.${LIB_POSTFIX}")
+    set(GSL_LIBRARIES "${PROJECT_SOURCE_DIR}/deps/lib/libgslcblas.${LIB_POSTFIX}" "${PROJECT_SOURCE_DIR}/deps/lib/libgsl.${LIB_POSTFIX}")
+    set(GSL_LIBRARY "${PROJECT_SOURCE_DIR}/deps/lib/libgsl.${LIB_POSTFIX}")
     set(GSL_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/deps/include/gsl")
 endif()
 
@@ -50,7 +62,6 @@ energy.c
 output.c
 metalobj.c
 memory.c
-libpFDTD.a
 transmap.c
 timeupdate.c
 source.c
@@ -89,16 +100,21 @@ include_directories(${Python3_INCLUDE_DIRS})
 include_directories(${NUMPY_INCLUDE_DIR})
 include_directories(${GSL_INCLUDE_DIRS})
 
+link_directories(${Python3_LIBRARY_DIRS})
+
 # Create _fdtdc Python extension module
 add_library(_fdtdc SHARED ${SOURCES-C} ${WRAPPER-C})
 
 #add_custom_command(TARGET _fdtdc COMMAND swig -python ${CMAKE_CURRENT_SOURCE_DIR}/pFDTD.i)
 #add_custom_command(TARGET _fdtdc POST_BUILD COMMAND swig -python ${CMAKE_CURRENT_SOURCE_DIR}/pFDTD.i)
 
 # Link against GSL library
-target_link_libraries(_fdtdc PUBLIC ${GSL_LIBRARIES})
+target_link_libraries(_fdtdc PUBLIC ${GSL_LIBRARIES} ${Python3_LIBRARIES})
 target_include_directories(_fdtdc PUBLIC ${GSL_LIBRARIES})
 
+message("")
+message(" * C_FLAGS are: ${CMAKE_C_FLAGS}")
+message("")
 
 # Install _fdtdc Python extension module
 set_target_properties(_fdtdc PROPERTIES PREFIX "")
@@ -121,4 +137,3 @@ install(TARGETS _fdtdc
 #SET_SOURCE_FILES_PROPERTIES(pFDTD.i PROPERTIES SWIG_FLAGS "-includeall")
 #SWIG_ADD_MODULE(pFDTD python pFDTD.i ${SOURCES-C})
 #SWIG_LINK_LIBRARIES(pFDTD ${PYTHON_LIBRARIES})
-