Update cpp-api example

Author: cyang-kth

example/cpp-api/CMakeLists.txt

@@ -7,6 +7,47 @@ set(CMAKE_CXX_STANDARD 11)
 
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 
+set(CMAKE_BUILD_TYPE "Release")
+set(CMAKE_CXX_FLAGS "-O3 -DSPDLOG_ACTIVE_LEVEL=SPDLOG_LEVEL_TRACE")
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/build")
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+find_package(Conda)
+if(CONDA_PREFIX)
+  message(STATUS "Set CONDA_PREFIX ${CONDA_PREFIX}")
+  set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} ${CONDA_PREFIX})
+else()
+  message(STATUS "Non conda exist, search library in default path")
+endif()
+
+find_package(GDAL 2.2 REQUIRED)
+if (GDAL_FOUND)
+  message(STATUS "GDAL headers found at ${GDAL_INCLUDE_DIR}")
+  message(STATUS "GDAL library found at ${GDAL_LIBRARIES}")
+  include_directories(${GDAL_INCLUDE_DIR})
+else()
+  message(FATAL_ERROR "GDAL Not Found!")
+endif (GDAL_FOUND)
+
+find_package(Boost 1.56.0 REQUIRED serialization)
+if (Boost_FOUND)
+  message(STATUS "Boost headers found at ${Boost_INCLUDE_DIR}")
+  message(STATUS "Boost library found at ${Boost_LIBRARIES}")
+  message(STATUS "Boost library version ${Boost_LIB_VERSION}")
+else()
+  message(FATAL_ERROR "Boost Not Found!")
+endif (Boost_FOUND)
+
+find_package(OpenMP REQUIRED)
+if(OPENMP_FOUND)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+  message(STATUS "OpenMP_HEADERS found at ${OpenMP_CXX_INCLUDE_DIRS}")
+  message(STATUS "OpenMP_CXX_LIBRARIES found at ${OpenMP_CXX_LIBRARIES}")
+endif()
+
 find_package(FMM REQUIRED)
 if (FMM_FOUND)
     message(STATUS "FMM headers found at ${FMM_INCLUDE_DIR}")
@@ -17,7 +58,19 @@ else()
     message(FATAL_ERROR "FMM Not Found!")
 endif (FMM_FOUND)
 
+### Set RPATH properties
+
+set(CMAKE_SKIP_BUILD_RPATH FALSE)
+
+set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
+
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+
 add_executable(fmm_print_network main.cpp)
-target_link_libraries(fmm_print_network ${FMM_LIBRARY})
+target_link_libraries(fmm_print_network
+  ${FMM_LIBRARY} ${GDAL_LIBRARIES} ${Boost_LIBRARIES}
+  ${OpenMP_CXX_LIBRARIES})
 
 install(TARGETS fmm_print_network DESTINATION bin)

example/cpp-api/cmake/FindConda.cmake

@@ -0,0 +1,24 @@
+if(DEFINED ENV{CONDA_PREFIX})
+	set(CONDA_PREFIX $ENV{CONDA_PREFIX} CACHE PATH "")
+else()
+	# Assuming the active conda environment is on PATH, this finds the path of bin/ in the environment
+	find_program(CONDA_EXECUTABLE conda
+			PATHS ${CONDA_PREFIX}/bin ${CONDA_PREFIX}/Scripts ENV PATH
+			)
+	if(CONDA_EXECUTABLE)
+		execute_process(COMMAND ${CONDA_EXECUTABLE} info --root
+				OUTPUT_VARIABLE out_var
+				OUTPUT_STRIP_TRAILING_WHITESPACE
+				)
+		execute_process(COMMAND ${CONDA_EXECUTABLE} info --envs
+				)
+	else()
+		message(STATUS "\nNo conda environment found in PATH!\nPATH=$ENV{PATH}\n")
+	endif()
+  set(CONDA_PREFIX ${out_var})
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Conda
+		REQUIRED_VARS CONDA_PREFIX
+		)

example/cpp-api/cmake/findFMM.cmake example/cpp-api/cmake/FindFMM.cmakeexample/cpp-api/cmake/findFMM.cmake renamed to example/cpp-api/cmake/FindFMM.cmake

@@ -5,7 +5,7 @@ else ()
 endif ()
 
 if (NOT FMM_LIBRARY)
-    find_library(FMM_LIBRARY NAMES fmmlib NAMES_PER_DIR PATH_SUFFIXES lib)
+    find_library(FMM_LIBRARY NAMES FMMLIB PATH_SUFFIXES lib)
 else ()
     file(TO_CMAKE_PATH "${FMM_LIBRARY}" FMM_LIBRARY)
 endif ()