cmake_minimum_required(VERSION 3.8) project(gsl C) option(INSTALL_HEADERS "Install public header files" ON) # Function to extract parameter from makefile. Space separated values are returned as lists function(extract_from_makefile PATTERN RETURN FILEPATH) file(READ ${FILEPATH} MAKEFILE_CONTENT) string(REGEX MATCH "${PATTERN}" CONTENTS "${MAKEFILE_CONTENT}") set(CONTENTS ${CMAKE_MATCH_1}) # Split string into list string(REGEX REPLACE "([\t ]+(\\\\\n)?)+" ";" CONTENTS "${CONTENTS}") string(REGEX REPLACE "[\t ]*\\\\\n[\t ]*;" "" CONTENTS "${CONTENTS}") if("${CONTENTS}" STREQUAL "") message(AUTHOR_WARNING "No match for \"${PATTERN}\" found in file ${FILEPATH}") endif() # Return set(${RETURN} ${CONTENTS} PARENT_SCOPE) endfunction(extract_from_makefile) # Function to extract C sources from makefile function(extract_sources SUBFOLDER ALLSOURCES) extract_from_makefile("lib[a-zA-Z1-9_]*_la_SOURCES[ \t]*=[ \t]*(((\\\\\n)?[^\n])*)" SOURCEFILES "${SUBFOLDER}/Makefile.am") # Add the folder in front of the file names string(REGEX REPLACE "([^;]+)" "${SUBFOLDER}/\\1" SOURCEFILES "${SOURCEFILES}") # Return set(${ALLSOURCES} ${${ALLSOURCES}} ${SOURCEFILES} PARENT_SCOPE) endfunction(extract_sources) set(SOURCES) set(CBLAS_SOURCES) extract_from_makefile("SUBDIRS = (((\\\\\n)?[^\n])*)" FOLDERS "./Makefile.am") extract_sources("." SOURCES) foreach(DIR IN LISTS FOLDERS) if("${DIR}" STREQUAL "cblas") extract_sources("${DIR}" CBLAS_SOURCES) else() extract_sources("${DIR}" SOURCES) endif() endforeach() file(READ gsl_types.h GSLTYPES_H) string(REPLACE "#ifdef WIN32" "#if 1 /*WIN32*/" GSLTYPES_H "${GSLTYPES_H}") if(BUILD_SHARED_LIBS) string(REPLACE "# ifdef GSL_DLL" "# if 1 /*GSL_DLL*/" GSLTYPES_H "${GSLTYPES_H}") endif() file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/gsl_types.h "${GSLTYPES_H}") file(GLOB_RECURSE PUBLIC_HEADERS gsl*.h) list(APPEND PUBLIC_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/gsl_types.h) # The debug libraries have a "d" postfix so that CMake's FindGSL.cmake # module can distinguish between Release and Debug libraries set(CMAKE_DEBUG_POSTFIX "d") add_library(gslcblas ${CBLAS_SOURCES}) set_target_properties(gslcblas PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON) add_library(gsl ${SOURCES}) set_target_properties(gsl PROPERTIES DEFINE_SYMBOL DLL_EXPORT WINDOWS_EXPORT_ALL_SYMBOLS ON) target_link_libraries(gsl PUBLIC gslcblas) if(INSTALL_HEADERS) set_target_properties(gsl PROPERTIES PUBLIC_HEADER "${PUBLIC_HEADERS}") endif() target_include_directories(gslcblas PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) target_include_directories(gsl PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}) # For the build, we need to copy all headers to the gsl directory file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/gsl) file(COPY ${PUBLIC_HEADERS} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/gsl") set(TARGET_INSTALL_OPTIONS) if(INSTALL_HEADERS) set(TARGET_INSTALL_OPTIONS PUBLIC_HEADER DESTINATION include/gsl) endif() configure_file("${CMAKE_CURRENT_SOURCE_DIR}/gsl.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/gsl.pc" @ONLY) install(FILES "${CMAKE_CURRENT_BINARY_DIR}/gsl.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") install(TARGETS gsl gslcblas RUNTIME DESTINATION bin LIBRARY DESTINATION lib ARCHIVE DESTINATION lib ${TARGET_INSTALL_OPTIONS} )