2017-05-01 21:49:29 +08:00
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cmake_minimum_required(VERSION 3.8)
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project(libgsl C)
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option(INSTALL_HEADERS "Install public header files" ON)
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# Function to extract parameter from makefile. Space separated values are returned as lists
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function(extract_from_makefile PATTERN RETURN FILEPATH)
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file(READ ${FILEPATH} MAKEFILE_CONTENT)
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string(REGEX MATCH "${PATTERN}" CONTENTS "${MAKEFILE_CONTENT}")
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set(CONTENTS ${CMAKE_MATCH_1})
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# Split string into list
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string(REGEX REPLACE "[ \t]+" ";" CONTENTS "${CONTENTS}")
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if("${CONTENTS}" STREQUAL "")
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message(AUTHOR_WARNING "No match for \"${PATTERN}\" found in file ${FILEPATH}")
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endif()
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# Return
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set(${RETURN} ${CONTENTS} PARENT_SCOPE)
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endfunction(extract_from_makefile)
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# Function to extract C sources from makefile
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function(extract_sources SUBFOLDER ALLSOURCES)
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extract_from_makefile("lib[a-zA-Z1-9_]*_la_SOURCES[ \t]*=[ \t]*([^\n]*)" SOURCEFILES "${SUBFOLDER}/Makefile.am")
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# Add the folder in front of the file names
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string(REGEX REPLACE "([^;]+)" "${SUBFOLDER}/\\1" SOURCEFILES "${SOURCEFILES}")
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# Return
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set(${ALLSOURCES} ${${ALLSOURCES}} ${SOURCEFILES} PARENT_SCOPE)
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endfunction(extract_sources)
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set(SOURCES)
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extract_from_makefile("SUBDIRS = ([^\n]*)" FOLDERS "./Makefile.am")
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extract_sources("." SOURCES)
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foreach(DIR IN LISTS FOLDERS)
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extract_sources("${DIR}" SOURCES)
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endforeach()
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file(READ gsl_types.h GSLTYPES_H)
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string(REPLACE "#ifdef WIN32" "#if 1 /*WIN32*/" GSLTYPES_H "${GSLTYPES_H}")
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if(BUILD_SHARED_LIBS)
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string(REPLACE "# ifdef GSL_DLL" "# if 1 /*GSL_DLL*/" GSLTYPES_H "${GSLTYPES_H}")
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endif()
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/gsl_types.h "${GSLTYPES_H}")
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file(GLOB_RECURSE PUBLIC_HEADERS gsl*.h)
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list(APPEND PUBLIC_HEADERS ${CMAKE_CURRENT_BINARY_DIR}/gsl_types.h)
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add_library(libgsl ${SOURCES})
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2017-05-01 23:48:48 +08:00
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set_target_properties(libgsl PROPERTIES DEFINE_SYMBOL DLL_EXPORT WINDOWS_EXPORT_ALL_SYMBOLS ON)
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2017-05-01 21:49:29 +08:00
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if(INSTALL_HEADERS)
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set_target_properties(libgsl PROPERTIES PUBLIC_HEADER "${PUBLIC_HEADERS}")
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endif()
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target_include_directories(libgsl PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
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# For the build, we need to copy all headers to the gsl directory
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file(COPY ${PUBLIC_HEADERS} DESTINATION "${CMAKE_CURRENT_SOURCE_DIR}/gsl")
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set(TARGET_INSTALL_OPTIONS)
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if(INSTALL_HEADERS)
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set(TARGET_INSTALL_OPTIONS PUBLIC_HEADER DESTINATION include/gsl)
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endif()
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install(TARGETS libgsl
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RUNTIME DESTINATION bin
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LIBRARY DESTINATION lib
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ARCHIVE DESTINATION lib
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${TARGET_INSTALL_OPTIONS}
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)
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