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cmake_minimum_required(VERSION 3.15)
# set the project name and version
project(Tutorial VERSION 1.0)
# specify the C++ standard
add_library(tutorial_compiler_flags INTERFACE)
target_compile_features(tutorial_compiler_flags INTERFACE cxx_std_11)
# add compiler warning flags just when building this project via
# the BUILD_INTERFACE genex
set(gcc_like_cxx "$<COMPILE_LANG_AND_ID:CXX,ARMClang,AppleClang,Clang,GNU,LCC>")
set(msvc_cxx "$<COMPILE_LANG_AND_ID:CXX,MSVC>")
target_compile_options(tutorial_compiler_flags INTERFACE
"$<${gcc_like_cxx}:$<BUILD_INTERFACE:-Wall;-Wextra;-Wshadow;-Wformat=2;-Wunused>>"
"$<${msvc_cxx}:$<BUILD_INTERFACE:-W3>>"
)
# configure a header file to pass the version number only
configure_file(TutorialConfig.h.in TutorialConfig.h)
# add the MathFunctions library
add_subdirectory(MathFunctions)
# add the executable
add_executable(Tutorial tutorial.cxx)
target_link_libraries(Tutorial PUBLIC MathFunctions tutorial_compiler_flags)
# add the binary tree to the search path for include files
# so that we will find TutorialConfig.h
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
)
# add the install targets
install(TARGETS Tutorial DESTINATION bin)
install(FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h"
DESTINATION include
)
# enable testing
include(CTest)
# does the application run
add_test(NAME Runs COMMAND Tutorial 25)
# does the usage message work?
add_test(NAME Usage COMMAND Tutorial)
set_tests_properties(Usage
PROPERTIES PASS_REGULAR_EXPRESSION "Usage:.*number"
)
# define a function to simplify adding tests
function(do_test target arg result)
add_test(NAME Comp${arg} COMMAND ${target} ${arg})
set_tests_properties(Comp${arg}
PROPERTIES PASS_REGULAR_EXPRESSION ${result}
)
endfunction()
# do a bunch of result based tests
do_test(Tutorial 4 "4 is 2")
do_test(Tutorial 9 "9 is 3")
do_test(Tutorial 5 "5 is 2.236")
do_test(Tutorial 7 "7 is 2.645")
do_test(Tutorial 25 "25 is 5")
do_test(Tutorial -25 "-25 is (-nan|nan|0)")
do_test(Tutorial 0.0001 "0.0001 is 0.01")
# setup installer
include(InstallRequiredSystemLibraries)
set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/License.txt")
set(CPACK_PACKAGE_VERSION_MAJOR "${Tutorial_VERSION_MAJOR}")
set(CPACK_PACKAGE_VERSION_MINOR "${Tutorial_VERSION_MINOR}")
set(CPACK_GENERATOR "TGZ")
set(CPACK_SOURCE_GENERATOR "TGZ")
include(CPack)
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