1.
tutorial.cxx
// A simple program that computes the square root of a number
#include <cmath>
#include <cstdlib>
#include <iostream>
#include <string>
#include "TutorialConfig.h"
int main(int argc, char* argv[])
{
if (argc < 2) {
std::cout << "Usage: " << argv[0] << " number" << std::endl;
return 1;
}
double inputValue = std::stod(argv[1]);
double outputValue = sqrt(inputValue);
std::cout << "The square root of " << inputValue << " is " << outputValue
<< std::endl;
return 0;
}CMakeLists.txt
cmake_minimum_required(VERSION 3.3)
project(Tutorial)
set(Tutorial_VERSION_MAJOR 1)
set(Tutorial_VERSION_MINOR 0)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED True)
configure_file(
"${PROJECT_SOURCE_DIR}/TutorialConfig.h.in"
"${PROJECT_BINARY_DIR}/TutorialConfig.h"
)
add_executable(Tutorial tutorial.cxx)
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
)
2.
tutorial.cxx
// A simple program that computes the square root of a number
#include <cmath>
#include <iostream>
#include <string>
#include "TutorialConfig.h"
#ifdef USE_MYMATH
#include "MathFunctions.h"
#endif
int main(int argc, char* argv[])
{
if (argc < 2) {
std::cout << argv[0] << " Version " << Tutorial_VERSION_MAJOR << "."
<< Tutorial_VERSION_MINOR << std::endl;
std::cout << "Usage: " << argv[0] << " number" << std::endl;
return 1;
}
double inputValue = std::stod(argv[1]);
#ifdef USE_MYMATH
double outputValue = mysqrt(inputValue);
#else
double outputValue = sqrt(inputValue);
#endif
std::cout << "The square root of " << inputValue << " is " << outputValue
<< std::endl;
return 0;
}CMakeLists.txt
cmake_minimum_required(VERSION 3.3)
project(Tutorial)
set(CMAKE_CXX_STANDARD 14)
# the version number.
set(Tutorial_VERSION_MAJOR 1)
set(Tutorial_VERSION_MINOR 0)
# configure a header file to pass some of the CMake settings
# to the source code
configure_file(
"${PROJECT_SOURCE_DIR}/TutorialConfig.h.in"
"${PROJECT_BINARY_DIR}/TutorialConfig.h"
)
# should we use our own math functions
option(USE_MYMATH "Use tutorial provided math implementation" ON)
# add the MathFunctions library?
if(USE_MYMATH)
add_subdirectory(MathFunctions)
list(APPEND EXTRA_LIBS MathFunctions)
list(APPEND EXTRA_INCLUDES "${PROJECT_SOURCE_DIR}/MathFunctions")
endif(USE_MYMATH)
# add the executable
add_executable(Tutorial tutorial.cxx)
target_link_libraries(Tutorial ${EXTRA_LIBS})
# add the binary tree to the search path for include files
# so that we will find TutorialConfig.h
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
${EXTRA_INCLUDES}
)
3.
CMakeLists.txt
cmake_minimum_required(VERSION 3.3)
project(Tutorial)
set(CMAKE_CXX_STANDARD 14)
# should we use our own math functions
option(USE_MYMATH "Use tutorial provided math implementation" ON)
# the version number.
set(Tutorial_VERSION_MAJOR 1)
set(Tutorial_VERSION_MINOR 0)
# configure a header file to pass some of the CMake settings
# to the source code
configure_file(
"${PROJECT_SOURCE_DIR}/TutorialConfig.h.in"
"${PROJECT_BINARY_DIR}/TutorialConfig.h"
)
# add the MathFunctions library?
if(USE_MYMATH)
add_subdirectory(MathFunctions)
list(APPEND EXTRA_LIBS MathFunctions)
endif(USE_MYMATH)
# add the executable
add_executable(Tutorial tutorial.cxx)
target_link_libraries(Tutorial PUBLIC ${EXTRA_LIBS})
# add the binary tree to the search path for include files
# so that we will find TutorialConfig.h
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
)MathFunctions/CMakeLists.txt
add_library(MathFunctions mysqrt.cxx)
target_include_directories(MathFunctions
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
4.
CMakeLists.txt
cmake_minimum_required(VERSION 3.3)
project(Tutorial)
set(CMAKE_CXX_STANDARD 14)
# should we use our own math functions
option(USE_MYMATH "Use tutorial provided math implementation" ON)
# the version number.
set(Tutorial_VERSION_MAJOR 1)
set(Tutorial_VERSION_MINOR 0)
# configure a header file to pass some of the CMake settings
# to the source code
configure_file(
"${PROJECT_SOURCE_DIR}/TutorialConfig.h.in"
"${PROJECT_BINARY_DIR}/TutorialConfig.h"
)
# add the MathFunctions library?
if(USE_MYMATH)
add_subdirectory(MathFunctions)
list(APPEND EXTRA_LIBS MathFunctions)
endif(USE_MYMATH)
# add the executable
add_executable(Tutorial tutorial.cxx)
target_link_libraries(Tutorial PUBLIC ${EXTRA_LIBS})
# add the binary tree to the search path for include files
# so that we will find TutorialConfig.h
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
)
install(TARGETS Tutorial DESTINATION bin)
install(FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h"
DESTINATION include
)
# enable testing
enable_testing()
# does the application run
add_test(NAME Runs COMMAND Tutorial 25)
# does the usage message work?
add_test(NAME Usage COMMAND Tutorial)
set_tests_properties(Usage
PROPERTIES PASS_REGULAR_EXPRESSION "Usage:.*number"
)
# define a function to simplify adding tests
function(do_test target arg result)
add_test(NAME Comp${arg} COMMAND ${target} ${arg})
set_tests_properties(Comp${arg}
PROPERTIES PASS_REGULAR_EXPRESSION ${result}
)
endfunction(do_test)
# do a bunch of result based tests
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")MathFunctions/CMakeLists.txt
add_library(MathFunctions mysqrt.cxx)
# state that anybody linking to us needs to include the current source dir
# to find MathFunctions.h, while we don't.
target_include_directories(MathFunctions
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
)
install (TARGETS MathFunctions DESTINATION bin)
install (FILES MathFunctions.h DESTINATION include)
5.
CMakeLists.txt
cmake_minimum_required(VERSION 3.3)
project(Tutorial)
set(CMAKE_CXX_STANDARD 14)
# should we use our own math functions
option(USE_MYMATH "Use tutorial provided math implementation" ON)
# the version number.
set(Tutorial_VERSION_MAJOR 1)
set(Tutorial_VERSION_MINOR 0)
# does this system provide the log and exp functions?
include(CheckSymbolExists)
set(CMAKE_REQUIRED_LIBRARIES "m")
check_symbol_exists(log "math.h" HAVE_LOG)
check_symbol_exists(exp "math.h" HAVE_EXP)
# configure a header file to pass some of the CMake settings
# to the source code
configure_file(
"${PROJECT_SOURCE_DIR}/TutorialConfig.h.in"
"${PROJECT_BINARY_DIR}/TutorialConfig.h"
)
# add the MathFunctions library?
if(USE_MYMATH)
add_subdirectory(MathFunctions)
list(APPEND EXTRA_LIBS MathFunctions)
endif()
# add the executable
add_executable(Tutorial tutorial.cxx)
target_link_libraries(Tutorial PUBLIC ${EXTRA_LIBS})
# add the binary tree to the search path for include files
# so that we will find TutorialConfig.h
target_include_directories(Tutorial PUBLIC
"${PROJECT_BINARY_DIR}"
)
# add the install targets
install(TARGETS Tutorial DESTINATION bin)
install(FILES "${PROJECT_BINARY_DIR}/TutorialConfig.h"
DESTINATION include
)
# enable testing
enable_testing()
# does the application run
add_test(NAME Runs COMMAND Tutorial 25)
# does the usage message work?
add_test(NAME Usage COMMAND Tutorial)
set_tests_properties(Usage
PROPERTIES PASS_REGULAR_EXPRESSION "Usage:.*number"
)
# define a function to simplify adding tests
function(do_test target arg result)
add_test(NAME Comp${arg} COMMAND ${target} ${arg})
set_tests_properties(Comp${arg}
PROPERTIES PASS_REGULAR_EXPRESSION ${result}
)
endfunction(do_test)
# 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")MathFunctions/CMakeLists.txt
add_library(MathFunctions mysqrt.cxx)
target_include_directories(MathFunctions
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
PRIVATE ${Tutorial_BINARY_DIR}
)
install(TARGETS MathFunctions DESTINATION lib)
install(FILES MathFunctions.h DESTINATION include)
Shared and static versions of the program are the same size (probably because the proram is so small).
Makefile
static: program.a
shared: program.so
# Static library
program.a: program.o libblock.a
cc program.o libblock.a -o static_program
program.o: program.c headers/block.h
cc -c program.c
libblock.a: source/block.c headers/block.h
cc -c source/block.c
ar qc libblock.a block.o
# Shared Library
program.so: program.o libblock.so
cc program.o libblock.so -o shared_program -Wl,-rpath .
libblock.so: source/block.c headers/block.h
cc -fPIC -c source/block.c
cc -shared block.o -o libblock.so
# Clean
clean:
rm -rf *.o *.a *.soCMakeLists.txt
cmake_minimum_required(VERSION 3.0)
project(Program)
add_library(static_block STATIC source/block.c headers/block.h)
add_library(shared_block SHARED source/block.c headers/block.h)
add_executable(static_program program.c)
target_link_libraries(static_program static_block)
add_executable(shared_program program.c)
target_link_libraries(shared_program shared_block)Makefile generated by CMake
# CMAKE generated file: DO NOT EDIT!
# Generated by "Unix Makefiles" Generator, CMake Version 3.10
# Default target executed when no arguments are given to make.
default_target: all
.PHONY : default_target
# Allow only one "make -f Makefile2" at a time, but pass parallelism.
.NOTPARALLEL:
#=============================================================================
# Special targets provided by cmake.
# Disable implicit rules so canonical targets will work.
.SUFFIXES:
# Remove some rules from gmake that .SUFFIXES does not remove.
SUFFIXES =
.SUFFIXES: .hpux_make_needs_suffix_list
# Suppress display of executed commands.
$(VERBOSE).SILENT:
# A target that is always out of date.
cmake_force:
.PHONY : cmake_force
#=============================================================================
# Set environment variables for the build.
# The shell in which to execute make rules.
SHELL = /bin/sh
# The CMake executable.
CMAKE_COMMAND = /usr/bin/cmake
# The command to remove a file.
RM = /usr/bin/cmake -E remove -f
# Escaping for special characters.
EQUALS = =
# The top-level source directory on which CMake was run.
CMAKE_SOURCE_DIR = /home/elsmith/Lab5
# The top-level build directory on which CMake was run.
CMAKE_BINARY_DIR = /home/elsmith/Lab5/build
#=============================================================================
# Targets provided globally by CMake.
# Special rule for the target rebuild_cache
rebuild_cache:
@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "Running CMake to regenerate build system..."
/usr/bin/cmake -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)
.PHONY : rebuild_cache
# Special rule for the target rebuild_cache
rebuild_cache/fast: rebuild_cache
.PHONY : rebuild_cache/fast
# Special rule for the target edit_cache
edit_cache:
@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) --cyan "No interactive CMake dialog available..."
/usr/bin/cmake -E echo No\ interactive\ CMake\ dialog\ available.
.PHONY : edit_cache
# Special rule for the target edit_cache
edit_cache/fast: edit_cache
.PHONY : edit_cache/fast
# The main all target
all: cmake_check_build_system
$(CMAKE_COMMAND) -E cmake_progress_start /home/elsmith/Lab5/build/CMakeFiles /home/elsmith/Lab5/build/CMakeFiles/progress.marks
$(MAKE) -f CMakeFiles/Makefile2 all
$(CMAKE_COMMAND) -E cmake_progress_start /home/elsmith/Lab5/build/CMakeFiles 0
.PHONY : all
# The main clean target
clean:
$(MAKE) -f CMakeFiles/Makefile2 clean
.PHONY : clean
# The main clean target
clean/fast: clean
.PHONY : clean/fast
# Prepare targets for installation.
preinstall: all
$(MAKE) -f CMakeFiles/Makefile2 preinstall
.PHONY : preinstall
# Prepare targets for installation.
preinstall/fast:
$(MAKE) -f CMakeFiles/Makefile2 preinstall
.PHONY : preinstall/fast
# clear depends
depend:
$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 1
.PHONY : depend
#=============================================================================
# Target rules for targets named static_program
# Build rule for target.
static_program: cmake_check_build_system
$(MAKE) -f CMakeFiles/Makefile2 static_program
.PHONY : static_program
# fast build rule for target.
static_program/fast:
$(MAKE) -f CMakeFiles/static_program.dir/build.make CMakeFiles/static_program.dir/build
.PHONY : static_program/fast
#=============================================================================
# Target rules for targets named static_block
# Build rule for target.
static_block: cmake_check_build_system
$(MAKE) -f CMakeFiles/Makefile2 static_block
.PHONY : static_block
# fast build rule for target.
static_block/fast:
$(MAKE) -f CMakeFiles/static_block.dir/build.make CMakeFiles/static_block.dir/build
.PHONY : static_block/fast
#=============================================================================
# Target rules for targets named shared_program
# Build rule for target.
shared_program: cmake_check_build_system
$(MAKE) -f CMakeFiles/Makefile2 shared_program
.PHONY : shared_program
# fast build rule for target.
shared_program/fast:
$(MAKE) -f CMakeFiles/shared_program.dir/build.make CMakeFiles/shared_program.dir/build
.PHONY : shared_program/fast
#=============================================================================
# Target rules for targets named shared_block
# Build rule for target.
shared_block: cmake_check_build_system
$(MAKE) -f CMakeFiles/Makefile2 shared_block
.PHONY : shared_block
# fast build rule for target.
shared_block/fast:
$(MAKE) -f CMakeFiles/shared_block.dir/build.make CMakeFiles/shared_block.dir/build
.PHONY : shared_block/fast
program.o: program.c.o
.PHONY : program.o
# target to build an object file
program.c.o:
$(MAKE) -f CMakeFiles/static_program.dir/build.make CMakeFiles/static_program.dir/program.c.o
$(MAKE) -f CMakeFiles/shared_program.dir/build.make CMakeFiles/shared_program.dir/program.c.o
.PHONY : program.c.o
program.i: program.c.i
.PHONY : program.i
# target to preprocess a source file
program.c.i:
$(MAKE) -f CMakeFiles/static_program.dir/build.make CMakeFiles/static_program.dir/program.c.i
$(MAKE) -f CMakeFiles/shared_program.dir/build.make CMakeFiles/shared_program.dir/program.c.i
.PHONY : program.c.i
program.s: program.c.s
.PHONY : program.s
# target to generate assembly for a file
program.c.s:
$(MAKE) -f CMakeFiles/static_program.dir/build.make CMakeFiles/static_program.dir/program.c.s
$(MAKE) -f CMakeFiles/shared_program.dir/build.make CMakeFiles/shared_program.dir/program.c.s
.PHONY : program.c.s
source/block.o: source/block.c.o
.PHONY : source/block.o
# target to build an object file
source/block.c.o:
$(MAKE) -f CMakeFiles/static_block.dir/build.make CMakeFiles/static_block.dir/source/block.c.o
$(MAKE) -f CMakeFiles/shared_block.dir/build.make CMakeFiles/shared_block.dir/source/block.c.o
.PHONY : source/block.c.o
source/block.i: source/block.c.i
.PHONY : source/block.i
# target to preprocess a source file
source/block.c.i:
$(MAKE) -f CMakeFiles/static_block.dir/build.make CMakeFiles/static_block.dir/source/block.c.i
$(MAKE) -f CMakeFiles/shared_block.dir/build.make CMakeFiles/shared_block.dir/source/block.c.i
.PHONY : source/block.c.i
source/block.s: source/block.c.s
.PHONY : source/block.s
# target to generate assembly for a file
source/block.c.s:
$(MAKE) -f CMakeFiles/static_block.dir/build.make CMakeFiles/static_block.dir/source/block.c.s
$(MAKE) -f CMakeFiles/shared_block.dir/build.make CMakeFiles/shared_block.dir/source/block.c.s
.PHONY : source/block.c.s
# Help Target
help:
@echo "The following are some of the valid targets for this Makefile:"
@echo "... all (the default if no target is provided)"
@echo "... clean"
@echo "... depend"
@echo "... rebuild_cache"
@echo "... edit_cache"
@echo "... static_program"
@echo "... static_block"
@echo "... shared_program"
@echo "... shared_block"
@echo "... program.o"
@echo "... program.i"
@echo "... program.s"
@echo "... source/block.o"
@echo "... source/block.i"
@echo "... source/block.s"
.PHONY : help
#=============================================================================
# Special targets to cleanup operation of make.
# Special rule to run CMake to check the build system integrity.
# No rule that depends on this can have commands that come from listfiles
# because they might be regenerated.
cmake_check_build_system:
$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) --check-build-system CMakeFiles/Makefile.cmake 0
.PHONY : cmake_check_build_system