Modernize the cmake files

CMakeLists.txt

@@ -1,17 +1,86 @@
-cmake_minimum_required(VERSION 2.8)
+cmake_minimum_required(VERSION 3.13)
 
-project(anyoption)
+project(anyoption VERSION 1.0.0 LANGUAGES CXX)
 
-set(anyoption_SRCS
-  anyoption.cpp
-  )
+set(CMAKE_CXX_STANDARD 17)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+include(catch2)
 
-set(anyoption_HDRS
-  anyoption.h
-  )
+option(WARNING_AS_ERRORS "Treat any warning as compile time error" OFF)
+option(STATIC_ANALYZERS "Run static analyzers (clang-tidy, cppcheck) during compilation" ON)
+option(CODE_COVERAGE "Enable code coverage reports; requires compilation with clamg/llvm" ON)
 
-include_directories(
-  .
-  )
+if(WARNING_AS_ERRORS)
+  set(COMPILE_WARNING_AS_ERROR "-Werror")
+endif(WARNING_AS_ERRORS)
 
-add_library(anyoption SHARED ${anyoption_SRCS} ${anyoption_HDRS})
+if(STATIC_ANALYZERS)
+  find_program(CPPCHECK_COMMAND NAMES cppcheck)
+  set(CMAKE_CXX_CPPCHECK "${CPPCHECK_COMMAND};--quiet;--template=gcc;--suppress=*:*/*_autogen/*")
+endif(STATIC_ANALYZERS)
+
+add_library(${PROJECT_NAME})
+add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
+
+target_include_directories(${PROJECT_NAME}
+    PUBLIC
+    src/
+)
+
+target_compile_options(${PROJECT_NAME}
+  PRIVATE
+    ${COMPILE_WARNING_AS_ERROR}
+#    -Wall
+#    -Wextra
+#    -Wshadow
+#    -Wnon-virtual-dtor
+#    -pedantic
+#    -Wold-style-cast
+#    -Wcast-align
+#    -Wunused
+#    -Woverloaded-virtual
+#    -Wpedantic
+#    -Wconversion
+#    -Wsign-conversion
+#    -Wnull-dereference
+#    -Wdouble-promotion
+)
+
+target_sources(${PROJECT_NAME}
+    PRIVATE
+    src/anyoption.cpp
+    src/anyoption.h
+)
+
+#-------------------------------------------------------------------------------------------
+add_executable(${PROJECT_NAME}-test)
+
+target_sources(${PROJECT_NAME}-test
+    PRIVATE
+    tests/test.cpp
+)
+
+target_link_libraries(${PROJECT_NAME}-test
+    PUBLIC
+    anyoption::anyoption
+    catch2::catch2
+)
+
+if( STATIC_ANALYZERS )
+    set_target_properties(${PROJECT_NAME}-test PROPERTIES CXX_CPPCHECK "")
+endif(STATIC_ANALYZERS)
+
+add_test(${PROJECT_NAME}-test ${PROJECT_NAME}-test)
+
+#-------------------------------------------------------------------------------------------
+add_executable(${PROJECT_NAME}-demo)
+
+target_sources(${PROJECT_NAME}-demo
+    PRIVATE
+    demo/demo.cpp
+)
+
+target_link_libraries(${PROJECT_NAME}-demo
+    PUBLIC
+    anyoption::anyoption
+)

appveyor.yml

@@ -4,5 +4,5 @@ platform: x64
 build_script:
   - curl -fsSL -o catch.hpp https://github.com/catchorg/Catch2/releases/download/v2.2.3/catch.hpp
   - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars64.bat"
-  - cmd: cl /EHsc /W4 test.cpp anyoption.cpp
+  - cmd: cl /EHsc /W4 tests\test.cpp anyoption.cpp
   - cmd: test.exe

cmake/catch2.cmake

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.13)
+
+include(ExternalProject)
+
+set(repo_catch2 "https://github.com/catchorg/Catch2.git")
+message(STATUS "Repository for catch2: ${repo_catch2}")
+
+ExternalProject_add(extern-catch2
+    PREFIX ${CMAKE_BINARY_DIR}/catch2
+    GIT_REPOSITORY ${repo_catch2}
+    TIMEOUT 10
+    CONFIGURE_COMMAND ""
+    BUILD_COMMAND ""
+    INSTALL_COMMAND ""
+    LOG_DOWNLOAD ON
+    BUILD_BYPRODUCTS ${CMAKE_CURRENT_BINARY_DIR}/catch2/lib/${CMAKE_STATIC_LIBRARY_PREFIX}catch2${CMAKE_STATIC_LIBRARY_SUFFIX}
+)
+
+ExternalProject_Get_Property(extern-catch2 source_dir)
+add_library(catch INTERFACE)
+add_library(catch2::catch2 ALIAS catch)
+
+target_include_directories(catch INTERFACE ${source_dir}/single_include)
+
+add_dependencies(catch extern-catch2)

test.cpp → tests/test.cpp

@@ -7,7 +7,7 @@
  *
  */
 #include "anyoption.h"
-#include "catch.hpp"
+#include "catch2/catch.hpp"
 
 #include <fstream>
 #include <stdarg.h>

test.sh → tests/test.sh

@@ -8,7 +8,7 @@
 
 cppcheck --error-exitcode=1 --enable=warning,performance,information,style *.cpp *.h
 wget -q https://github.com/catchorg/Catch2/releases/download/v2.2.3/catch.hpp
-g++ -g -o0 -coverage -std=c++11 -Wall -Wextra -Werror test.cpp anyoption.cpp -o test
+g++ -g -o0 -coverage -std=c++11 -Wall -Wextra -Werror tests/test.cpp src/anyoption.cpp -o test
 valgrind --error-exitcode=1 --leak-check=full --show-leak-kinds=all ./test
 lcov --directory . --capture --output-file coverage.info
 lcov --remove coverage.info 'catch.hpp' '/usr/*' --output-file coverage.info