Transition to CMake, add installation and pkg-config

.github/workflows/test.yml

@@ -13,12 +13,12 @@ jobs:
         cpp11: [0, 1]
     steps:
       - uses: actions/checkout@v3
-      - run: make test WARN=1
+      - run: cmake ./ && make test
         env:
           CC: ${{ matrix.compiler }}
           CPP11: ${{ matrix.cpp11 }}
   macos:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
-      - run: make test WARN=1
+      - run: cmake ./ && make test

CMakeLists.txt

@@ -0,0 +1,29 @@
+cmake_minimum_required(VERSION 3.18)
+
+project(cpp-optparse)
+
+set(CMAKE_CXX_STANDARD 11)
+
+if ((CMAKE_CXX_COMPILER_ID MATCHES GNU) OR (CMAKE_CXX_COMPILER_ID MATCHES Clang))
+  set(CMAKE_CXX_FLAGS "-O3 -g -Wall -Wextra -Werror")
+# Not sure if these flags still apply to IntelLLVM
+elseif (CMAKE_CXX_COMPILER_ID MATCHES Intel)
+  set(CMAKE_CXX_FLAGS "-O3 -ipo -g -Wall -wd981 -wd383 -wd2259 -Werror")
+endif()
+
+add_library(cpp-optparse OptionParser.cpp OptionParser.h)
+
+add_executable(testprog testprog.cpp)
+
+target_link_libraries(testprog cpp-optparse)
+
+enable_testing()
+add_test(NAME Test COMMAND testprog "${CMAKE_SOURCE_DIR}/test.sh")
+
+include(GNUInstallDirs)
+
+configure_file("pkg-config.pc.in" "cpp-optparse.pc" @ONLY)
+
+install(TARGETS cpp-optparse)
+install(FILES OptionParser.h DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/")
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/cpp-optparse.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")

pkg-config.pc.in

@@ -0,0 +1,9 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+libdir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@
+includedir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: cpp-optparse
+Description: Python's excellent OptionParser in C++
+Version: 1.0
+Libs: -L${libdir} -lcpp-optparse
+Cflags: -I${includedir}