Support building with cmake

This should permit unification of the makefile and msbuild projects.

Author: tari

CMakeLists.txt

@@ -0,0 +1,90 @@
+cmake_minimum_required(VERSION 3.7)
+project(spasm-ng
+    HOMEPAGE_URL https://github.com/alberthdev/spasm-ng
+)
+
+add_compile_options(-Wall)
+
+add_executable(
+    spasm
+    main.cpp opcodes.cpp pass_one.cpp pass_two.cpp utils.cpp
+    export.cpp preop.cpp directive.cpp console.cpp expand_buf.cpp
+    hash.cpp list.cpp parser.cpp storage.cpp errors.cpp bitmap.cpp
+    modp_ascii.cpp opcodes_ez80.cpp
+)
+target_link_libraries(spasm m)
+
+# https://github.com/alberthdev/spasm-ng/issues/73
+set_property(TARGET spasm PROPERTY CXX_STANDARD 11)
+
+set(ENABLE_APP_SIGNING ON CACHE BOOL "Enable support for signing applications")
+if (ENABLE_APP_SIGNING)
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(gmp REQUIRED IMPORTED_TARGET gmp)
+    find_package(OpenSSL
+        REQUIRED
+        COMPONENTS Crypto)
+    target_link_libraries(spasm OpenSSL::Crypto PkgConfig::gmp)
+else()
+    add_compile_definitions(NO_APPSIGN)
+endif()
+
+set(ENABLE_DEBUG_PRINT OFF CACHE BOOL "Enable additional debug messages")
+if (ENABLE_DEBUG_PRINT)
+    add_compile_definitions(DEBUG_PRINT)
+endif()
+
+add_compile_definitions(
+    USE_REUSABLES
+    USE_BUILTIN_FCREATE
+)
+if (NOT WIN32)
+    add_compile_definitions(UNIXVER)
+endif()
+
+# Version generation
+find_package(Git)
+if (Git_FOUND)
+    execute_process(
+        COMMAND "${GIT_EXECUTABLE}" describe --always --dirty
+        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+        RESULT_VARIABLE res
+        OUTPUT_VARIABLE GIT_TREE_DESC
+        ERROR_QUIET
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+else()
+    set(GIT_TREE_DESC "unknown")
+endif()
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/version.h.in" "${CMAKE_CURRENT_BINARY_DIR}/version.h")
+target_include_directories(spasm
+    PRIVATE "${CMAKE_CURRENT_BINARY_DIR}"
+)
+# Trick from https://cmake.org/pipermail/cmake/2018-October/068389.html
+# to force a reconfigure on git change so the version string is always up to date
+set_property(GLOBAL APPEND
+    PROPERTY CMAKE_CONFIGURE_DEPENDS
+    "${CMAKE_SOURCE_DIR}/.git/index"
+)
+
+# Tests
+include(CTest)
+add_subdirectory(${PROJECT_SOURCE_DIR}/tests)
+
+# Install target
+include(GNUInstallDirs)
+install(TARGETS spasm)
+install(FILES README.md LICENSE
+    DESTINATION ${CMAKE_INSTALL_DOCDIR}/spasm
+)
+file(GLOB include_files "inc/*.inc")
+install(FILES ${include_files}
+    DESTINATION ${CMAKE_INSTALL_DATADIR}/spasm/inc
+)
+
+# Distribution packaging
+set(CPACK_PACKAGE_VERSION "${GIT_TREE_DESC}")
+set(CPACK_PACKAGE_DESCRIPTION "SPASM-ng is a z80 assembler with extra features to support development for TI calculators.")
+set(CPACK_PACKAGE_CONTACT "alberthdev@users.noreply.github.com")
+set(CPACK_DEBIAN_PACKAGE_DEPENDS "zlib1g, libssl1.0.0, libgmp10")
+include(CPack)

tests/CMakeLists.txt

@@ -0,0 +1,22 @@
+include(CTest)
+
+# A fixture that compiles the assembler so the test runner can run it
+add_test(test_build_assembler
+    "${CMAKE_COMMAND}"
+    --build "${CMAKE_BINARY_DIR}"
+    --config "$<CONFIG>"
+    --target spasm
+)
+set_tests_properties(test_build_assembler PROPERTIES FIXTURES_SETUP f_build_assembler)
+
+# Find every .asm file and run it under the test runner
+file(GLOB_RECURSE asm_files "*.asm")
+foreach(asm_file ${asm_files})
+    add_test(
+        NAME autotest_${asm_file}
+        COMMAND ${CMAKE_SOURCE_DIR}/tests/test-runner.py $<TARGET_FILE:spasm> ${asm_file}
+    )
+    SET_TESTS_PROPERTIES(autotest_${asm_file}
+        PROPERTIES
+        FIXTURES_REQUIRED f_build_assembler)
+endforeach()

version.h

@@ -0,0 +1 @@
+#define SPASM_NG_VERSION "@GIT_TREE_DESC@"