37 lines
1.1 KiB
CMake
37 lines
1.1 KiB
CMake
# Copyright 2017 the Monicelli project authors. All rights reserved.
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# Use of this source code is governed by a GPLv3 license, see LICENSE.txt.
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find_program(RAGEL_EXECUTABLE ragel)
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if (${RAGEL_EXECUTABLE} STREQUAL "RAGEL-NOTFOUND")
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message(FATAL_ERROR "Please install ragel to compile Monicelli.")
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else()
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message(STATUS "Found Ragel: ${RAGEL_EXECUTABLE}")
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endif()
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function(add_ragel_library name ragel_source)
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set(generated_source "${ragel_source}.cpp")
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set(extra_sources "${ARGN}")
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add_custom_command(
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OUTPUT "${generated_source}"
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MAIN_DEPENDENCY "${ragel_source}"
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COMMAND ${RAGEL_EXECUTABLE} -G2 "${CMAKE_CURRENT_SOURCE_DIR}/${ragel_source}" -o "${generated_source}"
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WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
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VERBATIM
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)
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add_library(${name} "${generated_source}" "${extra_sources}")
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set_target_properties(${name}
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PROPERTIES
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CXX_STANDARD 11
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CXX_STANDARD_REQUIRED true
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)
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# The lexer uses implicit fallthroughs all over, but it's OK.
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target_compile_options(${name} PRIVATE -Wno-implicit-fallthrough)
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target_include_directories(${name} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
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endfunction()
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