#   Copyright 2012 Wolfgang Thaller.
#
#   This file is part of Retro68.
#
#   Retro68 is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   Retro68 is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with Retro68.  If not, see <http://www.gnu.org/licenses/>.

find_package(Boost COMPONENTS wave filesystem system thread regex program_options)

# Look for bison.
    # We need Version 3, and Mac OS X still comes with an outdated version (2.3).
    # So we just add the path where the homebrew package manager installs its
    # "keg-only" version. Shouldn't hurt on Linux.
set(CMAKE_PROGRAM_PATH ${CMAKE_PROGRAM_PATH} "/opt/homebrew/opt/bison/bin" "/usr/local/opt/bison/bin")
find_package(BISON 3.0.2)

if(NOT Boost_FOUND)
    message(FATAL_ERROR "The boost libraries have not been found.")
endif()

if(NOT BISON_FOUND)
    message(FATAL_ERROR "GNU Bison version 3.0.2 or later is required.")
endif()

include_directories(. ${CMAKE_CURRENT_BINARY_DIR})

set(BISON_OUTPUTS ${CMAKE_CURRENT_BINARY_DIR}/RezParser.generated.cc ${CMAKE_CURRENT_BINARY_DIR}/RezParser.generated.hh
    ${CMAKE_CURRENT_BINARY_DIR}/location.hh ${CMAKE_CURRENT_BINARY_DIR}/position.hh
    ${CMAKE_CURRENT_BINARY_DIR}/stack.hh)

add_custom_command(OUTPUT ${BISON_OUTPUTS}
        COMMAND ${BISON_EXECUTABLE}
        ARGS -o ${CMAKE_CURRENT_BINARY_DIR}/RezParser.generated.cc RezParser.yy
        DEPENDS RezParser.yy
        COMMENT "[BISON][RezParser] Building parser with bison ${BISON_VERSION}"
        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})


add_library(RezLib
        RezParser.yy
        ${BISON_OUTPUTS}

        RezLexer.h
        RezLexer.cc
        RezLexerWaveToken.h
        RezLexerNextToken.cc

        RezWorld.cc
        RezWorld.h

        ResourceDefinitions.cc
        ResourceDefinitions.h

        Expression.cc
        Expression.h

        ResourceCompiler.cc
        ResourceCompiler.h

        ResSpec.h

        Diagnostic.h Diagnostic.cc
    )
target_link_libraries(RezLib ResourceFiles ${Boost_LIBRARIES})
target_include_directories(RezLib PRIVATE ${Boost_INCLUDE_DIR})

add_executable(Rez
        Rez.cc
    )
target_link_libraries(Rez RezLib ResourceFiles ${Boost_LIBRARIES})
target_include_directories(Rez PRIVATE ${Boost_INCLUDE_DIR})

install(TARGETS Rez RUNTIME DESTINATION bin)

add_subdirectory(Test)