## CMakeLists.txt
##
## Copyright (C) 2006-2022 Christian Schenk
## 
## This file is free software; the copyright holder gives
## unlimited permission to copy and/or distribute it, with or
## without modifications, as long as this notice is preserved.

set(MIKTEX_CURRENT_FOLDER "${MIKTEX_IDE_KNUTH_FOLDER}/tex")

include_directories(BEFORE
    ${CMAKE_CURRENT_BINARY_DIR}
    ${CMAKE_CURRENT_SOURCE_DIR}
)

add_definitions(
    -DHAVE_C4P_PRE_H
)

default_char_type_is_unsigned()

set(C4P_FLAGS
    --chars-are-unsigned
    --emit-optimize-pragmas
)

set(tex_changefiles
    ${MIKTEX_TEX_MLTEX_CH}
    ${MIKTEX_TEX_CONSTANTS_CH}
    ${MIKTEX_TEX_CH}
    ${MIKTEX_TEX_HASH_CH}
    ${MIKTEX_TEX_HYPH_CH}
    ${MIKTEX_TEX_POOL_CH}
    ${MIKTEX_TEX_QUIET_CH}
    ${MIKTEX_TEX_SRC_CH}
    ${MIKTEX_TEX_STAT_CH}
    ${MIKTEX_TEX_WRITE18_CH}
    ${ENCTEX1_CH}
    ${ENCTEX_TEX_CH}
    ${ENCTEX2_CH}
    ${MIKTEX_TEX_ENCTEX_CH}
    ${MIKTEX_TEX_WEB2C_CH}
    ${MIKTEX_TEX_FINISH_CH}
)

add_custom_command(
    OUTPUT
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex-final.ch
    COMMAND
        ${MIKTEX_PREFIX}tie
        -c ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex-final.ch
        ${CMAKE_CURRENT_SOURCE_DIR}/source/tex.web
        ${tex_changefiles}
    MAIN_DEPENDENCY
        source/tex.web
    DEPENDS
        ${MIKTEX_PREFIX}tie
        ${tex_changefiles}
    VERBATIM
)

set(tex_change_file ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex-final.ch)

set(tex_target_name tex)

list(APPEND ${tex_target_name}_sources
    ${CMAKE_CURRENT_BINARY_DIR}/tex_pool.cpp
)

create_web_app(TeX)

add_custom_command(
    OUTPUT
        ${CMAKE_CURRENT_BINARY_DIR}/tex_pool.cpp
    COMMAND
        inipool
        ${CMAKE_CURRENT_BINARY_DIR}/tex.pool
        miktex-tex.h
        ${tex_progclass}
        ${tex_prog}
        > ${CMAKE_CURRENT_BINARY_DIR}/tex_pool.cpp
    WORKING_DIRECTORY
        ${CMAKE_CURRENT_BINARY_DIR}
    MAIN_DEPENDENCY
        ${CMAKE_CURRENT_BINARY_DIR}/tex.pool
    DEPENDS
        inipool
)

target_link_libraries(${tex_target_name}
    PRIVATE
        ${w2cemu_dll_name}
)

if(WITH_TRIPTEX)
    include(triptex.cmake)
endif()

## dev targets

add_custom_command(
    OUTPUT
        ${CMAKE_CURRENT_BINARY_DIR}/tex-n.web
    COMMAND
        web-n
        < ${CMAKE_CURRENT_SOURCE_DIR}/source/tex.web
        > ${CMAKE_CURRENT_BINARY_DIR}/tex-n.web
    WORKING_DIRECTORY
        ${CMAKE_CURRENT_BINARY_DIR}
    MAIN_DEPENDENCY
        source/tex.web
    DEPENDS
        web-n
    VERBATIM
)

add_custom_command(
    OUTPUT
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex.web
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex-n.web
    COMMAND
        ${MIKTEX_PREFIX}tie
        -m ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex.web
        ${CMAKE_CURRENT_SOURCE_DIR}/source/tex.web
        ${tex_change_file}
    COMMAND
        web-n
        < ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex.web
        > ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex-n.web
    WORKING_DIRECTORY
        ${CMAKE_CURRENT_BINARY_DIR}
    MAIN_DEPENDENCY
        source/tex.web
    DEPENDS
        ${MIKTEX_PREFIX}tie
        ${tex_change_file}
        web-n
    VERBATIM
)

add_custom_command(
    OUTPUT
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex.tex
    COMMAND
        ${MIKTEX_PREFIX}weave
        ${CMAKE_CURRENT_SOURCE_DIR}/source/tex.web
        ${tex_change_file}
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex.tex
    WORKING_DIRECTORY
        ${CMAKE_CURRENT_BINARY_DIR}
    MAIN_DEPENDENCY
        source/tex.web
    DEPENDS
        ${MIKTEX_PREFIX}weave
        ${tex_change_file}
    VERBATIM
)

add_custom_command(
    OUTPUT
        ${CMAKE_CURRENT_BINARY_DIR}/tex.tex
    COMMAND
        ${MIKTEX_PREFIX}weave
        ${CMAKE_CURRENT_SOURCE_DIR}/source/tex.web
        ${MIKTEX_DEV_NULL}
        ${CMAKE_CURRENT_BINARY_DIR}/tex.tex
    WORKING_DIRECTORY
        ${CMAKE_CURRENT_BINARY_DIR}
    MAIN_DEPENDENCY
        source/tex.web
    DEPENDS
        ${MIKTEX_PREFIX}weave
    VERBATIM
)

add_custom_target(tex-dev ALL
    DEPENDS
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex-n.web
        ${CMAKE_CURRENT_BINARY_DIR}/miktex-tex.tex
        ${CMAKE_CURRENT_BINARY_DIR}/tex-n.web
        ${CMAKE_CURRENT_BINARY_DIR}/tex.tex
)

set_property(TARGET tex-dev PROPERTY FOLDER ${MIKTEX_CURRENT_FOLDER})

option(
    MIKTEX_TEX_OPTIMIZATION_CHECKS
    "Create TeX optimization checks."
    FALSE
)

if(MIKTEX_TEX_OPTIMIZATION_CHECKS)
    include(optchecks.cmake)
endif()