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set(platform_common_sources emcc.c)
set(platform_gui_libs)
set(platform_libs)
set(CMAKE_EXECUTABLE_SUFFIX ".js")
set(WASM ON
CACHE BOOL "Compile to WebAssembly rather than plain JavaScript")
# The minimal versions here are the ones that Puzzles' own JavaScript
# is written for. For most browsers, that's the earliest version with
# WebAssembly support according to https://caniuse.com/wasm. For
# Firefox we go back to Firefox 48 because that's what KaiOS 2.5 is
# based on.
set(MIN_FIREFOX_VERSION 48 CACHE STRING
"Oldest major version of Firefox to target")
set(MIN_SAFARI_VERSION 110000 CACHE STRING
"Oldest version of desktop Safari to target (XXYYZZ for version XX.YY.ZZ)")
set(MIN_CHROME_VERSION 57 CACHE STRING
"Oldest version of Chrome to target")
find_program(HALIBUT halibut)
if(NOT HALIBUT)
message(WARNING "HTML documentation cannot be built (did not find halibut)")
endif()
set(emcc_export_list
# Event handlers for mouse and keyboard input
_mouseup
_mousedown
_mousemove
_key
# Callback when the program activates timing
_timer_callback
# Callback from button presses in the UI outside the canvas
_command
# Text-formatting for copying to clipboard
_get_text_format
_free_text_format
# Game-saving and game-loading functions
_get_save_file
_free_save_file
_load_game
# Callbacks to return values from dialog boxes
_dlg_return_sval
_dlg_return_ival
# Callbacks when the resizing controls are used
_resize_puzzle
_restore_puzzle_size
# Callback when device pixel ratio changes
_rescale_puzzle
# Callback for loading user preferences
_prefs_load_callback
# Functions for allocating and freeing C memory
_malloc
_free
# Main program, run at initialisation time
_main)
list(TRANSFORM emcc_export_list PREPEND \")
list(TRANSFORM emcc_export_list APPEND \")
string(JOIN "," emcc_export_string ${emcc_export_list})
set(CMAKE_C_LINK_FLAGS "\
-s ALLOW_MEMORY_GROWTH=1 \
-s ENVIRONMENT=web \
-s EXPORTED_FUNCTIONS='[${emcc_export_string}]' \
-s EXPORTED_RUNTIME_METHODS='[cwrap]' \
-s MIN_FIREFOX_VERSION=${MIN_FIREFOX_VERSION} \
-s MIN_SAFARI_VERSION=${MIN_SAFARI_VERSION} \
-s MIN_CHROME_VERSION=${MIN_CHROME_VERSION} \
-s MIN_NODE_VERSION=0x7FFFFFFF \
-s STRICT_JS=1")
if(WASM)
set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -s WASM=1")
else()
set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -s WASM=0")
endif()
set(build_cli_programs FALSE)
set(build_gui_programs FALSE)
function(get_platform_puzzle_extra_source_files OUTVAR NAME AUXILIARY)
set(${OUTVAR} PARENT_SCOPE)
endfunction()
function(set_platform_gui_target_properties TARGET)
endfunction()
function(set_platform_puzzle_target_properties NAME TARGET)
em_link_pre_js(${TARGET} ${CMAKE_SOURCE_DIR}/emccpre.js)
em_link_js_library(${TARGET} ${CMAKE_SOURCE_DIR}/emcclib.js)
endfunction()
function(build_platform_extras)
if(HALIBUT)
set(help_dir ${CMAKE_CURRENT_BINARY_DIR}/help)
add_custom_command(OUTPUT ${help_dir}/en
COMMAND ${CMAKE_COMMAND} -E make_directory ${help_dir}/en)
add_custom_command(OUTPUT ${help_dir}/en/index.html
COMMAND ${HALIBUT} --html -Chtml-template-fragment:%k
${CMAKE_CURRENT_SOURCE_DIR}/puzzles.but
${CMAKE_CURRENT_SOURCE_DIR}/emcccopy.but
DEPENDS
${help_dir}/en
${CMAKE_CURRENT_SOURCE_DIR}/puzzles.but
${CMAKE_CURRENT_SOURCE_DIR}/emcccopy.but
WORKING_DIRECTORY ${help_dir}/en)
add_custom_target(kaios_help ALL
DEPENDS ${help_dir}/en/index.html)
endif()
# This is probably not the right way to set the destination.
set(CMAKE_INSTALL_PREFIX ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH
"Installation path" FORCE)
add_custom_target(kaios-extras ALL)
foreach(name ${puzzle_names})
add_custom_command(
OUTPUT ${name}-manifest.webapp
COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/kaios/manifest.pl
"${name}" "${displayname_${name}}" "${description_${name}}"
"${objective_${name}}" > "${name}-manifest.webapp"
VERBATIM
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/kaios/manifest.pl)
file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/kaios)
add_custom_command(
OUTPUT ${name}-kaios.html
COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/kaios/apppage.pl
"${name}" "${displayname_${name}}" > "${name}-kaios.html"
VERBATIM
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/kaios/apppage.pl)
add_custom_target(${name}-kaios-extras
DEPENDS ${name}-manifest.webapp ${name}-kaios.html)
add_dependencies(kaios-extras ${name}-kaios-extras)
install(TARGETS ${name} DESTINATION kaios/${name})
# Release builds generate an initial memory image alongside the
# JavaScript, but CMake doesn't seem to know about it to install
# it.
install(FILES $<TARGET_FILE:${name}>.mem OPTIONAL
DESTINATION kaios/${name})
install(FILES ${ICON_DIR}/${name}-56kai.png ${ICON_DIR}/${name}-112kai.png
DESTINATION kaios/${name} OPTIONAL)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}-kaios.html
RENAME ${name}.html
DESTINATION kaios/${name})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}-manifest.webapp
RENAME manifest.webapp
DESTINATION kaios/${name})
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/kaios/kaiads-glue.js
DESTINATION kaios/${name})
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/help OPTIONAL
DESTINATION kaios/${name})
endforeach()
endfunction()
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