summaryrefslogtreecommitdiff
path: root/CMakeLists.txt
blob: ecfbe408c66b82d69a314c6fac74905f09b00764 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
cmake_minimum_required(VERSION 3.9)

if(NOT BINARY_NAME)
    set(BINARY_NAME openttd)
endif()

project(${BINARY_NAME}
    VERSION 1.12.0
)

if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
    message(FATAL_ERROR "In-source builds not allowed. Please run \"cmake ..\" from the build directory. You may need to delete \"${CMAKE_SOURCE_DIR}/CMakeCache.txt\" first.")
endif()

# Debug mode by default.
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE Debug)
endif()

if (EMSCRIPTEN)
    set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/os/emscripten/cmake")
endif()

set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9)

# Use GNUInstallDirs to allow customisation
# but set our own default data and bin dir
if(NOT CMAKE_INSTALL_DATADIR)
    set(CMAKE_INSTALL_DATADIR "share/games")
endif()
if(NOT CMAKE_INSTALL_BINDIR)
    set(CMAKE_INSTALL_BINDIR "games")
endif()
include(GNUInstallDirs)

include(Options)
set_options()
set_directory_options()

include(Static)
set_static_if_needed()

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)

set(CMAKE_EXPORT_COMPILE_COMMANDS YES)

# An empty target for the tools
add_custom_target(tools)

include(Endian)
add_endian_definition()

include(CompileFlags)
compile_flags()

if(APPLE OR UNIX)
    add_definitions(-DUNIX)
endif()

if(UNIX)
    find_package(Doxygen)
endif()

list(APPEND GENERATED_SOURCE_FILES "${CMAKE_BINARY_DIR}/generated/rev.cpp")
if(WIN32)
    list(APPEND GENERATED_SOURCE_FILES "${CMAKE_BINARY_DIR}/generated/ottdres.rc")
endif()

# Generate a target to determine version, which is execute every 'make' run
add_custom_target(find_version
        ${CMAKE_COMMAND}
                -DFIND_VERSION_BINARY_DIR=${CMAKE_BINARY_DIR}/generated
                -DCPACK_BINARY_DIR=${CMAKE_BINARY_DIR}
                -DREV_MAJOR=${PROJECT_VERSION_MAJOR}
                -DREV_MINOR=${PROJECT_VERSION_MINOR}
                -DREV_BUILD=${PROJECT_VERSION_PATCH}
                -P "${CMAKE_SOURCE_DIR}/cmake/scripts/FindVersion.cmake"
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        BYPRODUCTS ${GENERATED_SOURCE_FILES}
)

# Documentation
if(DOXYGEN_EXECUTABLE)
    add_custom_target(docs)
    add_custom_target(docs_source
        ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/docs
        COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/Doxyfile
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
        COMMENT "Generating documentation for source"
    )
    add_dependencies(docs_source
        find_version
    )
    add_dependencies(docs
        docs_source
    )
endif()

include(AddCustomXXXTimestamp)

if(OPTION_TOOLS_ONLY)
    if(HOST_BINARY_DIR)
        unset(HOST_BINARY_DIR CACHE)
    endif()
    add_subdirectory(${CMAKE_SOURCE_DIR}/src)
    return()
endif()

if(APPLE)
	# Avoid searching for headers in Frameworks, and libraries in LIBDIR.
	set(CMAKE_FIND_FRAMEWORK LAST)
endif()

# Prefer -pthread over -lpthread, which is often the better option of the two.
set(CMAKE_THREAD_PREFER_PTHREAD YES)
# Make sure we have Threads available.
find_package(Threads REQUIRED)

find_package(ZLIB)
find_package(LibLZMA)
find_package(LZO)
find_package(PNG)

if(NOT OPTION_DEDICATED)
    if(NOT WIN32)
        find_package(Allegro)
        if(NOT APPLE)
            find_package(Freetype)
            find_package(SDL2)
            if(NOT SDL2_FOUND)
                find_package(SDL)
            endif()
            find_package(Fluidsynth)
            find_package(Fontconfig)
            find_package(ICU OPTIONAL_COMPONENTS i18n lx)
        endif()
    endif()
endif()
if(APPLE)
    find_package(Iconv)

    find_library(AUDIOTOOLBOX_LIBRARY AudioToolbox)
    find_library(AUDIOUNIT_LIBRARY AudioUnit)
    find_library(COCOA_LIBRARY Cocoa)
    find_library(QUARTZCORE_LIBRARY QuartzCore)
endif()

if(NOT EMSCRIPTEN AND NOT OPTION_DEDICATED)
    find_package(OpenGL COMPONENTS OpenGL)
endif()

if(MSVC)
    find_package(Editbin REQUIRED)
endif()

find_package(SSE)
find_package(Xaudio2)

find_package(Grfcodec)

include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_FOUND)

show_options()

if(UNIX AND NOT APPLE AND NOT OPTION_DEDICATED)
    if(NOT SDL_FOUND AND NOT SDL2_FOUND AND NOT ALLEGRO_FOUND)
        message(FATAL_ERROR "SDL, SDL2 or Allegro is required for this platform")
    endif()
endif()
if(APPLE)
    if(NOT AUDIOTOOLBOX_LIBRARY)
        message(FATAL_ERROR "AudioToolbox is required for this platform")
    endif()
    if(NOT AUDIOUNIT_LIBRARY)
        message(FATAL_ERROR "AudioUnit is required for this platform")
    endif()
    if(NOT COCOA_LIBRARY)
        message(FATAL_ERROR "Cocoa is required for this platform")
    endif()
    if(NOT QUARTZCORE_LIBRARY)
        message(FATAL_ERROR "QuartzCore is required for this platform")
    endif()
endif()

if(OPTION_PACKAGE_DEPENDENCIES)
    if(NOT UNIX)
        message(FATAL_ERROR "Can only package dependencies on Linux")
    endif()
    if(OPTION_INSTALL_FHS)
        message(FATAL_ERROR "Cannot install in FHS folders when we are packaging dependencies")
    endif()
    if(${CMAKE_VERSION} VERSION_LESS "3.16.0")
        message(FATAL_ERROR "OPTION_PACKAGE_DEPENDENCIES can only work with CMake 3.16+; you are using ${CMAKE_VERSION}")
    endif()

    # If we are packaging dependencies, we do two things:
    # 1) set the RPATH to include $ORIGIN/lib; $ORIGIN (that literal string)
    #    is a Linux indicator for "path where application is". In CMake, we
    #    have to do this before add_executable() is executed.
    # 2) copy the libraries that we compile against to the "lib" folder.
    #    This is done in InstallAndPackage.cmake.
    set(CMAKE_INSTALL_RPATH "\$ORIGIN/lib")
    set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
endif()

include(SourceList)

# Needed by rev.cpp
include_directories(${CMAKE_SOURCE_DIR}/src)
# Needed by everything that uses Squirrel
include_directories(${CMAKE_SOURCE_DIR}/src/3rdparty/squirrel/include)

include(MSVCFilters)

add_executable(openttd WIN32 ${GENERATED_SOURCE_FILES})
set_target_properties(openttd PROPERTIES OUTPUT_NAME "${BINARY_NAME}")
# All other files are added via target_sources()

if(MSVC)
    # Add DPI manifest to project; other WIN32 targets get this via ottdres.rc
    target_sources(openttd PRIVATE "${CMAKE_SOURCE_DIR}/os/windows/openttd.manifest")
endif()

add_subdirectory(${CMAKE_SOURCE_DIR}/bin)
add_subdirectory(${CMAKE_SOURCE_DIR}/src)
add_subdirectory(${CMAKE_SOURCE_DIR}/media)

add_dependencies(openttd
    find_version)

target_link_libraries(openttd
    openttd::languages
    openttd::settings
    openttd::media
    openttd::basesets
    openttd::script_api
    Threads::Threads
)

if(IPO_FOUND)
    set_target_properties(openttd PROPERTIES INTERPROCEDURAL_OPTIMIZATION_RELEASE True)
    set_target_properties(openttd PROPERTIES INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL True)
    set_target_properties(openttd PROPERTIES INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO True)
endif()
set_target_properties(openttd PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "${CMAKE_BINARY_DIR}")
process_compile_flags()

include(LinkPackage)
link_package(PNG TARGET PNG::PNG ENCOURAGED)
link_package(ZLIB TARGET ZLIB::ZLIB ENCOURAGED)
link_package(LIBLZMA TARGET LibLZMA::LibLZMA ENCOURAGED)
link_package(LZO)

if(NOT OPTION_DEDICATED)
    link_package(Fluidsynth)
    link_package(SDL)
    link_package(SDL2 TARGET SDL2::SDL2)
    link_package(Allegro)
    link_package(FREETYPE TARGET Freetype::Freetype)
    link_package(Fontconfig TARGET Fontconfig::Fontconfig)
    link_package(ICU_lx)
    link_package(ICU_i18n)

    if(SDL2_FOUND AND OPENGL_FOUND AND UNIX)
        # SDL2 dynamically loads OpenGL if needed, so do not link to OpenGL when
        # on Linux. For Windows, we need to link to OpenGL as we also have a win32
        # driver using it.
        add_definitions(-DWITH_OPENGL)
        message(STATUS "OpenGL found -- -DWITH_OPENGL -- (via SDL2)")
    else()
        link_package(OpenGL TARGET OpenGL::GL)
    endif()
endif()

if(APPLE)
    link_package(Iconv TARGET Iconv::Iconv)

    target_link_libraries(openttd
        ${AUDIOTOOLBOX_LIBRARY}
        ${AUDIOUNIT_LIBRARY}
        ${COCOA_LIBRARY}
        ${QUARTZCORE_LIBRARY}
    )

    add_definitions(
        -DWITH_COCOA
    )
endif()

if(EMSCRIPTEN)
    add_library(WASM::WASM INTERFACE IMPORTED)

    # Allow heap-growth, and start with a bigger memory size.
    target_link_libraries(WASM::WASM INTERFACE "-s ALLOW_MEMORY_GROWTH=1")
    target_link_libraries(WASM::WASM INTERFACE "-s INITIAL_MEMORY=33554432")
    target_link_libraries(WASM::WASM INTERFACE "-s DISABLE_EXCEPTION_CATCHING=0")
    add_definitions(-s DISABLE_EXCEPTION_CATCHING=0)

    # Export functions to Javascript.
    target_link_libraries(WASM::WASM INTERFACE "-s EXPORTED_FUNCTIONS='[\"_main\", \"_em_openttd_add_server\"]' -s EXTRA_EXPORTED_RUNTIME_METHODS='[\"cwrap\"]'")

    # Preload all the files we generate during build.
    # As we do not compile with FreeType / FontConfig, we also have no way to
    # render several languages (like Chinese, ..), so where do you draw the
    # line what languages to include and which not? In the end, especially as
    # the more languages you add the slower downloading becomes, we decided to
    # only ship the English language.
    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/baseset@/baseset")
    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_BINARY_DIR}/lang/english.lng@/lang/english.lng")
    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/ai@/ai")
    target_link_libraries(WASM::WASM INTERFACE "--preload-file ${CMAKE_SOURCE_DIR}/bin/game@/game")

    # We use IDBFS for persistent storage.
    target_link_libraries(WASM::WASM INTERFACE "-lidbfs.js")

    # Use custom pre-js and shell.html.
    target_link_libraries(WASM::WASM INTERFACE "--pre-js ${CMAKE_SOURCE_DIR}/os/emscripten/pre.js")
    target_link_libraries(WASM::WASM INTERFACE "--shell-file ${CMAKE_SOURCE_DIR}/os/emscripten/shell.html")

    # Build the .html (which builds the .js, .wasm, and .data too).
    set_target_properties(openttd PROPERTIES SUFFIX ".html")
    target_link_libraries(openttd WASM::WASM)
endif()

if(NOT PERSONAL_DIR STREQUAL "(not set)")
    add_definitions(
        -DWITH_PERSONAL_DIR
        -DPERSONAL_DIR="${PERSONAL_DIR}"
    )
endif()

if(NOT SHARED_DIR STREQUAL "(not set)")
    add_definitions(
        -DWITH_SHARED_DIR
        -DSHARED_DIR="${SHARED_DIR}"
    )
endif()

if(NOT GLOBAL_DIR STREQUAL "(not set)")
    add_definitions(
        -DGLOBAL_DATA_DIR="${GLOBAL_DIR}"
    )
endif()

link_package(SSE)

add_definitions_based_on_options()

if(WIN32)
    add_definitions(
        -DUNICODE
        -D_UNICODE
        -DWITH_UNISCRIBE
    )

    target_link_libraries(openttd
        ws2_32
        winmm
        imm32
    )
endif()

if(CMAKE_SIZEOF_VOID_P EQUAL 8)
    add_definitions(-D_SQ64)
endif()

include(CreateRegression)
create_regression()

if(APPLE OR WIN32)
    find_package(Pandoc)
endif()

include(InstallAndPackage)