summaryrefslogtreecommitdiffstats
path: root/CMakeLists.txt
blob: 121b0f2f844857b0e6594ff8a9f889c713d4ccaf (plain) (blame)
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
# CMake 3.2 required for cmake to know the right flags for CXX standard on OSX
cmake_minimum_required(VERSION 3.2)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/CMakeModules)

function(download_bundled_external remote_path lib_name prefix_var)
    set(prefix "${CMAKE_BINARY_DIR}/externals/${lib_name}")
    if (NOT EXISTS "${prefix}")
        message(STATUS "Downloading binaries for ${lib_name}...")
        file(DOWNLOAD
            https://github.com/citra-emu/ext-windows-bin/raw/master/${remote_path}${lib_name}.7z
            "${CMAKE_BINARY_DIR}/externals/${lib_name}.7z" SHOW_PROGRESS)
        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${CMAKE_BINARY_DIR}/externals/${lib_name}.7z"
            WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals")
    endif()
    message(STATUS "Using bundled binaries at ${prefix}")
    set(${prefix_var} "${prefix}" PARENT_SCOPE)
endfunction()

include(CheckSymbolExists)
function(detect_architecture symbol arch)
    if (NOT DEFINED ARCHITECTURE)
        set(CMAKE_REQUIRED_QUIET 1)
        check_symbol_exists("${symbol}" "" ARCHITECTURE_${arch})
        unset(CMAKE_REQUIRED_QUIET)

        # The output variable needs to be unique across invocations otherwise
        # CMake's crazy scope rules will keep it defined
        if (ARCHITECTURE_${arch})
            set(ARCHITECTURE "${arch}" PARENT_SCOPE)
            set(ARCHITECTURE_${arch} 1 PARENT_SCOPE)
            add_definitions(-DARCHITECTURE_${arch}=1)
        endif()
    endif()
endfunction()

project(citra)

option(ENABLE_SDL2 "Enable the SDL2 frontend" ON)
option(CITRA_USE_BUNDLED_SDL2 "Download bundled SDL2 binaries" OFF)

option(ENABLE_QT "Enable the Qt frontend" ON)
option(CITRA_USE_BUNDLED_QT "Download bundled Qt binaries" OFF)

if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git/hooks/pre-commit)
    message(STATUS "Copying pre-commit hook")
    file(COPY hooks/pre-commit
        DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/.git/hooks)
endif()

if (MSVC)
    detect_architecture("_M_AMD64" x86_64)
    detect_architecture("_M_IX86" x86)
    detect_architecture("_M_ARM" ARM)
else()
    detect_architecture("__x86_64__" x86_64)
    detect_architecture("__i386__" x86)
    detect_architecture("__arm__" ARM)
endif()
if (NOT DEFINED ARCHITECTURE)
    set(ARCHITECTURE "GENERIC")
    set(ARCHITECTURE_GENERIC 1)
    add_definitions(-DARCHITECTURE_GENERIC=1)
endif()
message(STATUS "Target architecture: ${ARCHITECTURE}")

set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if (NOT MSVC)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")

    if (MINGW)
        add_definitions(-DMINGW_HAS_SECURE_API)

        if (MINGW_STATIC_BUILD)
            add_definitions(-DQT_STATICPLUGIN)
            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static")
            set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
        endif()
    endif()
else()
    # Silence "deprecation" warnings
    add_definitions(/D_CRT_SECURE_NO_WARNINGS /D_CRT_NONSTDC_NO_DEPRECATE /D_SCL_SECURE_NO_WARNINGS)
    # Avoid windows.h junk
    add_definitions(/DNOMINMAX)

    # set up output paths for executable binaries (.exe-files, and .dll-files on DLL-capable platforms)
    set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
    set(CMAKE_CONFIGURATION_TYPES Debug Release CACHE STRING "" FORCE)

    # Tweak optimization settings
    # As far as I can tell, there's no way to override the CMake defaults while leaving user
    # changes intact, so we'll just clobber everything and say sorry.
    message(STATUS "Cache compiler flags ignored, please edit CMakeLists.txt to change the flags.")

    # /W3 - Level 3 warnings
    # /MP - Multi-threaded compilation
    # /Zi - Output debugging information
    # /Zo - enahnced debug info for optimized builds
    set(CMAKE_C_FLAGS   "/W3 /MP /Zi /Zo" CACHE STRING "" FORCE)
    # /EHsc - C++-only exception handling semantics
    set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} /EHsc" CACHE STRING "" FORCE)

    # /MDd - Multi-threaded Debug Runtime DLL
    set(CMAKE_C_FLAGS_DEBUG   "/Od /MDd" CACHE STRING "" FORCE)
    set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "" FORCE)

    # /O2 - Optimization level 2
    # /GS- - No stack buffer overflow checks
    # /MD - Multi-threaded runtime DLL
    set(CMAKE_C_FLAGS_RELEASE   "/O2 /GS- /MD" CACHE STRING "" FORCE)
    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "" FORCE)

    set(CMAKE_EXE_LINKER_FLAGS_DEBUG   "/DEBUG" CACHE STRING "" FORCE)
    set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /INCREMENTAL:NO /OPT:REF,ICF" CACHE STRING "" FORCE)
endif()

# Set file offset size to 64 bits.
#
# On modern Unixes, this is typically already the case. The lone exception is
# glibc, which may default to 32 bits. glibc allows this to be configured
# by setting _FILE_OFFSET_BITS.
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
    add_definitions(-D_FILE_OFFSET_BITS=64)
endif()

add_definitions(-DSINGLETHREADED)
# CMake seems to only define _DEBUG on Windows
set_property(DIRECTORY APPEND PROPERTY
    COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG> $<$<NOT:$<CONFIG:Debug>>:NDEBUG>)

find_package(PNG QUIET)
if (PNG_FOUND)
    add_definitions(-DHAVE_PNG)
else()
    message(STATUS "libpng not found. Some debugging features have been disabled.")
endif()

find_package(Boost 1.57.0 QUIET)
if (NOT Boost_FOUND)
    message(STATUS "Boost 1.57.0 or newer not found, falling back to externals")
    set(Boost_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/externals/boost")
endif()
include_directories(${Boost_INCLUDE_DIR})

# Include bundled CMake modules
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/externals/cmake-modules")

find_package(OpenGL REQUIRED)
include_directories(${OPENGL_INCLUDE_DIR})

# Prefer the -pthread flag on Linux.
set (THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)

if (ENABLE_SDL2)
    if (CITRA_USE_BUNDLED_SDL2)
        # Detect toolchain and platform
        if (MSVC14 AND ARCHITECTURE_x86_64)
            set(SDL2_VER "SDL2-2.0.5")
        else()
            message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable CITRA_USE_BUNDLED_SDL2 and provide your own.")
        endif()

        if (DEFINED SDL2_VER)
            download_bundled_external("sdl2/" ${SDL2_VER} SDL2_PREFIX)
        endif()

        set(SDL2_FOUND YES)
        set(SDL2_INCLUDE_DIR "${SDL2_PREFIX}/include" CACHE PATH "Path to SDL2 headers")
        set(SDL2_LIBRARY "${SDL2_PREFIX}/lib/x64/SDL2.lib" CACHE PATH "Path to SDL2 library")
        set(SDL2_DLL_DIR "${SDL2_PREFIX}/lib/x64/" CACHE PATH "Path to SDL2.dll")
    else()
        find_package(SDL2 REQUIRED)
    endif()
else()
    set(SDL2_FOUND NO)
endif()

IF (APPLE)
    FIND_LIBRARY(COCOA_LIBRARY Cocoa)           # Umbrella framework for everything GUI-related
    set(PLATFORM_LIBRARIES ${COCOA_LIBRARY} ${IOKIT_LIBRARY} ${COREVIDEO_LIBRARY})

    if (CMAKE_CXX_COMPILER_ID STREQUAL Clang)
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
    endif()
ELSEIF (WIN32)
    # WSAPoll and SHGetKnownFolderPath (AppData/Roaming) didn't exist before WinNT 6.x (Vista)
    add_definitions(-D_WIN32_WINNT=0x0600 -DWINVER=0x0600)
    set(PLATFORM_LIBRARIES winmm ws2_32)
    IF (MINGW)
        # PSAPI is the Process Status API
        set(PLATFORM_LIBRARIES ${PLATFORM_LIBRARIES} psapi imm32 version)
    ENDIF (MINGW)
ELSEIF (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
    set(PLATFORM_LIBRARIES rt)
ENDIF (APPLE)

# MINGW: GCC does not support codecvt, so use iconv instead
if (UNIX OR MINGW)
    find_library(ICONV_LIBRARY NAMES iconv)
    if (ICONV_LIBRARY)
        list(APPEND PLATFORM_LIBRARIES ${ICONV_LIBRARY})
    endif()
endif()

if (ENABLE_QT)
    if (CITRA_USE_BUNDLED_QT)
        if (MSVC14 AND ARCHITECTURE_x86_64)
            set(QT_VER qt-5.7-msvc2015_64)
        else()
            message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable CITRA_USE_BUNDLED_QT and provide your own.")
        endif()

        if (DEFINED QT_VER)
            download_bundled_external("qt/" ${QT_VER} QT_PREFIX)
        endif()

        set(QT_PREFIX_HINT HINTS "${QT_PREFIX}")
    else()
        # Passing an empty HINTS seems to cause default system paths to get ignored in CMake 2.8 so
        # make sure to not pass anything if we don't have one.
        set(QT_PREFIX_HINT)
    endif()

    find_package(Qt5 REQUIRED COMPONENTS Widgets OpenGL ${QT_PREFIX_HINT})
    set(CITRA_QT_LIBS Qt5::Widgets Qt5::OpenGL)
endif()

# This function should be passed a list of all files in a target. It will automatically generate
# file groups following the directory hierarchy, so that the layout of the files in IDEs matches the
# one in the filesystem.
function(create_directory_groups)
    # Place any files that aren't in the source list in a separate group so that they don't get in
    # the way.
    source_group("Other Files" REGULAR_EXPRESSION ".")

    foreach(file_name ${ARGV})
        get_filename_component(dir_name "${file_name}" PATH)
        # Group names use '\' as a separator even though the entire rest of CMake uses '/'...
        string(REPLACE "/" "\\" group_name "${dir_name}")
        source_group("${group_name}" FILES "${file_name}")
    endforeach()
endfunction()

# generate git revision information
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
git_describe(GIT_DESC --always --long --dirty)
git_branch_name(GIT_BRANCH)

set(INI_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/externals/inih")
include_directories(${INI_PREFIX})
add_subdirectory(${INI_PREFIX})

add_subdirectory(externals)

option(DYNARMIC_TESTS OFF)
set(DYNARMIC_NO_BUNDLED_FMT ON)
add_subdirectory(externals/dynarmic)

add_subdirectory(externals/glad)
include_directories(externals/microprofile)
include_directories(externals/nihstro/include)

if (MSVC)
    add_subdirectory(externals/getopt)
endif()

# process subdirectories
add_subdirectory(externals/soundtouch)

enable_testing()

add_subdirectory(src)

# Install freedesktop.org metadata files, following those specifications:
# http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
# http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html
# http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html
if(ENABLE_QT AND UNIX AND NOT APPLE)
    install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.desktop"
            DESTINATION "${CMAKE_INSTALL_PREFIX}/share/applications")
    install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.svg"
            DESTINATION "${CMAKE_INSTALL_PREFIX}/share/pixmaps")
    install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.xml"
            DESTINATION "${CMAKE_INSTALL_PREFIX}/share/mime/packages")
endif()

if(UNIX)
    if(ENABLE_SDL2)
        install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.6"
                DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6")
    endif()

    if (ENABLE_QT)
        install(FILES "${CMAKE_SOURCE_DIR}/dist/citra-qt.6"
                DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6")
    endif()
endif()