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DRC180c0162010-10-27 07:20:27 +00001#
2# Setup
3#
4
5cmake_minimum_required(VERSION 2.6)
6
Pierre Ossman7f443262011-03-08 13:06:46 +00007include(CheckIncludeFiles)
8include(CheckFunctionExists)
9include(CheckTypeSize)
10include(CheckCSourceCompiles)
Pierre Ossman89f868a2011-04-11 11:59:31 +000011include(CheckCXXSourceCompiles)
Pierre Ossman7f443262011-03-08 13:06:46 +000012
DRC180c0162010-10-27 07:20:27 +000013project(TigerVNC)
14set(VERSION 1.0.90)
15
16# The RC version must always be four comma-separated numbers
17set(RCVERSION 1,0,90,0)
18
Pierre Ossman5156d5e2011-03-09 09:42:34 +000019# Manual toggle until we can deprecate the old viewers
20option(BUILD_NEW_VNCVIEWER "Build the new FLTK based vncviewer instead of the old ones")
21
Pierre Ossman8f64ef72011-03-08 16:32:49 +000022# Compatibility variables for the migration from autotools
23add_definitions(-DPACKAGE_NAME="${CMAKE_PROJECT_NAME}")
24add_definitions(-DPACKAGE_VERSION="${VERSION}")
25add_definitions(-DLOCALEDIR="${CMAKE_INSTALL_PREFIX}/share/locale")
26
Pierre Ossmane8115162011-03-03 12:51:38 +000027# Try to encode today's date into the build id. We assume that MSVC
28# means we need to use a native Windows method, otherwise we assume
29# some kind of Unix system. The id will be empty if things fail.
30set(BUILD "")
31if(MSVC)
DRC180c0162010-10-27 07:20:27 +000032 execute_process(COMMAND "${CMAKE_SOURCE_DIR}/cmakescripts/getdate.bat"
33 OUTPUT_VARIABLE BUILD)
DRC180c0162010-10-27 07:20:27 +000034else()
Pierre Ossmane8115162011-03-03 12:51:38 +000035 execute_process(COMMAND "date" "+%Y%m%d" OUTPUT_VARIABLE BUILD)
36endif()
37
38if(NOT BUILD)
39 set(BUILD "")
40else()
41 string(REGEX REPLACE "\n" "" BUILD ${BUILD})
DRC180c0162010-10-27 07:20:27 +000042endif()
43
Pierre Ossman2c66a632011-03-03 12:52:59 +000044# Default to optimised builds instead of debug ones. Our code has no bugs ;)
45# (CMake makes it fairly easy to toggle this back to Debug if needed)
DRC180c0162010-10-27 07:20:27 +000046if(NOT CMAKE_BUILD_TYPE)
47 set(CMAKE_BUILD_TYPE Release)
48endif()
49
50message(STATUS "CMAKE_BUILD_TYPE = ${CMAKE_BUILD_TYPE}")
51
52# This only works if building from the command line. There is currently no way
53# to set a variable's value based on the build type when using the MSVC IDE.
54if(CMAKE_BUILD_TYPE STREQUAL "Debug")
55 set(BUILD "${BUILD}d")
56endif()
57
58message(STATUS "VERSION = ${VERSION}, BUILD = ${BUILD}")
59
60if(NOT DEFINED BUILD_WINVNC)
61 if(MSVC)
62 set(BUILD_WINVNC 1)
63 else()
64 set(BUILD_WINVNC 0)
65 endif()
66endif()
67
68if(MSVC)
69 # Use the static C library for all build types
70 foreach(var CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
71 CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
72 CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
73 CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
74 if(${var} MATCHES "/MD")
75 string(REGEX REPLACE "/MD" "/MT" ${var} "${${var}}")
76 endif()
77 endforeach()
78
79 # NOTE: 4244 and 4267 are 64-bit to 32-bit conversion warnings, so normally
80 # it is not a good idea to disable them, but we do this to duplicate the
81 # behavior of GCC, which is less strict.
82 add_definitions(-wd4244 -wd4267 -wd4800 -wd4996)
83endif()
84
Pierre Ossman9640f442011-03-08 13:12:33 +000085# Minimum version is Windows 2000 (5.0)
86if(NOT CMAKE_SIZEOF_VOID_P MATCHES 8)
87 add_definitions(-D_WIN32_IE=0x0500 -D_WIN32_WINNT=0x0500)
88else()
89 # Win64 doesn't like us requesting a Windows version that didn't have
90 # 64-bit support. Request XP (5.1) instead.
91 add_definitions(-D_WIN32_IE=0x0501 -D_WIN32_WINNT=0x0501)
92endif()
93
Pierre Ossman69314c72011-03-08 12:18:13 +000094if(CMAKE_SIZEOF_VOID_P MATCHES 8)
DRC180c0162010-10-27 07:20:27 +000095 message(STATUS "64-bit build")
96else()
97 message(STATUS "32-bit build")
98endif()
99
100# CMake doesn't properly support resource compilation with MinGW. Boo!
101if(MINGW)
102 if(NOT DEFINED RC)
103 set(CMAKE_RC_COMPILER_INIT windres)
104 else()
105 set(CMAKE_RC_COMPILER_INIT ${RC})
106 endif()
107 enable_language(RC)
108 message(STATUS "Resource compiler: ${CMAKE_RC_COMPILER}")
109 set(CMAKE_RC_COMPILE_OBJECT
110 "<CMAKE_RC_COMPILER> <FLAGS> <DEFINES> -o <OBJECT> --output-format=coff <SOURCE>")
111endif()
112
Pierre Ossman8f64ef72011-03-08 16:32:49 +0000113# X11 stuff. It's in a if() so that we can say REQUIRED
114if(UNIX)
115 find_package(X11 REQUIRED)
116endif()
117
Pierre Ossmana7769f22011-03-03 09:44:49 +0000118# Check for zlib
119find_package(ZLIB)
120option(USE_INCLUDED_ZLIB "Force use of the bundled zlib")
121if(NOT ZLIB_FOUND)
122 message(STATUS "System zlib not found. Using included zlib")
123 set(USE_INCLUDED_ZLIB 1)
124endif()
125
Pierre Ossman4c6bd4c2011-03-03 09:55:21 +0000126# Check for libjpeg
127find_package(JPEG REQUIRED)
128
Pierre Ossman6fa07492011-03-04 11:35:24 +0000129# Warn if it doesn't seem to be the accelerated libjpeg that's found
Pierre Ossman6fa07492011-03-04 11:35:24 +0000130check_c_source_compiles("#include <stdio.h>\n#include <jpeglib.h>\nint main(int c, char** v) { return JCS_EXT_RGBX; }" FOUND_JPEG_TURBO)
131if(NOT FOUND_JPEG_TURBO)
132 message(STATUS "WARNING: You are not using libjpeg-turbo. Performance will suffer.")
133endif()
134
Pierre Ossman5156d5e2011-03-09 09:42:34 +0000135# Check for FLTK
136if(BUILD_NEW_VNCVIEWER)
137 set(FLTK_SKIP_FLUID TRUE)
138 set(FLTK_SKIP_OPENGL TRUE)
139 find_package(FLTK COMPONENTS REQUIRED)
Pierre Ossman89f868a2011-04-11 11:59:31 +0000140
141 # FLTK STR #2599
142 set(CMAKE_REQUIRED_INCLUDES ${FLTK_INCLUDE_DIR})
143 set(CMAKE_REQUIRED_LIBRARIES ${FLTK_LIBRARIES})
144 check_cxx_source_compiles("#include <FL/Fl.H>\nint main(int c, char** v) { Fl::event_compose_symbol(); return 0; }" HAVE_FLTK_DEAD_KEYS)
145 set(CMAKE_REQUIRED_INCLUDES)
146 set(CMAKE_REQUIRED_LIBRARIES)
Pierre Ossman5156d5e2011-03-09 09:42:34 +0000147endif()
148
Adam Tkac125bd252011-01-19 14:20:34 +0000149# Check for GNUTLS library
150find_package(GnuTLS)
151if(GNUTLS_FOUND)
152 include_directories(${GNUTLS_INCLUDE_DIR})
153 add_definitions("-DHAVE_GNUTLS")
154 add_definitions(${GNUTLS_DEFINITIONS})
Henrik Andersson2a032ad2011-03-08 15:32:24 +0000155
156 # Detect old version of GnuTLS
157 set(CMAKE_EXTRA_INCLUDE_FILES gnutls/gnutls.h)
158 set(CMAKE_REQUIRED_LIBRARIES gnutls)
159 check_function_exists(gnutls_transport_set_global_errno HAVE_OLD_GNUTLS)
160 check_function_exists(gnutls_x509_crt_print HAVE_GNUTLS_X509_CRT_PRINT)
Pierre Ossmand0f0f032011-03-08 15:37:34 +0000161 check_type_size(gnutls_x509_crt_t GNUTLS_X509_CRT_T)
Henrik Andersson2a032ad2011-03-08 15:32:24 +0000162 check_type_size(gnutls_datum_t GNUTLS_DATUM_T)
163 check_type_size(gnutls_pk_algorithm_t GNUTLS_PK_ALGORITHM_T)
164 check_type_size(gnutls_sign_algorithm_t GNUTLS_SIGN_ALGORITHM_T)
165 set(CMAKE_EXTRA_INCLUDE_FILES)
166 set(CMAKE_REQUIRED_LIBRARIES)
Adam Tkac125bd252011-01-19 14:20:34 +0000167endif()
168
Pierre Ossmanee0e3622011-03-08 13:08:15 +0000169# Check for socket functions
Henrik Anderssone1fd8e12011-03-08 13:00:12 +0000170if(WIN32)
Pierre Ossman0153e232011-03-08 13:05:27 +0000171 set(CMAKE_EXTRA_INCLUDE_FILES winsock2.h ws2tcpip.h)
Henrik Anderssone1fd8e12011-03-08 13:00:12 +0000172 set(CMAKE_REQUIRED_LIBRARIES ws2_32)
Pierre Ossman0153e232011-03-08 13:05:27 +0000173else()
174 set(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
Henrik Anderssone1fd8e12011-03-08 13:00:12 +0000175endif()
DRC63758092010-11-09 19:24:12 +0000176check_function_exists(inet_aton HAVE_INET_ATON)
177check_function_exists(inet_ntop HAVE_INET_NTOP)
Henrik Anderssone1fd8e12011-03-08 13:00:12 +0000178check_type_size(socklen_t SOCKLEN_T)
DRC63758092010-11-09 19:24:12 +0000179set(CMAKE_EXTRA_INCLUDE_FILES)
180set(CMAKE_REQUIRED_LIBRARIES)
Pierre Ossmanee0e3622011-03-08 13:08:15 +0000181
182# Check for the newer standard string functions
DRC63758092010-11-09 19:24:12 +0000183check_function_exists(snprintf HAVE_SNPRINTF)
184check_function_exists(strcasecmp HAVE_STRCASECMP)
185check_function_exists(strncasecmp HAVE_STRNCASECMP)
186check_function_exists(vsnprintf HAVE_VSNPRINTF)
Pierre Ossmanee0e3622011-03-08 13:08:15 +0000187
188# Generate config.h and make sure the source finds it
DRC63758092010-11-09 19:24:12 +0000189configure_file(config.h.cmake.in config.h)
190add_definitions(-DHAVE_CONFIG_H)
191include_directories(${CMAKE_BINARY_DIR})
DRC180c0162010-10-27 07:20:27 +0000192
DRC180c0162010-10-27 07:20:27 +0000193add_subdirectory(common)
Pierre Ossman8f64ef72011-03-08 16:32:49 +0000194
195if(WIN32)
196 add_subdirectory(win)
197else()
198 add_subdirectory(unix)
199endif()
Pierre Ossman5156d5e2011-03-09 09:42:34 +0000200
201if(BUILD_NEW_VNCVIEWER)
202 add_subdirectory(vncviewer)
203endif()