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source: code/branches/mac_osx/cmake/CompilerConfigMSVC.cmake @ 7823

Last change on this file since 7823 was 7520, checked in by rgrieder, 14 years ago

Added some useful compiler options found in the Ogre build system.
SSE for GCC and fp:fast for MSVC are commented (not tested yet).

  • Property svn:eol-style set to native
File size: 6.1 KB
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1 #
2 #             ORXONOX - the hottest 3D action shooter ever to exist
3 #                             > www.orxonox.net <
4 #
5 #        This program is free software; you can redistribute it and/or
6 #         modify it under the terms of the GNU General Public License
7 #        as published by the Free Software Foundation; either version 2
8 #            of the License, or (at your option) any later version.
9 #
10 #       This program is distributed in the hope that it will be useful,
11 #        but WITHOUT ANY WARRANTY; without even the implied warranty of
12 #        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 #                 GNU General Public License for more details.
14 #
15 #   You should have received a copy of the GNU General Public License along
16 #      with this program; if not, write to the Free Software Foundation,
17 #     Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18 #
19 #
20 #  Author:
21 #    Reto Grieder
22 #  Description:
23 #    Sets the right compiler and linker flags for the Microsoft Compiler.
24 #
25
26INCLUDE(FlagUtilities)
27
28################### Compiler Version ####################
29
30# We make use of variadic macros, which is only supported by MSVC 8 and above
31IF(MSVC_VERSION LESS 1400)
32  MESSAGE(FATAL_ERROR "Microsoft Visual Studio versions below 8 (2005) are not supported because of missing compiler extensions.")
33ENDIF()
34
35
36######################## Options ########################
37
38# Currently VLD has a problem with MSVC9 although it actually is supported
39IF(MSVC80)
40  OPTION(VISUAL_LEAK_DETECTOR_ENABLE "Memory leak detector" off)
41ENDIF()
42# Make sure the value is "on" or "off" for vld.ini
43IF(VISUAL_LEAK_DETECTOR_ENABLE)
44  SET(VISUAL_LEAK_DETECTOR_ENABLE on)
45ELSE()
46  SET(VISUAL_LEAK_DETECTOR_ENABLE off)
47ENDIF()
48
49# Orxonox only supports MSVC 8 and above, which gets asserted above
50SET(PCH_COMPILER_SUPPORT TRUE)
51
52
53#################### Compiler Flags #####################
54
55# -MD    Minimal Rebuild
56# -RTC1  Both basic runtime checks
57# -MD[d] Multithreaded [debug] DLL
58# -Zi    Program Database
59# -ZI    Program Database for Edit & Continue
60# -WX    General warning Level X
61# -wdX   Disable specific warning X
62# -wnX   Set warning level of specific warning X to level n
63
64# Only add (not set) some general compiler flags.
65# CMake default flags : -DWIN32 -D_WINDOWS -W3 -Zm1000
66# additionally for CXX: -EHsc -GR
67# -MP is for multiprocessed compiling
68ADD_COMPILER_FLAGS("-D__WIN32__ -D_WIN32 -MP"  CACHE)
69ADD_COMPILER_FLAGS("-D_CRT_SECURE_NO_WARNINGS" CACHE)
70ADD_COMPILER_FLAGS("-D_SCL_SECURE_NO_WARNINGS" CACHE)
71
72# Overwrite CMake default flags here for the individual configurations
73SET_COMPILER_FLAGS("-MDd -Od -Oi -Zi -D_DEBUG -RTC1" Debug          CACHE)
74SET_COMPILER_FLAGS("-MD  -O2         -DNDEBUG"       Release        CACHE)
75SET_COMPILER_FLAGS("-MD  -O2 -Zi     -DNDEBUG"       RelWithDebInfo CACHE)
76SET_COMPILER_FLAGS("-MD  -O1         -DNDEBUG"       MinSizeRel     CACHE)
77ADD_COMPILER_FLAGS("-D_SECURE_SCL=0"           MSVC9 ReleaseAll     CACHE)
78
79# Enable non standard floating point optimisations
80# Note: It hasn't been checked yet whether we have code that might break
81#ADD_COMPILER_FLAGS("-fp:fast" CACHE)
82
83# Use Link time code generation for Release config if ORXONOX_RELEASE is defined
84IF(ORXONOX_RELEASE)
85  ADD_COMPILER_FLAGS("-GL" ReleaseAll CACHE)
86ENDIF()
87
88
89####################### Warnings ########################
90
91# Increase warning level if requested
92IF(EXTRA_COMPILER_WARNINGS)
93  REMOVE_COMPILER_FLAGS("-W1 -W2 -W3" CACHE)
94  ADD_COMPILER_FLAGS   ("-W4" CACHE)
95ELSE()
96  REMOVE_COMPILER_FLAGS("-W1 -W2 -W4" CACHE)
97  ADD_COMPILER_FLAGS   ("-W3" CACHE)
98ENDIF()
99
100# "<type> needs to have dll-interface to be used by clients'
101# Happens on STL member variables which are not public
102ADD_COMPILER_FLAGS("-w44251" CACHE)
103ADD_COMPILER_FLAGS("-w44275" CACHE) # For inheritance
104
105# Multiple assignment operators specified
106ADD_COMPILER_FLAGS("-w44522" CACHE)
107
108# Forcing values to bool
109ADD_COMPILER_FLAGS("-w44800" CACHE)
110
111# TODO: Resolve the cause of this warning!
112ADD_COMPILER_FLAGS("-w44250" CACHE)
113
114# This warns about truncation to 255 characters in debug/browse info
115# ADD_COMPILER_FLAGS("-w44786 -w44503" CACHE)
116
117# conversion from 'double' to 'float', possible loss of data
118# conversion from 'ogg_int64_t' to 'long', possible loss of data
119# ADD_COMPILER_FLAGS("-w44244" CACHE)
120
121# "conversion from 'size_t' to 'unsigned int', possible loss of data
122# ADD_COMPILER_FLAGS("-w44267" CACHE)
123
124# "truncation from 'double' to 'float'
125# ADD_COMPILER_FLAGS("-w44305" CACHE)
126
127# "non dll-interface class used as base for dll-interface class"
128# ADD_COMPILER_FLAGS("-w44275" CACHE)
129
130# "C++ Exception Specification ignored"
131# This is because MSVC 6 did not implement all the C++ exception
132# specifications in the ANSI C++ draft.
133# ADD_COMPILER_FLAGS("-w44290" CACHE)
134
135# "no suitable definition provided for explicit template
136# instantiation request" Occurs in VC7 for no justifiable reason.
137# ADD_COMPILER_FLAGS("-w44661" CACHE)
138
139# Deprecation warnings when using CRT calls in VC8
140# These show up on all C runtime lib code in VC8, disable since they clutter
141# the warnings with things we may not be able to do anything about (e.g.
142# generated code from nvparse etc). I doubt very much that these calls
143# will ever be actually removed from VC anyway, it would break too much code.
144# Note: Probably handled by "-DCRT_SECURE_NO_WARNINGS"
145# ADD_COMPILER_FLAGS("-w44996" CACHE)
146
147# "conditional expression constant"
148# ADD_COMPILER_FLAGS("-w4201" CACHE)
149
150
151##################### Linker Flags ######################
152
153# CMake default flags: -MANIFEST -STACK:10000000 -machine:I386
154# and INCREMENTAL and DEBUG for debug versions
155SET_LINKER_FLAGS("-debug -INCREMENTAL:YES" Debug              CACHE)
156SET_LINKER_FLAGS("-debug"                  RelWithDebInfo     CACHE)
157SET_LINKER_FLAGS(""                        Release MinSizeRel CACHE)
158
159ADD_LINKER_FLAGS("-OPT:NOWIN98" MSVC80 CACHE)
160
161# Use Link time code generation for Release config if ORXONOX_RELEASE is defined
162IF(ORXONOX_RELEASE)
163  ADD_LINKER_FLAGS("-INCREMENTAL:NO -OPT:ICF -OPT:REF -LTCG" ReleaseAll   CACHE)
164ELSE()
165  ADD_LINKER_FLAGS("-INCREMENTAL:YES"                  RelWithDebInfo     CACHE)
166  ADD_LINKER_FLAGS("-INCREMENTAL:NO -OPT:ICF -OPT:REF" Release MinSizeRel CACHE)
167ENDIF()
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