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
|
# -*- cmake -*-
#
# Compilation options shared by all Second Life components.
#*****************************************************************************
# It's important to realize that CMake implicitly concatenates
# CMAKE_CXX_FLAGS with (e.g.) CMAKE_CXX_FLAGS_RELEASE for Release builds. So
# set switches in CMAKE_CXX_FLAGS that should affect all builds, but in
# CMAKE_CXX_FLAGS_RELEASE or CMAKE_CXX_FLAGS_RELWITHDEBINFO for switches
# that should affect only that build variant.
#
# Also realize that CMAKE_CXX_FLAGS may already be partially populated on
# entry to this file.
#*****************************************************************************
include_guard()
include(Variables)
include(Linker)
# We go to some trouble to set LL_BUILD to the set of relevant compiler flags.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{LL_BUILD}")
# Given that, all the flags you see added below are flags NOT present in
# https://bitbucket.org/lindenlab/viewer-build-variables/src/tip/variables.
# Before adding new ones here, it's important to ask: can this flag really be
# applied to the viewer only, or should/must it be applied to all 3p libraries
# as well?
# Portable compilation flags.
add_compile_definitions( ADDRESS_SIZE=${ADDRESS_SIZE})
# Because older versions of Boost.Bind dumped placeholders _1, _2 et al. into
# the global namespace, Boost now requires either BOOST_BIND_NO_PLACEHOLDERS
# to avoid that or BOOST_BIND_GLOBAL_PLACEHOLDERS to state that we require it
# -- which we do. Without one or the other, we get a ton of Boost warnings.
add_compile_definitions(BOOST_BIND_GLOBAL_PLACEHOLDERS)
if(CMAKE_OSX_ARCHITECTURES MATCHES arm64)
add_compile_definitions(GLM_FORCE_DEFAULT_ALIGNED_GENTYPES=1 GLM_FORCE_NEON=1)
else(CMAKE_OSX_ARCHITECTURES MATCHES arm64)
# Force enable SSE2 instructions in GLM per the manual
# https://github.com/g-truc/glm/blob/master/manual.md#section2_10
add_compile_definitions(GLM_FORCE_DEFAULT_ALIGNED_GENTYPES=1 GLM_FORCE_SSE2=1)
endif(CMAKE_OSX_ARCHITECTURES MATCHES arm64)
# Configure crash reporting
set(RELEASE_CRASH_REPORTING OFF CACHE BOOL "Enable use of crash reporting in release builds")
set(NON_RELEASE_CRASH_REPORTING OFF CACHE BOOL "Enable use of crash reporting in developer builds")
if(RELEASE_CRASH_REPORTING)
add_compile_definitions( LL_SEND_CRASH_REPORTS=1)
endif()
if(NON_RELEASE_CRASH_REPORTING)
add_compile_definitions( LL_SEND_CRASH_REPORTS=1)
endif()
# Don't bother with a MinSizeRel or Debug builds.
set(CMAKE_CONFIGURATION_TYPES "RelWithDebInfo;Release" CACHE STRING "Supported build types." FORCE)
# Platform-specific compilation flags.
if (NOT CMAKE_CXX_COMPILER_ID MATCHES GNU AND WINDOWS)
# Don't build DLLs.
set(BUILD_SHARED_LIBS OFF)
# for "backwards compatibility", cmake sneaks in the Zm1000 option which royally
# screws incredibuild. this hack disables it.
# for details see: http://connect.microsoft.com/VisualStudio/feedback/details/368107/clxx-fatal-error-c1027-inconsistent-values-for-ym-between-creation-and-use-of-precompiled-headers
# http://www.ogre3d.org/forums/viewtopic.php?f=2&t=60015
# http://www.cmake.org/pipermail/cmake/2009-September/032143.html
string(REPLACE "/Zm1000" " " CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
add_link_options(/LARGEADDRESSAWARE
/NODEFAULTLIB:LIBCMT
/IGNORE:4099)
add_compile_definitions(
WIN32_LEAN_AND_MEAN
NOMINMAX
# DOM_DYNAMIC # For shared library colladadom
_CRT_SECURE_NO_WARNINGS # Allow use of sprintf etc
_WINSOCK_DEPRECATED_NO_WARNINGS # Disable deprecated WinSock API warnings
)
add_compile_options(
/Zo
/GS
/TP
/W3
/c
/Zc:forScope
/nologo
/Oy-
/fp:fast
/MP
/permissive-
)
# Nicky: x64 implies SSE2
if( ADDRESS_SIZE EQUAL 32 )
add_compile_options( /arch:SSE2 )
endif()
# Are we using the crummy Visual Studio KDU build workaround?
if (NOT VS_DISABLE_FATAL_WARNINGS)
add_compile_options(/WX)
endif (NOT VS_DISABLE_FATAL_WARNINGS)
#ND: When using something like buildcache (https://github.com/mbitsnbites/buildcache)
# to make those wrappers work /Zi must be changed to /Z7, as /Zi due to it's nature is not compatible with caching
if( ${CMAKE_CXX_COMPILER_LAUNCHER} MATCHES ".*cache.*")
add_compile_options( /Z7 )
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}")
string(REPLACE "/Zi" "/Z7" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Zi" "/Z7" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
endif()
endif (NOT CMAKE_CXX_COMPILER_ID MATCHES GNU AND WINDOWS)
if (LINUX OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
set( CMAKE_BUILD_WITH_INSTALL_RPATH TRUE )
set( CMAKE_INSTALL_RPATH $ORIGIN $ORIGIN/../lib )
set(CMAKE_EXE_LINKER_FLAGS "-Wl,--exclude-libs,ALL")
find_program(CCACHE_EXE ccache)
if(CCACHE_EXE AND NOT DISABLE_CCACHE)
set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_EXE} )
set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_EXE} )
endif()
# LL_IGNORE_SIGCHLD
# don't catch SIGCHLD in our base application class for the viewer - some of
# our 3rd party libs may need their *own* SIGCHLD handler to work. Sigh! The
# viewer doesn't need to catch SIGCHLD anyway.
add_compile_definitions(
_REENTRANT
APPID=megapahit
LL_IGNORE_SIGCHLD
)
if( ENABLE_ASAN )
add_compile_options(-U_FORTIFY_SOURCE
-fsanitize=address
--param asan-stack=0
)
add_link_options(-fsanitize=address)
else()
add_compile_definitions( _FORTIFY_SOURCE=2 )
endif()
if (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
add_compile_definitions(EXTERNAL_TOS)
endif (CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
add_compile_options(
-fexceptions
-fno-math-errno
-fno-strict-aliasing
-fsigned-char
-msse2
-mfpmath=sse
-pthread
)
if (NOT BUILD_SHARED_LIBS)
add_compile_options(-fvisibility=hidden)
endif (NOT BUILD_SHARED_LIBS)
set(GCC_CLANG_COMPATIBLE_WARNINGS
-Wno-parentheses
-Wno-deprecated
-Wno-c++20-compat
-Wno-pessimizing-move
)
set(CLANG_WARNINGS
${GCC_CLANG_COMPATIBLE_WARNINGS}
# Put clang specific warning configuration here
)
set(GCC_WARNINGS
${GCC_CLANG_COMPATIBLE_WARNINGS}
-Wno-dangling-pointer
)
add_link_options(
-Wl,--no-keep-memory
-Wl,--build-id
-Wl,--no-undefined
)
if (NOT GCC_DISABLE_FATAL_WARNINGS)
add_compile_options( -Werror )
endif (NOT GCC_DISABLE_FATAL_WARNINGS)
# this stops us requiring a really recent glibc at runtime
add_compile_options(-fno-stack-protector)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# ND: clang is a bit more picky than GCC, the latter seems to auto include -lstdc++ and -lm. The former not so and thus fails to link
add_link_options(
-lstdc++
-lm
)
add_compile_options(${CLANG_WARNINGS})
else()
add_compile_options(${GCC_WARNINGS})
endif()
endif (LINUX OR CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
if (DARWIN)
# Warnings should be fatal -- thanks, Nicky Perian, for spotting reversed default
set(CLANG_DISABLE_FATAL_WARNINGS OFF)
set(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names,-search_paths_first")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_CXX_LINK_FLAGS}")
set(DARWIN_extra_cstar_flags "-Wno-unused-local-typedef -Wno-deprecated-declarations")
# Ensure that CMAKE_CXX_FLAGS has the correct -g debug information format --
# see Variables.cmake.
string(REPLACE "-gdwarf-2" "-g${CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT}"
CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DARWIN_extra_cstar_flags}")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${DARWIN_extra_cstar_flags}")
# NOTE: it's critical that the optimization flag is put in front.
# NOTE: it's critical to have both CXX_FLAGS and C_FLAGS covered.
## Really?? On developer machines too?
##set(ENABLE_SIGNING TRUE)
##set(SIGNING_IDENTITY "Developer ID Application: Linden Research, Inc.")
# required for clang-15/xcode-15 since our boost package still uses deprecated std::unary_function/binary_function
# see https://developer.apple.com/documentation/xcode-release-notes/xcode-15-release-notes#C++-Standard-Library
add_compile_definitions(_LIBCPP_ENABLE_CXX17_REMOVED_UNARY_BINARY_FUNCTION)
set(GCC_WARNINGS -Wall -Wno-sign-compare -Wno-trigraphs)
list(APPEND GCC_WARNINGS -Wno-reorder -Wno-non-virtual-dtor )
if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13)
list(APPEND GCC_WARNINGS -Wno-unused-but-set-variable -Wno-unused-variable )
endif()
add_compile_options(${GCC_WARNINGS})
add_compile_options(-m${ADDRESS_SIZE})
endif ()
|
