blob: 6eccf49eacaa7c388eb146461ac90aa0e718b95c (
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
|
#-------------------------------------------------------------------------
# drawElements CMake utilities
# ----------------------------
#
# Copyright 2014 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#-------------------------------------------------------------------------
# \note Always include this file in main project file, with NO_POLICY_SCOPE
# AFTER project(name) statement.
#
# project(deproject)
# include(delibs/cmake/Defs.cmake NO_POLICY_SCOPE)
cmake_policy(VERSION 3.10.2)
# \todo [pyry] More intelligent detection, perhaps use some script?
# cmake files can use DE_DEFS variable to check that this file has been included
set(DE_DEFS 1)
macro (DE_MAKE_ENV_BOOL BASE VALUE)
if (${BASE} STREQUAL ${BASE}_${VALUE})
set(${BASE}_IS_${VALUE} 1)
else ()
set(${BASE}_IS_${VALUE} 0)
endif ()
endmacro ()
# Add build type RelWithAsserts
set(CMAKE_CXX_FLAGS_RELWITHASSERTS ${CMAKE_CXX_FLAGS_RELEASE})
set(CMAKE_C_FLAGS_RELWITHASSERTS ${CMAKE_C_FLAGS_RELEASE})
set(CMAKE_EXE_LINKER_FLAGS_RELWITHASSERTS ${CMAKE_EXE_LINKER_FLAGS_RELEASE})
set(CMAKE_SHARED_LINKER_FLAGS_RELWITHASSERTS ${CMAKE_SHARED_LINKER_FLAGS_RELEASE})
# Os detection
if (NOT DEFINED DE_OS)
if (WIN32)
set(DE_OS "DE_OS_WIN32")
elseif (APPLE)
set(DE_OS "DE_OS_OSX")
elseif (UNIX)
set(DE_OS "DE_OS_UNIX")
else ()
set(DE_OS "DE_OS_VANILLA")
endif ()
endif ()
# DE_OS_IS_{PLATFORM} definitions
DE_MAKE_ENV_BOOL("DE_OS" "VANILLA")
DE_MAKE_ENV_BOOL("DE_OS" "WIN32")
DE_MAKE_ENV_BOOL("DE_OS" "UNIX")
DE_MAKE_ENV_BOOL("DE_OS" "WINCE")
DE_MAKE_ENV_BOOL("DE_OS" "OSX")
DE_MAKE_ENV_BOOL("DE_OS" "ANDROID")
DE_MAKE_ENV_BOOL("DE_OS" "IOS")
# Prevent mixed compile with GCC and Clang
if (NOT (CMAKE_C_COMPILER_ID MATCHES "GNU") EQUAL (CMAKE_CXX_COMPILER_ID MATCHES "GNU"))
message(FATAL_ERROR "CMake C and CXX compilers do not match. Both or neither must be GNU.")
elseif (NOT (CMAKE_C_COMPILER_ID MATCHES "Clang") EQUAL (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
message(FATAL_ERROR "CMake C and CXX compilers do not match. Both or neither must be Clang.")
endif ()
# Compiler detection
if (NOT DEFINED DE_COMPILER)
if ((CMAKE_C_COMPILER_ID MATCHES "MSVC") OR MSVC)
set(DE_COMPILER "DE_COMPILER_MSC")
elseif (CMAKE_C_COMPILER_ID MATCHES "GNU")
set(DE_COMPILER "DE_COMPILER_GCC")
elseif (CMAKE_C_COMPILER_ID MATCHES "Clang")
set(DE_COMPILER "DE_COMPILER_CLANG")
# Guess based on OS
elseif (DE_OS_IS_WIN32)
set(DE_COMPILER "DE_COMPILER_MSC")
elseif (DE_OS_IS_UNIX OR DE_OS_IS_ANDROID)
set(DE_COMPILER "DE_COMPILER_GCC")
elseif (DE_OS_IS_OSX OR DE_OS_IS_IOS)
set(DE_COMPILER "DE_COMPILER_CLANG")
else ()
set(DE_COMPILER "DE_COMPILER_VANILLA")
endif ()
endif ()
# DE_COMPILER_IS_{COMPILER} definitions
DE_MAKE_ENV_BOOL("DE_COMPILER" "VANILLA")
DE_MAKE_ENV_BOOL("DE_COMPILER" "MSC")
DE_MAKE_ENV_BOOL("DE_COMPILER" "GCC")
DE_MAKE_ENV_BOOL("DE_COMPILER" "CLANG")
# Pointer size detection
if (NOT DEFINED DE_PTR_SIZE)
if (DEFINED CMAKE_SIZEOF_VOID_P)
set(DE_PTR_SIZE ${CMAKE_SIZEOF_VOID_P})
else ()
set(DE_PTR_SIZE 4)
endif ()
endif ()
# CPU detection
if (NOT DEFINED DE_CPU)
if (DE_PTR_SIZE EQUAL 8)
set(DE_CPU "DE_CPU_X86_64")
else ()
set(DE_CPU "DE_CPU_X86")
endif ()
endif ()
# DE_CPU_IS_{CPU} definitions
DE_MAKE_ENV_BOOL("DE_CPU" "VANILLA")
DE_MAKE_ENV_BOOL("DE_CPU" "X86")
DE_MAKE_ENV_BOOL("DE_CPU" "ARM")
DE_MAKE_ENV_BOOL("DE_CPU" "ARM_64")
# \note [petri] Re-wrote in this ugly manner, because CMake 2.6 seems to
# barf about the parenthesis in the previous way. Ugh.
#if (NOT ((DE_PTR_SIZE EQUAL 4) OR (DE_PTR_SIZE EQUAL 8)))
if (DE_PTR_SIZE EQUAL 4)
elseif (DE_PTR_SIZE EQUAL 8)
else ()
message(FATAL_ERROR "DE_PTR_SIZE (${DE_PTR_SIZE}) is invalid")
endif ()
# Debug definitions
if (NOT DEFINED DE_DEBUG)
if (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "RelWithAsserts")
set(DE_DEBUG 1)
else ()
set(DE_DEBUG 0)
endif ()
endif ()
# Android API version
if (DE_OS_IS_ANDROID AND NOT DEFINED DE_ANDROID_API)
set(DE_ANDROID_API 5)
endif ()
# MinGW
if (CMAKE_CXX_COMPILER MATCHES ".*-mingw32-.*")
set(DE_MINGW 1)
set(BUILD_SHARED_LIBS OFF)
else()
set(DE_MINGW 0)
endif()
message(STATUS "DE_OS = ${DE_OS}")
message(STATUS "DE_COMPILER = ${DE_COMPILER}")
message(STATUS "DE_CPU = ${DE_CPU}")
message(STATUS "DE_PTR_SIZE = ${DE_PTR_SIZE}")
message(STATUS "DE_DEBUG = ${DE_DEBUG}")
if (DE_OS_IS_ANDROID)
message(STATUS "DE_ANDROID_API = ${DE_ANDROID_API}")
endif ()
message(STATUS "DE_MINGW = ${DE_MINGW}")
# Expose definitions
if (DE_DEBUG)
add_definitions(-DDE_DEBUG)
endif ()
add_definitions("-DDE_OS=${DE_OS}")
add_definitions("-DDE_COMPILER=${DE_COMPILER}")
add_definitions("-DDE_CPU=${DE_CPU}")
add_definitions("-DDE_PTR_SIZE=${DE_PTR_SIZE}")
add_definitions("-DDE_MINGW=${DE_MINGW}")
include(CheckCSourceCompiles)
set(FENV_ACCESS_PRAGMA "")
macro(check_fenv_access_support PRAGMA)
if (DE_COMPILER_IS_CLANG OR DE_COMPILER_IS_GCC)
set(CMAKE_REQUIRED_FLAGS "-Wall")
endif ()
check_c_source_compiles("
#include <fenv.h>
${PRAGMA}
int main() {
#ifdef FE_INEXACT
return 0;
#else
#error \"FENV_ACCESS not available\"
#endif
}" HAVE_FENV_ACCESS FAIL_REGEX "unknown-pragmas")
if (HAVE_FENV_ACCESS)
set(FENV_ACCESS_PRAGMA ${PRAGMA})
endif()
endmacro()
if (DE_COMPILER_IS_MSC)
check_fenv_access_support("__pragma(fenv_access (on))")
elseif (DE_COMPILER_IS_CLANG OR DE_COMPILER_IS_GCC)
# Note that GCC does not provide a way to inform the implementation of FP environment access. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34678.
# Until that is implemented this check will never enable the FENV_ACCESS pragma.
check_fenv_access_support("_Pragma(\"STDC FENV_ACCESS ON\")")
else ()
message(FATAL_ERROR "Unsupported compiler!")
endif ()
add_definitions("-DDE_FENV_ACCESS_ON=${FENV_ACCESS_PRAGMA}")
if (DE_OS_IS_ANDROID)
add_definitions("-DDE_ANDROID_API=${DE_ANDROID_API}")
endif ()
|
