blob: f6d620f40e9f47fed7d7c5ee9a39fbec8dc445a3 (
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
|
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# This file sets the basic flags for the C language in CMake.
# It also loads the available platform file for the system-compiler
# if it exists.
# It also loads a system - compiler - processor (or target hardware)
# specific file, which is mainly useful for crosscompiling and embedded systems.
include(CMakeLanguageInformation)
# some compilers use different extensions (e.g. sdcc uses .rel)
# so set the extension here first so it can be overridden by the compiler specific file
if(UNIX)
set(CMAKE_C_OUTPUT_EXTENSION .o)
else()
set(CMAKE_C_OUTPUT_EXTENSION .obj)
endif()
set(_INCLUDED_FILE 0)
# Load compiler-specific information.
if(CMAKE_C_COMPILER_ID)
include(Compiler/${CMAKE_C_COMPILER_ID}-C OPTIONAL)
endif()
set(CMAKE_BASE_NAME)
get_filename_component(CMAKE_BASE_NAME "${CMAKE_C_COMPILER}" NAME_WE)
if(CMAKE_COMPILER_IS_GNUCC)
set(CMAKE_BASE_NAME gcc)
endif()
# load a hardware specific file, mostly useful for embedded compilers
if(CMAKE_SYSTEM_PROCESSOR)
if(CMAKE_C_COMPILER_ID)
include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
endif()
if (NOT _INCLUDED_FILE)
include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_BASE_NAME}-${CMAKE_SYSTEM_PROCESSOR} OPTIONAL)
endif ()
endif()
# load the system- and compiler specific files
if(CMAKE_C_COMPILER_ID)
include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_C_COMPILER_ID}-C
OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
endif()
if (NOT _INCLUDED_FILE)
include(Platform/${CMAKE_EFFECTIVE_SYSTEM_NAME}-${CMAKE_BASE_NAME}
OPTIONAL RESULT_VARIABLE _INCLUDED_FILE)
endif ()
# load any compiler-wrapper specific information
if (CMAKE_C_COMPILER_WRAPPER)
__cmake_include_compiler_wrapper(C)
endif ()
# We specify the compiler information in the system file for some
# platforms, but this language may not have been enabled when the file
# was first included. Include it again to get the language info.
# Remove this when all compiler info is removed from system files.
if (NOT _INCLUDED_FILE)
include(Platform/${CMAKE_SYSTEM_NAME} OPTIONAL)
endif ()
if(CMAKE_C_SIZEOF_DATA_PTR)
foreach(f ${CMAKE_C_ABI_FILES})
include(${f})
endforeach()
unset(CMAKE_C_ABI_FILES)
endif()
# This should be included before the _INIT variables are
# used to initialize the cache. Since the rule variables
# have if blocks on them, users can still define them here.
# But, it should still be after the platform file so changes can
# be made to those values.
if(CMAKE_USER_MAKE_RULES_OVERRIDE)
# Save the full path of the file so try_compile can use it.
include(${CMAKE_USER_MAKE_RULES_OVERRIDE} RESULT_VARIABLE _override)
set(CMAKE_USER_MAKE_RULES_OVERRIDE "${_override}")
endif()
if(CMAKE_USER_MAKE_RULES_OVERRIDE_C)
# Save the full path of the file so try_compile can use it.
include(${CMAKE_USER_MAKE_RULES_OVERRIDE_C} RESULT_VARIABLE _override)
set(CMAKE_USER_MAKE_RULES_OVERRIDE_C "${_override}")
endif()
# for most systems a module is the same as a shared library
# so unless the variable CMAKE_MODULE_EXISTS is set just
# copy the values from the LIBRARY variables
if(NOT CMAKE_MODULE_EXISTS)
set(CMAKE_SHARED_MODULE_C_FLAGS ${CMAKE_SHARED_LIBRARY_C_FLAGS})
set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS ${CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS})
endif()
set(CMAKE_C_FLAGS_INIT "$ENV{CFLAGS} ${CMAKE_C_FLAGS_INIT}")
cmake_initialize_per_config_variable(CMAKE_C_FLAGS "Flags used by the C compiler")
if(CMAKE_C_STANDARD_LIBRARIES_INIT)
set(CMAKE_C_STANDARD_LIBRARIES "${CMAKE_C_STANDARD_LIBRARIES_INIT}"
CACHE STRING "Libraries linked by default with all C applications.")
mark_as_advanced(CMAKE_C_STANDARD_LIBRARIES)
endif()
if(NOT CMAKE_C_COMPILER_LAUNCHER AND DEFINED ENV{CMAKE_C_COMPILER_LAUNCHER})
set(CMAKE_C_COMPILER_LAUNCHER "$ENV{CMAKE_C_COMPILER_LAUNCHER}"
CACHE STRING "Compiler launcher for C.")
endif()
include(CMakeCommonLanguageInclude)
# now define the following rule variables
# CMAKE_C_CREATE_SHARED_LIBRARY
# CMAKE_C_CREATE_SHARED_MODULE
# CMAKE_C_COMPILE_OBJECT
# CMAKE_C_LINK_EXECUTABLE
# variables supplied by the generator at use time
# <TARGET>
# <TARGET_BASE> the target without the suffix
# <OBJECTS>
# <OBJECT>
# <LINK_LIBRARIES>
# <FLAGS>
# <LINK_FLAGS>
# C compiler information
# <CMAKE_C_COMPILER>
# <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS>
# <CMAKE_SHARED_MODULE_CREATE_C_FLAGS>
# <CMAKE_C_LINK_FLAGS>
# Static library tools
# <CMAKE_AR>
# <CMAKE_RANLIB>
# create a C shared library
if(NOT CMAKE_C_CREATE_SHARED_LIBRARY)
set(CMAKE_C_CREATE_SHARED_LIBRARY
"<CMAKE_C_COMPILER> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LANGUAGE_COMPILE_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <SONAME_FLAG><TARGET_SONAME> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
endif()
# create a C shared module just copy the shared library rule
if(NOT CMAKE_C_CREATE_SHARED_MODULE)
set(CMAKE_C_CREATE_SHARED_MODULE ${CMAKE_C_CREATE_SHARED_LIBRARY})
endif()
# Create a static archive incrementally for large object file counts.
# If CMAKE_C_CREATE_STATIC_LIBRARY is set it will override these.
if(NOT DEFINED CMAKE_C_ARCHIVE_CREATE)
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> qc <TARGET> <LINK_FLAGS> <OBJECTS>")
endif()
if(NOT DEFINED CMAKE_C_ARCHIVE_APPEND)
set(CMAKE_C_ARCHIVE_APPEND "<CMAKE_AR> q <TARGET> <LINK_FLAGS> <OBJECTS>")
endif()
if(NOT DEFINED CMAKE_C_ARCHIVE_FINISH)
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> <TARGET>")
endif()
# compile a C file into an object file
if(NOT CMAKE_C_COMPILE_OBJECT)
set(CMAKE_C_COMPILE_OBJECT
"<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
endif()
if(NOT CMAKE_C_LINK_EXECUTABLE)
set(CMAKE_C_LINK_EXECUTABLE
"<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
endif()
if(NOT CMAKE_EXECUTABLE_RUNTIME_C_FLAG)
set(CMAKE_EXECUTABLE_RUNTIME_C_FLAG ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG})
endif()
if(NOT CMAKE_EXECUTABLE_RUNTIME_C_FLAG_SEP)
set(CMAKE_EXECUTABLE_RUNTIME_C_FLAG_SEP ${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP})
endif()
if(NOT CMAKE_EXECUTABLE_RPATH_LINK_C_FLAG)
set(CMAKE_EXECUTABLE_RPATH_LINK_C_FLAG ${CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG})
endif()
set(CMAKE_C_INFORMATION_LOADED 1)
|
