blob: 010661e9b71a17020e7d51c440a7e436e42da756 (
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
|
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
configure_file(${FortranCInterface_SOURCE_DIR}/Input.cmake.in
${FortranCInterface_BINARY_DIR}/Input.cmake @ONLY)
# Detect the Fortran/C interface on the first run or when the
# configuration changes.
if(NOT EXISTS ${FortranCInterface_BINARY_DIR}/Output.cmake
OR NOT EXISTS ${FortranCInterface_BINARY_DIR}/Input.cmake
OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
IS_NEWER_THAN ${FortranCInterface_BINARY_DIR}/Input.cmake
OR NOT ${FortranCInterface_SOURCE_DIR}/Output.cmake
IS_NEWER_THAN ${FortranCInterface_SOURCE_DIR}/Output.cmake.in
OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
IS_NEWER_THAN ${FortranCInterface_SOURCE_DIR}/CMakeLists.txt
OR NOT ${FortranCInterface_BINARY_DIR}/Output.cmake
IS_NEWER_THAN ${CMAKE_CURRENT_LIST_FILE}
)
message(CHECK_START "Detecting Fortran/C Interface")
else()
return()
endif()
# Invalidate verification results.
unset(FortranCInterface_VERIFIED_C CACHE)
unset(FortranCInterface_VERIFIED_CXX CACHE)
set(_result)
# Perform detection with only one architecture so that
# the info strings are not repeated.
if(CMAKE_OSX_ARCHITECTURES MATCHES "^([^;]+)(;|$)")
set(_FortranCInterface_OSX_ARCH "-DCMAKE_OSX_ARCHITECTURES=${CMAKE_MATCH_1}")
else()
set(_FortranCInterface_OSX_ARCH "")
endif()
cmake_policy(GET CMP0056 _FortranCInterface_CMP0056)
if(_FortranCInterface_CMP0056 STREQUAL "NEW")
set(_FortranCInterface_EXE_LINKER_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${CMAKE_EXE_LINKER_FLAGS}")
else()
set(_FortranCInterface_EXE_LINKER_FLAGS "")
endif()
unset(_FortranCInterface_CMP0056)
# Build a sample project which reports symbols.
set(CMAKE_TRY_COMPILE_CONFIGURATION Release)
try_compile(FortranCInterface_COMPILED
PROJECT FortranCInterface
TARGET FortranCInterface
SOURCE_DIR ${FortranCInterface_SOURCE_DIR}
BINARY_DIR ${FortranCInterface_BINARY_DIR}
LOG_DESCRIPTION "Fortran/C interface test project"
CMAKE_FLAGS
"-DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS}"
"-DCMAKE_Fortran_FLAGS:STRING=${CMAKE_Fortran_FLAGS}"
"-DCMAKE_C_FLAGS_RELEASE:STRING=${CMAKE_C_FLAGS_RELEASE}"
"-DCMAKE_Fortran_FLAGS_RELEASE:STRING=${CMAKE_Fortran_FLAGS_RELEASE}"
${_FortranCInterface_OSX_ARCH}
${_FortranCInterface_EXE_LINKER_FLAGS}
)
set(FortranCInterface_COMPILED ${FortranCInterface_COMPILED})
unset(FortranCInterface_COMPILED CACHE)
unset(_FortranCInterface_EXE_LINKER_FLAGS)
unset(_FortranCInterface_OSX_ARCH)
# Locate the sample project executable.
set(FortranCInterface_EXE)
if(FortranCInterface_COMPILED)
include(${FortranCInterface_BINARY_DIR}/exe-Release.cmake OPTIONAL)
else()
set(_result "Failed to compile")
endif()
# Load symbols from INFO:symbol[] strings in the executable.
set(FortranCInterface_SYMBOLS)
if(FortranCInterface_EXE)
file(STRINGS "${FortranCInterface_EXE}" _info_strings
LIMIT_COUNT 8 REGEX "INFO:[A-Za-z0-9_]+\\[[^]]*\\]")
foreach(info ${_info_strings})
if("${info}" MATCHES "INFO:symbol\\[([^]]*)\\]")
list(APPEND FortranCInterface_SYMBOLS ${CMAKE_MATCH_1})
endif()
endforeach()
elseif(NOT _result)
set(_result "Failed to load sample executable")
endif()
set(_case_mysub "LOWER")
set(_case_my_sub "LOWER")
set(_case_MYSUB "UPPER")
set(_case_MY_SUB "UPPER")
set(_global_regex "^(_*)(mysub|MYSUB)([_$]*)$")
set(_global__regex "^(_*)(my_sub|MY_SUB)([_$]*)$")
set(_module_regex "^(_*)([A-Za-z$]*)(mymodule|MYMODULE)([A-Za-z_$]*)(mysub|MYSUB)([_$]*)$")
set(_module__regex "^(_*)([A-Za-z$]*)(my_module|MY_MODULE)([A-Za-z_$]*)(my_sub|MY_SUB)([_$]*)$")
# Parse the symbol names.
foreach(symbol ${FortranCInterface_SYMBOLS})
foreach(form "" "_")
# Look for global symbols.
string(REGEX REPLACE "${_global_${form}regex}"
"\\1;\\2;\\3" pieces "${symbol}")
list(LENGTH pieces len)
if(len EQUAL 3)
set(FortranCInterface_GLOBAL_${form}SYMBOL "${symbol}")
list(GET pieces 0 FortranCInterface_GLOBAL_${form}PREFIX)
list(GET pieces 1 name)
list(GET pieces 2 FortranCInterface_GLOBAL_${form}SUFFIX)
set(FortranCInterface_GLOBAL_${form}CASE "${_case_${name}}")
endif()
# Look for module symbols.
string(REGEX REPLACE "${_module_${form}regex}"
"\\1\\2;\\3;\\4;\\5;\\6" pieces "${symbol}")
list(LENGTH pieces len)
if(len EQUAL 5)
set(FortranCInterface_MODULE_${form}SYMBOL "${symbol}")
list(GET pieces 0 FortranCInterface_MODULE_${form}PREFIX)
list(GET pieces 1 module)
list(GET pieces 2 FortranCInterface_MODULE_${form}MIDDLE)
list(GET pieces 3 name)
list(GET pieces 4 FortranCInterface_MODULE_${form}SUFFIX)
set(FortranCInterface_MODULE_${form}CASE "${_case_${name}}")
endif()
endforeach()
endforeach()
# Construct mangling macro definitions.
set(_name_LOWER "name")
set(_name_UPPER "NAME")
foreach(form "" "_")
if(FortranCInterface_GLOBAL_${form}SYMBOL)
if(FortranCInterface_GLOBAL_${form}PREFIX)
set(_prefix "${FortranCInterface_GLOBAL_${form}PREFIX}##")
else()
set(_prefix "")
endif()
if(FortranCInterface_GLOBAL_${form}SUFFIX)
set(_suffix "##${FortranCInterface_GLOBAL_${form}SUFFIX}")
else()
set(_suffix "")
endif()
set(_name "${_name_${FortranCInterface_GLOBAL_${form}CASE}}")
set(FortranCInterface_GLOBAL${form}_MACRO
"(name,NAME) ${_prefix}${_name}${_suffix}")
endif()
if(FortranCInterface_MODULE_${form}SYMBOL)
if(FortranCInterface_MODULE_${form}PREFIX)
set(_prefix "${FortranCInterface_MODULE_${form}PREFIX}##")
else()
set(_prefix "")
endif()
if(FortranCInterface_MODULE_${form}SUFFIX)
set(_suffix "##${FortranCInterface_MODULE_${form}SUFFIX}")
else()
set(_suffix "")
endif()
set(_name "${_name_${FortranCInterface_MODULE_${form}CASE}}")
set(_middle "##${FortranCInterface_MODULE_${form}MIDDLE}##")
set(FortranCInterface_MODULE${form}_MACRO
"(mod_name,name, mod_NAME,NAME) ${_prefix}mod_${_name}${_middle}${_name}${_suffix}")
endif()
endforeach()
# Summarize what is available.
foreach(scope GLOBAL MODULE)
if(FortranCInterface_${scope}_SYMBOL AND
FortranCInterface_${scope}__SYMBOL)
set(FortranCInterface_${scope}_FOUND 1)
else()
set(FortranCInterface_${scope}_FOUND 0)
endif()
endforeach()
# Record the detection results.
configure_file(${FortranCInterface_SOURCE_DIR}/Output.cmake.in
${FortranCInterface_BINARY_DIR}/Output.cmake @ONLY)
file(APPEND ${FortranCInterface_BINARY_DIR}/Output.cmake "\n")
# Report the results.
if(FortranCInterface_GLOBAL_FOUND)
if(FortranCInterface_MODULE_FOUND)
set(_result "Found GLOBAL and MODULE mangling")
else()
set(_result "Found GLOBAL but not MODULE mangling")
endif()
set(_result_type CHECK_PASS)
elseif(NOT _result)
set(_result "Failed to recognize symbols")
set(_result_type CHECK_FAIL)
endif()
message(${_result_type} "${_result}")
|
