blob: 59092bd2cd7a7d8e7cfbd0947884598eb612abb9 (
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
|
#=============================================================================
# Copyright 2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# Function parse implicit linker options.
# This is used internally by CMake and should not be included by user
# code.
function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var fwk_var log_var obj_regex)
set(implicit_libs_tmp "")
set(implicit_dirs_tmp)
set(implicit_fwks_tmp)
set(log "")
# Parse implicit linker arguments.
set(linker "CMAKE_LINKER-NOTFOUND")
if(CMAKE_LINKER)
get_filename_component(linker ${CMAKE_LINKER} NAME)
string(REGEX REPLACE "([][+.*?()^$])" "\\\\\\1" linker "${linker}")
endif()
# Construct a regex to match linker lines. It must match both the
# whole line and just the command (argv[0]).
set(linker_regex "^( *|.*[/\\])(${linker}|([^/\\]+-)?ld|collect2)[^/\\]*( |$)")
set(linker_exclude_regex "collect2 version |^[A-Za-z0-9_]+=")
set(log "${log} link line regex: [${linker_regex}]\n")
string(REGEX REPLACE "\r?\n" ";" output_lines "${text}")
foreach(line IN LISTS output_lines)
set(cmd)
if("${line}" MATCHES "${linker_regex}" AND
NOT "${line}" MATCHES "${linker_exclude_regex}")
if(XCODE)
# Xcode unconditionally adds a path under the project build tree and
# on older versions it is not reported with proper quotes. Remove it.
string(REGEX REPLACE "([][+.*()^])" "\\\\\\1" _dir_regex "${CMAKE_BINARY_DIR}")
string(REGEX REPLACE " -[FL]${_dir_regex}/([^ ]| [^-])+( |$)" " " xline "${line}")
if(NOT "x${xline}" STREQUAL "x${line}")
set(log "${log} reduced line: [${line}]\n to: [${xline}]\n")
set(line "${xline}")
endif()
endif()
if(UNIX)
separate_arguments(args UNIX_COMMAND "${line}")
else()
separate_arguments(args WINDOWS_COMMAND "${line}")
endif()
list(GET args 0 cmd)
endif()
if("${cmd}" MATCHES "${linker_regex}")
set(log "${log} link line: [${line}]\n")
string(REGEX REPLACE ";-([LYz]);" ";-\\1" args "${args}")
foreach(arg IN LISTS args)
if("${arg}" MATCHES "^-L(.:)?[/\\]")
# Unix search path.
string(REGEX REPLACE "^-L" "" dir "${arg}")
list(APPEND implicit_dirs_tmp ${dir})
set(log "${log} arg [${arg}] ==> dir [${dir}]\n")
elseif("${arg}" MATCHES "^-l([^:].*)$")
# Unix library.
set(lib "${CMAKE_MATCH_1}")
list(APPEND implicit_libs_tmp ${lib})
set(log "${log} arg [${arg}] ==> lib [${lib}]\n")
elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.a$")
# Unix library full path.
list(APPEND implicit_libs_tmp ${arg})
set(log "${log} arg [${arg}] ==> lib [${arg}]\n")
elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.o$"
AND obj_regex AND "${arg}" MATCHES "${obj_regex}")
# Object file full path.
list(APPEND implicit_libs_tmp ${arg})
set(log "${log} arg [${arg}] ==> obj [${arg}]\n")
elseif("${arg}" MATCHES "^-Y(P,)?[^0-9]")
# Sun search path ([^0-9] avoids conflict with Mac -Y<num>).
string(REGEX REPLACE "^-Y(P,)?" "" dirs "${arg}")
string(REPLACE ":" ";" dirs "${dirs}")
list(APPEND implicit_dirs_tmp ${dirs})
set(log "${log} arg [${arg}] ==> dirs [${dirs}]\n")
elseif("${arg}" MATCHES "^-l:")
# HP named library.
list(APPEND implicit_libs_tmp ${arg})
set(log "${log} arg [${arg}] ==> lib [${arg}]\n")
elseif("${arg}" MATCHES "^-z(all|default|weak)extract")
# Link editor option.
list(APPEND implicit_libs_tmp ${arg})
set(log "${log} arg [${arg}] ==> opt [${arg}]\n")
else()
set(log "${log} arg [${arg}] ==> ignore\n")
endif()
endforeach()
break()
elseif("${line}" MATCHES "LPATH(=| is:? *)(.*)$")
set(log "${log} LPATH line: [${line}]\n")
# HP search path.
string(REPLACE ":" ";" paths "${CMAKE_MATCH_2}")
list(APPEND implicit_dirs_tmp ${paths})
set(log "${log} dirs [${paths}]\n")
else()
set(log "${log} ignore line: [${line}]\n")
endif()
endforeach()
# Look for library search paths reported by linker.
if("${output_lines}" MATCHES ";Library search paths:((;\t[^;]+)+)")
string(REPLACE ";\t" ";" implicit_dirs_match "${CMAKE_MATCH_1}")
set(log "${log} Library search paths: [${implicit_dirs_match}]\n")
list(APPEND implicit_dirs_tmp ${implicit_dirs_match})
endif()
if("${output_lines}" MATCHES ";Framework search paths:((;\t[^;]+)+)")
string(REPLACE ";\t" ";" implicit_fwks_match "${CMAKE_MATCH_1}")
set(log "${log} Framework search paths: [${implicit_fwks_match}]\n")
list(APPEND implicit_fwks_tmp ${implicit_fwks_match})
endif()
# Cleanup list of libraries and flags.
# We remove items that are not language-specific.
set(implicit_libs "")
foreach(lib IN LISTS implicit_libs_tmp)
if("x${lib}" MATCHES "^x(crt.*\\.o|gcc.*|System.*)$")
set(log "${log} remove lib [${lib}]\n")
elseif(IS_ABSOLUTE "${lib}")
get_filename_component(abs "${lib}" ABSOLUTE)
if(NOT "x${lib}" STREQUAL "x${abs}")
set(log "${log} collapse lib [${lib}] ==> [${abs}]\n")
endif()
list(APPEND implicit_libs "${abs}")
else()
list(APPEND implicit_libs "${lib}")
endif()
endforeach()
# Cleanup list of library and framework directories.
set(desc_dirs "library")
set(desc_fwks "framework")
foreach(t dirs fwks)
set(implicit_${t} "")
foreach(d IN LISTS implicit_${t}_tmp)
get_filename_component(dir "${d}" ABSOLUTE)
string(FIND "${dir}" "${CMAKE_FILES_DIRECTORY}/" pos)
if(NOT pos LESS 0)
set(msg ", skipping non-system directory")
else()
set(msg "")
list(APPEND implicit_${t} "${dir}")
endif()
set(log "${log} collapse ${desc_${t}} dir [${d}] ==> [${dir}]${msg}\n")
endforeach()
list(REMOVE_DUPLICATES implicit_${t})
endforeach()
# Log results.
set(log "${log} implicit libs: [${implicit_libs}]\n")
set(log "${log} implicit dirs: [${implicit_dirs}]\n")
set(log "${log} implicit fwks: [${implicit_fwks}]\n")
# Return results.
set(${lib_var} "${implicit_libs}" PARENT_SCOPE)
set(${dir_var} "${implicit_dirs}" PARENT_SCOPE)
set(${fwk_var} "${implicit_fwks}" PARENT_SCOPE)
set(${log_var} "${log}" PARENT_SCOPE)
endfunction()
|
