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
|
# translate a list of libraries into a command-line that can be passed to the
# compiler/linker. first parameter is the name of the variable that will
# receive this list, the rest is considered the list of libraries
function (linker_cmdline what INTO outvar FROM)
# if we are going to put these in regexps, we must escape period
string (REPLACE "." "\\." esc_dl_pref "${CMAKE_SHARED_LIBRARY_PREFIX}")
string (REPLACE "." "\\." esc_dl_suff "${CMAKE_SHARED_LIBRARY_SUFFIX}")
string (REPLACE "." "\\." esc_ar_pref "${CMAKE_STATIC_LIBRARY_PREFIX}")
string (REPLACE "." "\\." esc_ar_suff "${CMAKE_STATIC_LIBRARY_PREFIX}")
# CMake loves absolute paths, whereas libtool won't have any of it!
# (you get an error message about argument not parsed). translate each
# of the libraries into a linker option
set (deplib_list "")
foreach (deplib IN LISTS ARGN)
# starts with a hyphen already? then just add it
string (SUBSTRING ${deplib} 0 1 dash)
if (${dash} STREQUAL "-")
list (APPEND deplib_list ${deplib})
else (${dash} STREQUAL "-")
# otherwise, parse the name into a directory and a name
get_filename_component (deplib_dir ${deplib} PATH)
get_filename_component (deplib_orig ${deplib} NAME)
string (REGEX REPLACE
"^${esc_dl_pref}(.*)${esc_dl_suff}$"
"\\1"
deplib_name
${deplib_orig}
)
string (REGEX REPLACE
"^${esc_ar_pref}(.*)${esc_ar_suff}$"
"\\1"
deplib_name
${deplib_name}
)
# directory and name each on their own; this is somewhat
# unsatisfactory because it may be that a system dir is specified
# by an earlier directory and you start picking up libraries from
# there instead of the "closest" path here. also, the soversion
# is more or less lost. remove system default path, to lessen the
# chance that we pick the wrong library
if (NOT ((deplib_dir STREQUAL "/usr/lib") OR
(deplib_dir STREQUAL "/usr/${CMAKE_INSTALL_LIBDIR}")))
list (APPEND deplib_list "-L${deplib_dir}")
endif (NOT ((deplib_dir STREQUAL "/usr/lib") OR
(deplib_dir STREQUAL "/usr/${CMAKE_INSTALL_LIBDIR}")))
# if there was no translation of the name, the library is named
# unconventionally (.so.3gf, I'm looking at you), so pass this
# name unmodified to the linker switch
if (deplib_orig STREQUAL deplib_name)
list (APPEND deplib_list "-l:${deplib_orig}")
else (deplib_orig STREQUAL deplib_name)
list (APPEND deplib_list "-l${deplib_name}")
endif (deplib_orig STREQUAL deplib_name)
endif (${dash} STREQUAL "-")
endforeach (deplib)
# caller determines whether we want it returned as a list or a string
if ("${what}" STREQUAL "LIST")
set (${outvar} ${deplib_list})
else ("${what}" STREQUAL "LIST")
set (${outvar} "${deplib_list}")
string (REPLACE ";" " " ${outvar} "${${outvar}}")
endif ("${what}" STREQUAL "LIST")
set (${outvar} "${${outvar}}" PARENT_SCOPE)
endfunction (linker_cmdline what INTO outvar FROM)
# convert a list back to a command-line string
function (unseparate_args var_name prefix value)
separate_arguments (value)
foreach (item IN LISTS value)
set (prefixed_item "${prefix}${item}")
if (${var_name})
set (${var_name} "${${var_name}} ${prefixed_item}")
else (${var_name})
set (${var_name} "${prefixed_item}")
endif (${var_name})
endforeach (item)
set (${var_name} "${${var_name}}" PARENT_SCOPE)
endfunction (unseparate_args var_name prefix value)
# wrapper to set variables in pkg-config file
function (configure_pc_file name source dest prefix libdir includedir)
# escape set of standard strings
unseparate_args (includes "-I" "${${name}_INCLUDE_DIRS}")
unseparate_args (defs "" "${${name}_DEFINITIONS}")
linker_cmdline (STRING INTO libs FROM ${${name}_LIBRARIES})
# necessary to make these variables visible to configure_file
set (name "${${name}_NAME}")
set (description "${${name}_DESCRIPTION}")
set (major "${${name}_VERSION_MAJOR}")
set (minor "${${name}_VERSION_MINOR}")
set (target "${name}")
linker_cmdline (STRING INTO target from ${target})
configure_file (${source} ${dest} @ONLY)
endfunction (configure_pc_file name source dist prefix libdir includedir)
|
