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
|
<!--
__COPYRIGHT__
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-->
<para>
Configuring the right options to build programs to work with the
libraries--especially shared libraries--installed on a POSIX system
can be very complicated.
Various utilies with names that end in <filename>config</filename>
can return command-line options for the
GNU Compiler Collection
</para>
<para>
&SCons; construction environments have a &ParseConfig; method
that executes a utility and configures
the appropriate construction variables
in the environment
based on the command-line options
returned by the specified command.
</para>
</para>
<scons_example name="ParseConfig1">
<file name="SConstruct" printme="1">
env = Environment()
env.ParseConfig("pkg-config")
</file>
<file name="f1.c">
int f1() { }
</file>
<file name="f2.c">
int f2() { }
</file>
<file name="f3.c">
int f3() { }
</file>
</scons_example>
<para>
&SCons; will execute the specified command string
and XXX
</para>
<scons_output example="ParseConfig1">
<scons_output_command>scons -Q</scons_output_command>
</scons_output>
<para>
XXX
</para>
|
