blob: 9e3ad8541445442635c18992fdb495ebfb5bf34e (
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
|
<?xml version='1.0'?>
<!--
SPDX-FileCopyrightText: Copyright The SCons Foundation (https://scons.org)
SPDX-License-Identifier: MIT
-->
<!DOCTYPE sconsdoc [
<!ENTITY % scons SYSTEM "../scons.mod">
%scons;
<!ENTITY % builders-mod SYSTEM "../generated/builders.mod">
%builders-mod;
<!ENTITY % functions-mod SYSTEM "../generated/functions.mod">
%functions-mod;
<!ENTITY % tools-mod SYSTEM "../generated/tools.mod">
%tools-mod;
<!ENTITY % variables-mod SYSTEM "../generated/variables.mod">
%variables-mod;
]>
<section id="sect-parse_flags_"
xmlns="http://www.scons.org/dbxsd/v1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">
<title>Merging Options While Creating Environment: the <parameter>parse_flags</parameter> Parameter</title>
<para>
It is also possible to merge &consvar; values from arguments
given to the &f-link-Environment; call itself.
If the <parameter>parse_flags</parameter> keyword argument
is given, its value is distributed to &consvars; in the
new environment in the same way as
described for the &MergeFlags; method.
This also works when calling &f-link-env-Clone;,
as well as in overrides to builder methods
(see <xref linkend="builder_overrides"/>).
</para>
<scons_example name="parse_flags_ex1">
<file name="SConstruct" printme="1">
env = Environment(parse_flags="-I/opt/include -L/opt/lib -lfoo")
for k in ('CPPPATH', 'LIBPATH', 'LIBS'):
print("%s:" % k, env.get(k))
env.Program("f1.c")
</file>
<file name="f1.c">
int main() { return 0; }
</file>
</scons_example>
<scons_output example="parse_flags_ex1" os="posix" suffix="1">
<scons_output_command>scons -Q</scons_output_command>
</scons_output>
</section>
|
