1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Copyright 2013 Alexis Laferrière <alexis.laf@xymus.net>
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
17 # Offers the `PkgconfigPhase` to use the external program "pkg-config" in order
18 # to discover what options to pass to the C or C++ compiler.
23 redef class ToolContext
24 var pkgconfig_phase
: Phase = new PkgconfigPhase(self, null)
27 # Detects the `pkgconfig` annotation on the module declaration only.
31 redef fun process_annotated_node
(nmoduledecl
, nat
)
33 # Skip if we are not interested
34 if nat
.n_atid
.n_id
.text
!= "pkgconfig" then return
36 # Do some validity checks and print errors if the annotation is used incorrectly
37 var modelbuilder
= toolcontext
.modelbuilder
39 if not nmoduledecl
isa AModuledecl then
40 modelbuilder
.error
(nat
, "Syntax error: only the declaration of modules may use \"pkgconfig\
".")
46 modelbuilder
.error
(nat
, "Syntax error: \"pkgconfig\
" expects at least one argument.")
50 var pkgs
= new Array[String]
52 if not arg
isa AExprAtArg then
53 modelbuilder
.error
(nat
, "Syntax error: \"pkgconfig\
" expects its arguments to be the name of the package as String literals.")
58 if not expr
isa AStringFormExpr then
59 modelbuilder
.error
(nat
, "Syntax error: \"pkgconfig\
" expects its arguments to be the name of the package as String literals.")
63 var pkg
= expr
.collect_text
64 pkg
= pkg
.substring
(1, pkg
.length-2
)
69 var nmodule
= nmoduledecl
.parent
.as(AModule)
70 var mmodule
= nmodule
.mmodule
.as(not null)
72 # check availability of pkg-config
73 var proc_which
= new IProcess("which", "pkg-config")
75 var status
= proc_which
.status
77 modelbuilder
.error
(nat
, "Error: program pkg-config not found, make sure it is installed.")
82 var proc_exist
= new Process("pkg-config", "--exists", pkg
)
84 status
= proc_exist
.status
86 modelbuilder
.error
(nat
, "Error: package \"{pkg}\
" unknown by pkg-config, make sure the development package is be installed.")
88 else if status
!= 0 then
89 modelbuilder
.error
(nat
, "Error: something went wrong calling pkg-config, make sure it is correctly installed.")
94 var proc
= new IProcess("pkg-config", "--cflags", pkg
)
95 var compiler_opts
= proc
.read_all
96 mmodule
.c_compiler_options
= "{mmodule.c_compiler_options} {compiler_opts.replace("\n", " ")}"
99 proc
= new IProcess("pkg-config", "--libs", pkg
)
100 var linker_opts
= proc
.read_all
101 mmodule
.c_linker_options
= "{mmodule.c_linker_options} {linker_opts.replace("\n", " ")}"