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1 | ## | |
2 | ## This file is part of the libserialport project. | |
3 | ## | |
4 | ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | ## Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li> | |
6 | ## | |
7 | ## This program is free software: you can redistribute it and/or modify | |
8 | ## it under the terms of the GNU Lesser General Public License as | |
9 | ## published by the Free Software Foundation, either version 3 of the | |
10 | ## License, or (at your option) any later version. | |
11 | ## | |
12 | ## This program is distributed in the hope that it will be useful, | |
13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ## GNU General Public License for more details. | |
16 | ## | |
17 | ## You should have received a copy of the GNU Lesser General Public License | |
18 | ## along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | ## | |
20 | ||
21 | # We require at least autoconf 2.63 (AC_INIT format changed there). | |
22 | AC_PREREQ([2.63]) | |
23 | ||
24 | # libserialport package version number (NOT the same as shared lib version!). | |
25 | m4_define([sp_package_version_major], [0]) | |
26 | m4_define([sp_package_version_minor], [1]) | |
27 | m4_define([sp_package_version_micro], [0]) | |
28 | m4_define([sp_package_version], [sp_package_version_major.sp_package_version_minor.sp_package_version_micro]) | |
29 | ||
30 | AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li], | |
31 | [libserialport], [http://sigrok.org/wiki/Libserialport]) | |
32 | AC_CONFIG_MACRO_DIR([autostuff]) | |
33 | AC_CONFIG_AUX_DIR([autostuff]) | |
34 | ||
35 | AC_CANONICAL_TARGET | |
36 | ||
37 | # We require at least automake 1.11 (needed for 'silent rules'). | |
38 | AM_INIT_AUTOMAKE([1.11 -Wall -Werror check-news]) | |
39 | m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) | |
40 | m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) | |
41 | ||
42 | # Enable more compiler warnings via -Wall and -Wextra. | |
43 | CFLAGS="$CFLAGS -Wall -Wextra" | |
44 | ||
45 | # Checks for programs. | |
46 | AC_PROG_CC | |
47 | AC_PROG_CPP | |
48 | AC_PROG_INSTALL | |
49 | AC_PROG_LN_S | |
50 | ||
51 | # Initialize libtool. | |
52 | LT_INIT | |
53 | ||
54 | # Initialize pkg-config. | |
55 | # We require at least 0.22, as "Requires.private" behaviour changed there. | |
56 | PKG_PROG_PKG_CONFIG([0.22]) | |
57 | ||
58 | # Library version for libserialport (NOT the same as the package version). | |
59 | # Carefully read the libtool docs before updating these numbers! | |
60 | # The algorithm for determining which number to change (and how) is nontrivial! | |
61 | # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info | |
62 | SP_LIB_VERSION_CURRENT=0 | |
63 | SP_LIB_VERSION_REVISION=0 | |
64 | SP_LIB_VERSION_AGE=0 | |
65 | SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE" | |
66 | SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION" | |
67 | AC_SUBST(SP_LIB_VERSION_CURRENT) | |
68 | AC_SUBST(SP_LIB_VERSION_REVISION) | |
69 | AC_SUBST(SP_LIB_VERSION_AGE) | |
70 | AC_SUBST(SP_LIB_VERSION) | |
71 | AC_SUBST(SP_LIB_LDFLAGS) | |
72 | ||
73 | # Checks for libraries. | |
74 | ||
75 | # This variable collects the pkg-config names of all detected libs. | |
76 | # It is then used to construct the "Requires.private:" field in the | |
77 | # libserialport.pc file. | |
78 | SP_PKGLIBS="" | |
79 | ||
80 | case $target_os in | |
81 | *linux*) | |
82 | AM_CONDITIONAL([LINUX], true) | |
83 | ;; | |
84 | *darwin*) | |
85 | AM_CONDITIONAL([LINUX], false) | |
86 | LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation" | |
87 | AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])]) | |
88 | ;; | |
89 | *) | |
90 | AM_CONDITIONAL([LINUX], false) | |
91 | esac | |
92 | ||
93 | AC_SUBST(SP_PKGLIBS) | |
94 | ||
95 | # Define size_t if not defined as standard. | |
96 | AC_TYPE_SIZE_T | |
97 | ||
98 | # Check for specific termios structures. | |
99 | AC_CHECK_TYPE([struct termios2], [AC_DEFINE(HAVE_TERMIOS2, 1)], [], [[#include <linux/termios.h>]]) | |
100 | AC_CHECK_TYPE([struct termiox], [AC_DEFINE(HAVE_TERMIOX, 1)], [], [[#include <linux/termios.h>]]) | |
101 | AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed], | |
102 | [AC_DEFINE(HAVE_TERMIOS_SPEED, 1)], [], [[#include <linux/termios.h>]]) | |
103 | AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed], | |
104 | [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1)], [], [[#include <linux/termios.h>]]) | |
105 | ||
106 | AC_SUBST(MAKEFLAGS, '--no-print-directory') | |
107 | AC_SUBST(AM_LIBTOOLFLAGS, '--silent') | |
108 | ||
109 | SP_PACKAGE_VERSION_MAJOR=sp_package_version_major | |
110 | SP_PACKAGE_VERSION_MINOR=sp_package_version_minor | |
111 | SP_PACKAGE_VERSION_MICRO=sp_package_version_micro | |
112 | SP_PACKAGE_VERSION=sp_package_version | |
113 | ||
114 | AC_SUBST(SP_PACKAGE_VERSION_MAJOR) | |
115 | AC_SUBST(SP_PACKAGE_VERSION_MINOR) | |
116 | AC_SUBST(SP_PACKAGE_VERSION_MICRO) | |
117 | AC_SUBST(SP_PACKAGE_VERSION) | |
118 | ||
119 | AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc]) | |
120 | ||
121 | AC_OUTPUT | |
122 | ||
123 | echo | |
124 | echo "libserialport configuration summary:" | |
125 | echo | |
126 | echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION" | |
127 | echo " - Library version (current:revision:age): $SP_LIB_VERSION" | |
128 | echo " - Prefix: $prefix" | |
129 | echo " - Building on: $build" | |
130 | echo " - Building for: $host" | |
131 | echo |