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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], [1]) | |
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_HEADERS([config.h]) | |
33 | AC_CONFIG_MACRO_DIR([autostuff]) | |
34 | AC_CONFIG_AUX_DIR([autostuff]) | |
35 | ||
36 | AH_TOP([#ifndef SP_CONFIG_H | |
37 | #define SP_CONFIG_H]) | |
38 | AH_BOTTOM([#endif]) | |
39 | ||
40 | # We require at least automake 1.11 (needed for 'silent rules'). | |
41 | AM_INIT_AUTOMAKE([1.11 -Wall -Werror check-news]) | |
42 | m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) | |
43 | m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) | |
44 | ||
45 | # Enable more compiler warnings. | |
46 | CFLAGS="$CFLAGS -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes -Wshadow" | |
47 | ||
48 | # Checks for programs. | |
49 | AC_PROG_CC | |
50 | AC_PROG_CPP | |
51 | AC_PROG_INSTALL | |
52 | AC_PROG_LN_S | |
53 | ||
54 | # Initialize libtool. | |
55 | LT_INIT | |
56 | ||
57 | # Initialize pkg-config. | |
58 | # We require at least 0.22, as "Requires.private" behaviour changed there. | |
59 | PKG_PROG_PKG_CONFIG([0.22]) | |
60 | ||
61 | # Library version for libserialport (NOT the same as the package version). | |
62 | # Carefully read the libtool docs before updating these numbers! | |
63 | # The algorithm for determining which number to change (and how) is nontrivial! | |
64 | # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info | |
65 | SP_LIB_VERSION_CURRENT=0 | |
66 | SP_LIB_VERSION_REVISION=0 | |
67 | SP_LIB_VERSION_AGE=0 | |
68 | SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE" | |
69 | SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION" | |
70 | AC_SUBST(SP_LIB_VERSION_CURRENT) | |
71 | AC_SUBST(SP_LIB_VERSION_REVISION) | |
72 | AC_SUBST(SP_LIB_VERSION_AGE) | |
73 | AC_SUBST(SP_LIB_VERSION) | |
74 | AC_SUBST(SP_LIB_LDFLAGS) | |
75 | ||
76 | # Checks for libraries. | |
77 | ||
78 | SP_LIBS="" | |
79 | ||
80 | case $host_os in | |
81 | *linux*) | |
82 | AM_CONDITIONAL([LINUX], true) | |
83 | AM_CONDITIONAL([WIN32], false) | |
84 | AM_CONDITIONAL([MACOSX], false) | |
85 | AM_CONDITIONAL([FREEBSD], false) | |
86 | ;; | |
87 | *darwin*) | |
88 | AM_CONDITIONAL([LINUX], false) | |
89 | AM_CONDITIONAL([WIN32], false) | |
90 | AM_CONDITIONAL([MACOSX], true) | |
91 | AM_CONDITIONAL([FREEBSD], false) | |
92 | LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation" | |
93 | AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])]) | |
94 | ;; | |
95 | mingw* | cygwin*) | |
96 | AM_CONDITIONAL([LINUX], false) | |
97 | AM_CONDITIONAL([WIN32], true) | |
98 | AM_CONDITIONAL([MACOSX], false) | |
99 | AM_CONDITIONAL([FREEBSD], false) | |
100 | SP_LIBS="-lsetupapi" | |
101 | ;; | |
102 | *freebsd*) | |
103 | AM_CONDITIONAL([LINUX], false) | |
104 | AM_CONDITIONAL([WIN32], false) | |
105 | AM_CONDITIONAL([MACOSX], false) | |
106 | AM_CONDITIONAL([FREEBSD], true) | |
107 | ;; | |
108 | *) | |
109 | AM_CONDITIONAL([LINUX], false) | |
110 | AM_CONDITIONAL([WIN32], false) | |
111 | AM_CONDITIONAL([MACOSX], false) | |
112 | AM_CONDITIONAL([FREEBSD], false) | |
113 | AC_DEFINE(NO_ENUMERATION,,[Enumeration is unsupported]) | |
114 | AC_DEFINE(NO_PORT_METADATA,,[Port metadata is unavailable]) | |
115 | esac | |
116 | ||
117 | AC_SUBST(SP_LIBS) | |
118 | ||
119 | # Define size_t if not defined as standard. | |
120 | AC_TYPE_SIZE_T | |
121 | ||
122 | # Check for specific termios structures. | |
123 | AC_CHECK_TYPE([struct termios2], | |
124 | [AC_DEFINE(HAVE_TERMIOS2, 1, | |
125 | [struct termios2 is available.])], | |
126 | [], [[#include <linux/termios.h>]]) | |
127 | AC_CHECK_TYPE([struct termiox], | |
128 | [AC_DEFINE(HAVE_TERMIOX, 1, | |
129 | [struct termiox is available.])], | |
130 | [], [[#include <linux/termios.h>]]) | |
131 | AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed], | |
132 | [AC_DEFINE(HAVE_TERMIOS_SPEED, 1, | |
133 | [struct termios has c_ispeed/c_ospeed.])], | |
134 | [], [[#include <linux/termios.h>]]) | |
135 | AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed], | |
136 | [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1, | |
137 | [struct termios2 has c_ispeed/c_ospeed.])], | |
138 | [], [[#include <linux/termios.h>]]) | |
139 | ||
140 | # Check for the BOTHER definition, needed for setting arbitrary baud rates. | |
141 | # We can't just #ifdef BOTHER in the code, because of the separation between | |
142 | # code using libc headers and code using kernel termios.h headers. | |
143 | AC_MSG_CHECKING(for BOTHER) | |
144 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
145 | #include <linux/termios.h> | |
146 | ]], | |
147 | [[ | |
148 | #ifndef BOTHER | |
149 | #error BOTHER is not defined | |
150 | #endif | |
151 | ]])], | |
152 | [AC_DEFINE(HAVE_BOTHER, 1, [BOTHER macro is available]) | |
153 | AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) | |
154 | ||
155 | # Check for serial_struct. | |
156 | AC_CHECK_TYPE([struct serial_struct], | |
157 | [AC_DEFINE(HAVE_SERIAL_STRUCT, 1, | |
158 | [struct serial is available.])], | |
159 | [], [[#include <linux/serial.h>]]) | |
160 | ||
161 | saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror" | |
162 | AC_DEFINE(SP_API,,[Macro preceding public API functions]) | |
163 | AC_DEFINE(SP_PRIV,,[Macro preceding private functions]) | |
164 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ | |
165 | __attribute__((visibility("hidden"))) void foo(void) { } | |
166 | ]])], | |
167 | [AC_DEFINE(SP_API, __attribute__((visibility("default"))))] | |
168 | [AC_DEFINE(SP_PRIV, __attribute__((visibility("hidden"))))], | |
169 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ | |
170 | __declspec(dllexport) void foo(void) { } | |
171 | ]])], | |
172 | [AC_DEFINE(SP_API, __declspec(dllexport))] | |
173 | [AC_DEFINE(SP_PRIV,)], | |
174 | [AC_DEFINE(SP_API,)] | |
175 | [AC_DEFINE(SP_PRIV,)])) | |
176 | CFLAGS="$saved" | |
177 | ||
178 | AC_SUBST(MAKEFLAGS, '--no-print-directory') | |
179 | AC_SUBST(AM_LIBTOOLFLAGS, '--silent') | |
180 | ||
181 | SP_PACKAGE_VERSION_MAJOR=sp_package_version_major | |
182 | SP_PACKAGE_VERSION_MINOR=sp_package_version_minor | |
183 | SP_PACKAGE_VERSION_MICRO=sp_package_version_micro | |
184 | SP_PACKAGE_VERSION=sp_package_version | |
185 | ||
186 | AC_SUBST(SP_PACKAGE_VERSION_MAJOR) | |
187 | AC_SUBST(SP_PACKAGE_VERSION_MINOR) | |
188 | AC_SUBST(SP_PACKAGE_VERSION_MICRO) | |
189 | AC_SUBST(SP_PACKAGE_VERSION) | |
190 | ||
191 | AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc]) | |
192 | ||
193 | AC_OUTPUT | |
194 | ||
195 | echo | |
196 | echo "libserialport configuration summary:" | |
197 | echo | |
198 | echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION" | |
199 | echo " - Library version (current:revision:age): $SP_LIB_VERSION" | |
200 | echo " - Prefix: $prefix" | |
201 | echo " - Building on: $build" | |
202 | echo " - Building for: $host" | |
203 | echo |