2 ## This file is part of the libserialport project.
4 ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
5 ## Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li>
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.
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.
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/>.
21 # We require at least autoconf 2.63 (AC_INIT format changed there).
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])
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])
36 AH_TOP([#ifndef SP_CONFIG_H
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])
45 # Checks for programs.
54 # Initialize pkg-config.
55 # We require at least 0.22, as "Requires.private" behaviour changed there.
56 PKG_PROG_PKG_CONFIG([0.22])
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
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)
73 # Checks for libraries.
79 AM_CONDITIONAL([LINUX], true)
80 AM_CONDITIONAL([WIN32], false)
81 AM_CONDITIONAL([MACOSX], false)
82 AM_CONDITIONAL([FREEBSD], false)
85 AM_CONDITIONAL([LINUX], false)
86 AM_CONDITIONAL([WIN32], false)
87 AM_CONDITIONAL([MACOSX], true)
88 AM_CONDITIONAL([FREEBSD], false)
89 AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
92 AM_CONDITIONAL([LINUX], false)
93 AM_CONDITIONAL([WIN32], true)
94 AM_CONDITIONAL([MACOSX], false)
95 AM_CONDITIONAL([FREEBSD], false)
99 AM_CONDITIONAL([LINUX], false)
100 AM_CONDITIONAL([WIN32], false)
101 AM_CONDITIONAL([MACOSX], false)
102 AM_CONDITIONAL([FREEBSD], true)
105 AM_CONDITIONAL([LINUX], false)
106 AM_CONDITIONAL([WIN32], false)
107 AM_CONDITIONAL([MACOSX], false)
108 AM_CONDITIONAL([FREEBSD], false)
109 AC_DEFINE(NO_ENUMERATION,,[Enumeration is unsupported])
110 AC_DEFINE(NO_PORT_METADATA,,[Port metadata is unavailable])
115 # Define size_t if not defined as standard.
118 # Check for specific termios structures.
119 AC_CHECK_TYPE([struct termios2],
120 [AC_DEFINE(HAVE_TERMIOS2, 1,
121 [struct termios2 is available.])],
122 [], [[#include <linux/termios.h>]])
123 AC_CHECK_TYPE([struct termiox],
124 [AC_DEFINE(HAVE_TERMIOX, 1,
125 [struct termiox is available.])],
126 [], [[#include <linux/termios.h>]])
127 AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed],
128 [AC_DEFINE(HAVE_TERMIOS_SPEED, 1,
129 [struct termios has c_ispeed/c_ospeed.])],
130 [], [[#include <linux/termios.h>]])
131 AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed],
132 [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1,
133 [struct termios2 has c_ispeed/c_ospeed.])],
134 [], [[#include <linux/termios.h>]])
136 # Check for the BOTHER definition, needed for setting arbitrary baud rates.
137 # We can't just #ifdef BOTHER in the code, because of the separation between
138 # code using libc headers and code using kernel termios.h headers.
139 AC_MSG_CHECKING(for BOTHER)
140 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
141 #include <linux/termios.h>
145 #error BOTHER is not defined
148 [AC_DEFINE(HAVE_BOTHER, 1, [BOTHER macro is available])
149 AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
151 # Check for serial_struct.
152 AC_CHECK_TYPE([struct serial_struct],
153 [AC_DEFINE(HAVE_SERIAL_STRUCT, 1,
154 [struct serial is available.])],
155 [], [[#include <linux/serial.h>]])
157 saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror"
158 AC_DEFINE(SP_API,,[Macro preceding public API functions])
159 AC_DEFINE(SP_PRIV,,[Macro preceding private functions])
160 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
161 __attribute__((visibility("hidden"))) void foo(void) { }
163 [AC_DEFINE(SP_API, __attribute__((visibility("default"))))]
164 [AC_DEFINE(SP_PRIV, __attribute__((visibility("hidden"))))],
165 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
166 __declspec(dllexport) void foo(void) { }
168 [AC_DEFINE(SP_API, __declspec(dllexport))]
169 [AC_DEFINE(SP_PRIV,)],
171 [AC_DEFINE(SP_PRIV,)]))
174 AC_SUBST(MAKEFLAGS, '--no-print-directory')
175 AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
177 SP_PACKAGE_VERSION_MAJOR=sp_package_version_major
178 SP_PACKAGE_VERSION_MINOR=sp_package_version_minor
179 SP_PACKAGE_VERSION_MICRO=sp_package_version_micro
180 SP_PACKAGE_VERSION=sp_package_version
182 AC_SUBST(SP_PACKAGE_VERSION_MAJOR)
183 AC_SUBST(SP_PACKAGE_VERSION_MINOR)
184 AC_SUBST(SP_PACKAGE_VERSION_MICRO)
185 AC_SUBST(SP_PACKAGE_VERSION)
187 AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
192 echo "libserialport configuration summary:"
194 echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION"
195 echo " - Library version (current:revision:age): $SP_LIB_VERSION"
196 echo " - Prefix: $prefix"
197 echo " - Building on: $build"
198 echo " - Building for: $host"