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], [2])
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])
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 # Enable more compiler warnings.
46 CFLAGS="$CFLAGS -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes -Wshadow"
48 # Checks for programs.
57 # Initialize pkg-config.
58 # We require at least 0.22, as "Requires.private" behaviour changed there.
59 PKG_PROG_PKG_CONFIG([0.22])
61 # Library version for libserialport (NOT the same as the package version).
62 # Carefully read the libtool docs before updating these numbers!
63 # The algorithm for determining which number to change (and how) is nontrivial!
64 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
65 SP_LIB_VERSION_CURRENT=0
66 SP_LIB_VERSION_REVISION=0
68 SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"
69 SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION"
70 AC_SUBST(SP_LIB_VERSION_CURRENT)
71 AC_SUBST(SP_LIB_VERSION_REVISION)
72 AC_SUBST(SP_LIB_VERSION_AGE)
73 AC_SUBST(SP_LIB_VERSION)
74 AC_SUBST(SP_LIB_LDFLAGS)
76 # Checks for libraries.
78 # This variable collects the pkg-config names of all detected libs.
79 # It is then used to construct the "Requires.private:" field in the
80 # libserialport.pc file.
86 AM_CONDITIONAL([LINUX], true)
87 AM_CONDITIONAL([WIN32], false)
88 AM_CONDITIONAL([MACOSX], false)
89 AM_CONDITIONAL([FREEBSD], false)
92 AM_CONDITIONAL([LINUX], false)
93 AM_CONDITIONAL([WIN32], false)
94 AM_CONDITIONAL([MACOSX], true)
95 AM_CONDITIONAL([FREEBSD], false)
96 LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
97 AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
100 AM_CONDITIONAL([LINUX], false)
101 AM_CONDITIONAL([WIN32], true)
102 AM_CONDITIONAL([MACOSX], false)
103 AM_CONDITIONAL([FREEBSD], false)
104 SP_LIBS="-lsetupapi -luuid"
107 AM_CONDITIONAL([LINUX], false)
108 AM_CONDITIONAL([WIN32], false)
109 AM_CONDITIONAL([MACOSX], false)
110 AM_CONDITIONAL([FREEBSD], true)
113 AM_CONDITIONAL([LINUX], false)
114 AM_CONDITIONAL([WIN32], false)
115 AM_CONDITIONAL([MACOSX], false)
116 AM_CONDITIONAL([FREEBSD], false)
117 AC_DEFINE(NO_ENUMERATION,,[Enumeration is unsupported])
118 AC_DEFINE(NO_PORT_METADATA,,[Port metadata is unavailable])
124 # Define size_t if not defined as standard.
127 # Check for specific termios structures.
128 AC_CHECK_TYPE([struct termios2],
129 [AC_DEFINE(HAVE_TERMIOS2, 1,
130 [struct termios2 is available.])],
131 [], [[#include <linux/termios.h>]])
132 AC_CHECK_TYPE([struct termiox],
133 [AC_DEFINE(HAVE_TERMIOX, 1,
134 [struct termiox is available.])],
135 [], [[#include <linux/termios.h>]])
136 AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed],
137 [AC_DEFINE(HAVE_TERMIOS_SPEED, 1,
138 [struct termios has c_ispeed/c_ospeed.])],
139 [], [[#include <linux/termios.h>]])
140 AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed],
141 [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1,
142 [struct termios2 has c_ispeed/c_ospeed.])],
143 [], [[#include <linux/termios.h>]])
145 # Check for the BOTHER definition, needed for setting arbitrary baud rates.
146 # We can't just #ifdef BOTHER in the code, because of the separation between
147 # code using libc headers and code using kernel termios.h headers.
148 AC_MSG_CHECKING(for BOTHER)
149 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
150 #include <linux/termios.h>
154 #error BOTHER is not defined
157 [AC_DEFINE(HAVE_BOTHER, 1, [BOTHER macro is available])
158 AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
160 # Check for serial_struct.
161 AC_CHECK_TYPE([struct serial_struct],
162 [AC_DEFINE(HAVE_SERIAL_STRUCT, 1,
163 [struct serial is available.])],
164 [], [[#include <linux/serial.h>]])
166 saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror"
167 AC_DEFINE(SP_API,,[Macro preceding public API functions])
168 AC_DEFINE(SP_PRIV,,[Macro preceding private functions])
169 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
170 __attribute__((visibility("hidden"))) void foo(void) { }
172 [AC_DEFINE(SP_API, __attribute__((visibility("default"))))]
173 [AC_DEFINE(SP_PRIV, __attribute__((visibility("hidden"))))],
174 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
175 __declspec(dllexport) void foo(void) { }
177 [AC_DEFINE(SP_API, __declspec(dllexport))]
178 [AC_DEFINE(SP_PRIV,)],
180 [AC_DEFINE(SP_PRIV,)]))
183 AC_SUBST(MAKEFLAGS, '--no-print-directory')
184 AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
186 SP_PACKAGE_VERSION_MAJOR=sp_package_version_major
187 SP_PACKAGE_VERSION_MINOR=sp_package_version_minor
188 SP_PACKAGE_VERSION_MICRO=sp_package_version_micro
189 SP_PACKAGE_VERSION=sp_package_version
191 AC_SUBST(SP_PACKAGE_VERSION_MAJOR)
192 AC_SUBST(SP_PACKAGE_VERSION_MINOR)
193 AC_SUBST(SP_PACKAGE_VERSION_MICRO)
194 AC_SUBST(SP_PACKAGE_VERSION)
196 AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
201 echo "libserialport configuration summary:"
203 echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION"
204 echo " - Library version (current:revision:age): $SP_LIB_VERSION"
205 echo " - Prefix: $prefix"
206 echo " - Building on: $build"
207 echo " - Building for: $host"