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 # 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 $SP_LIB_VERSION"
70 AC_SUBST(SP_LIB_VERSION_CURRENT)
71 AC_SUBST(SP_LIB_VERSION_REVISION)
72 AC_SUBST(SP_LIB_VERSION_AGE)
73 AC_SUBST(SP_LIB_VERSION)
74 AC_SUBST(SP_LIB_LDFLAGS)
76 # Checks for libraries.
82 AM_CONDITIONAL([LINUX], true)
83 AM_CONDITIONAL([WIN32], false)
84 AM_CONDITIONAL([MACOSX], false)
85 AM_CONDITIONAL([FREEBSD], false)
88 AM_CONDITIONAL([LINUX], false)
89 AM_CONDITIONAL([WIN32], false)
90 AM_CONDITIONAL([MACOSX], true)
91 AM_CONDITIONAL([FREEBSD], false)
92 LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
93 AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
96 AM_CONDITIONAL([LINUX], false)
97 AM_CONDITIONAL([WIN32], true)
98 AM_CONDITIONAL([MACOSX], false)
99 AM_CONDITIONAL([FREEBSD], false)
103 AM_CONDITIONAL([LINUX], false)
104 AM_CONDITIONAL([WIN32], false)
105 AM_CONDITIONAL([MACOSX], false)
106 AM_CONDITIONAL([FREEBSD], true)
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])
119 # Define size_t if not defined as standard.
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>]])
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>
149 #error BOTHER is not defined
152 [AC_DEFINE(HAVE_BOTHER, 1, [BOTHER macro is available])
153 AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])])
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>]])
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) { }
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) { }
172 [AC_DEFINE(SP_API, __declspec(dllexport))]
173 [AC_DEFINE(SP_PRIV,)],
175 [AC_DEFINE(SP_PRIV,)]))
178 AC_SUBST(MAKEFLAGS, '--no-print-directory')
179 AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
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
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)
191 AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
196 echo "libserialport configuration summary:"
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"