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], [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_MACRO_DIR([autostuff])
33 AC_CONFIG_AUX_DIR([autostuff])
37 # We require at least automake 1.11 (needed for 'silent rules').
38 AM_INIT_AUTOMAKE([1.11 -Wall -Werror])
39 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
40 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
42 # Enable more compiler warnings via -Wall and -Wextra.
43 CFLAGS="$CFLAGS -Wall -Wextra"
45 # Checks for programs.
54 # Initialize pkg-config.
55 # We require at least 0.22, as "Requires.private" behaviour changed there.
56 PKG_PROG_PKG_CONFIG([0.22])
58 # Library version for libserialport (NOT the same as the package version).
59 # Carefully read the libtool docs before updating these numbers!
60 # The algorithm for determining which number to change (and how) is nontrivial!
61 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
62 SP_LIB_VERSION_CURRENT=0
63 SP_LIB_VERSION_REVISION=0
65 SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"
66 SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION"
67 AC_SUBST(SP_LIB_VERSION_CURRENT)
68 AC_SUBST(SP_LIB_VERSION_REVISION)
69 AC_SUBST(SP_LIB_VERSION_AGE)
70 AC_SUBST(SP_LIB_VERSION)
71 AC_SUBST(SP_LIB_LDFLAGS)
73 # Checks for libraries.
75 # This variable collects the pkg-config names of all detected libs.
76 # It is then used to construct the "Requires.private:" field in the
77 # libserialport.pc file.
82 AM_CONDITIONAL([LINUX], true)
83 # On Linux libudev is currently required for enumeration.
84 AC_ARG_WITH([libudev],
85 [AS_HELP_STRING([--with-libudev],
86 [use libudev for serial port enumeration @<:@default=check@:>@])],
87 [], [with_libudev=check])
88 AS_IF([test "x$with_libudev" != xno], [
89 PKG_CHECK_MODULES([libudev], [libudev >= 0],
90 [CFLAGS="$CFLAGS $libudev_CFLAGS"; LIBS="$LIBS $libudev_LIBS";
91 SP_PKGLIBS="$SP_PKGLIBS libudev"; AC_DEFINE(HAVE_LIBUDEV)])], [])
94 AM_CONDITIONAL([LINUX], false)
95 LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
96 AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
99 AM_CONDITIONAL([LINUX], false)
104 # Define size_t if not defined as standard.
107 # Check for specific termios structures.
108 AC_CHECK_TYPE([struct termios2], [AC_DEFINE(HAVE_TERMIOS2, 1)], [], [[#include <linux/termios.h>]])
109 AC_CHECK_TYPE([struct termiox], [AC_DEFINE(HAVE_TERMIOX, 1)], [], [[#include <linux/termios.h>]])
110 AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed],
111 [AC_DEFINE(HAVE_TERMIOS_SPEED, 1)], [], [[#include <linux/termios.h>]])
112 AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed],
113 [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1)], [], [[#include <linux/termios.h>]])
115 AC_SUBST(MAKEFLAGS, '--no-print-directory')
116 AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
118 SP_PACKAGE_VERSION_MAJOR=sp_package_version_major
119 SP_PACKAGE_VERSION_MINOR=sp_package_version_minor
120 SP_PACKAGE_VERSION_MICRO=sp_package_version_micro
121 SP_PACKAGE_VERSION=sp_package_version
123 AC_SUBST(SP_PACKAGE_VERSION_MAJOR)
124 AC_SUBST(SP_PACKAGE_VERSION_MINOR)
125 AC_SUBST(SP_PACKAGE_VERSION_MICRO)
126 AC_SUBST(SP_PACKAGE_VERSION)
128 AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
133 echo "libserialport configuration summary:"
135 echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION"
136 echo " - Library version (current:revision:age): $SP_LIB_VERSION"
137 echo " - Prefix: $prefix"
138 echo " - Building on: $build"
139 echo " - Building for: $host"