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_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 check-news])
39 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
40 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
42 # Enable more compiler warnings.
43 CFLAGS="$CFLAGS -std=c99 -Wall -Wextra -pedantic"
45 # Checks for programs.
54 # Initialize pkg-config.
55 # We require at least 0.22, as "Requires.private" behaviour changed there.
56 PKG_PROG_PKG_CONFIG([0.22])
58 # Library version for libserialport (NOT the same as the package version).
59 # Carefully read the libtool docs before updating these numbers!
60 # The algorithm for determining which number to change (and how) is nontrivial!
61 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
62 SP_LIB_VERSION_CURRENT=0
63 SP_LIB_VERSION_REVISION=0
65 SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE"
66 SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION"
67 AC_SUBST(SP_LIB_VERSION_CURRENT)
68 AC_SUBST(SP_LIB_VERSION_REVISION)
69 AC_SUBST(SP_LIB_VERSION_AGE)
70 AC_SUBST(SP_LIB_VERSION)
71 AC_SUBST(SP_LIB_LDFLAGS)
73 # Checks for libraries.
75 # This variable collects the pkg-config names of all detected libs.
76 # It is then used to construct the "Requires.private:" field in the
77 # libserialport.pc file.
83 AM_CONDITIONAL([LINUX], true)
84 AM_CONDITIONAL([WIN32], false)
85 AM_CONDITIONAL([MACOSX], false)
88 AM_CONDITIONAL([LINUX], false)
89 AM_CONDITIONAL([WIN32], false)
90 AM_CONDITIONAL([MACOSX], true)
91 LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation"
92 AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])])
95 AM_CONDITIONAL([LINUX], false)
96 AM_CONDITIONAL([WIN32], true)
97 AM_CONDITIONAL([MACOSX], false)
98 SP_LIBS="-lsetupapi -luuid"
101 AM_CONDITIONAL([LINUX], false)
102 AM_CONDITIONAL([WIN32], false)
103 AM_CONDITIONAL([MACOSX], false)
104 AC_DEFINE(NO_ENUMERATION)
105 AC_DEFINE(NO_PORT_METADATA)
111 # Define size_t if not defined as standard.
114 # Check for specific termios structures.
115 AC_CHECK_TYPE([struct termios2], [AC_DEFINE(HAVE_TERMIOS2, 1)], [], [[#include <linux/termios.h>]])
116 AC_CHECK_TYPE([struct termiox], [AC_DEFINE(HAVE_TERMIOX, 1)], [], [[#include <linux/termios.h>]])
117 AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed],
118 [AC_DEFINE(HAVE_TERMIOS_SPEED, 1)], [], [[#include <linux/termios.h>]])
119 AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed],
120 [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1)], [], [[#include <linux/termios.h>]])
122 # Check for readlinkat.
123 AC_CHECK_FUNC([readlinkat], [AC_DEFINE(HAVE_READLINKAT, 1)], [])
125 # Check for serial_struct.
126 AC_CHECK_TYPE([struct serial_struct], [AC_DEFINE(HAVE_SERIAL_STRUCT, 1)],
127 [], [[#include <linux/serial.h>]])
129 saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror"
130 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
131 __attribute__((visibility("hidden"))) void foo(void) { }
133 [AC_DEFINE(SP_API , __attribute__((visibility("default"))))]
134 [AC_DEFINE(SP_PRIV, __attribute__((visibility("hidden"))))],
135 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
136 __declspec(dllexport) void foo(void) { }
138 [AC_DEFINE(SP_API , __declspec(dllexport))]
139 [AC_DEFINE(SP_PRIV,)],
141 [AC_DEFINE(SP_PRIV,)]))
144 AC_SUBST(MAKEFLAGS, '--no-print-directory')
145 AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
147 SP_PACKAGE_VERSION_MAJOR=sp_package_version_major
148 SP_PACKAGE_VERSION_MINOR=sp_package_version_minor
149 SP_PACKAGE_VERSION_MICRO=sp_package_version_micro
150 SP_PACKAGE_VERSION=sp_package_version
152 AC_SUBST(SP_PACKAGE_VERSION_MAJOR)
153 AC_SUBST(SP_PACKAGE_VERSION_MINOR)
154 AC_SUBST(SP_PACKAGE_VERSION_MICRO)
155 AC_SUBST(SP_PACKAGE_VERSION)
157 AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc])
162 echo "libserialport configuration summary:"
164 echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION"
165 echo " - Library version (current:revision:age): $SP_LIB_VERSION"
166 echo " - Prefix: $prefix"
167 echo " - Building on: $build"
168 echo " - Building for: $host"