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0662f2bb ML |
1 | ## |
2 | ## This file is part of the libserialport project. | |
3 | ## | |
4 | ## Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | ## Copyright (C) 2013 Martin Ling <martin-libserialport@earth.li> | |
6 | ## | |
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. | |
11 | ## | |
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. | |
16 | ## | |
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/>. | |
19 | ## | |
20 | ||
21 | # We require at least autoconf 2.63 (AC_INIT format changed there). | |
22 | AC_PREREQ([2.63]) | |
23 | ||
24 | # libserialport package version number (NOT the same as shared lib version!). | |
25 | m4_define([sp_package_version_major], [0]) | |
942a6d34 | 26 | m4_define([sp_package_version_minor], [2]) |
7de20e39 UH |
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]) | |
0662f2bb ML |
29 | |
30 | AC_INIT([libserialport], [sp_package_version], [martin-libserialport@earth.li], | |
728f6de5 | 31 | [libserialport], [http://sigrok.org/wiki/Libserialport]) |
7c081505 | 32 | AC_CONFIG_HEADERS([config.h]) |
0662f2bb ML |
33 | AC_CONFIG_MACRO_DIR([autostuff]) |
34 | AC_CONFIG_AUX_DIR([autostuff]) | |
35 | ||
1ebf4347 ML |
36 | AC_CANONICAL_TARGET |
37 | ||
0662f2bb | 38 | # We require at least automake 1.11 (needed for 'silent rules'). |
9fb99134 | 39 | AM_INIT_AUTOMAKE([1.11 -Wall -Werror check-news]) |
0662f2bb ML |
40 | m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) |
41 | m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) | |
42 | ||
7f450f46 | 43 | # Enable more compiler warnings. |
1cda3e3d | 44 | CFLAGS="$CFLAGS -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes" |
0662f2bb ML |
45 | |
46 | # Checks for programs. | |
47 | AC_PROG_CC | |
48 | AC_PROG_CPP | |
49 | AC_PROG_INSTALL | |
50 | AC_PROG_LN_S | |
51 | ||
0662f2bb ML |
52 | # Initialize libtool. |
53 | LT_INIT | |
54 | ||
55 | # Initialize pkg-config. | |
f92f1f0c | 56 | # We require at least 0.22, as "Requires.private" behaviour changed there. |
0662f2bb ML |
57 | PKG_PROG_PKG_CONFIG([0.22]) |
58 | ||
59 | # Library version for libserialport (NOT the same as the package version). | |
60 | # Carefully read the libtool docs before updating these numbers! | |
61 | # The algorithm for determining which number to change (and how) is nontrivial! | |
62 | # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info | |
63 | SP_LIB_VERSION_CURRENT=0 | |
64 | SP_LIB_VERSION_REVISION=0 | |
65 | SP_LIB_VERSION_AGE=0 | |
66 | SP_LIB_VERSION="$SP_LIB_VERSION_CURRENT:$SP_LIB_VERSION_REVISION:$SP_LIB_VERSION_AGE" | |
67 | SP_LIB_LDFLAGS="-version-info $SP_LIB_VERSION" | |
68 | AC_SUBST(SP_LIB_VERSION_CURRENT) | |
69 | AC_SUBST(SP_LIB_VERSION_REVISION) | |
70 | AC_SUBST(SP_LIB_VERSION_AGE) | |
71 | AC_SUBST(SP_LIB_VERSION) | |
72 | AC_SUBST(SP_LIB_LDFLAGS) | |
73 | ||
e4bffe06 UH |
74 | # Checks for libraries. |
75 | ||
76 | # This variable collects the pkg-config names of all detected libs. | |
77 | # It is then used to construct the "Requires.private:" field in the | |
78 | # libserialport.pc file. | |
79 | SP_PKGLIBS="" | |
a93fb468 | 80 | SP_LIBS="" |
0662f2bb | 81 | |
1ebf4347 ML |
82 | case $target_os in |
83 | *linux*) | |
27e231ff | 84 | AM_CONDITIONAL([LINUX], true) |
e33dcf90 ML |
85 | AM_CONDITIONAL([WIN32], false) |
86 | AM_CONDITIONAL([MACOSX], false) | |
ccd512d5 | 87 | AM_CONDITIONAL([FREEBSD], false) |
1ebf4347 ML |
88 | ;; |
89 | *darwin*) | |
27e231ff | 90 | AM_CONDITIONAL([LINUX], false) |
e33dcf90 ML |
91 | AM_CONDITIONAL([WIN32], false) |
92 | AM_CONDITIONAL([MACOSX], true) | |
ccd512d5 | 93 | AM_CONDITIONAL([FREEBSD], false) |
1ebf4347 ML |
94 | LDFLAGS="$LDFLAGS -Wl,-framework -Wl,IOKit -Wl,-framework -Wl,CoreFoundation" |
95 | AC_CHECK_HEADER(IOKit/IOKitLib.h, [], [AC_MSG_ERROR([IOKit/IOKitLib.h not found])]) | |
96 | ;; | |
a93fb468 AJ |
97 | mingw* | cygwin*) |
98 | AM_CONDITIONAL([LINUX], false) | |
e33dcf90 ML |
99 | AM_CONDITIONAL([WIN32], true) |
100 | AM_CONDITIONAL([MACOSX], false) | |
ccd512d5 | 101 | AM_CONDITIONAL([FREEBSD], false) |
a93fb468 AJ |
102 | SP_LIBS="-lsetupapi -luuid" |
103 | ;; | |
ccd512d5 UJ |
104 | *freebsd*) |
105 | AM_CONDITIONAL([LINUX], false) | |
106 | AM_CONDITIONAL([WIN32], false) | |
107 | AM_CONDITIONAL([MACOSX], false) | |
108 | AM_CONDITIONAL([FREEBSD], true) | |
109 | ;; | |
27e231ff ML |
110 | *) |
111 | AM_CONDITIONAL([LINUX], false) | |
e33dcf90 ML |
112 | AM_CONDITIONAL([WIN32], false) |
113 | AM_CONDITIONAL([MACOSX], false) | |
ccd512d5 | 114 | AM_CONDITIONAL([FREEBSD], false) |
7c081505 ML |
115 | AC_DEFINE(NO_ENUMERATION,,[Enumeration is unsupported]) |
116 | AC_DEFINE(NO_PORT_METADATA,,[Port metadata is unavailable]) | |
1ebf4347 ML |
117 | esac |
118 | ||
e4bffe06 | 119 | AC_SUBST(SP_PKGLIBS) |
a93fb468 | 120 | AC_SUBST(SP_LIBS) |
e4bffe06 | 121 | |
7c3a1ee3 | 122 | # Define size_t if not defined as standard. |
0662f2bb | 123 | AC_TYPE_SIZE_T |
2dcf8308 ML |
124 | |
125 | # Check for specific termios structures. | |
7c081505 ML |
126 | AC_CHECK_TYPE([struct termios2], |
127 | [AC_DEFINE(HAVE_TERMIOS2, 1, | |
128 | [struct termios2 is available.])], | |
129 | [], [[#include <linux/termios.h>]]) | |
130 | AC_CHECK_TYPE([struct termiox], | |
131 | [AC_DEFINE(HAVE_TERMIOX, 1, | |
132 | [struct termiox is available.])], | |
133 | [], [[#include <linux/termios.h>]]) | |
5cea279a | 134 | AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed], |
7c081505 ML |
135 | [AC_DEFINE(HAVE_TERMIOS_SPEED, 1, |
136 | [struct termios has c_ispeed/c_ospeed.])], | |
137 | [], [[#include <linux/termios.h>]]) | |
5cea279a | 138 | AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed], |
7c081505 ML |
139 | [AC_DEFINE(HAVE_TERMIOS2_SPEED, 1, |
140 | [struct termios2 has c_ispeed/c_ospeed.])], | |
141 | [], [[#include <linux/termios.h>]]) | |
0662f2bb | 142 | |
59182fbb ML |
143 | # Check for the BOTHER definition, needed for setting arbitrary baud rates. |
144 | # We can't just #ifdef BOTHER in the code, because of the separation between | |
145 | # code using libc headers and code using kernel termios.h headers. | |
146 | AC_MSG_CHECKING(for BOTHER) | |
147 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
148 | #include <linux/termios.h> | |
149 | ]], | |
150 | [[ | |
151 | #ifndef BOTHER | |
152 | #error BOTHER is not defined | |
153 | #endif | |
154 | ]])], | |
7c081505 | 155 | [AC_DEFINE(HAVE_BOTHER, 1, [BOTHER macro is available]) |
59182fbb ML |
156 | AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no])]) |
157 | ||
12056e2f | 158 | # Check for serial_struct. |
7c081505 ML |
159 | AC_CHECK_TYPE([struct serial_struct], |
160 | [AC_DEFINE(HAVE_SERIAL_STRUCT, 1, | |
161 | [struct serial is available.])], | |
12056e2f MC |
162 | [], [[#include <linux/serial.h>]]) |
163 | ||
970f279a | 164 | saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror" |
7c081505 ML |
165 | AC_DEFINE(SP_API,,[Macro preceding public API functions]) |
166 | AC_DEFINE(SP_PRIV,,[Macro preceding private functions]) | |
970f279a AJ |
167 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
168 | __attribute__((visibility("hidden"))) void foo(void) { } | |
169 | ]])], | |
170 | [AC_DEFINE(SP_API , __attribute__((visibility("default"))))] | |
171 | [AC_DEFINE(SP_PRIV, __attribute__((visibility("hidden"))))], | |
172 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ | |
173 | __declspec(dllexport) void foo(void) { } | |
174 | ]])], | |
175 | [AC_DEFINE(SP_API , __declspec(dllexport))] | |
176 | [AC_DEFINE(SP_PRIV,)], | |
177 | [AC_DEFINE(SP_API,)] | |
178 | [AC_DEFINE(SP_PRIV,)])) | |
179 | CFLAGS="$saved" | |
180 | ||
0662f2bb ML |
181 | AC_SUBST(MAKEFLAGS, '--no-print-directory') |
182 | AC_SUBST(AM_LIBTOOLFLAGS, '--silent') | |
183 | ||
184 | SP_PACKAGE_VERSION_MAJOR=sp_package_version_major | |
185 | SP_PACKAGE_VERSION_MINOR=sp_package_version_minor | |
7de20e39 | 186 | SP_PACKAGE_VERSION_MICRO=sp_package_version_micro |
0662f2bb ML |
187 | SP_PACKAGE_VERSION=sp_package_version |
188 | ||
189 | AC_SUBST(SP_PACKAGE_VERSION_MAJOR) | |
190 | AC_SUBST(SP_PACKAGE_VERSION_MINOR) | |
7de20e39 | 191 | AC_SUBST(SP_PACKAGE_VERSION_MICRO) |
0662f2bb ML |
192 | AC_SUBST(SP_PACKAGE_VERSION) |
193 | ||
baba0759 | 194 | AC_CONFIG_FILES([Makefile libserialport.h libserialport.pc]) |
0662f2bb ML |
195 | |
196 | AC_OUTPUT | |
197 | ||
198 | echo | |
199 | echo "libserialport configuration summary:" | |
200 | echo | |
7de20e39 | 201 | echo " - Package version (major.minor.micro): $SP_PACKAGE_VERSION" |
0662f2bb ML |
202 | echo " - Library version (current:revision:age): $SP_LIB_VERSION" |
203 | echo " - Prefix: $prefix" | |
204 | echo " - Building on: $build" | |
205 | echo " - Building for: $host" | |
206 | echo |