2 ## This file is part of the libsigrokdecode project.
4 ## Copyright (C) 2010 Bert Vermeulen <bert@biot.com>
6 ## This program is free software: you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation, either version 3 of the License, or
9 ## (at your option) any later version.
11 ## This program is distributed in the hope that it will be useful,
12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ## GNU General Public License for more details.
16 ## You should have received a copy of the GNU General Public License
17 ## along with this program. If not, see <http://www.gnu.org/licenses/>.
20 # We require at least autoconf 2.63 (AC_INIT format changed there).
23 # libsigrokdecode package version number (NOT the same as shared lib version!).
24 m4_define([srd_package_version_major], [0])
25 m4_define([srd_package_version_minor], [4])
26 m4_define([srd_package_version_micro], [0])
27 m4_define([srd_package_version_suffix], [-git])
28 m4_define([srd_package_version], [srd_package_version_major.srd_package_version_minor.srd_package_version_micro[]srd_package_version_suffix])
30 AC_INIT([libsigrokdecode], [srd_package_version],
31 [sigrok-devel@lists.sourceforge.net], [libsigrokdecode],
32 [http://www.sigrok.org])
33 AC_CONFIG_HEADER([config.h])
34 AC_CONFIG_MACRO_DIR([autostuff])
35 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 subdir-objects check-news color-tests])
39 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
40 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
42 AH_TOP([#ifndef SRD_CONFIG_H
43 #define SRD_CONFIG_H /* To stop multiple inclusions. */])
44 AH_BOTTOM([#endif /* SRD_CONFIG_H */])
46 # Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden
47 # and enforce use of SRD_API to explicitly mark all public API functions.
48 AM_CFLAGS="$AM_CFLAGS -Wall -Wextra -Wmissing-prototypes -fvisibility=hidden"
50 # Checks for programs.
56 # Required for per-target flags or subdir-objects with C sources.
62 # Initialize pkg-config.
63 # We require at least 0.22, as "Requires.private" behaviour changed there.
64 PKG_PROG_PKG_CONFIG([0.22])
66 # Library version for libsigrokdecode (NOT the same as the package version).
67 # Carefully read the libtool docs before updating these numbers!
68 # The algorithm for determining which number to change (and how) is nontrivial!
69 # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info
70 SRD_LIB_VERSION_CURRENT=2
71 SRD_LIB_VERSION_REVISION=0
73 SRD_LIB_VERSION="$SRD_LIB_VERSION_CURRENT:$SRD_LIB_VERSION_REVISION:$SRD_LIB_VERSION_AGE"
74 SRD_LIB_LDFLAGS="-version-info $SRD_LIB_VERSION"
75 AC_SUBST(SRD_LIB_VERSION_CURRENT)
76 AC_SUBST(SRD_LIB_VERSION_REVISION)
77 AC_SUBST(SRD_LIB_VERSION_AGE)
78 AC_SUBST(SRD_LIB_VERSION)
79 AC_SUBST(SRD_LIB_LDFLAGS)
81 # Checks for libraries.
83 # libglib-2.0 is always needed.
84 # Note: glib-2.0 is part of the libsigrokdecode API
85 # (hard pkg-config requirement).
86 AM_PATH_GLIB_2_0([2.24.0],
87 [AM_CFLAGS="$AM_CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"])
89 # Python 3 is always needed.
90 # Note: We need to try a few different variants, since some systems have a
91 # python3.pc file, others have a python-3.3.pc file, and so on.
92 # We also export the name of the package so that it can be correctly
93 # added to libsigrokdecode.pc.
94 # See also: http://sigrok.org/wiki/Libsigrokdecode/Python
98 PKG_CHECK_MODULES([python3], [python3 >= 3.2],
99 [pyver=`$PKG_CONFIG --modversion python3`;
100 CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python3_CFLAGS";
101 LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python3_LIBS";
102 MODNAME_PYTHON="python3"],
103 [PKG_CHECK_MODULES([python34], [python-3.4 >= 3.4],
104 [pyver=`$PKG_CONFIG --modversion python-3.4`;
105 CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python34_CFLAGS";
106 LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python34_LIBS";
107 MODNAME_PYTHON="python-3.4"],
108 [PKG_CHECK_MODULES([python33], [python-3.3 >= 3.3],
109 [pyver=`$PKG_CONFIG --modversion python-3.3`;
110 CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python33_CFLAGS";
111 LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python33_LIBS";
112 MODNAME_PYTHON="python-3.3"],
113 [PKG_CHECK_MODULES([python32], [python-3.2 >= 3.2],
114 [pyver=`$PKG_CONFIG --modversion python-3.2`;
115 CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python32_CFLAGS";
116 LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python32_LIBS";
117 MODNAME_PYTHON="python-3.2"],
119 AC_SUBST(CPPFLAGS_PYTHON)
120 AC_SUBST(LDFLAGS_PYTHON)
121 AC_SUBST(MODNAME_PYTHON)
123 # We also need to find the name of the python3 executable (for 'make install').
124 # Some OSes call this python3, some call it python3.2, etc. etc.
125 AC_CHECK_PROGS([PYTHON3], [python3.4 python3.3 python3.2 python3])
126 if test "x$PYTHON3" = "x"; then
127 AC_MSG_ERROR([cannot find python3 executable.])
130 # Link against libm, this is required (among other things) by Python.
131 AC_SEARCH_LIBS([pow], [m])
133 # The Check unit testing framework is optional. Disable if not found.
134 PKG_CHECK_MODULES([check], [check >= 0.9.4],
135 [have_check="yes"], [have_check="no"])
136 AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes")
138 # Checks for header files.
139 # These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h.
141 AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders")
142 AC_SUBST(MAKEFLAGS, '--no-print-directory')
143 AC_SUBST(AM_LIBTOOLFLAGS, '--silent')
145 SRD_PACKAGE_VERSION_MAJOR=srd_package_version_major
146 SRD_PACKAGE_VERSION_MINOR=srd_package_version_minor
147 SRD_PACKAGE_VERSION_MICRO=srd_package_version_micro
148 SRD_PACKAGE_VERSION=srd_package_version
150 AC_SUBST(SRD_PACKAGE_VERSION_MAJOR)
151 AC_SUBST(SRD_PACKAGE_VERSION_MINOR)
152 AC_SUBST(SRD_PACKAGE_VERSION_MICRO)
153 AC_SUBST(SRD_PACKAGE_VERSION)
157 AC_CONFIG_FILES([Makefile version.h libsigrokdecode.pc])
162 echo "libsigrokdecode configuration summary:"
164 echo " - Package version (major.minor.micro): $SRD_PACKAGE_VERSION"
165 echo " - Library version (current:revision:age): $SRD_LIB_VERSION"
166 echo " - Prefix: $prefix"
167 echo " - Building on: $build"
168 echo " - Building for: $host"
170 echo "Detected libraries:"
173 if test "x$pyver" = "xnone"; then
174 echo " - (REQUIRED) python >= 3.2: no"
176 echo " - (REQUIRED) python >= 3.2: yes ($pyver)"
179 # Note: This only works for libs with pkg-config integration.
180 for lib in "glib-2.0 >= 2.24.0" "check >= 0.9.4"; do
182 if test "x$lib" = "xglib-2.0 >= 2.24.0"; then optional="REQUIRED"; fi
183 if `$PKG_CONFIG --exists $lib`; then
184 ver=`$PKG_CONFIG --modversion $lib`
189 echo " - ($optional) $lib: $answer"
193 echo "Enabled features:"
195 echo " - (OPTIONAL) Library unit test framework support: $have_check"