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1 | ## | |
2 | ## This file is part of the libsigrokdecode project. | |
3 | ## | |
4 | ## Copyright (C) 2010 Bert Vermeulen <bert@biot.com> | |
5 | ## | |
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. | |
10 | ## | |
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. | |
15 | ## | |
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/>. | |
18 | ## | |
19 | ||
20 | # We require at least autoconf 2.63 (AC_INIT format changed there). | |
21 | AC_PREREQ([2.63]) | |
22 | ||
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], [3]) | |
26 | m4_define([srd_package_version_micro], [0]) | |
27 | m4_define([srd_package_version], [srd_package_version_major.srd_package_version_minor.srd_package_version_micro]) | |
28 | ||
29 | AC_INIT([libsigrokdecode], [srd_package_version], | |
30 | [sigrok-devel@lists.sourceforge.net], [libsigrokdecode], | |
31 | [http://www.sigrok.org]) | |
32 | AC_CONFIG_HEADER([config.h]) | |
33 | AC_CONFIG_MACRO_DIR([autostuff]) | |
34 | AC_CONFIG_AUX_DIR([autostuff]) | |
35 | ||
36 | # We require at least automake 1.11 (needed for 'silent rules'). | |
37 | AM_INIT_AUTOMAKE([1.11 -Wall -Werror subdir-objects check-news color-tests]) | |
38 | m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) | |
39 | m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) | |
40 | ||
41 | AH_TOP([#ifndef SRD_CONFIG_H | |
42 | #define SRD_CONFIG_H /* To stop multiple inclusions. */]) | |
43 | AH_BOTTOM([#endif /* SRD_CONFIG_H */]) | |
44 | ||
45 | # Enable more compiler warnings via -Wall and -Wextra. Add -fvisibility=hidden | |
46 | # and enforce use of SRD_API to explicitly mark all public API functions. | |
47 | AM_CFLAGS="$AM_CFLAGS -Wall -Wextra -Wmissing-prototypes -fvisibility=hidden" | |
48 | ||
49 | # Checks for programs. | |
50 | AC_PROG_CC | |
51 | AC_PROG_CPP | |
52 | AC_PROG_INSTALL | |
53 | AC_PROG_LN_S | |
54 | ||
55 | # Required for per-target flags or subdir-objects with C sources. | |
56 | AM_PROG_CC_C_O | |
57 | ||
58 | # Initialize libtool. | |
59 | LT_INIT | |
60 | ||
61 | # Initialize pkg-config. | |
62 | # We require at least 0.22, as "Requires.private" behaviour changed there. | |
63 | PKG_PROG_PKG_CONFIG([0.22]) | |
64 | ||
65 | # Library version for libsigrokdecode (NOT the same as the package version). | |
66 | # Carefully read the libtool docs before updating these numbers! | |
67 | # The algorithm for determining which number to change (and how) is nontrivial! | |
68 | # http://www.gnu.org/software/libtool/manual/libtool.html#Updating-version-info | |
69 | SRD_LIB_VERSION_CURRENT=2 | |
70 | SRD_LIB_VERSION_REVISION=0 | |
71 | SRD_LIB_VERSION_AGE=0 | |
72 | SRD_LIB_VERSION="$SRD_LIB_VERSION_CURRENT:$SRD_LIB_VERSION_REVISION:$SRD_LIB_VERSION_AGE" | |
73 | SRD_LIB_LDFLAGS="-version-info $SRD_LIB_VERSION" | |
74 | AC_SUBST(SRD_LIB_VERSION_CURRENT) | |
75 | AC_SUBST(SRD_LIB_VERSION_REVISION) | |
76 | AC_SUBST(SRD_LIB_VERSION_AGE) | |
77 | AC_SUBST(SRD_LIB_VERSION) | |
78 | AC_SUBST(SRD_LIB_LDFLAGS) | |
79 | ||
80 | # Checks for libraries. | |
81 | ||
82 | # libglib-2.0 is always needed. | |
83 | # Note: glib-2.0 is part of the libsigrokdecode API | |
84 | # (hard pkg-config requirement). | |
85 | AM_PATH_GLIB_2_0([2.24.0], | |
86 | [AM_CFLAGS="$AM_CFLAGS $GLIB_CFLAGS"; LIBS="$LIBS $GLIB_LIBS"]) | |
87 | ||
88 | # Python 3 is always needed. | |
89 | # Note: We need to try a few different variants, since some systems have a | |
90 | # python3.pc file, others have a python-3.3.pc file, and so on. | |
91 | # We also export the name of the package so that it can be correctly | |
92 | # added to libsigrokdecode.pc. | |
93 | # See also: http://sigrok.org/wiki/Libsigrokdecode/Python | |
94 | CPPFLAGS_PYTHON="" | |
95 | LDFLAGS_PYTHON="" | |
96 | pyver="none" | |
97 | PKG_CHECK_MODULES([python3], [python3 >= 3.2], | |
98 | [pyver=`$PKG_CONFIG --modversion python3`; | |
99 | CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python3_CFLAGS"; | |
100 | LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python3_LIBS"; | |
101 | MODNAME_PYTHON="python3"], | |
102 | [PKG_CHECK_MODULES([python34], [python-3.4 >= 3.4], | |
103 | [pyver=`$PKG_CONFIG --modversion python-3.4`; | |
104 | CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python34_CFLAGS"; | |
105 | LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python34_LIBS"; | |
106 | MODNAME_PYTHON="python-3.4"], | |
107 | [PKG_CHECK_MODULES([python33], [python-3.3 >= 3.3], | |
108 | [pyver=`$PKG_CONFIG --modversion python-3.3`; | |
109 | CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python33_CFLAGS"; | |
110 | LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python33_LIBS"; | |
111 | MODNAME_PYTHON="python-3.3"], | |
112 | [PKG_CHECK_MODULES([python32], [python-3.2 >= 3.2], | |
113 | [pyver=`$PKG_CONFIG --modversion python-3.2`; | |
114 | CPPFLAGS_PYTHON="$CPPFLAGS_PYTHON $python32_CFLAGS"; | |
115 | LDFLAGS_PYTHON="$LDFLAGS_PYTHON $python32_LIBS"; | |
116 | MODNAME_PYTHON="python-3.2"], | |
117 | )])])]) | |
118 | AC_SUBST(CPPFLAGS_PYTHON) | |
119 | AC_SUBST(LDFLAGS_PYTHON) | |
120 | AC_SUBST(MODNAME_PYTHON) | |
121 | ||
122 | # We also need to find the name of the python3 executable (for 'make install'). | |
123 | # Some OSes call this python3, some call it python3.2, etc. etc. | |
124 | AC_CHECK_PROGS([PYTHON3], [python3.4 python3.3 python3.2 python3]) | |
125 | if test "x$PYTHON3" = "x"; then | |
126 | AC_MSG_ERROR([cannot find python3 executable.]) | |
127 | fi | |
128 | ||
129 | # Link against libm, this is required (among other things) by Python. | |
130 | AC_SEARCH_LIBS([pow], [m]) | |
131 | ||
132 | # The Check unit testing framework is optional. Disable if not found. | |
133 | PKG_CHECK_MODULES([check], [check >= 0.9.4], | |
134 | [have_check="yes"], [have_check="no"]) | |
135 | AM_CONDITIONAL(HAVE_CHECK, test x"$have_check" = "xyes") | |
136 | ||
137 | # Checks for header files. | |
138 | # These are already checked: inttypes.h stdint.h stdlib.h string.h unistd.h. | |
139 | ||
140 | AC_SUBST(DECODERS_DIR, "$datadir/libsigrokdecode/decoders") | |
141 | AC_SUBST(MAKEFLAGS, '--no-print-directory') | |
142 | AC_SUBST(AM_LIBTOOLFLAGS, '--silent') | |
143 | ||
144 | SRD_PACKAGE_VERSION_MAJOR=srd_package_version_major | |
145 | SRD_PACKAGE_VERSION_MINOR=srd_package_version_minor | |
146 | SRD_PACKAGE_VERSION_MICRO=srd_package_version_micro | |
147 | SRD_PACKAGE_VERSION=srd_package_version | |
148 | ||
149 | AC_SUBST(SRD_PACKAGE_VERSION_MAJOR) | |
150 | AC_SUBST(SRD_PACKAGE_VERSION_MINOR) | |
151 | AC_SUBST(SRD_PACKAGE_VERSION_MICRO) | |
152 | AC_SUBST(SRD_PACKAGE_VERSION) | |
153 | ||
154 | AC_SUBST(AM_CFLAGS) | |
155 | ||
156 | AC_CONFIG_FILES([Makefile version.h libsigrokdecode.pc]) | |
157 | ||
158 | AC_OUTPUT | |
159 | ||
160 | echo | |
161 | echo "libsigrokdecode configuration summary:" | |
162 | echo | |
163 | echo " - Package version (major.minor.micro): $SRD_PACKAGE_VERSION" | |
164 | echo " - Library version (current:revision:age): $SRD_LIB_VERSION" | |
165 | echo " - Prefix: $prefix" | |
166 | echo " - Building on: $build" | |
167 | echo " - Building for: $host" | |
168 | echo | |
169 | echo "Detected libraries:" | |
170 | echo | |
171 | ||
172 | if test "x$pyver" = "xnone"; then | |
173 | echo " - (REQUIRED) python >= 3.2: no" | |
174 | else | |
175 | echo " - (REQUIRED) python >= 3.2: yes ($pyver)" | |
176 | fi | |
177 | ||
178 | # Note: This only works for libs with pkg-config integration. | |
179 | for lib in "glib-2.0 >= 2.24.0" "check >= 0.9.4"; do | |
180 | optional="OPTIONAL" | |
181 | if test "x$lib" = "xglib-2.0 >= 2.24.0"; then optional="REQUIRED"; fi | |
182 | if `$PKG_CONFIG --exists $lib`; then | |
183 | ver=`$PKG_CONFIG --modversion $lib` | |
184 | answer="yes ($ver)" | |
185 | else | |
186 | answer="no" | |
187 | fi | |
188 | echo " - ($optional) $lib: $answer" | |
189 | done | |
190 | ||
191 | echo | |
192 | echo "Enabled features:" | |
193 | echo | |
194 | echo " - (OPTIONAL) Library unit test framework support: $have_check" | |
195 | echo | |
196 |