4 # This library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation version 2.1
9 # Copyright (c) 2003-2013 Thomas Graf <tgraf@suug.ch>
14 m4_define([libnl_major_version], [3])
15 m4_define([libnl_minor_version], [5])
16 m4_define([libnl_micro_version], [0])
17 m4_define([libnl_git_sha], [m4_esyscmd([ ( [ -d ./.git/ ] && [ "$(readlink -f ./.git/)" = "$(readlink -f "$(git rev-parse --git-dir 2>/dev/null)" 2>/dev/null)" ] && git rev-parse --verify -q HEAD 2>/dev/null ) || true ])])
20 # The following explanation may help to understand the above rules a bit
21 # better: consider that there are three possible kinds of reactions from
22 # users of your library to changes in a shared library:
24 # 1. Programs using the previous version may use the new version as drop-in
25 # replacement, and programs using the new version can also work with the
26 # previous one. In other words, no recompiling nor relinking is needed.
27 # In this case, bump revision only, don't touch current nor age.
29 # 2. Programs using the previous version may use the new version as drop-in
30 # replacement, but programs using the new version may use APIs not
31 # present in the previous one. In other words, a program linking against
32 # the new version may fail with “unresolved symbols” if linking against
33 # the old version at runtime: set revision to 0, bump current and age.
35 # 3. Programs may need to be changed, recompiled, relinked in order to use
36 # the new version. Bump current, set revision and age to 0.
38 m4_define([libnl_lt_current], [226])
39 m4_define([libnl_lt_revision], [0])
40 m4_define([libnl_lt_age], [26])
42 m4_define([libnl_version],
43 [libnl_major_version.libnl_minor_version.libnl_micro_version])
45 AC_INIT(libnl, [libnl_version], [], [], [http://www.infradead.org/~tgr/libnl/])
46 AC_CONFIG_HEADERS([lib/defs.h])
47 AC_CONFIG_AUX_DIR([build-aux])
48 AC_CONFIG_MACRO_DIR([m4])
49 AM_INIT_AUTOMAKE([-Wall foreign subdir-objects])
50 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)], [])
51 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
53 MAJ_VERSION=libnl_major_version
55 MIN_VERSION=libnl_minor_version
57 MIC_VERSION=libnl_micro_version
59 LIBNL_GIT_SHA=libnl_git_sha
60 LIBNL_VERSION=libnl_version
61 AC_SUBST(LIBNL_VERSION)
63 LT_CURRENT=libnl_lt_current
65 LT_REVISION=libnl_lt_revision
75 AC_CHECK_PROGS(FLEX, 'flex')
76 AC_CHECK_PROGS(YACC, 'bison -y')
81 PKG_CHECK_MODULES([CHECK], [check >= 0.9.0],
83 [AC_MSG_WARN([*** Disabling building of unit tests])
85 AM_CONDITIONAL(WITH_CHECK, [test "$has_check" = 'yes'])
87 AC_ARG_WITH([pkgconfigdir], AS_HELP_STRING([--with-pkgconfigdir=PATH],
88 [Path to the pkgconfig directory [[LIBDIR/pkgconfig]]]),
89 [pkgconfigdir="$withval"], [pkgconfigdir='${libdir}/pkgconfig'])
90 AC_SUBST([pkgconfigdir])
93 AS_HELP_STRING([--enable-cli=yes|no|no-inst|bin|sbin], [Whether to build command line interface utils. Defaults to 'yes' which is a synonym for 'bin'. 'no-inst' means only build, not installing. 'bin'/'sbin' means installing to bin/sbin directory]),
94 [enable_cli="$enableval"], [enable_cli="yes"])
95 if test "$enable_cli" != "no" &&
96 test "$enable_cli" != "no-inst" &&
97 test "$enable_cli" != "sbin"; then
100 AM_CONDITIONAL([ENABLE_CLI], [test "$enable_cli" != "no"])
101 AM_CONDITIONAL([ENABLE_CLI_INSTALL_BIN], [test "$enable_cli" = "bin"])
102 AM_CONDITIONAL([ENABLE_CLI_INSTALL_SBIN], [test "$enable_cli" = "sbin"])
104 AC_CHECK_HEADERS(dlfcn.h, [], [])
106 AC_ARG_ENABLE([pthreads],
107 AS_HELP_STRING([--disable-pthreads], [Disable pthreads support]),
108 [enable_pthreads="$enableval"], [enable_pthreads="yes"])
109 AM_CONDITIONAL([DISABLE_PTHREADS], [test "$enable_pthreads" = "no"])
110 if test "x$enable_pthreads" = "xno"; then
111 AC_DEFINE([DISABLE_PTHREADS], [1], [Define to 1 to disable pthreads])
113 AC_CHECK_LIB([pthread], [pthread_mutex_lock], [], AC_MSG_ERROR([libpthread is required]))
116 AC_ARG_ENABLE([debug],
117 AS_HELP_STRING([--disable-debug], [Do not include debugging statements]),
118 [enable_debug="$enableval"], [enable_debug="yes"])
119 if test "x$enable_debug" = "xyes"; then
120 AC_DEFINE([NL_DEBUG], [1], [Define to 1 to enable debugging])
123 AC_CONFIG_SUBDIRS([doc])
125 AC_CHECK_FUNCS([strerror_l])
137 include/netlink/version.h
141 if test -z "$YACC"; then
142 AC_MSG_WARN(bison not found. Please install before continuing.)
143 ac_errcount=$((ac_errcount + 1))
145 if test -z "$FLEX"; then
146 AC_MSG_WARN(flex not found. Please install before continuing.)
147 ac_errcount=$((ac_errcount + 1))
149 if test $ac_errcount -gt 0; then
150 AC_MSG_ERROR(Required packages are missing. Please install them and rerun ./configure)
155 echo "-------------------------------------------------------------------------------"
158 echo " There have been some changes starting with 3.2 regarding where and how libnl"
159 echo " is being installed on the system in order to allow multiple libnl versions"
160 echo " to be installed in parallel:"
162 echo " - Headers will be installed in ${includedir}/libnl${MAJ_VERSION}, therefore"
163 echo " you will need to add \"-I/usr/include/libnl${MAJ_VERSION}\" to CFLAGS"
165 echo " - The library basename was renamed to libnl-${MAJ_VERSION}, i.e. the SO names become"
166 echo " libnl-${MAJ_VERSION}.so., libnl-route-${MAJ_VERSION}.so, etc."
168 echo " - libtool versioning was assumed, to ease detection of compatible library"
171 echo " If you are using pkg-config for detecting and linking against the library "
172 echo " things will continue magically as if nothing every happened. If you are "
173 echo " linking manually you need to adapt your Makefiles or switch to using "
174 echo " pkg-config files."
176 echo "-------------------------------------------------------------------------------"