Add non-blocking DNS lookup.
[libpwmd.git] / configure.ac
blobff5a195d4913efeb0aa554aac4492b4bb5cbf77c
1 dnl Process this file with autoconf to produce a configure script.
2 AC_PREREQ(2.60)
3 AC_INIT(libpwmd, 7.3.0-dev, [Ben Kibbey bjk@luxsci.net])
4 AC_CONFIG_MACRO_DIR([m4])
5 AC_CONFIG_AUX_DIR(build)
6 AC_CANONICAL_TARGET
7 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
8 AC_PROG_MAKE_SET
9 #AC_DISABLE_SHARED
10 AC_USE_SYSTEM_EXTENSIONS
11 AC_PROG_LIBTOOL
12 AC_CONFIG_SRCDIR([src/libpwmd.c])
13 AM_CONFIG_HEADER([config.h])
14 AM_GNU_GETTEXT([external])
15 AM_GNU_GETTEXT_VERSION([0.16.1])
17 VER_MAJOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`"
18 VER_MINOR="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`"
19 VER_PATCH="`echo "$VERSION" | sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\3/'`"
20 AC_SUBST(VER_MAJOR)
21 AC_SUBST(VER_MINOR)
22 AC_SUBST(VER_PATCH)
23 VER_MAJOR_HEX=`printf "%02X" $VER_MAJOR`
24 VER_MINOR_HEX=`printf "%02X" $VER_MINOR`
25 VER_PATCH_HEX=`printf "%02X" $VER_PATCH`
26 AC_SUBST(VER_MAJOR_HEX)
27 AC_SUBST(VER_MINOR_HEX)
28 AC_SUBST(VER_PATCH_HEX)
29 VER_STRING="\"$VERSION\""
30 AC_SUBST(VER_STRING)
31 LIBTOOL_CUR=1
32 LIBTOOL_REV=0
33 LIBTOOL_AGE=1
34 AC_SUBST(LIBTOOL_CUR)
35 AC_SUBST(LIBTOOL_REV)
36 AC_SUBST(LIBTOOL_AGE)
38 case "$target_os" in
39     darwin*)
40         LDFLAGS="$LDFLAGS -flat_namespace -L/sw/lib"
41         CPPFLAGS="$CPPFLAGS -I/sw/include -L/sw/lib"
42         ;;
43     linux*)
44         case "$target_cpu" in
45             x86_64*)
46                 LDFLAGS="$LDFLAGS -lrt"
47                 ;;
48             *)
49                 ;;
50         esac
51         ;;
52     *)
53         ;;
54 esac
56 dnl Checks for programs.
57 AC_PROG_CC_C99
59 if test "$ac_cv_prog_cc_c99" = "no"; then
60     AC_MSG_ERROR("Unable to find a C99 compatible compiler.")
63 dnl Borrowed from libssh2!
64 dnl ************************************************************
65 dnl Enable hiding of internal symbols in library to reduce its size and
66 dnl speed dynamic linking of applications.  This currently is only supported
67 dnl on gcc >= 4.0 and SunPro C.
68 dnl
69 AC_MSG_CHECKING([whether to enable hidden symbols in the library])
70 AC_ARG_ENABLE(hidden-symbols,
71 AC_HELP_STRING([--enable-hidden-symbols],[Hide internal symbols in library])
72 AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]),
73 [ case "$enableval" in
74   no)
75        AC_MSG_RESULT(no)
76        ;;
77   *)
78        AC_MSG_CHECKING([whether $CC supports it])
79        if test "$GCC" = yes ; then
80          if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then
81            AC_MSG_RESULT(yes)
82            AC_DEFINE(LIBPWMD_API, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
83            CFLAGS="$CFLAGS -fvisibility=hidden"
84          else
85             AC_MSG_RESULT(no)
86           fi
88        else
89          dnl Test for SunPro cc
90          if $CC 2>&1 | grep flags >/dev/null && $CC -flags | grep xldscope= >/dev/null ; then
91            AC_MSG_RESULT(yes)
92            AC_DEFINE(LIBPWMD_API, [__global], [to make a symbol visible])
93            CFLAGS="$CFLAGS -xldscope=hidden"
94          else
95            AC_MSG_RESULT(no)
96          fi
97        fi
98        ;;
99   esac ],
100        AC_MSG_RESULT(no)
103 dnl Checks for header files.
104 AC_HEADER_STDC
105 AC_HEADER_SYS_WAIT
106 AC_CHECK_HEADERS([fcntl.h limits.h stdlib.h string.h unistd.h sys/socket.h \
107                   getopt.h])
109 dnl Checks for typedefs, structures, and compiler characteristics.
110 AC_C_CONST
111 AC_TYPE_SIZE_T
112 AC_STRUCT_TM
113 AC_TYPE_SSIZE_T
114 AC_TYPE_PID_T
116 AX_CHECK_COMPILE_FLAG([-D_FORTIFY_SOURCE=2],
117                       [CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"])
118 ACX_PTHREAD(, AC_MSG_ERROR([Missing or incomplete pthread installation]))
119 CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
120 LIBS="$PTHREAD_LIBS $LIBS"
121 PKG_PROG_PKG_CONFIG
123 acx_pthread_cancel_ok=no
124 AC_MSG_CHECKING([for pthread_cancel()])
125 AC_TRY_LINK_FUNC(pthread_cancel, acx_pthread_cancel_ok=yes)
126 AC_MSG_RESULT($acx_pthread_cancel_ok)
127 if test x"$acx_pthread_cancel_ok" = "xyes"; then
128     AC_DEFINE(HAVE_PTHREAD_CANCEL, 1, [Define if your OS has pthread_cancel().])
131 AC_ARG_ENABLE(interactive, AC_HELP_STRING([--disable-interactive], [Disable interactive mode in pwmc.]),
132                 WITH_INTERACTIVE=no, WITH_INTERACTIVE=yes)
133 AC_MSG_CHECKING([if interactive mode is wanted])
134 AC_MSG_RESULT($WITH_INTERACTIVE)
135 if test "x$WITH_INTERACTIVE" = "xyes"; then
136     VL_LIB_READLINE
138     if test "x$vl_cv_lib_readline" != "xno"; then
139         READLINE_LIBS="$vl_cv_lib_readline"
140         AC_SUBST(READLINE_LIBS)
141     else
142         AC_MSG_ERROR([Missing or incomplete readline installation.])
143         WITH_INTERACTIVE="no"
144     fi
146 AM_CONDITIONAL([WITH_READLINE], [test x"$vl_cv_lib_readline" != "x"])
148 AM_PATH_LIBASSUAN([2.1.0], have_libassuan_2_1_0=yes)
149 if test x"$have_libassuan_2_1_0" != x"yes";then
150    AM_PATH_LIBASSUAN([2.0.3],, AC_MSG_ERROR([libassuan 2.0.3 or later required.]))
151 else
152    AC_DEFINE(LIBASSUAN_2_1_0, 1, [Define if you have libassuan 2.1.0 or later.])
154    
155 AM_PATH_GPG_ERROR(,, AC_MSG_ERROR([Missing or incomplete libgpg-error installation.]))
157 AC_ARG_ENABLE(ssh, AC_HELP_STRING([--enable-ssh], [Enable SSH support.]),
158                 WITH_SSH=$enableval, WITH_SSH=no)
159 AC_MSG_CHECKING([if ssh support is wanted])
160 AC_MSG_RESULT($WITH_SSH)
161 if test "x$WITH_SSH" = "xyes"; then
162     AC_MSG_CHECKING([for libssh2 availability])
163     PKG_CHECK_EXISTS([libssh2], have_libssh2=1)
164     WITH_SSH=no
166     if test $have_libssh2; then
167         PKG_CHECK_MODULES([libssh2], [libssh2 >= 1.2.9])
168         AC_DEFINE(WITH_SSH, 1, [Define if you want SSH support.])
169         WITH_SSH=yes
170     else
171         AC_MSG_ERROR([Missing or incomplete libssh2 installation.])
172     fi
174 AM_CONDITIONAL([WITH_SSH], [test "x$WITH_SSH" = "xyes"])
176 AC_ARG_ENABLE(gnutls, AC_HELP_STRING([--enable-gnutls], 
177               [Enable GnuTLS client support.]), WITH_GNUTLS=$enableval,
178               WITH_GNUTLS=no)
179 AC_MSG_CHECKING([if gnutls support is wanted])
180 AC_MSG_RESULT($WITH_GNUTLS)
181 if test "x$WITH_GNUTLS" = "xyes"; then
182     AC_MSG_CHECKING([for libgnutls availability])
183     PKG_CHECK_EXISTS(gnutls, have_libgnutls=1, AC_MSG_ERROR([gnutls pkg-config module not found]))
184     WITH_GNUTLS=no
186     if test $have_libgnutls; then
187         PKG_CHECK_MODULES([GNUTLS], [gnutls >= 3.3.0])
188         AC_DEFINE(WITH_GNUTLS, 1, [Define if you want GnuTLS support.])
189         WITH_GNUTLS=yes
190     else
191         AC_MSG_ERROR([Missing or incomplete gnutls installation.])
192     fi
194 AM_CONDITIONAL(WITH_GNUTLS, [test "x$WITH_GNUTLS" = "xyes"])
196 # Default pwmd socket.
197 AC_ARG_WITH(pwmd_socket, AC_HELP_STRING([--with-pwmd-socket=PATH],
198               [Default pwmd socket (~/.pwmd/socket)]),
199               pwmd_socket="$withval", pwmd_socket=)
200 if test x"$pwmd_socket" != "x"; then
201    AC_DEFINE_UNQUOTED(DEFAULT_PWMD_SOCKET, ["$pwmd_socket"],
202                       [Default pwmd socket (~/.pwmd/socket).])
203 else
204    pwmd_socket="~/.pwmd/socket"
206 AC_SUBST(pwmd_socket)
208 dnl Checks for library functions.
209 AC_FUNC_MALLOC
210 AC_FUNC_REALLOC
211 AC_FUNC_STRFTIME
212 AC_FUNC_SELECT_ARGTYPES
213 AC_CHECK_FUNCS([memmove select socket strdup strerror setlocale getcwd \
214                 memset stpcpy strchr strrchr strtok_r getopt_long getpwuid_r])
215 AM_CONDITIONAL([NEED_GETOPT_LONG], [test "$ac_cv_func_getopt_long" != "yes"])
217 AC_DEFUN([AC_MEM_DEBUG],
219     if test "$1"; then
220         ac_cv_sys_mem_debug=$1
221     fi
223     AC_CACHE_CHECK([if memory debugging is wanted], [ac_cv_sys_mem_debug],
224         [ac_cv_sys_mem_debug=no])
225     AM_CONDITIONAL([WITH_MEM_DEBUG], [test "$ac_cv_sys_mem_debug" = "yes"])
228 AC_ARG_ENABLE(mem_debug, AC_HELP_STRING([--enable-mem-debug],
229               [Enable memory debugging.]), AC_MEM_DEBUG([$enableval]),
230               AC_MEM_DEBUG)
232 AM_CONDITIONAL(MEM_DEBUG, test "x${ac_cv_sys_mem_debug}" != "xno")
234 AC_ARG_ENABLE(pinentry, AC_HELP_STRING([--disable-pinentry], 
235               [Disable pinentry(1) support (not pwmd).]), WITH_PINENTRY=no,
236               WITH_PINENTRY=yes)
238 if test "x$WITH_PINENTRY" != "xno"; then
239     AC_CHECK_HEADERS([locale.h])
240     AC_DEFINE(WITH_PINENTRY, 1, [Define if you want local pinentry(1) support.])
243 AM_CONDITIONAL([WITH_PINENTRY], [test "x$WITH_PINENTRY" = "xyes"])
244 pinentry="/usr/bin/pinentry"
246 AC_ARG_WITH(pinentry, AC_HELP_STRING([--with-pinentry=PATH],
247               [Default location of the pinentry binary (/usr/bin/pinentry)]),
248               pinentry="$withval")
250 AC_SUBST(pinentry)
251 AC_DEFINE_UNQUOTED(PINENTRY_PATH, ["$pinentry"],
252                    [Default location of the pinentry binary.])
254 # Cracklib support (requires pinentry support).
255 AC_ARG_ENABLE(quality, AC_HELP_STRING([--enable-quality], 
256               [Enable password quality checking with cracklib.]),
257               WITH_QUALITY=$enableval, WITH_QUALITY=no)
258 if test "x$WITH_QUALITY" = "xyes"; then
259     if test "x$WITH_PINENTRY" != "xyes"; then
260         AC_MSG_ERROR([--enable-quality needs --enable-pinentry])
261     fi
263     AC_CHECK_HEADER([crack.h],, AC_MSG_ERROR([Missing or invalid cracklib installation.]))
264     AC_CHECK_LIB([crack], FascistCheck,, AC_MSG_ERROR([Missing or invalid cracklib installation.]))
265     AC_DEFINE(WITH_QUALITY, 1, [Define if you want password quality checking.])
267 AM_CONDITIONAL(WITH_QUALITY, [test "x$WITH_QUALITY" = "xyes"])
269 crackdict="/var/cache/cracklib/cracklib_dict"
270 AC_ARG_WITH(crackdict, AC_HELP_STRING([--with-crack-dict=PATH],
271               [Location of the cracklib dictionary (/var/cache/cracklib/cracklib_dict).]),
272               crackdict="$withval")
273 AC_SUBST(crackdict)
274 AC_DEFINE_UNQUOTED(CRACKLIB_DICT, ["$crackdict"], [The location of the cracklib dictionary.])
276 dnl Disable optimizing of memset(). GCC and CLang (and others?) accept
277 dnl multiple optimization flags and use the last one specified. The
278 dnl non-optimized memset() may still use any CPU features found in the
279 dnl user specified CFLAGS (-mtune) and libc.
280 CFLAGS_ORIG="$CFLAGS"
281 CFLAGS_MEMZERO="$CFLAGS -O0"
282 CFLAGS=
283 AC_SUBST(CFLAGS_ORIG)
284 AC_SUBST(CFLAGS_MEMZERO)
286 AC_CONFIG_FILES([Makefile libpwmd-7.0.pc doc/Makefile doc/doxygen.conf.in \
287                  doc/pwmc.1 src/Makefile src/libpwmd.h po/Makefile.in])
288 AC_OUTPUT
289 echo
290 echo "Features:"
291 echo "    Interactive pwmc: $WITH_INTERACTIVE"
292 echo "    Ssh: $WITH_SSH"
293 echo "    GnuTLS: $WITH_GNUTLS"
294 echo "    Local pinentry: $WITH_PINENTRY"
295 echo "    Pinentry location: $pinentry"
297 if test x"$pwmd_socket" != "x"; then
298 echo "    Default pwmd socket: $pwmd_socket"
299 else
300 echo "    Default pwmd socket: ~/.pwmd/socket"
303 echo "    Local passphrase quality checking: $WITH_QUALITY"
304 echo "    Crack dictionary: $crackdict"
305 echo "    Memory debug: ${ac_cv_sys_mem_debug}"