cal: ensure that the first two updates don't clash
[siplcs.git] / configure.ac
blob1129a1808189a886ac80e54337e391845c72b5ea
1 dnl ensure recent enough version of Autoconf
2 AC_PREREQ([2.50])
4 dnl Use 'VERSION' files to get version.
5 m4_define([SIPE_VERSION_DATA], m4_include([VERSION]))
7 dnl Strip off newline characters.
8 m4_define([SIPE_VERSION],
9         m4_substr(SIPE_VERSION_DATA,
10                   [0], m4_decr(m4_len(SIPE_VERSION_DATA))))
12 dnl homepage
13 m4_define([SIPE_HOMEPAGE], [http://sipe.sourceforge.net/])
15 dnl initialize package name, version, bugtracker & homepage
16 AC_INIT([pidgin-sipe], SIPE_VERSION,
17         [https://sourceforge.net/p/sipe/bugs/], [],
18         SIPE_HOMEPAGE)
20 AC_DEFINE([SIPE_TRANSLATIONS_URL],
21         ["https://www.transifex.com/projects/p/pidgin-sipe/resource/mob/"],
22         [URL for submitting translations.])
24 dnl define optional git commit ID generated by autogen.sh
25 m4_define([SIPE_GIT_COMMIT], m4_sinclude([GITVERSION]))
26 AS_IF([test "x"SIPE_GIT_COMMIT != x],
27         [AC_MSG_NOTICE([set git commit])
28          AC_DEFINE(PACKAGE_GIT_COMMIT, "SIPE_GIT_COMMIT", [Define to the git commit for this package.])
31 dnl setup automake and require recent enough version
32 AM_INIT_AUTOMAKE([1.9 dist-bzip2 dist-xz no-define tar-ustar])
34 AC_CANONICAL_HOST
36 dnl set PACKAGE_URL for autoconf < 2.64
37 AS_IF([test "x${PACKAGE_URL}" = x],
38         [AC_MSG_NOTICE([set PACKAGE_URL for autoconf < 2.64])
39          AC_DEFINE(PACKAGE_URL, "SIPE_HOMEPAGE", [Define to the home page for this package.])
42 dnl set programming language
43 AC_LANG(C)
44 AM_PROG_CC_C_O
45 AC_HEADER_STDC
47 dnl setup shared library generation
48 LT_INIT([disable-static])
50 dnl checks for tools
51 IT_PROG_INTLTOOL([0.35.0])
52 AC_PROG_INSTALL
53 AC_PROG_RANLIB
55 dnl ******************************
56 dnl Win32
57 dnl ******************************
58 AC_MSG_CHECKING([for Win32])
59 AS_CASE(["$host"],
60                 [*-mingw*], [os_win32=yes],
61                 [os_win32=no])
62 AC_MSG_RESULT([$os_win32])
63 AM_CONDITIONAL(SIPE_OS_WIN32, [test "x${os_win32}" = xyes])
65 dnl checks for header files
66 AC_CHECK_HEADERS([sys/sockio.h])
68 dnl checks for library functions
69 AC_CHECK_FUNCS([])
71 dnl tell pkgconfig to look in the same prefix where we're installing this to,
72 dnl as that is likely where libpurple will be found if it is not in the default
73 dnl pkgconfig path
74 PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:${libdir}/pkgconfig"
75 export PKG_CONFIG_PATH
77 dnl debug mode
78 AC_ARG_ENABLE(debug,
79         [AS_HELP_STRING([--enable-debug],
80                         [compile with debugging support @<:@default=no@:>@])],
81         [],
82         [enable_debug=no])
84 AS_IF([test "x$enable_debug" = xyes],
85         [AC_DEFINE(DEBUG, 1, [Define if debugging is enabled.])])
86 AC_SUBST(DEBUG_CFLAGS)
88 dnl quality check mode
89 dnl For people who are interested in finding bugs and not hiding them
90 AC_ARG_ENABLE(quality-check,
91         [AS_HELP_STRING([--enable-quality-check],
92                         [compile with compiler checks enabled @<:@default=yes@:>@])],
93         [],
94         [enable_quality_check=yes])
96 AS_IF([test "x$enable_quality_check" = xyes],
97         [dnl default quality configuration
98          QUALITY_CFLAGS="$QUALITY_CFLAGS -Werror -Wall"
100          dnl enable warnings supported by the GCC on the build system
101          for newflag in \
102                         "-Wextra" \
103                         "-Waggregate-return" \
104                         "-Wcast-align" \
105                         "-Wdeclaration-after-statement" \
106                         "-Wdeprecated-declarations" \
107                         "-Winit-self" \
108                         "-Wmaybe-uninitialized" \
109                         "-Wmissing-declarations" \
110                         "-Wmissing-prototypes" \
111                         "-Wnested-externs" \
112                         "-Wpointer-arith" \
113                         "-Wundef" \
114                         "-Wunused-but-set-variable" \
115          ; do
116                  ac_save_CFLAGS=$CFLAGS
117                  AC_MSG_CHECKING([if $CC supports $newflag])
118                  CFLAGS="$QUALITY_CFLAGS $newflag"
119                  AC_COMPILE_IFELSE(
120                         [AC_LANG_SOURCE([[]])],
121                         [AC_MSG_RESULT(yes)
122                          QUALITY_CFLAGS="$QUALITY_CFLAGS $newflag"],
123                         [AC_MSG_RESULT(no)]
124                  )
125                  CFLAGS=$ac_save_CFLAGS
126          done
127         ])
128 AC_SUBST(QUALITY_CFLAGS)
130 dnl Check for pkg-config before using it
131 PKG_PROG_PKG_CONFIG
133 dnl check for valgrind (optional, only needed for debugging)
134 PKG_CHECK_MODULES(VALGRIND, [valgrind],
135         [AC_DEFINE(HAVE_VALGRIND, 1, [Define to 1 if you have the valgrind headers])],
136         [AC_MSG_RESULT(no)])
138 dnl build option: with voice & video support (for all backends)
139 AC_ARG_WITH(vv,
140         [AC_HELP_STRING([--with-vv],
141                 [compile with voice and video support @<:@default=check@:>@])],
142         [AS_IF([test "x$withval" = xyes], [with_vv=check])],
143         [with_vv=check])
145 dnl check for Kerberos 5 support
146 AC_ARG_WITH([krb5],
147         [AC_HELP_STRING([--with-krb5],
148                 [compile with Kerberos 5 support @<:@default=check@:>@])],
149         [AS_IF([test "x$withval" = xyes], [with_krb5=check])],
150         [with_krb5=check])
152 AS_IF([test "x$with_krb5" = xno], [], dnl disabled by user
153       [test "x$with_krb5" = xcheck],  dnl autodetect with krb5-config
154         [AC_MSG_CHECKING(if Kerberos 5 is available)
155          AS_IF([AC_RUN_LOG([krb5-config --version])],
156                 [KRB5_CFLAGS=`krb5-config --cflags 2>/dev/null`
157                  KRB5_LDFLAGS=""
159                  dnl same as AC_CHECK_LIB()
160                  LIBS="$LIBS `krb5-config --libs gssapi 2>/dev/null`"],
161                 [AC_MSG_RESULT(no)
162                  with_krb5=no])],
163       [                               dnl path specified by user
164         KRB5_CFLAGS="-I${with_krb5}/include"
165         KRB5_LDFLAGS="-L${with_krb5}/lib"
166       ])
167 AS_IF([test "x$with_krb5" != xno],
168       [ac_save_CFLAGS="$CFLAGS"
169        ac_save_LDFLAGS="$LDLAGS"
170        CFLAGS="$CFLAGS $KRB5_CFLAGS"
171        LDFLAGS="$LDFLAGS $KRB5_LDFLAGS"
172        AC_CHECK_HEADERS([gssapi/gssapi.h gssapi/gssapi_krb5.h],
173                         [],
174                         [AC_ERROR([GSSAPI headers not found])])
175        AC_CHECK_FUNC([gss_init_sec_context],
176                      [],
177                      [AC_ERROR([GSSAPI libraries not found])])
179        dnl older GSSAPI releases don't have gss_acquire_cred_with_passwd()
180        AC_CHECK_HEADER([gssapi/gssapi_ext.h],
181                        [AC_CHECK_FUNC([gss_acquire_cred_with_password],
182                                       [AC_DEFINE(HAVE_GSSAPI_PASSWORD_SUPPORT, 1, [Define to 1 if gssapi has gss_acquire_cred_with_passwd()])],
183                                       [AC_MSG_NOTICE([gss_acquire_cred_with_passwd() required: disabling GSSAPI non-SSO support])])],
184                        [AC_MSG_NOTICE([gssapi/gssapi_ext.h required: disabling GSSAPI non-SSO support])])
186        CFLAGS="$ac_save_CFLAGS"
187        LDFLAGS="$ac_save_LDFLAGS"
188       ])
190 AM_CONDITIONAL(SIP_SEC_GSSAPI, [test "x$with_krb5" != xno])
191 AC_SUBST(KRB5_CFLAGS)
192 AC_SUBST(KRB5_LDFLAGS)
194 AC_ARG_ENABLE(gssapi_only,
195         [AS_HELP_STRING([--enable-gssapi-only],
196                         [disable all internal authentication code and only use
197                          GSSAPI for authentication @<:@default=yes@:>@])],
198         [],
199         dnl requires Kerberos which provides GSSAPI
200         [enable_gssapi_only=$with_krb5])
201 AS_IF([test "x$enable_gssapi_only" != xno],
202         [AC_CHECK_HEADER([gssapi/gssapi_ntlmssp.h],
203                        [AC_DEFINE(HAVE_GSSAPI_ONLY, 1, [Define to 1 to enable GSSAPI-only mode])],
204                        [AC_MSG_NOTICE([gssapi/gssapi_ntlm.h required: falling back to internal authentication implementation])
205                         enable_gssapi_only=no])
206         ])
207 AM_CONDITIONAL(SIP_SEC_GSSAPI_ONLY, [test "x$enable_gssapi_only" != xno])
209 dnl check for glib
210 PKG_CHECK_MODULES(GLIB, [glib-2.0 >= 2.12.0])
211 PKG_CHECK_MODULES(GMODULE, [gmodule-2.0 >= 2.12.0])
213 dnl check for gmime
214 dnl See also: https://bugzilla.gnome.org/show_bug.cgi?id=613653#c8
215 PKG_CHECK_MODULES(GMIME, [gmime-2.6 >= 2.5.2],
216         [ac_have_gmime=yes],
217         [PKG_CHECK_MODULES(GMIME, [gmime-2.4 >= 2.4.16],
218                 [ac_have_gmime=yes],
219                 [ac_have_gmime=no])
221 AM_CONDITIONAL(SIPE_MIME_GMIME, [test "x$ac_have_gmime" = xyes])
222 AS_IF([test "x$ac_have_gmime" = xyes],
223         [AC_DEFINE(HAVE_GMIME, 1, [Define if gmime should be used in sipe.])])
225 dnl check for NSS
226 AC_ARG_ENABLE(nss,
227         [AS_HELP_STRING([--enable-nss],
228                         [use NSS as crypto backend @<:@default=yes@:>@])],
229         [],
230         [enable_nss=yes])
231 AS_IF([test "x$enable_nss" != xno],
232         [PKG_CHECK_MODULES(NSS, [nss],
233                 [],
234                 [PKG_CHECK_MODULES(NSS, [mozilla-nss],
235                         [],
236                         [PKG_CHECK_MODULES(NSS, [microb-engine-nss],
237                                 [],
238                                 [enable_nss=no])
239                         ])
240                 ])
241         ])
243 dnl check for OpenSSL
244 AC_ARG_ENABLE(openssl,
245         [AS_HELP_STRING([--enable-openssl],
246                         [use OpenSSL as crypto backend @<:@default=yes@:>@])],
247         [],
248         [enable_openssl=yes])
249 AS_IF([test "x$enable_openssl" != xno],
250         [PKG_CHECK_MODULES(OPENSSL, [libcrypto],
251                    [],
252                    [enable_openssl=no])
253         ])
254 AS_IF(
255         [test "x$enable_nss" != xno],
256                 [ dnl NSS has priority over OpenSSL
257                   enable_openssl=no
258                   AC_MSG_NOTICE([using NSS as crypto backend.])],
259         [test "x$enable_openssl" != xno],
260                 [AC_MSG_NOTICE([using OpenSSL as crypto backend.])],
261         [AC_ERROR([nss, mozilla-nss, microb-engine-nss or libcrypto package is required])])
262 AM_CONDITIONAL(SIPE_OPENSSL, [test "x$enable_openssl" != xno])
264 dnl check for libxml2
265 PKG_CHECK_MODULES(LIBXML2, [libxml-2.0])
267 dnl assumption check: sizof(uuid_t) must be 16 (see uuid.c)
268 AC_MSG_CHECKING([that sizeof(uuid_t) is 16])
269 ac_save_CFLAGS=$CFLAGS
270 CFLAGS="$GLIB_CFLAGS $QUALITY_CFLAGS"
271 dnl note the [[[ quoting: our code contains []!
272 AC_RUN_IFELSE(
273         [AC_LANG_PROGRAM(
274                 [[
275 #include <glib.h>
276 #include <stdio.h>
278 /* Copied from uuid.c */
279 typedef struct {
280    guint32 time_low;
281    guint16 time_mid;
282    guint16 time_hi_and_version;
283    guint8  clock_seq_hi_and_reserved;
284    guint8  clock_seq_low;
285    guint8  node[6];
286 } uuid_t;
287                 ]],
288                 [[if (sizeof(uuid_t) == 16) {
289                         return(0);
290                  } else {
291                         printf("\n\nOoops, sizeof(uuid_t) is %" G_GSIZE_FORMAT ".\n\n", sizeof(uuid_t));
292                         return(1);
293                  }]])],
294         [AC_MSG_RESULT(yes)],
295         [AC_MSG_FAILURE([sizeof(uuid_t) is not 16
297 Please notify the SIPE developers.
299 Copy & paste all lines starting with the line
301   checking that sizeof(uuid_t) is 16...
303 to the report and attach the file "config.log".
305 Compiler information:
307  host:     $host
308  build:    $build
309  compiler: $CC
310 ])],
311         [AC_MSG_WARN([cross compiling: not checking])])
312 CFLAGS=$ac_save_CFLAGS
314 dnl build option: OCS2005 client hack
315 AC_ARG_ENABLE([ocs2005-message-hack],
316         [AC_HELP_STRING([--enable-ocs2005-message-hack], [disable message timeout for OCS2005 clients
317                                                           which causes "false" not delivered error messages
318                                                           @<:@default=no@:>@])],
319         [AC_DEFINE([ENABLE_OCS2005_MESSAGE_HACK], [1],
320                    [Define to 1 to disable SIP MESSAGE timeout feature.
321                     OCS2005 clients don't seem to acknowledge MESSAGEs and
322                     disabling the timeout suppresses "false" error messages])])
324 dnl build option: purple backend
325 AC_ARG_ENABLE([purple],
326         [AC_HELP_STRING([--enable-purple], [build purple plugin @<:@default=yes@:>@])],
327         [],
328         [enable_purple=yes])
329 with_purple_vv=no
330 AS_IF([test "x$enable_purple" != xno],
331         AS_IF([test "x$enable_purple" == "xyes" -o "x$enable_purple" == "x2"],
332                    [purple_pkgconfig=purple; gstreamer_pkgconfig=gstreamer-0.10],
333                   [test "x$enable_purple" == "x3"],
334                    [purple_pkgconfig=purple-3; gstreamer_pkgconfig=gstreamer-1.0])
336         [PKG_CHECK_MODULES(PURPLE, [$purple_pkgconfig >= 2.4.0],
337                 [dnl unfortunately PURPLE_MAJOR_VERSION is not exported by purple.m4
338                  PURPLE_MAJOR_VERSION=`$PKG_CONFIG --modversion $purple_pkgconfig | cut -d. -f 1`
339                  AC_SUBST(PURPLE_MAJOR_VERSION)
341                  ac_save_CFLAGS=$CFLAGS
342                  ac_save_LIBS=$LIBS
343                  CFLAGS="$PURPLE_CFLAGS $QUALITY_CFLAGS"
344                  LIBS="$PURPLE_LIBS"
346                  dnl check whether enable voice and video support
347                  AS_IF([test "x$with_vv" = xno], [], dnl disabled by user
348                        [test "x$with_vv" = xcheck],  dnl autodetect
349                          [AC_MSG_CHECKING(for purple voice and video support)
350                           AC_RUN_IFELSE(
351                                 [AC_LANG_PROGRAM([[
352 #include <media.h>
353                                         ]],
354                                         [[return (purple_media_get_type() == G_TYPE_NONE ? 1 : 0);]]
355                                 )],
356                                 [AC_MSG_RESULT(ok)
357                                  PKG_CHECK_MODULES(NICE, [nice >= 0.1.0],
358                                         dnl sipe-media.c uses g_slist_free_full()
359                                         [PKG_CHECK_MODULES(_SIPE_MEDIA_RECHECK_PLEASE_IGNORE, [$purple_pkgconfig >= 2.8.0],
360                                                 [PKG_CHECK_MODULES(GSTREAMER, [$gstreamer_pkgconfig],
361                                                         [with_purple_vv=yes],
362                                                         [AC_MSG_NOTICE(GStreamer required: disabling purple voice and video support)])],
363                                                 [AC_MSG_NOTICE(libpurple >= 2.8.0 required: disabling purple voice and video support)])],
364                                         [AC_MSG_NOTICE(libnice required: disabling purple voice and video support)])],
365                                 [AC_MSG_RESULT(no - your purple hasn't been compiled with voice and video support.)],
366                                 [AC_MSG_WARN([cross compiling: not checking])])
367                          ])
369                  dnl check if we have TCP media transport patches in libpurple
370                  AS_IF([test "x$with_purple_vv" != xno],
371                         [
372                          AC_MSG_CHECKING(for TCP media transport)
373                          AC_COMPILE_IFELSE(
374                                 [AC_LANG_PROGRAM([[#include <media.h>]],[[return PURPLE_MEDIA_NETWORK_PROTOCOL_TCP_ACTIVE]])],
375                                 [
376                                  with_purple_tcp=yes
377                                  AC_DEFINE(HAVE_ICE_TCP, 1, [Define if we have support for TCP media transport.])
378                                  AC_MSG_RESULT(yes)
379                                 ],
380                                 [AC_MSG_RESULT(no)]
381                          )
382                         ])
384                  CFLAGS=$ac_save_CFLAGS
385                  LIBS=$ac_save_LIBS],
386                 [enable_purple=no])])
387 AM_CONDITIONAL(SIPE_INCLUDE_PURPLE, [test "x$enable_purple" != xno])
389 dnl build option: telepathy backend
390 AC_ARG_ENABLE([telepathy],
391         [AC_HELP_STRING([--enable-telepathy], [build telepathy plugin @<:@default=yes@:>@])],
392         [],
393         [enable_telepathy=yes])
394 AS_IF([test "x$enable_telepathy" != xno],
395         [PKG_CHECK_MODULES(TELEPATHY_GLIB, [telepathy-glib >= 0.18.0],
396                 [dnl GMIME is a build requirement
397                  AS_IF([test "x$ac_have_gmime" = xyes],
398                         [],
399                         [AC_ERROR(GMIME package is required for telepathy plugin)])
401                  dnl telepathy is based on GObject & D-Bus GLib
402                  PKG_CHECK_MODULES(GOBJECT, [gobject-2.0])
403                  PKG_CHECK_MODULES(DBUS_GLIB, [dbus-glib-1])
405                  dnl telepathy uses from gio:
406                  dnl  - GIOStream      (>= 2.22.0)
407                  dnl  - GResolver      (>= 2.22.0)
408                  dnl  - GSocketClient  (>= 2.32.0)
409                  dnl  - GTlsConnection (>= 2.28.0)
410                  PKG_CHECK_MODULES(GIO, [gio-2.0 >= 2.32.0])
412                 ],
413                 [enable_telepathy=no])])
414 AM_CONDITIONAL(SIPE_INCLUDE_TELEPATHY, [test "x$enable_telepathy" != xno])
416 dnl sanity check
417 AS_IF([test "x$enable_purple" = xno -a "x$enable_telepathy" = xno],
418         [AC_ERROR(at least one plugin must be selected
420 If you didn't use a --enable option then please check that you have
421 the headers for the packages "purple" or "telepathy-glib" installed.
423         [])
425 dnl enable voice & video support if any backend supports it
426 AS_IF([test "x$with_purple_vv" != xno],
427         [AC_DEFINE(HAVE_VV, 1, [Define if voice & video is enabled.])])
428 AM_CONDITIONAL(SIPE_WITH_VV, [test "x$with_purple_vv" != xno])
430 dnl these code parts rely on interfaces that require GValueArray. This
431 dnl type has been declared "deprectated" in glib-2.0 >= 2.32.0, but there
432 dnl is no backward compatible replacement implementation possible
433 AS_IF([test "x$with_purple_vv" != xno -o "x$enable_telepathy" != xno],
434         [AC_DEFINE(GLIB_VERSION_MIN_REQUIRED, GLIB_VERSION_2_28,
435                    [We need GValueArray for which no replacement is available])])
437 dnl i18n
438 AC_MSG_CHECKING([locale_CPPFLAGS])
439 LOCALE_CPPFLAGS='-DLOCALEDIR=\"$(datadir)/locale\"'
440 AC_SUBST([LOCALE_CPPFLAGS])
441 AC_MSG_RESULT([$LOCALE_CPPFLAGS])
442 AM_GLIB_GNU_GETTEXT
443 AC_SUBST(GETTEXT_PACKAGE, "${PACKAGE_NAME}")
445 dnl codeset
446 AM_LANGINFO_CODESET
448 dnl substitutions and generated files
449 AC_CONFIG_HEADERS([config.h])
450 AC_CONFIG_FILES([
451         Makefile
452         pixmaps/Makefile
453         m4macros/Makefile
454         po/Makefile.in
455         pixmaps/16/Makefile
456         pixmaps/22/Makefile
457         pixmaps/24/Makefile
458         pixmaps/32/Makefile
459         pixmaps/48/Makefile
460         pixmaps/scalable/Makefile
461         src/Makefile
462         src/core/Makefile
463         src/api/Makefile
464         src/purple/Makefile
465         src/telepathy/Makefile
466         src/telepathy/data/Makefile
467         ])
469 dnl generate files
470 AC_OUTPUT()
472 dnl additional info for the user
473 AS_ECHO()
474 AS_IF([test "x$enable_purple" = xno],
475         [AS_ECHO("Not building purple plugin")],
476         [AS_ECHO("Build purple plugin")
477          AS_ECHO("PURPLE_CFLAGS  : $PURPLE_CFLAGS")
478          AS_ECHO("PURPLE_LIBS    : $PURPLE_LIBS")
479          AS_ECHO_N("Voice and video: ")
480          AS_IF([test "x$with_purple_vv" = xno],
481           [AS_ECHO("disabled")],
482           [
483            AS_ECHO_N("enabled")
484            AS_IF([test "x$with_purple_tcp" = xyes], [AS_ECHO_N(" with TCP transport")])
485            AS_ECHO()
486           ])
487         ])
488 AS_ECHO()
489 AS_IF([test "x$enable_telepathy" = xno],
490         [AS_ECHO("Not building telepathy plugin")],
491         [AS_ECHO("Build telepathy plugin")
492          AS_ECHO("TELEPATHY_GLIB_CFLAGS: $TELEPATHY_GLIB_CFLAGS")
493          AS_ECHO("TELEPATHY_GLIB_LIBS  : $TELEPATHY_GLIB_LIBS")])
494 AS_ECHO()
495 AS_IF([test "x$with_krb5" = xno],
496         [AS_ECHO("Not building with Kerberos 5 support")],
497         [AS_ECHO("Build with Kerberos 5 support")
498          AS_ECHO("KRB5_CFLAGS    : $KRB5_CFLAGS")
499          AS_ECHO("KRB5_LDFLAGS   : $KRB5_LDFLAGS")])
500 AS_ECHO()
501 AS_IF([test "x$enable_gssapi_only" = xno],
502         [AS_ECHO("Using internal authentication implementation")],
503         [AS_ECHO("Using only GSSAPI for authentication")])
504 AS_ECHO()
505 AS_IF([test "x$enable_debug" = xno],
506         [AS_ECHO("Debugging not enabled")],
507         [AS_ECHO("Build with debugging enabled")
508          AS_ECHO("DEBUG_CFLAGS   : $DEBUG_CFLAGS")])
509 AS_ECHO()
510 AS_IF([test "x$QUALITY_CFLAGS" = x],
511         [AS_ECHO("Compiler checks disabled")],
512         [AS_ECHO("Build with compiler checks enabled")
513          AS_ECHO("QUALITY_CFLAGS : $QUALITY_CFLAGS")])
514 AS_ECHO()
515 AS_ECHO("configure complete. Now run 'make'")
516 AS_ECHO()
518 dnl The End.