chiark / gitweb /
doxygen: remove obsolete config file entries
[disorder] / configure.ac
... / ...
CommitLineData
1# Process this file with autoconf to produce a configure script.
2#
3# This file is part of DisOrder.
4# Copyright (C) 2004-2013 Richard Kettlewell
5# Portions copyright (C) 2007 Ross Younger
6#
7# This program is free software: you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation, either version 3 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program. If not, see <http://www.gnu.org/licenses/>.
19#
20
21AC_INIT([disorder], [5.1.1], [richard+disorder@sfere.greenend.org.uk])
22AC_CONFIG_AUX_DIR([config.aux])
23AM_INIT_AUTOMAKE([foreign])
24AC_CONFIG_SRCDIR([server/disorderd.c])
25AM_CONFIG_HEADER([config.h])
26AC_CONFIG_MACRO_DIR([m4])
27
28# Find host type
29AC_CANONICAL_HOST
30
31# What we want to build
32want_gtk=yes
33want_python=yes
34want_tests=yes
35want_server=yes
36want_cgi=yes
37
38# APIs we want
39want_alsa=yes
40want_oss=yes
41want_coreaudio=yes
42want_pulseaudio=yes
43
44# By default we don't want gtk-osx. But if you ask for --with-gtk-osx...
45#
46# Disobedience can be built to a native OS X application. There are some
47# caveats:
48# - you will still need Fink (or something) for other libraries
49# - if you wanted an application bundle you are out of luck
50# - the menu bar is still in the main window (not at the top of the screen)
51# - drag and drop doesn't work
52#
53# So it's still rather rough and ready. But it does work...
54#
55# See:
56# http://www.gtk-osx.org/
57# http://live.gnome.org/GTK%2B/OSX/Framework
58want_gtkosx=no
59
60# Checks for programs.
61AC_PROG_CC
62AM_PROG_CC_C_O
63AC_PROG_AWK
64AC_SET_MAKE
65if test "x$GCC" = xyes; then
66 gcc_werror=-Werror
67 case "$CC" in
68 *-std=* )
69 ;;
70 * )
71 CC="${CC} -std=gnu99"
72 ;;
73 esac
74else
75 AC_MSG_ERROR([GNU C is required to build this program])
76 gcc_werror=""
77fi
78
79AC_ARG_WITH([alsa],
80 [AS_HELP_STRING([--without-alsa],
81 [do not build with ALSA support])],
82 [want_alsa=$withval])
83AC_ARG_WITH([pulseaudio],
84 [AS_HELP_STRING([--without-pulseaudio],
85 [do not build with PulseAudio support])],
86 [want_pulseaudio=$withval])
87AC_ARG_WITH([oss],
88 [AS_HELP_STRING([--without-oss],
89 [do not build with OSS support])],
90 [want_oss=$withval])
91AC_ARG_WITH([coreaudio],
92 [AS_HELP_STRING([--without-coreaudio],
93 [do not build with Core Audio support])],
94 [want_coreaudio=$withval])
95AC_ARG_WITH([tests],
96 [AS_HELP_STRING([--without-tests],
97 [do not build test suit])],
98 [want_tests=$withval])
99AC_ARG_WITH([gtk-osx],
100 [AS_HELP_STRING([--with-gtk-osx],
101 [use native GTK+ (OS X only)])],
102 [want_gtkosx=$withval])
103
104AC_MSG_CHECKING([for a known target platform])
105case "$host" in
106*empeg* )
107 AC_MSG_RESULT([empeg car stereo])
108 AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
109 # work around broken toolchain
110 AC_CHECK_LIB([gpg-error], [gpg_strerror])
111 AC_CHECK_LIB([pthread], [pthread_create])
112 want_server=no
113 want_cgi=no
114 ;;
115*linux* | *Linux* )
116 AC_MSG_RESULT([Linux])
117 AC_DEFINE_UNQUOTED([PATH_PROC_MOUNTS],["/proc/mounts"],[path to kernel mount list])
118 ;;
119*-apple-darwin* )
120 AC_MSG_RESULT([Mac OS X])
121 # AudioHardwareGetProperty is deprecated in 10.6, but it's still _there_,
122 # so we'll just turn off the warning.
123 CC="$CC -Wno-deprecated-declarations"
124 if test $want_coreaudio = yes; then
125 COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
126 fi
127 browser=open
128 AC_MSG_CHECKING([Mac OS X target version])
129 # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
130 # behaviour. But we provide a command line option to override it and
131 # we default to wide support instead of supporting only the build platform.
132 #
133 # Currently if you ask for 10.5 you will get a deprecation warning
134 # when building the CoreAudio support code. For the time being the
135 # answer to this is "don't do that then". If a good reason to ask
136 # for a 10.5 deployment target emerges then this will be fixed.
137 if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
138 MACOSX_DEPLOYMENT_TARGET=10.0
139 fi
140 AC_ARG_WITH([deployment-target],
141 [AS_HELP_STRING([--with-deployment-target=TARGET],
142 [set target OS X version])],
143 [MACOSX_DEPLOYMENT_TARGET=$withval])
144 # Convert to desired format
145 underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
146 minver="MAC_OS_X_VERSION_$underscored"
147 AC_MSG_RESULT([$minver])
148 AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
149 [define to minimum version of Mac OS X to support])
150
151 if test $want_gtkosx = no; then
152 # Fink's GTK+ is hopelessly broken
153 PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
154 export PKG_CONFIG_PATH
155 fi
156
157 ;;
158*-freebsd* )
159 AC_MSG_RESULT([FreeBSD])
160 # Ports install to /usr/local but the compiler stupidly doesn't look
161 # there by default
162 LDFLAGS="${LDFLAGS} -L/usr/local/lib"
163 CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
164 # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
165 AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
166 rjk_cv_libdb="none"
167 for db in db43 db44 db45 db47; do
168 if test -e /usr/local/lib/$db; then
169 rjk_cv_libdb=$db
170 break
171 fi
172 done
173 ])
174 if test $rjk_cv_libdb != none; then
175 LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
176 CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
177 fi
178 ;;
179* )
180 AC_MSG_RESULT([unknown, winging it])
181 ;;
182esac
183AC_SUBST([COREAUDIO])
184
185AC_ARG_WITH([browser],
186 [AS_HELP_STRING([--with-browser=BROWSER],
187 [use BROWSER to display HTML])],
188 [browser=$withval])
189
190AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
191 rjk_cv_browser=UNKNOWN
192 for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
193 if type $candidate >/dev/null 2>&1; then
194 rjk_cv_browser="$candidate"
195 break
196 fi
197 done
198])
199if test -z "$browser"; then
200 browser="$rjk_cv_browser"
201fi
202AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
203
204# Figure out what version of sox is installed
205AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
206 rjk_cv_soxver=UNKNOWN
207 if sox --version > /dev/null 2>&1; then
208 rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
209 else
210 rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
211 fi
212])
213
214# Decide what command line options to use
215#
216# sox version endian bits deployed
217# 12.17.9 -x -[bwld] debian etch, ubuntu dapper
218# 14.0.0 -x/-[BL] -[bwld] ubuntu hardy
219# 14.0.1 -x/-[BL] -[1248] debian lenny
220# 14.2.0 -x/-[BL] -[1248] debian sid (at 2008-12)
221
222AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
223 case $rjk_cv_soxver in
224 [[0-9]].* | 1[[0123]].* )
225 rjk_cv_soxgen=0
226 ;;
227 * )
228 rjk_cv_soxgen=1
229 ;;
230 esac
231])
232AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
233 [default sox generation])
234
235AC_ARG_WITH([server],
236 [AS_HELP_STRING([--without-server],
237 [do not build server])],
238 [want_server=$withval])
239AC_ARG_WITH([cgi],
240 [AS_HELP_STRING([--without-cgi],
241 [do not build CGI])],
242 [want_cgi=$withval])
243AC_ARG_WITH([gtk],
244 [AS_HELP_STRING([--without-gtk],
245 [do not build GTK+ client])],
246 [want_gtk=$withval])
247AC_ARG_WITH([python],
248 [AS_HELP_STRING([--without-python],
249 [do not build Python support])],
250 [want_python=$withval])
251
252if test $want_server = no; then
253 want_cgi=no
254fi
255
256#
257# OS Document Root CGI directory
258# == ============= =============
259# Debian /var/www /usr/lib/cgi-bin
260# Ubuntu /var/www /usr/lib/cgi-bin
261# Red Hat /var/www/html /var/www/cgi-bin
262# or: /home/httpd/html/ /home/httpd/cgi-bin
263# Slackware /var/www/htdocs (unknown)
264# SuSE /srv/www/html /srv/www/cgi-bin
265# Gentoo /var/www/localhost/htdocs /var/www/localhost/cgi-bin/
266# FreeBSD /usr/local/www/data /usr/local/www/cgi-bin
267# or: /usr/local/www/???/data /usr/local/www/???/cgi-bin
268# OS X /Library/WebServer/Documents /Library/WebServer/CGI-Executables
269# Apache /usr/local/apache/htdocs (none)
270#
271# Sources:
272# http://wiki.linuxquestions.org/wiki/Apache
273# http://mapserver.gis.umn.edu/docs/howto/suse-linux
274# http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
275# http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
276# http://httpd.apache.org/docs/
277#
278if test $want_cgi = yes; then
279 if test -z "$httpdir"; then
280 AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
281 rjk_cv_httpdir="not found"
282 for dir in /var/www/html \
283 /var/www/htdocs \
284 /var/www/localhost/htdocs \
285 /var/www \
286 /home/httpd/html \
287 /srv/www/html \
288 /usr/local/www/data \
289 /usr/local/www/*/data \
290 /Library/WebServer/Documents \
291 /usr/local/apache/htdocs; do
292 if test -d "$dir"; then
293 rjk_cv_httpdir="$dir"
294 fi
295 done
296 ])
297 if test "$rjk_cv_httpdir" = "not found"; then
298 AC_MSG_ERROR([cannot identify httpd documentroot. Set httpdir on configure command line])
299 fi
300 httpdir="$rjk_cv_httpdir"
301 fi
302 if test ! -z "$cgidir"; then
303 # This is a bit harsh but should stop any disasters
304 AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
305 fi
306 if test -z "$cgiexecdir"; then
307 AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
308 rjk_cv_cgiexecdir="not found"
309 for dir in /usr/lib/cgi-bin \
310 /Library/WebServer/CGI-Executables \
311 /srv/www/cgi-bin \
312 /var/www/cgi-bin \
313 /home/httpd/cgi-bin \
314 /var/www/localhost/cgi-bin \
315 /usr/local/lib/cgi-bin \
316 /usr/local/www/cgi-bin \
317 /usr/local/www/*/cgi-bin; do
318 if test -d "$dir"; then
319 rjk_cv_cgiexecdir="$dir"
320 break
321 fi
322 done
323 ])
324 if test "$rjk_cv_cgiexecdir" = "not found"; then
325 AC_MSG_ERROR([cannot identify CGI install directory. Set cgiexecdir on configure command line])
326 fi
327 cgiexecdir="$rjk_cv_cgiexecdir"
328 fi
329fi
330AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
331AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
332if test -z "$pkghttpdir"; then
333 pkghttpdir='$(httpdir)/disorder'
334fi
335AC_SUBST([pkghttpdir])
336
337if test -z "$dochtmldir"; then
338 dochtmldir='$(docdir)/html'
339fi
340AC_SUBST([dochtmldir])
341
342subdirs="scripts lib"
343if test $want_tests = yes; then
344 subdirs="${subdirs} libtests"
345fi
346subdirs="${subdirs} clients doc examples debian"
347
348if test $want_server = yes; then
349 subdirs="${subdirs} server plugins sounds"
350fi
351if test $want_cgi = yes; then
352 subdirs="${subdirs} cgi templates images"
353fi
354if test $want_gtk = yes; then
355 subdirs="${subdirs} disobedience"
356 if test $want_server = no; then
357 subdirs="${subdirs} images"
358 fi
359fi
360if test $want_tests = yes && test $want_python = yes; then
361 AM_PATH_PYTHON([2.5])
362 subdirs="${subdirs} python tests"
363fi
364AC_SUBST([subdirs])
365
366# libtool config
367AC_LIBTOOL_DLOPEN
368AC_DISABLE_STATIC
369
370AC_PROG_LIBTOOL
371
372AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
373 rjk_cv_gnused="not found"
374 for candidate in sed gsed; do
375 if $candidate --version >/dev/null 2>&1; then
376 rjk_cv_gnused=$candidate
377 fi
378 done
379])
380GNUSED="${GNUSED:-$rjk_cv_gnused}"
381if test "$GNUSED" = "not found"; then
382 AC_MSG_ERROR([GNU sed is required to build this program])
383fi
384AC_SUBST([GNUSED])
385
386AC_CHECK_PROGS([GROG],[grog])
387AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
388
389missing_libraries=""
390missing_headers=""
391missing_functions=""
392
393AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
394
395AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
396
397# Macs might have libraries under fink's root
398AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
399if test "x$FINK" != xnone; then
400 # Find Fink prefix
401 AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
402 rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
403 ])
404 # Add include and link paths
405 finkdir="${rjk_cv_finkprefix}"
406 finkbindir="${rjk_cv_finkprefix}/bin"
407 CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/gc -isystem ${rjk_cv_finkprefix}/include"
408 if test $want_server = yes; then
409 CPPFLAGS="${CPPFLAGS} -isystem ${rjk_cv_finkprefix}/include/db4"
410 fi
411 LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
412 # Distinguish 32- and 64-bit fink
413 AC_CACHE_CHECK([whether Fink is 32-bit or 64-bit],[rjk_cv_finkbits],[
414 odata=`otool -v -h $finkbindir/dpkg`
415 case "$odata" in
416 *X86_64* )
417 rjk_cv_finkbits=64
418 ;;
419 *I386* )
420 rjk_cv_finkbits=32
421 ;;
422 * )
423 rjk_cv_finkbits=unknown
424 ;;
425 esac
426 ])
427 # Match Fink so we can use its libraries
428 case $rjk_cv_finkbits in
429 32 | 64 )
430 CC="$CC -m$rjk_cv_finkbits"
431 ;;
432 esac
433else
434 finkbindir=""
435fi
436AC_SUBST([finkdir])
437AC_SUBST([finkbindir])
438
439# Checks for libraries.
440# We save up a list of missing libraries that we can't do without
441# and report them all at once.
442AC_CHECK_LIB(gc, GC_malloc, [AC_SUBST(LIBGC,[-lgc])],
443 [missing_libraries="$missing_libraries libgc"])
444AC_CHECK_LIB(gcrypt, gcry_md_open,
445 [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
446 [missing_libraries="$missing_libraries libgcrypt"])
447AC_CHECK_LIB(pcre, pcre_compile,
448 [AC_SUBST(LIBPCRE,[-lpcre])],
449 [missing_libraries="$missing_libraries libpcre"])
450if test $want_alsa = yes; then
451 AC_CHECK_LIB([asound], [snd_pcm_open],
452 [AC_SUBST(LIBASOUND,[-lasound])])
453fi
454if test $want_pulseaudio = yes; then
455 PKG_CHECK_MODULES([PULSEAUDIO],[libpulse],
456 [AC_DEFINE([HAVE_PULSEAUDIO],[1],[define to 1 for PulseAudio support])],
457 [missing_libraries="$missing_libraries libpulse"])
458 PKG_CHECK_MODULES([PULSEAUDIO_SIMPLE],[libpulse-simple],,
459 [missing_libraries="$missing_libraries libpulse-simple"])
460fi
461AC_CHECK_LIB([samplerate],[src_new],
462 [AC_SUBST([LIBSAMPLERATE],[-lsamplerate])])
463if test $want_server = yes; then
464 RJK_CHECK_LIB(db, db_create, [#include <db.h>],
465 [AC_SUBST(LIBDB,[-ldb])],
466 [missing_libraries="$missing_libraries libdb"])
467 AC_CHECK_LIB(vorbis, vorbis_info_clear,
468 [:],
469 [missing_libraries="$missing_libraries libvorbis"])
470 AC_CHECK_LIB(vorbisfile, ov_open,
471 [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
472 [missing_libraries="$missing_libraries libvorbisfile"],
473 [-lvorbis])
474 AC_CHECK_LIB(mad, mad_stream_init,
475 [AC_SUBST(LIBMAD,[-lmad])],
476 [missing_libraries="$missing_libraries libmad"])
477 AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
478 [AC_SUBST(LIBFLAC,[-lFLAC])],
479 [missing_libraries="$missing_libraries libFLAC"])
480fi
481AC_CHECK_LIB([pthread], [pthread_create],
482 [AC_SUBST(LIBPTHREAD,[-lpthread])],
483 [missing_libraries="$missing_libraries libpthread"])
484
485if test $want_gtk = yes; then
486 if test $want_gtkosx = yes; then
487 GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
488 GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
489 GTK_LIBS="-framework Gtk -framework GLib"
490 else
491 AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
492 AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
493 fi
494fi
495
496# Some platforms have iconv already
497AC_CHECK_FUNC(iconv_open, [:],
498 [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
499 [AC_SUBST(LIBICONV,[-liconv])],
500 [missing_functions="$missing_functions iconv_open"])])
501AC_CHECK_FUNC([gethostbyname],[:],[
502 AC_CHECK_LIB(nsl,gethostbyname,
503 [AC_SUBST(LIBNSL,[-lnsl])],
504 [missing_functions="$missing_functions gethostbyname"])])
505AC_CHECK_FUNC([socket],[:],[
506 AC_CHECK_LIB(socket,socket,
507 [AC_SUBST(LIBSOCKET,[-lsocket])],
508 [missing_functions="$missing_functions socket"])])
509AC_CHECK_FUNC([dlopen],[:],[
510 AC_CHECK_LIB(dl,dlopen,
511 [AC_SUBST(LIBDL,[-ldl])],
512 [missing_functions="$missing_functions dlopen"])])
513
514if test ! -z "$missing_libraries"; then
515 AC_MSG_ERROR([missing libraries:$missing_libraries])
516fi
517
518# Checks for header files.
519RJK_FIND_GC_H
520if test $want_oss = yes; then
521 AC_CHECK_HEADERS([sys/soundcard.h])
522fi
523if test $want_alsa = yes; then
524 AC_CHECK_HEADERS([alsa/asoundlib.h])
525fi
526if test $want_coreaudio = yes; then
527 AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
528fi
529AC_CHECK_HEADERS([inttypes.h])
530# We don't bother checking very standard stuff
531# Compilation will fail if any of these headers are missing, so we
532# check for them here and fail early.
533if test $want_server = yes; then
534 AC_CHECK_HEADERS([db.h],[:],[
535 missing_headers="$missing_headers $ac_header"
536 ])
537fi
538AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
539 getopt.h iconv.h langinfo.h \
540 pcre.h sys/ioctl.h \
541 syslog.h unistd.h],[:],[
542 missing_headers="$missing_headers $ac_header"
543])
544AC_CHECK_HEADERS([samplerate.h])
545
546if test ! -z "$missing_headers"; then
547 AC_MSG_ERROR([missing headers:$missing_headers])
548fi
549
550# We require that libpcre support UTF-8
551RJK_REQUIRE_PCRE_UTF8([-lpcre])
552
553# Checks for typedefs, structures, and compiler characteristics.
554AC_C_CONST
555AC_TYPE_SIZE_T
556AC_C_INLINE
557AC_C_BIGENDIAN
558AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
559#include <netinet/in.h>])
560
561# Figure out how we'll check for devices being mounted and unmounted
562AC_CACHE_CHECK([for list of mounted filesystems],[rjk_cv_mtab],[
563 if test -e /etc/mtab; then
564 rjk_cv_mtab=/etc/mtab
565 else
566 rjk_cv_mtab=none
567 fi
568])
569if test $rjk_cv_mtab != none; then
570 AC_DEFINE_UNQUOTED([PATH_MTAB],["$rjk_cv_mtab"],[path to file containing mount list])
571fi
572
573# enable -Werror when we check for certain characteristics:
574
575old_CFLAGS="${CFLAGS}"
576CFLAGS="${CFLAGS} $gcc_werror"
577AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
578
579# Some GCC invocations warn for converting function pointers to void *.
580# This is fair enough, as it's technically forbidden, but we use dlsym()
581# which can pretty much only exist if object and function pointers are
582# interconvertable. So we disable -Werror if need be.
583if test ! -z "$gcc_werror"; then
584 AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
585 [rjk_cv_function_pointer_cast],[
586 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
587 void somefunction(void);],
588 [(void *)somefunction])],
589 [rjk_cv_function_pointer_cast=yes],
590 [rjk_cv_function_pointer_cast=no])])
591 if test $rjk_cv_function_pointer_cast = no; then
592 gcc_werror=""
593 fi
594fi
595
596CFLAGS="${old_CFLAGS}"
597
598# gcrypt maintainers keep changing everything. Design your interface
599# first, then implement it once, rather than getting it wrong three or
600# four times and shipping between each attempt.
601AC_CACHE_CHECK([for hash handle type in <grypt.h>],
602 [rjk_cv_gcrypt_hash_handle],[
603 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
604#include <gcrypt.h>
605],
606 [gcry_md_hd_t h;])],
607 [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
608 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
609#include <gcrypt.h>
610],
611 [GcryMDHd h;])],
612 [rjk_cv_gcrypt_hash_handle=GcryMDHd],
613 [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
614AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
615 [libgcrypt hash handle type])
616
617AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
618 [rjk_cv_have_gcry_error_t],[
619 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
620#include <gcrypt.h>
621],
622 [gcry_error_t e;])],
623 [rjk_cv_have_gcry_error_t=yes],
624 [rjk_cv_have_gcry_error_t=no])])
625if test $rjk_cv_have_gcry_error_t = yes; then
626 AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
627fi
628
629# Checks for functions
630if test $ac_cv_type_long_long = yes; then
631 AC_CHECK_FUNCS([atoll strtoll],[:],[
632 missing_functions="$missing_functions $ac_func"
633 ])
634 # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
635 AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
636 [rjk_cv_strtoll_declared],[
637 AC_EGREP_HEADER([strtoll], [stdlib.h],
638 [rjk_cv_strtoll_declared=yes],
639 [rjk_cv_strtoll_declared=no])])
640 if test $rjk_cv_strtoll_declared = yes; then
641 AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
642 fi
643 AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
644 [rjk_cv_atoll_declared],[
645 AC_EGREP_HEADER([atoll], [stdlib.h],
646 [rjk_cv_atoll_declared=yes],
647 [rjk_cv_atoll_declared=no])])
648 if test $rjk_cv_atoll_declared = yes; then
649 AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
650 fi
651fi
652AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
653 missing_functions="$missing_functions $ac_func"
654])
655# fsync will do if fdatasync not available
656AC_CHECK_FUNCS([fdatasync],[:],[
657 AC_CHECK_FUNCS([fsync],
658 [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
659 [missing_functions="$missing_functions fdatasync"])])
660if test ! -z "$missing_functions"; then
661 AC_MSG_ERROR([missing functions:$missing_functions])
662fi
663
664# Functions we can take or leave
665AC_CHECK_FUNCS([fls getfsstat])
666
667if test $want_server = yes; then
668 # <db.h> had better be version 3 or later
669 AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
670 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
671 #include <db.h>
672 #ifndef DB_VERSION_MAJOR
673 # error cannot determine db version
674 #endif
675 #if DB_VERSION_MAJOR < 4
676 # error inadequate db version
677 #endif
678 #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
679 # error inadequate db version
680 #endif
681 ],[])],
682 [rjk_cv_db_version=ok],
683 [rjk_cv_db_version=inadequate])
684 if test $rjk_cv_db_version = ok; then
685 AC_PREPROC_IFELSE([AC_LANG_PROGRAM([
686 #include <db.h>
687 #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
688 # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
689 #endif
690 ],[])],
691 [rjk_cv_db_version=ok],
692 [rjk_cv_db_version=toxic])
693 fi
694 ])
695 case $rjk_cv_db_version in
696 ok )
697 ;;
698 inadequate )
699 AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
700 ;;
701 toxic )
702 AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
703 ;;
704 esac
705fi
706
707AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
708if test $want_gtk = yes; then
709 AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
710fi
711AM_CONDITIONAL([GTK], [test x$want_gtk = xyes])
712
713if test "x$GCC" = xyes; then
714 # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
715 # by default.
716 AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
717 AC_TRY_COMPILE([#include <limits.h>],[
718 long long n = LLONG_MAX;
719 ],[rjk_cv_cstd=default],[
720 old_CC="$CC"
721 CC="${CC} -std=gnu99"
722 AC_TRY_COMPILE([#include <limits.h>],[
723 long long n = LLONG_MAX;
724 ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
725 CC="$old_CC"
726 ])
727 ])
728 case $rjk_cv_cstd in
729 default | unknown )
730 ;;
731 * )
732 CC="${CC} -std=${rjk_cv_cstd}"
733 ;;
734 esac
735
736 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
737 AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
738 old_CC="$CC"
739 if test $GCC = yes; then
740 CC="$CC -Wall -Werror"
741 fi
742 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
743 static int x(char *f) {
744 return *f;
745 }
746 int z(const char *g) {
747 return x((char *)g);
748 }],[])],
749 [rjk_cv_pr29478=no],
750 [rjk_cv_pr29478=yes]
751 )
752 CC="$old_CC"
753 ])
754 if test $rjk_cv_pr29478 = yes; then
755 gcc_werror=''
756 fi
757
758 AC_CACHE_CHECK([checking for excessively strict -Wreturn-type],
759 [rjk_cv_gcc44_stupidity],[
760 old_CC="$CC"
761 if test $GCC = yes; then
762 CC="$CC -Wreturn-type -Werror"
763 fi
764 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[
765 static void *threadfn(void) {
766 for(;;)
767 ;
768 }],[])],
769 [rjk_cv_gcc44_stupidity=no],
770 [rjk_cv_gcc44_stupidity=yes])
771 CC="$old_CC"
772 ])
773 if test $rjk_cv_gcc44_stupidity = yes; then
774 AC_DEFINE([HAVE_STUPID_GCC44],[1],[Define if your compiler has excessively strict -Wreturn-type])
775 fi
776
777 # a reasonable default set of warnings
778 CC="${CC} -Wall -W -Wpointer-arith \
779 -Wwrite-strings -Wmissing-prototypes \
780 -Wmissing-declarations -Wnested-externs"
781
782 # Fix up GTK+ and GLib compiler flags
783 GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
784 GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
785
786 if test "$gcc_werror" != ''; then
787 # GCC 2.95 doesn't know to ignore warnings from system headers
788 AC_CACHE_CHECK([whether -Werror is usable],
789 rjk_cv_werror, [
790 save_CFLAGS="${CFLAGS}"
791 CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
792 AC_TRY_COMPILE([#if WITH_GTK
793 #include <gtk/gtk.h>
794#endif
795
796struct s { int a, b; };
797const struct s sv = { .a = 1 };],
798 [],
799 [rjk_cv_werror=yes],
800 [rjk_cv_werror=no])
801 CFLAGS="${save_CFLAGS}"
802 ])
803 if test $rjk_cv_werror = no; then
804 gcc_werror=''
805 fi
806 fi
807 CC="${CC} $gcc_werror"
808
809 # for older GCCs that don't know %ju (etc)
810 AC_CACHE_CHECK([whether -Wno-format is required],
811 rjk_cv_noformat,
812 AC_TRY_COMPILE([#include <stdio.h>
813#include <stdint.h>
814],
815 [printf("%ju", (uintmax_t)0);],
816 [rjk_cv_noformat=no],
817 [rjk_cv_noformat=yes]))
818 if test $rjk_cv_noformat = yes; then
819 CC="${CC} -Wno-format"
820 fi
821
822 AC_CACHE_CHECK([whether -Wshadow is OK],
823 rjk_cv_shadow,
824 oldCC="${CC}"
825 CC="${CC} -Wshadow"
826 [AC_TRY_COMPILE([
827#include <unistd.h>
828#include <vorbis/vorbisfile.h>
829],
830 [],
831 [rjk_cv_shadow=yes],
832 [rjk_cv_shadow=no])
833 CC="${oldCC}"])
834 if test $rjk_cv_shadow = yes; then
835 CC="${CC} -Wshadow"
836 fi
837fi
838
839RJK_GCOV
840
841AH_BOTTOM([#ifdef __GNUC__
842# define attribute(x) __attribute__(x)
843#else
844# define attribute(x)
845#endif])
846
847AC_CONFIG_FILES([Makefile
848 images/Makefile
849 scripts/Makefile
850 lib/Makefile
851 server/Makefile
852 cgi/Makefile
853 clients/Makefile
854 disobedience/Makefile
855 disobedience/manual/Makefile
856 doc/Makefile
857 templates/Makefile
858 plugins/Makefile
859 debian/Makefile
860 sounds/Makefile
861 python/Makefile
862 examples/Makefile
863 libtests/Makefile
864 tests/Makefile])
865AC_OUTPUT
866
867if test $GCC = yes && test "$gcc_werror" = ''; then
868 AC_MSG_WARN([building without -Werror])
869fi
870if test $want_python = no; then
871 AC_MSG_WARN([cannot run the test suit without Python])
872fi
873if test $want_server = yes && test "$ac_cv_lib_samplerate_src_new" != yes; then
874 AC_MSG_WARN([libsamplerate will be required in a future version])
875fi
876
877# Local Variables:
878# indent-tabs-mode:nil
879# End: