1 # Process this file with autoconf to produce a configure script.
3 # This file is part of DisOrder.
4 # Copyright (C) 2004-2009 Richard Kettlewell
5 # Portions copyright (C) 2007 Ross Younger
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.
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.
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/>.
21 AC_INIT([disorder], [4.3+], [richard+disorder@sfere.greenend.org.uk])
22 AC_CONFIG_AUX_DIR([config.aux])
23 AM_INIT_AUTOMAKE(disorder, [4.3+])
24 AC_CONFIG_SRCDIR([server/disorderd.c])
25 AM_CONFIG_HEADER([config.h])
30 # What we want to build
42 # By default we don't want gtk-osx. But if you ask for --with-gtk-osx...
44 # Disobedience can be built to a native OS X application. There are some
46 # - you will still need Fink (or something) for other libraries
47 # - if you wanted an application bundle you are out of luck
48 # - the menu bar is still in the main window (not at the top of the screen)
50 # So it's still rather rough and ready. But it does work...
53 # http://www.gtk-osx.org/
54 # http://live.gnome.org/GTK%2B/OSX/Framework
57 # Checks for programs.
62 if test "x$GCC" = xyes; then
72 AC_MSG_ERROR([GNU C is required to build this program])
77 [AS_HELP_STRING([--without-alsa],
78 [do not build with ALSA support])],
81 [AS_HELP_STRING([--without-oss],
82 [do not build with OSS support])],
84 AC_ARG_WITH([coreaudio],
85 [AS_HELP_STRING([--without-coreaudio],
86 [do not build with Core Audio support])],
87 [want_coreaudio=$withval])
89 [AS_HELP_STRING([--without-tests],
90 [do not build test suit])],
91 [want_tests=$withval])
92 AC_ARG_WITH([gtk-osx],
93 [AS_HELP_STRING([--with-gtk-osx],
95 [want_gtkosx=$withval])
97 AC_MSG_CHECKING([for a known target platform])
100 AC_MSG_RESULT([empeg car stereo])
101 AC_DEFINE([EMPEG_HOST],[1],[define if host is an empeg car stereo])
102 # work around broken toolchain
103 AC_CHECK_LIB([gpg-error], [gpg_strerror])
104 AC_CHECK_LIB([pthread], [pthread_create])
109 AC_MSG_RESULT([Linux])
112 AC_MSG_RESULT([Mac OS X])
113 if test $want_coreaudio = yes; then
114 COREAUDIO="-framework CoreFoundation -framework CoreServices -framework CoreAudio"
117 AC_MSG_CHECKING([Mac OS X target version])
118 # We honor MACOSX_DEPLOYMENT_TARGET in the environment, emulating gcc's
119 # behaviour. But we provide a command line option to override it and
120 # we default to wide support instead of supporting only the build platform.
122 # Currently if you ask for 10.5 you will get a deprecation warning
123 # when building the CoreAudio support code. For the time being the
124 # answer to this is "don't do that then". If a good reason to ask
125 # for a 10.5 deployment target emerges then this will be fixed.
126 if test -z "$MACOSX_DEPLOYMENT_TARGET"; then
127 MACOSX_DEPLOYMENT_TARGET=10.0
129 AC_ARG_WITH([deployment-target],
130 [AS_HELP_STRING([--with-deployment-target=TARGET],
131 [set target OS X version])],
132 [MACOSX_DEPLOYMENT_TARGET=$withval])
133 # Convert to desired format
134 underscored=`echo $MACOSX_DEPLOYMENT_TARGET|sed 's/\./_/'`
135 minver="MAC_OS_X_VERSION_$underscored"
136 AC_MSG_RESULT([$minver])
137 AC_DEFINE_UNQUOTED([MAC_OS_X_VERSION_MIN_REQUIRED], [$minver],
138 [define to minimum version of Mac OS X to support])
140 if test $want_gtkosx = no; then
141 # Fink's GTK+ is hopelessly broken
142 PKG_CONFIG_PATH=${PKG_CONFIG_PATH:-/sw/lib/pango-ft219/lib/pkgconfig}
143 export PKG_CONFIG_PATH
148 AC_MSG_RESULT([FreeBSD])
149 # Ports install to /usr/local but the compiler stupidly doesn't look
151 LDFLAGS="${LDFLAGS} -L/usr/local/lib"
152 CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include"
153 # Look for a suitable version of libdb among the versions found in FreeBSD 7.0
154 AC_CACHE_CHECK([looking for a libdb install],[rjk_cv_libdb],[
156 for db in db43 db44 db45 db46; do
157 if test -e /usr/local/lib/$db; then
163 if test $rjk_cv_libdb != none; then
164 LDFLAGS="${LDFLAGS} -L/usr/local/lib/$rjk_cv_libdb"
165 CPPFLAGS="${CPPFLAGS} -isystem /usr/local/include/$rjk_cv_libdb"
169 AC_MSG_RESULT([unknown, winging it])
172 AC_SUBST([COREAUDIO])
174 AC_ARG_WITH([browser],
175 [AS_HELP_STRING([--with-browser=BROWSER],
176 [use BROWSER to display HTML])],
179 AC_CACHE_CHECK([default HTML viewer],[rjk_cv_browser],[
180 rjk_cv_browser=UNKNOWN
181 for candidate in x-www-browser sensible-browser firefox mozilla konqueror netscape; do
182 if type $candidate >/dev/null 2>&1; then
183 rjk_cv_browser="$candidate"
188 if test -z "$browser"; then
189 browser="$rjk_cv_browser"
191 AC_DEFINE_UNQUOTED([BROWSER],["$browser"],[HTML viewer])
193 # Figure out what version of sox is installed
194 AC_CACHE_CHECK([sox version],[rjk_cv_soxver],[
195 rjk_cv_soxver=UNKNOWN
196 if sox --version > /dev/null 2>&1; then
197 rjk_cv_soxver=`sox --version|$AWK '{ if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
199 rjk_cv_soxver=`sox -h 2>&1|$AWK '/Version/ { if(match($0, /[[0-9\.]]+/)) print substr($0,RSTART,RLENGTH)}'`
203 # Decide what command line options to use
205 # sox version endian bits deployed
206 # 12.17.9 -x -[bwld] debian etch, ubuntu dapper
207 # 14.0.0 -x/-[BL] -[bwld] ubuntu hardy
208 # 14.0.1 -x/-[BL] -[1248] debian lenny
209 # 14.2.0 -x/-[BL] -[1248] debian sid (at 2008-12)
211 AC_CACHE_CHECK([default sox generation],[rjk_cv_soxgen],[
212 case $rjk_cv_soxver in
213 [[0-9]].* | 1[[0123]].* )
221 AC_DEFINE_UNQUOTED([DEFAULT_SOX_GENERATION],[$rjk_cv_soxgen],
222 [default sox generation])
224 AC_ARG_WITH([server],
225 [AS_HELP_STRING([--without-server],
226 [do not build server])],
227 [want_server=$withval])
229 [AS_HELP_STRING([--without-cgi],
230 [do not build CGI])],
233 [AS_HELP_STRING([--without-gtk],
234 [do not build GTK+ client])],
236 AC_ARG_WITH([python],
237 [AS_HELP_STRING([--without-python],
238 [do not build Python support])],
239 [want_python=$withval])
241 if test $want_server = no; then
246 # OS Document Root CGI directory
247 # == ============= =============
248 # Debian /var/www /usr/lib/cgi-bin
249 # Ubuntu /var/www /usr/lib/cgi-bin
250 # Red Hat /var/www/html /var/www/cgi-bin
251 # or: /home/httpd/html/ /home/httpd/cgi-bin
252 # Slackware /var/www/htdocs (unknown)
253 # SuSE /srv/www/html /srv/www/cgi-bin
254 # Gentoo /var/www/localhost/htdocs /var/www/localhost/cgi-bin/
255 # FreeBSD /usr/local/www/data /usr/local/www/cgi-bin
256 # or: /usr/local/www/???/data /usr/local/www/???/cgi-bin
257 # OS X /Library/WebServer/Documents /Library/WebServer/CGI-Executables
258 # Apache /usr/local/apache/htdocs (none)
261 # http://wiki.linuxquestions.org/wiki/Apache
262 # http://mapserver.gis.umn.edu/docs/howto/suse-linux
263 # http://www.yolinux.com/TUTORIALS/LinuxTutorialWebSiteConfig.html
264 # http://sources.gentoo.org/viewcvs.py/apache/trunk/dist/2.2/conf/vhosts.d/default_vhost.include?rev=198&view=log
265 # http://httpd.apache.org/docs/
267 if test $want_cgi = yes; then
268 if test -z "$httpdir"; then
269 AC_CACHE_CHECK([for httpd document root],[rjk_cv_httpdir],[
270 rjk_cv_httpdir="not found"
271 for dir in /var/www/html \
273 /var/www/localhost/htdocs \
277 /usr/local/www/data \
278 /usr/local/www/*/data \
279 /Library/WebServer/Documents \
280 /usr/local/apache/htdocs; do
281 if test -d "$dir"; then
282 rjk_cv_httpdir="$dir"
286 if test "$rjk_cv_cgiexecdir" = "not found"; then
287 AC_MSG_ERROR([cannot identify httpd documentroot. Set httpdir on configure command line])
289 httpdir="$rjk_cv_httpdir"
291 if test ! -z "$cgidir"; then
292 # This is a bit harsh but should stop any disasters
293 AC_MSG_ERROR([cgidir has been renamed to cgiexecdir])
295 if test -z "$cgiexecdir"; then
296 AC_CACHE_CHECK([for CGI directory],[rjk_cv_cgiexecdir],[
297 rjk_cv_cgiexecdir="not found"
298 for dir in /usr/lib/cgi-bin \
299 /Library/WebServer/CGI-Executables \
302 /home/httpd/cgi-bin \
303 /var/www/localhost/cgi-bin \
304 /usr/local/lib/cgi-bin \
305 /usr/local/www/cgi-bin \
306 /usr/local/www/*/cgi-bin; do
307 if test -d "$dir"; then
308 rjk_cv_cgiexecdir="$dir"
313 if test "$rjk_cv_cgiexecdir" = "not found"; then
314 AC_MSG_ERROR([cannot identify CGI install directory. Set cgiexecdir on configure command line])
316 cgiexecdir="$rjk_cv_cgiexecdir"
319 AC_ARG_VAR([cgiexecdir], [location of cgi-bin directory, e.g. /usr/lib/cgi-bin])
320 AC_ARG_VAR([httpdir], [location of http document root, e.g. /var/www/htdocs])
321 if test -z "$pkghttpdir"; then
322 pkghttpdir='$(httpdir)/disorder'
324 AC_SUBST([pkghttpdir])
326 subdirs="scripts lib"
327 if test $want_tests = yes; then
328 subdirs="${subdirs} libtests"
330 subdirs="${subdirs} clients doc examples debian"
332 if test $want_server = yes; then
333 subdirs="${subdirs} server plugins driver sounds"
335 if test $want_cgi = yes; then
336 subdirs="${subdirs} cgi templates images"
338 if test $want_gtk = yes; then
339 subdirs="${subdirs} disobedience"
340 if test $want_server = no; then
341 subdirs="${subdirs} images"
344 if test $want_tests = yes && test $want_python = yes; then
345 AM_PATH_PYTHON([2.5])
346 subdirs="${subdirs} python tests"
356 AC_CACHE_CHECK([for GNU sed],[rjk_cv_gnused],[
357 rjk_cv_gnused="not found"
358 for candidate in sed gsed; do
359 if $candidate --version >/dev/null 2>&1; then
360 rjk_cv_gnused=$candidate
364 GNUSED="${GNUSED:-$rjk_cv_gnused}"
365 if test "$GNUSED" = "not found"; then
366 AC_MSG_ERROR([GNU sed is required to build this program])
370 AC_CHECK_PROGS([GROG],[grog])
371 AM_CONDITIONAL([GROG],[test "x$GROG" != xnone])
377 AC_DEFINE(_GNU_SOURCE, 1, [required for e.g. strsignal])
379 AC_PATH_PROG([SENDMAIL],[sendmail],[none],[$PATH:/usr/sbin:/usr/lib])
381 # Macs might have libraries under fink's root
382 AC_PATH_PROG([FINK],[fink],[none],[$PATH:/sw/bin])
383 if test "x$FINK" != xnone; then
384 AC_CACHE_CHECK([fink install directory],[rjk_cv_finkprefix],[
385 rjk_cv_finkprefix="`echo "$FINK" | sed 's,/bin/fink$,,'`"
387 finkdir="${rjk_cv_finkprefix}"
388 finkbindir="${rjk_cv_finkprefix}/bin"
389 CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/gc -I${rjk_cv_finkprefix}/include"
390 if test $want_server = yes; then
391 CPPFLAGS="${CPPFLAGS} -I${rjk_cv_finkprefix}/include/db4"
393 LDFLAGS="${LDFLAGS} -L${rjk_cv_finkprefix}/lib"
398 AC_SUBST([finkbindir])
400 # Checks for libraries.
401 # We save up a list of missing libraries that we can't do without
402 # and report them all at once.
403 AC_CHECK_LIB(gc, GC_malloc, [AC_SUBST(LIBGC,[-lgc])],
404 [missing_libraries="$missing_libraries libgc"])
405 AC_CHECK_LIB(gcrypt, gcry_md_open,
406 [AC_SUBST(LIBGCRYPT,[-lgcrypt])],
407 [missing_libraries="$missing_libraries libgcrypt"])
408 AC_CHECK_LIB(pcre, pcre_compile,
409 [AC_SUBST(LIBPCRE,[-lpcre])],
410 [missing_libraries="$missing_libraries libpcre"])
411 if test $want_alsa = yes; then
412 AC_CHECK_LIB([asound], [snd_pcm_open],
413 [AC_SUBST(LIBASOUND,[-lasound])])
415 if test $want_server = yes; then
416 RJK_CHECK_LIB(db, db_create, [#include <db.h>],
417 [AC_SUBST(LIBDB,[-ldb])],
418 [missing_libraries="$missing_libraries libdb"])
419 AC_CHECK_LIB(vorbis, vorbis_info_clear,
421 [missing_libraries="$missing_libraries libvorbis"])
422 AC_CHECK_LIB(vorbisfile, ov_open,
423 [AC_SUBST(LIBVORBISFILE,["-lvorbisfile -lvorbis"])],
424 [missing_libraries="$missing_libraries libvorbisfile"],
426 AC_CHECK_LIB(mad, mad_stream_init,
427 [AC_SUBST(LIBMAD,[-lmad])],
428 [missing_libraries="$missing_libraries libmad"])
429 AC_CHECK_LIB([ao], [ao_initialize],
430 [AC_SUBST(LIBAO,[-lao])],
431 [missing_libraries="$missing_libraries libao"])
432 AC_CHECK_LIB([FLAC], [FLAC__stream_decoder_new],
433 [AC_SUBST(LIBFLAC,[-lFLAC])],
434 [missing_libraries="$missing_libraries libFLAC"])
436 AC_CHECK_LIB([pthread], [pthread_create],
437 [AC_SUBST(LIBPTHREAD,[-lpthread])],
438 [missing_libraries="$missing_libraries libpthread"])
440 if test $want_gtk = yes; then
441 if test $want_gtkosx = yes; then
442 GTK_CFLAGS="-isystem /Library/Frameworks/Gtk.framework/Headers -isystem /Library/Frameworks/Cairo.framework/Headers"
443 GLIB_CFLAGS="-isystem /Library/Frameworks/GLib.framework/Headers"
444 GTK_LIBS="-framework Gtk -framework GLib"
446 AM_PATH_GLIB_2_0([],[],[missing_libraries="$missing_libraries libglib"])
447 AM_PATH_GTK_2_0([],[],[missing_libraries="$missing_libraries libgtk"])
451 # Some platforms have iconv already
452 AC_CHECK_FUNC(iconv_open, [:],
453 [RJK_CHECK_LIB(iconv, iconv_open, [#include <iconv.h>],
454 [AC_SUBST(LIBICONV,[-liconv])],
455 [missing_functions="$missing_functions iconv_open"])])
456 AC_CHECK_FUNC([gethostbyname],[:],[
457 AC_CHECK_LIB(nsl,gethostbyname,
458 [AC_SUBST(LIBNSL,[-lnsl])],
459 [missing_functions="$missing_functions gethostbyname"])])
460 AC_CHECK_FUNC([socket],[:],[
461 AC_CHECK_LIB(socket,socket,
462 [AC_SUBST(LIBSOCKET,[-lsocket])],
463 [missing_functions="$missing_functions socket"])])
464 AC_CHECK_FUNC([dlopen],[:],[
465 AC_CHECK_LIB(dl,dlopen,
466 [AC_SUBST(LIBDL,[-ldl])],
467 [missing_functions="$missing_functions dlopen"])])
469 if test ! -z "$missing_libraries"; then
470 AC_MSG_ERROR([missing libraries:$missing_libraries])
473 # Checks for header files.
475 if test $want_oss = yes; then
476 AC_CHECK_HEADERS([sys/soundcard.h])
478 if test $want_alsa = yes; then
479 AC_CHECK_HEADERS([alsa/asoundlib.h])
481 if test $want_coreaudio = yes; then
482 AC_CHECK_HEADERS([CoreAudio/AudioHardware.h])
484 AC_CHECK_HEADERS([inttypes.h])
485 # We don't bother checking very standard stuff
486 # Compilation will fail if any of these headers are missing, so we
487 # check for them here and fail early.
488 if test $want_server = yes; then
489 AC_CHECK_HEADERS([db.h],[:],[
490 missing_headers="$missing_headers $ac_header"
492 AC_CHECK_HEADERS([FLAC/file_decoder.h])
494 AC_CHECK_HEADERS([dlfcn.h gcrypt.h \
495 getopt.h iconv.h langinfo.h \
497 syslog.h unistd.h],[:],[
498 missing_headers="$missing_headers $ac_header"
501 if test ! -z "$missing_headers"; then
502 AC_MSG_ERROR([missing headers:$missing_headers])
505 # We require that libpcre support UTF-8
506 RJK_REQUIRE_PCRE_UTF8([-lpcre])
508 # Checks for typedefs, structures, and compiler characteristics.
513 AC_CHECK_TYPES([struct sockaddr_in6],,,[AC_INCLUDES_DEFAULT
514 #include <netinet/in.h>])
516 # enable -Werror when we check for certain characteristics:
518 old_CFLAGS="${CFLAGS}"
519 CFLAGS="${CFLAGS} $gcc_werror"
520 AC_CHECK_TYPES([long long,uint32_t,uint8_t,intmax_t,uintmax_t])
522 # Some GCC invocations warn for converting function pointers to void *.
523 # This is fair enough, as it's technically forbidden, but we use dlsym()
524 # which can pretty much only exist if object and function pointers are
525 # interconvertable. So we disable -Werror if need be.
526 if test ! -z "$gcc_werror"; then
527 AC_CACHE_CHECK([whether function pointers can be converted to void * without a warning],
528 [rjk_cv_function_pointer_cast],[
529 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
530 void somefunction(void);],
531 [(void *)somefunction])],
532 [rjk_cv_function_pointer_cast=yes],
533 [rjk_cv_function_pointer_cast=no])])
534 if test $rjk_cv_function_pointer_cast = no; then
539 CFLAGS="${old_CFLAGS}"
541 # gcrypt maintainers keep changing everything. Design your interface
542 # first, then implement it once, rather than getting it wrong three or
543 # four times and shipping between each attempt.
544 AC_CACHE_CHECK([for hash handle type in <grypt.h>],
545 [rjk_cv_gcrypt_hash_handle],[
546 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
550 [rjk_cv_gcrypt_hash_handle=gcry_md_hd_t],[
551 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
555 [rjk_cv_gcrypt_hash_handle=GcryMDHd],
556 [rjk_cv_gcrypt_hash_handle=GCRY_MD_HD])])])
557 AC_DEFINE_UNQUOTED([gcrypt_hash_handle],[$rjk_cv_gcrypt_hash_handle],
558 [libgcrypt hash handle type])
560 AC_CACHE_CHECK([for gcry_error_t in <grypt.h>],
561 [rjk_cv_have_gcry_error_t],[
562 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
566 [rjk_cv_have_gcry_error_t=yes],
567 [rjk_cv_have_gcry_error_t=no])])
568 if test $rjk_cv_have_gcry_error_t = yes; then
569 AC_DEFINE([HAVE_GCRY_ERROR_T],1,[define if <gcrypt.h> defines gcry_error_t])
572 # Checks for functions
573 if test $ac_cv_type_long_long = yes; then
574 AC_CHECK_FUNCS([atoll strtoll],[:],[
575 missing_functions="$missing_functions $ac_func"
577 # Darwin sometimes fails to declare strtoll (e.g. if you ask for -std=c99)
578 AC_CACHE_CHECK([whether strtoll is declared in <stdlib.h>],
579 [rjk_cv_strtoll_declared],[
580 AC_EGREP_HEADER([strtoll], [stdlib.h],
581 [rjk_cv_strtoll_declared=yes],
582 [rjk_cv_strtoll_declared=no])])
583 if test $rjk_cv_strtoll_declared = yes; then
584 AC_DEFINE([DECLARES_STRTOLL],[1],[define if <stdlib.h> declares strtoll])
586 AC_CACHE_CHECK([whether atoll is declared in <stdlib.h>],
587 [rjk_cv_atoll_declared],[
588 AC_EGREP_HEADER([atoll], [stdlib.h],
589 [rjk_cv_atoll_declared=yes],
590 [rjk_cv_atoll_declared=no])])
591 if test $rjk_cv_atoll_declared = yes; then
592 AC_DEFINE([DECLARES_ATOLL],[1],[define if <stdlib.h> declares atoll])
595 AC_CHECK_FUNCS([ioctl nl_langinfo strsignal setenv unsetenv],[:],[
596 missing_functions="$missing_functions $ac_func"
598 # fsync will do if fdatasync not available
599 AC_CHECK_FUNCS([fdatasync],[:],[
600 AC_CHECK_FUNCS([fsync],
601 [AC_DEFINE([fdatasync],[fsync],[define fdatasync to fsync if not available])],
602 [missing_functions="$missing_functions fdatasync"])])
603 if test ! -z "$missing_functions"; then
604 AC_MSG_ERROR([missing functions:$missing_functions])
607 # Functions we can take or leave
608 AC_CHECK_FUNCS([fls])
610 if test $want_server = yes; then
611 # <db.h> had better be version 3 or later
612 AC_CACHE_CHECK([db.h version],[rjk_cv_db_version],[
615 #ifndef DB_VERSION_MAJOR
616 # error cannot determine db version
618 #if DB_VERSION_MAJOR < 4
619 # error inadequate db version
621 #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR <= 2
622 # error inadequate db version
625 [rjk_cv_db_version=ok],
626 [rjk_cv_db_version=inadequate])
627 if test $rjk_cv_db_version = ok; then
630 #if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR == 6
631 # error http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510270
634 [rjk_cv_db_version=ok],
635 [rjk_cv_db_version=toxic])
638 case $rjk_cv_db_version in
642 AC_MSG_ERROR([need db version at least 4.3 (but not 4.6)])
645 AC_MSG_ERROR([db version 4.6.x does not work - see debian bug 510270])
650 AM_CONDITIONAL([SERVER], [test x$want_server = xyes])
651 if test $want_gtk = yes; then
652 AC_DEFINE([WITH_GTK], [1], [define if using GTK+])
655 if test "x$GCC" = xyes; then
656 # We need LLONG_MAX and annoyingly GCC doesn't always give it to us
658 AC_CACHE_CHECK([what C version to ask for],[rjk_cv_cstd],[
659 AC_TRY_COMPILE([#include <limits.h>],[
660 long long n = LLONG_MAX;
661 ],[rjk_cv_cstd=default],[
663 CC="${CC} -std=gnu99"
664 AC_TRY_COMPILE([#include <limits.h>],[
665 long long n = LLONG_MAX;
666 ],[rjk_cv_cstd=gnu99],[rjk_cv_cstd=unknown])
674 CC="${CC} -std=${rjk_cv_cstd}"
678 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29478
679 AC_CACHE_CHECK([checking for GCC bug 29478],[rjk_cv_pr29478],[
681 if test $GCC = yes; then
682 CC="$CC -Wall -Werror"
685 static int x(char *f) {
688 int z(const char *g) {
696 if test $rjk_cv_pr29478 = yes; then
700 # a reasonable default set of warnings
701 CC="${CC} -Wall -W -Wpointer-arith -Wbad-function-cast \
702 -Wwrite-strings -Wmissing-prototypes \
703 -Wmissing-declarations -Wnested-externs"
705 # Fix up GTK+ and GLib compiler flags
706 GTK_CFLAGS="`echo \"$GTK_CFLAGS\"|sed 's/-I/-isystem /g'`"
707 GLIB_CFLAGS="`echo \"$GLIB_CFLAGS\"|sed 's/-I/-isystem /g'`"
709 if test "$gcc_werror" != ''; then
710 # GCC 2.95 doesn't know to ignore warnings from system headers
711 AC_CACHE_CHECK([whether -Werror is usable],
713 save_CFLAGS="${CFLAGS}"
714 CFLAGS="${CFLAGS} ${GTK_CFLAGS} -Werror"
715 AC_TRY_COMPILE([#if WITH_GTK
719 struct s { int a, b; };
720 const struct s sv = { .a = 1 };],
724 CFLAGS="${save_CFLAGS}"
726 if test $rjk_cv_werror = no; then
730 CC="${CC} $gcc_werror"
732 # for older GCCs that don't know %ju (etc)
733 AC_CACHE_CHECK([whether -Wno-format is required],
735 AC_TRY_COMPILE([#include <stdio.h>
738 [printf("%ju", (uintmax_t)0);],
739 [rjk_cv_noformat=no],
740 [rjk_cv_noformat=yes]))
741 if test $rjk_cv_noformat = yes; then
742 CC="${CC} -Wno-format"
745 AC_CACHE_CHECK([whether -Wshadow is OK],
751 #include <vorbis/vorbisfile.h>
757 if test $rjk_cv_shadow = yes; then
764 AH_BOTTOM([#ifdef __GNUC__
765 # define attribute(x) __attribute__(x)
767 # define attribute(x)
770 AC_CONFIG_FILES([Makefile
777 disobedience/Makefile
790 if test $GCC = yes && test "$gcc_werror" = ''; then
791 AC_MSG_WARN([building without -Werror])
793 if test $want_python = no; then
794 AC_MSG_WARN([cannot run the test suit without Python])
798 # indent-tabs-mode:nil