configure.in

   1 dnl Process this file with autoconf to produce configure.
   2 AC_INIT(Makefile.in)
   3 . $srcdir/GUILE-VERSION
   4 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
   5 AM_MAINTAINER_MODE
   6 AM_CONFIG_HEADER(libguile/scmconfig.h)
   7
   8 #--------------------------------------------------------------------
   9 #
  10 # User options
  11 #
  12 #--------------------------------------------------------------------
  13
  14 AC_ARG_ENABLE(debug,
  15 [  --disable-debug         Don't include debugging support])
  16 if test "$enableval" != n && test "$enableval" != no; then
  17   AC_DEFINE(DEBUG_EXTENSIONS)
  18   AC_DEFINE(READER_EXTENSIONS)
  19   LIBOBJS="backtrace.o stacks.o debug.o srcprop.o $LIBOBJS"
  20 fi
  21
  22 AC_ARG_ENABLE(dynamic-linking,
  23   [  --enable-dynamic-linking  Include support for dynamic linking],,
  24   enable_dynamic_linking=yes)
  25
  26 AC_ARG_ENABLE(guile-debug,
  27 [  --enable-guile-debug    Include internal debugging functions])
  28 if test "$enableval" = y || test "$enableval" = yes; then
  29   AC_DEFINE(GUILE_DEBUG)
  30 fi
  31
  32 #--------------------------------------------------------------------
  33
  34 AC_PROG_CC
  35 AC_PROG_CPP
  36 AM_PROG_LIBTOOL
  37
  38 AC_AIX
  39 AC_ISC_POSIX
  40 AC_MINIX
  41
  42 AC_C_CONST
  43
  44 AC_HEADER_STDC
  45 AC_HEADER_DIRENT
  46 AC_HEADER_TIME
  47 AC_HEADER_SYS_WAIT
  48 AC_CHECK_HEADERS(libc.h limits.h malloc.h memory.h string.h regex.h rxposix.h rx/rxposix.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/types.h sys/utime.h time.h unistd.h utime.h)
  49 GUILE_HEADER_LIBC_WITH_UNISTD
  50
  51 AC_TYPE_GETGROUPS
  52 AC_TYPE_SIGNAL
  53 AC_TYPE_MODE_T
  54
  55 AC_CHECK_LIB(m, main)
  56 AC_CHECK_FUNC(gethostbyname)
  57 if test $ac_cv_func_gethostbyname = no; then
  58     AC_CHECK_LIB(nsl, gethostbyname)
  59 fi
  60 AC_CHECK_FUNC(connect)
  61 if test $ac_cv_func_connect = no; then
  62     AC_CHECK_LIB(socket, connect)
  63 fi
  64 AC_CHECK_LIB(termcap, tgoto)
  65 AC_CHECK_LIB(readline, readline)
  66
  67 # Checks for dynamic linking
  68
  69 if test "$enable_dynamic_linking" = "yes"; then
  70
  71 AC_CHECK_LIB(dl,dlopen)
  72 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
  73   AC_DEFINE(HAVE_DLOPEN)
  74   AC_DEFINE(DYNAMIC_LINKING)
  75 else
  76 AC_CHECK_LIB(dld,dld_link)
  77 if test "$ac_cv_lib_dld_dld_link" = "yes"; then
  78   AC_DEFINE(DYNAMIC_LINKING)
  79 else
  80 AC_CHECK_FUNCS(shl_load)
  81 if test "$ac_cv_func_shl_load" = "yes"; then
  82   AC_DEFINE(DYNAMIC_LINKING)
  83 else
  84 AC_CHECK_FUNCS(dlopen)
  85 if test "$ac_cv_func_dlopen" = "yes"; then
  86   AC_DEFINE(DYNAMIC_LINKING)
  87 fi
  88 fi
  89 fi
  90 fi
  91
  92 fi
  93
  94 GUILE_DLSYM_USCORE
  95
  96 AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero system)
  97
  98 dnl <GNU-WIN32 hacks>
  99
 100 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
 101 if test -n "$have_sys_un_h" ; then
 102 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
 103 fi
 104
 105 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
 106
 107 dnl I don't know what this prefixing of cygwin32_ is for.
 108 dnl scmconfig.h wasn't updated with the test results.
 109 dnl so use AC_CHECK_FUNCS for now.
 110
 111 dnl how about:
 112 dnl save confdefs.h
 113 dnl if test $ac_cv_cigwin = yes; then
 114 dnl   modify confdefs.h
 115 dnl fi
 116 dnl AC_CHECK_FUNCS...
 117 dnl restore confdefs.h
 118
 119 dnl cp confdefs.h confdefs.h.bak
 120 dnl for func in sethostent endhostent getnetent setnetent endnetent getprotoent endprotoent getservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof ; do
 121 dnl cp confdefs.h.bak confdefs.h
 122 dnl cat >> confdefs.h << EOF
 123 dnl #ifdef __CYGWIN32__
 124 dnl #define $func cygwin32_$func
 125 dnl #endif
 126 dnl EOF
 127 dnl AC_CHECK_FUNC($func)
 128 dnl done
 129 dnl cp confdefs.h.bak confdefs.h
 130
 131 AC_CHECK_FUNCS(sethostent endhostent getnetent setnetent endnetent getprotoent endprotoent getservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof)
 132
 133 dnl </GNU-WIN32 hacks>
 134
 135 AC_CACHE_CHECK([for restartable system calls], scm_cv_restarts,
 136         if test $ac_cv_func_sigaction = yes; then
 137                 [AC_TRY_COMPILE([#include <signal.h>],
 138                                 [int a = SA_RESTART],
 139                                 scm_cv_restarts=yes,
 140                                 scm_cv_restarts=no)]
 141         else
 142                 scm_cv_restarts=no
 143         fi)
 144 if test $scm_cv_restarts = yes; then
 145         AC_DEFINE(HAVE_RESTARTS)
 146 fi
 147
 148 if test "$ac_cv_header_regex_h" = yes ||
 149    test "$ac_cv_header_rxposix_h" = yes ||
 150    test "$ac_cv_header_rx_rxposix_h" = yes; then
 151   GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
 152   [AC_CHECK_LIB(rx, main)
 153    GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
 154   )
 155   dnl The following should not be necessary, but for some reason
 156   dnl autoheader misses it if we don't include it!
 157   if test "$ac_cv_func_regcomp_norx" = yes ||
 158      test "$ac_cv_func_regcomp_rx" = yes; then
 159     AC_DEFINE(HAVE_REGCOMP)
 160   fi
 161 fi
 162
 163 AC_REPLACE_FUNCS(inet_aton putenv strerror)
 164
 165 # When testing for the presence of alloca, we need to add alloca.o
 166 # explicitly to LIBOBJS to make sure that it is translated to
 167 # `alloca.lo' for libtool later on.  This can and should be done more cleanly.
 168 AC_FUNC_ALLOCA
 169 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
 170
 171 AC_STRUCT_ST_RDEV
 172 AC_STRUCT_ST_BLKSIZE
 173
 174 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
 175 # LIBOBJS, which we don't need.  This seems more direct.
 176 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
 177 [AC_TRY_COMPILE([#include <sys/types.h>
 178 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
 179 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
 180 if test $ac_cv_struct_st_blocks = yes; then
 181   AC_DEFINE(HAVE_ST_BLOCKS)
 182 fi
 183
 184 AC_STRUCT_TIMEZONE
 185 GUILE_STRUCT_UTIMBUF
 186
 187 #--------------------------------------------------------------------
 188 #
 189 # Which way does the stack grow?
 190 #
 191 #--------------------------------------------------------------------
 192
 193 AC_TRY_RUN(aux (l) unsigned long l;
 194              { int x; exit (l >= ((unsigned long)&x)); }
 195            main () { int q; aux((unsigned long)&q); },
 196            AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
 197
 198
 199 AC_TRY_RUN(main () { exit (sizeof(float) != sizeof(long)); },
 200            AC_DEFINE(SCM_SINGLES),,AC_DEFINE(SCM_SINGLES)
 201            AC_MSG_WARN(Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in))
 202
 203 AC_MSG_CHECKING(for struct linger)
 204 AC_CACHE_VAL(scm_cv_struct_linger,
 205         AC_TRY_COMPILE([
 206 #include <sys/types.h>
 207 #include <sys/socket.h>],
 208                         [struct linger lgr;  lgr.l_linger = 100],
 209                         scm_cv_struct_linger="yes",
 210                         scm_cv_struct_linger="no"))
 211 AC_MSG_RESULT($scm_cv_struct_linger)
 212 if test $scm_cv_struct_linger = yes; then
 213         AC_DEFINE(HAVE_STRUCT_LINGER)
 214 fi
 215
 216 #--------------------------------------------------------------------
 217 #
 218 # How can you violate a stdio abstraction by setting a stream's fd?
 219 #
 220 #--------------------------------------------------------------------
 221
 222 AC_MSG_CHECKING(how to set a stream file descriptor)
 223 AC_CACHE_VAL(scm_cv_fd_setter,
 224         AC_TRY_COMPILE([#include <stdio.h>],
 225                         [stdout->_file = 1],
 226                         scm_cv_fd_setter="_file",
 227         AC_TRY_COMPILE([#include <stdio.h>],
 228                         [stdout->_fileno = 1],
 229                         scm_cv_fd_setter="_fileno",
 230                         scm_cv_fd_setter="")))
 231
 232 if test "$scm_cv_fd_setter"; then
 233         AC_MSG_RESULT($scm_cv_fd_setter)
 234         AC_DEFINE_UNQUOTED(FD_SETTER, $scm_cv_fd_setter)
 235 else
 236         AC_MSG_RESULT(we couldn't do it!)
 237 fi
 238
 239 #--------------------------------------------------------------------
 240 # How to find out whether a FILE structure contains buffered data.
 241 # From Tk we have the following list:
 242 #               _cnt:           Most UNIX systems
 243 #               __cnt:          HPUX
 244 #               _r:             BSD
 245 #               readCount:      Sprite
 246 #       Or, in GNU libc there are two fields, _gptr and _egptr, which
 247 #       have to be compared.
 248 #       These can also be known as _IO_read_ptr and _IO_read_end.
 249 #--------------------------------------------------------------------
 250
 251 AC_MSG_CHECKING(how to get buffer char count from FILE structure)
 252 AC_CACHE_VAL(scm_cv_struct_file_count,
 253         AC_TRY_COMPILE([#include <stdio.h>],
 254                         [FILE *f = stdin; f->_cnt = 0],
 255                         scm_cv_struct_file_count="_cnt",
 256         AC_TRY_COMPILE([#include <stdio.h>],
 257                         [FILE *f = stdin; f->_r = 0],
 258                         scm_cv_struct_file_count="_r",
 259         AC_TRY_COMPILE([#include <stdio.h>],
 260                         [FILE *f = stdin; f->readCount = 0],
 261                         scm_cv_struct_file_count="readCount",
 262         scm_cv_struct_file_count=""))))
 263 if test "$scm_cv_struct_file_count"; then
 264         AC_MSG_RESULT($scm_cv_struct_file_count)
 265         AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
 266 else
 267 AC_CACHE_VAL(scm_cv_struct_file_gptr,
 268         AC_TRY_COMPILE([#include <stdio.h>],
 269                         [FILE *f = stdin; f->_gptr = f->egptr;],
 270                         scm_cv_struct_file_gptr=1,
 271         scm_cv_struct_file_gptr=""))
 272 if test "$scm_cv_struct_gptr"; then
 273         AC_MSG_RESULT(gptr)
 274         AC_DEFINE_UNQUOTED(FILE_CNT_GPTR, $scm_cv_struct_file_gptr)
 275 else
 276 AC_CACHE_VAL(scm_cv_struct_file_readptr,
 277         AC_TRY_COMPILE([#include <stdio.h>],
 278                         [FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;],
 279                         scm_cv_struct_file_readptr=1))
 280 if test "$scm_cv_struct_file_readptr"; then
 281         AC_MSG_RESULT(read_ptr)
 282         AC_DEFINE_UNQUOTED(FILE_CNT_READPTR, $scm_cv_struct_file_readptr)
 283 else
 284         AC_MSG_RESULT(we couldn't do it!)
 285 fi
 286 fi
 287 fi
 288
 289 #--------------------------------------------------------------------
 290 #
 291 # Flags for thread support
 292 #
 293 #--------------------------------------------------------------------
 294
 295 CY_AC_WITH_THREADS
 296 CFLAGS="$CFLAGS $cy_cv_threads_cflags"
 297 THREAD_LIBS="$cy_cv_threads_libs"
 298 AC_SUBST(THREAD_LIBS)
 299
 300 dnl
 301 dnl Set the appropriate flags!
 302 dnl
 303 if test "$cy_cv_threads_package" = FSU; then
 304   AC_DEFINE(USE_FSU_PTHREADS, 1)
 305   else if test "$cy_cv_threads_package" = COOP; then
 306     AC_DEFINE(USE_COOP_THREADS, 1)
 307     else if test "$cy_cv_threads_package" = MIT; then
 308       AC_DEFINE(USE_MIT_PTHREADS, 1)
 309       else if test "$cy_cv_threads_package" = PCthreads; then
 310         AC_DEFINE(USE_PCTHREADS_PTHREADS, 1)
 311         else if test "$cy_cv_threads_package" = unknown; then
 312           AC_MSG_ERROR("cannot find threads installation")
 313         fi
 314       fi
 315     fi
 316   fi
 317 fi
 318
 319 if test "$cy_cv_threads_package" != ""; then
 320   AC_DEFINE(USE_THREADS)
 321   LIBOBJS="$LIBOBJS threads.o"
 322 fi
 323
 324 #--------------------------------------------------------------------
 325 #
 326 # scm_internal_select
 327 #
 328 #--------------------------------------------------------------------
 329
 330 if test "$cy_cv_threads_package" != "" &&
 331    test $ac_cv_func_gettimeofday = yes &&
 332    test $ac_cv_func_select = yes; then
 333   AC_DEFINE(GUILE_ISELECT, 1)
 334   LIBOBJS="$LIBOBJS iselect.o"
 335 fi
 336
 337 ## If we're using GCC, ask for aggressive warnings.
 338 case "$GCC" in
 339   yes ) CFLAGS="$CFLAGS -Wall -Wpointer-arith" ;;
 340 esac
 341
 342 AC_PROG_AWK
 343
 344 ## If we're creating a shared library (using libtool!), then we'll
 345 ## need to generate a list of .lo files corresponding to the .o files
 346 ## given in LIBOBJS.  We'll call it LIBLOBJS.
 347 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
 348
 349 AC_SUBST(GUILE_MAJOR_VERSION)
 350 AC_SUBST(GUILE_MINOR_VERSION)
 351 AC_SUBST(GUILE_VERSION)
 352 GUILE_LIBS="$LDFLAGS $THREAD_LIBS $LIBS"
 353 AC_SUBST(GUILE_LIBS)
 354
 355 dnl timestamping the interpreter and scheme libraries:
 356 dnl
 357 dnl Help us notice when we're running one version of the Guile
 358 dnl interpreter against a different version of the ice-9 Scheme code.
 359 dnl This will definitely detect version skew due to differing
 360 dnl snapshots and releases, but may not catch skew for the developers.
 361 dnl Hopefully it will not detect skew when there is none; if that
 362 dnl happens, the warnings will be useless, and we should remove this.
 363 GUILE_STAMP="`date`"
 364 AC_SUBST(GUILE_STAMP)
 365
 366 AC_SUBST(AWK)
 367 AC_SUBST(LIBLOBJS)
 368
 369
 370 dnl ======================================================================
 371 dnl configuration for the Qt package
 372 dnl ======================================================================
 373
 374 threads_enabled=false
 375 if test "$cy_cv_threads_package" = COOP; then
 376         threads_enabled=true
 377 fi
 378
 379 # Determine the host we are working on
 380 AC_CANONICAL_HOST
 381
 382 # How can we refer to the qt source directory from within the qt build
 383 # directory?  For headers, we can rely on the fact that the qt src
 384 # directory appears in the #include path.
 385
 386 qtsrcdir="`(cd $srcdir; pwd)`/qt"
 387
 388 changequote(,)dnl We use [ and ] in a regexp in the case
 389 case "$host" in
 390 i[3456]86-*-*)
 391         qtmds_s=$qtsrcdir/md/i386.s
 392         qtmd_h=md/i386.h
 393         qtmdc_c=$qtsrcdir/md/null.c
 394         ;;
 395 mips-sgi-irix[56]*)
 396         qtmds_s=$qtsrcdir/md/mips-irix5.s
 397         qtmd_h=md/mips.h
 398         qtmdc_c=$qtsrcdir/md/null.c
 399         qtdmdb_s=$qtsrcdir/md/mips_b.s
 400         ;;
 401 mips-*-*)
 402         qtmds_s=$qtsrcdir/md/mips.s
 403         qtmd_h=md/mips.h
 404         qtmdc_c=$qtsrcdir/md/null.c
 405         qtdmdb_s=$qtsrcdir/md/mips_b.s
 406         ;;
 407 sparc-*-sunos*)
 408         qtmd_h=md/sparc.h
 409         qtmdc_c=$qtsrcdir/md/null.c
 410         qtmds_s=$qtsrcdir/md/_sparc.s
 411         qtdmdb_s=$qtsrcdir/md/_sparc_b.s
 412         ;;
 413 sparc-*-*)
 414         qtmd_h=md/sparc.h
 415         qtmdc_c=$qtsrcdir/md/null.c
 416         qtmds_s=$qtsrcdir/md/sparc.s
 417         qtdmdb_s=$qtsrcdir/md/sparc_b.s
 418         ;;
 419 alpha-*-*)
 420         qtmd_h=md/axp.h
 421         qtmdc_c=$qtsrcdir/md/null.c
 422         qtmds_s=$qtsrcdir/md/axp.s
 423         qtdmdb_s=$qtsrcdir/md/axp_b.s
 424         ;;
 425 *)
 426         echo "Unknown configuration; threads package disabled"
 427         threads_enabled=false
 428         ;;
 429 esac
 430 changequote([, ])
 431
 432
 433 if $threads_enabled; then
 434    target_libs=libqthreads.a
 435 else
 436    target_libs=
 437 fi
 438
 439 # Give the Makefile the names of the object files that will be
 440 # generated by compiling $qtmdc_c and $qtmds_s.
 441 qtmdc_o="`echo ${qtmdc_c} | sed -e 's:^.*/::' | sed -e 's:\.c$:\.o:'`"
 442 qtmds_o="`echo ${qtmds_s} | sed -e 's:^.*/::' | sed -e 's:\.s$:\.o:'`"
 443
 444 AC_SUBST(target_libs)
 445 AC_SUBST(qtmd_h)
 446 AC_SUBST(qtmdc_c)
 447 AC_SUBST(qtmdc_o)
 448 AC_SUBST(qtmds_s)
 449 AC_SUBST(qtmds_o)
 450 AC_SUBST(qtmdb_s)
 451
 452 AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf ice-9/Makefile ice-9/version.scm qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile build/Makefile], [chmod +x libguile/guile-snarf])
 453
 454 dnl Local Variables:
 455 dnl comment-start: "dnl "
 456 dnl comment-end: ""
 457 dnl comment-start-skip: "\\bdnl\\b\\s *"
 458 dnl End: