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 $LIBOBJS"
  20 fi
  21
  22 AC_ARG_ENABLE(dynamic-linking,
  23   [  --enable-dynamic-linking  Include support for dynamic linking])
  24
  25 AC_ARG_ENABLE(guile-debug,
  26 [  --enable-guile-debug    Include internal debugging functions])
  27 if test "$enableval" = y || test "$enableval" = yes; then
  28   AC_DEFINE(GUILE_DEBUG)
  29 fi
  30
  31 #--------------------------------------------------------------------
  32
  33 AC_PROG_CC
  34 AC_PROG_CPP
  35 AM_PROG_LIBTOOL
  36
  37 AC_AIX
  38 AC_ISC_POSIX
  39 AC_MINIX
  40
  41 AC_C_CONST
  42
  43 AC_HEADER_STDC
  44 AC_HEADER_DIRENT
  45 AC_HEADER_TIME
  46 AC_HEADER_SYS_WAIT
  47 AC_CHECK_HEADERS(libc.h limits.h malloc.h memory.h string.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)
  48 GUILE_HEADER_LIBC_WITH_UNISTD
  49
  50 AC_TYPE_GETGROUPS
  51 AC_TYPE_SIGNAL
  52 AC_TYPE_MODE_T
  53
  54 AC_CHECK_LIB(rx, main)
  55
  56 # Checks for dynamic linking
  57
  58 AC_CHECK_LIB(m, main)
  59 AC_CHECK_FUNC(gethostbyname)
  60 if test $ac_cv_func_gethostbyname = no; then
  61     AC_CHECK_LIB(nsl, gethostbyname)
  62 fi
  63 AC_CHECK_FUNC(connect)
  64 if test $ac_cv_func_connect = no; then
  65     AC_CHECK_LIB(socket, connect)
  66 fi
  67
  68 if test "$enable_dynamic_linking" = "yes"; then
  69
  70 AC_CHECK_LIB(dl,dlopen)
  71 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
  72   AC_DEFINE(DYNAMIC_LINKING)
  73 else
  74 AC_CHECK_LIB(dld,dld_link)
  75 if test "$ac_cv_lib_dld_dld_link" = "yes"; then
  76   AC_DEFINE(DYNAMIC_LINKING)
  77 else
  78 AC_CHECK_FUNCS(shl_load)
  79 if test "$ac_cv_func_shl_load" = "yes"; then
  80   AC_DEFINE(DYNAMIC_LINKING)
  81 fi
  82 fi
  83 fi
  84
  85 fi
  86
  87
  88 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)
  89
  90 AC_CACHE_CHECK([for restartable system calls], scm_cv_restarts,
  91         if test $ac_cv_func_sigaction = yes; then
  92                 [AC_TRY_COMPILE([#include <signal.h>],
  93                                 [int a = SA_RESTART],
  94                                 scm_cv_restarts=yes,
  95                                 scm_cv_restarts=no)]
  96         else
  97                 scm_cv_restarts=no
  98         fi)
  99 if test $scm_cv_restarts = yes; then
 100         AC_DEFINE(HAVE_RESTARTS)
 101 fi
 102
 103 AC_CHECK_FUNCS(regcomp, [LIBOBJS="regex-posix.o $LIBOBJS"])
 104
 105 AC_REPLACE_FUNCS(inet_aton putenv strerror)
 106
 107 AC_FUNC_ALLOCA
 108
 109 AC_STRUCT_ST_RDEV
 110 AC_STRUCT_ST_BLKSIZE
 111
 112 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
 113 # LIBOBJS, which we don't need.  This seems more direct.
 114 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
 115 [AC_TRY_COMPILE([#include <sys/types.h>
 116 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
 117 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
 118 if test $ac_cv_struct_st_blocks = yes; then
 119   AC_DEFINE(HAVE_ST_BLOCKS)
 120 fi
 121
 122 AC_STRUCT_TIMEZONE
 123 GUILE_STRUCT_UTIMBUF
 124
 125 #--------------------------------------------------------------------
 126 #
 127 # Which way does the stack grow?
 128 #
 129 #--------------------------------------------------------------------
 130
 131 AC_TRY_RUN(aux (l) unsigned long l;
 132              { int x; exit (l >= ((unsigned long)&x)); }
 133            main () { int q; aux((unsigned long)&q); },
 134            AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
 135
 136
 137 AC_TRY_RUN(main () { exit (sizeof(float) != sizeof(long)); },
 138            AC_DEFINE(SCM_SINGLES),,AC_DEFINE(SCM_SINGLES)
 139            AC_MSG_WARN(Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in))
 140
 141 AC_MSG_CHECKING(for struct linger)
 142 AC_CACHE_VAL(scm_cv_struct_linger,
 143         AC_TRY_COMPILE([
 144 #include <sys/types.h>
 145 #include <sys/socket.h>],
 146                         [struct linger lgr;  lgr.l_linger = 100],
 147                         scm_cv_struct_linger="yes",
 148                         scm_cv_struct_linger="no"))
 149 AC_MSG_RESULT($scm_cv_struct_linger)
 150 if test $scm_cv_struct_linger = yes; then
 151         AC_DEFINE(HAVE_STRUCT_LINGER)
 152 fi
 153
 154 #--------------------------------------------------------------------
 155 #
 156 # How can you violate a stdio abstraction by setting a stream's fd?
 157 #
 158 #--------------------------------------------------------------------
 159
 160 AC_MSG_CHECKING(how to set a stream file descriptor)
 161 AC_CACHE_VAL(scm_cv_fd_setter,
 162         AC_TRY_COMPILE([#include <stdio.h>],
 163                         [stdout->_file = 1],
 164                         scm_cv_fd_setter="_file",
 165         AC_TRY_COMPILE([#include <stdio.h>],
 166                         [stdout->_fileno = 1],
 167                         scm_cv_fd_setter="_fileno",
 168                         scm_cv_fd_setter="")))
 169
 170 if test "$scm_cv_fd_setter"; then
 171         AC_MSG_RESULT($scm_cv_fd_setter)
 172         AC_DEFINE_UNQUOTED(FD_SETTER, $scm_cv_fd_setter)
 173 else
 174         AC_MSG_RESULT(we couldn't do it!)
 175 fi
 176
 177 #--------------------------------------------------------------------
 178 # How to find out whether a FILE structure contains buffered data.
 179 # From Tk we have the following list:
 180 #               _cnt:           Most UNIX systems
 181 #               __cnt:          HPUX
 182 #               _r:             BSD
 183 #               readCount:      Sprite
 184 #       Or, in GNU libc there are two fields, _gptr and _egptr, which
 185 #       have to be compared.
 186 #       These can also be known as _IO_read_ptr and _IO_read_end.
 187 #--------------------------------------------------------------------
 188
 189 AC_MSG_CHECKING(how to get buffer char count from FILE structure)
 190 AC_CACHE_VAL(scm_cv_struct_file_count,
 191         AC_TRY_COMPILE([#include <stdio.h>],
 192                         [FILE *f = stdin; f->_cnt = 0],
 193                         scm_cv_struct_file_count="_cnt",
 194         AC_TRY_COMPILE([#include <stdio.h>],
 195                         [FILE *f = stdin; f->_r = 0],
 196                         scm_cv_struct_file_count="_r",
 197         AC_TRY_COMPILE([#include <stdio.h>],
 198                         [FILE *f = stdin; f->readCount = 0],
 199                         scm_cv_struct_file_count="readCount",
 200         scm_cv_struct_file_count=""))))
 201 if test "$scm_cv_struct_file_count"; then
 202         AC_MSG_RESULT($scm_cv_struct_file_count)
 203         AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
 204 else
 205 AC_CACHE_VAL(scm_cv_struct_file_gptr,
 206         AC_TRY_COMPILE([#include <stdio.h>],
 207                         [FILE *f = stdin; f->_gptr = f->egptr;],
 208                         scm_cv_struct_file_gptr=1,
 209         scm_cv_struct_file_gptr=""))
 210 if test "$scm_cv_struct_gptr"; then
 211         AC_MSG_RESULT(gptr)
 212         AC_DEFINE_UNQUOTED(FILE_CNT_GPTR, $scm_cv_struct_file_gptr)
 213 else
 214 AC_CACHE_VAL(scm_cv_struct_file_readptr,
 215         AC_TRY_COMPILE([#include <stdio.h>],
 216                         [FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;],
 217                         scm_cv_struct_file_readptr=1))
 218 if test "$scm_cv_struct_file_readptr"; then
 219         AC_MSG_RESULT(read_ptr)
 220         AC_DEFINE_UNQUOTED(FILE_CNT_READPTR, $scm_cv_struct_file_readptr)
 221 else
 222         AC_MSG_RESULT(we couldn't do it!)
 223 fi
 224 fi
 225 fi
 226
 227 #--------------------------------------------------------------------
 228 #
 229 # Flags for thread support
 230 #
 231 #--------------------------------------------------------------------
 232
 233 CY_AC_WITH_THREADS
 234 CFLAGS="$CFLAGS $cy_cv_threads_cflags"
 235 THREAD_LIBS="$cy_cv_threads_libs"
 236 AC_SUBST(THREAD_LIBS)
 237
 238 dnl
 239 dnl Set the appropriate flags!
 240 dnl
 241 if test "$cy_cv_threads_package" = FSU; then
 242   AC_DEFINE(USE_FSU_PTHREADS, 1)
 243   else if test "$cy_cv_threads_package" = COOP; then
 244     AC_DEFINE(USE_COOP_THREADS, 1)
 245     else if test "$cy_cv_threads_package" = MIT; then
 246       AC_DEFINE(USE_MIT_PTHREADS, 1)
 247       else if test "$cy_cv_threads_package" = PCthreads; then
 248         AC_DEFINE(USE_PCTHREADS_PTHREADS, 1)
 249         else if test "$cy_cv_threads_package" = unknown; then
 250           AC_MSG_ERROR("cannot find threads installation")
 251         fi
 252       fi
 253     fi
 254   fi
 255 fi
 256
 257 if test "$cy_cv_threads_package" != ""; then
 258   AC_DEFINE(USE_THREADS)
 259   LIBOBJS="$LIBOBJS threads.o"
 260 fi
 261
 262 ## If we're using GCC, ask for aggressive warnings.
 263 case "$GCC" in
 264   yes ) CFLAGS="$CFLAGS -Wall -Wpointer-arith" ;;
 265 esac
 266
 267 AC_PROG_AWK
 268
 269 ## If we're creating a shared library (using libtool!), then we'll
 270 ## need to generate a list of .lo files corresponding to the .o files
 271 ## given in LIBOBJS.  We'll call it LIBLOBJS.
 272 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
 273
 274 AC_DEFINE_UNQUOTED(GUILE_MAJOR_VERSION, "$GUILE_MAJOR_VERSION")
 275 AC_DEFINE_UNQUOTED(GUILE_MINOR_VERSION, "$GUILE_MINOR_VERSION")
 276 AC_DEFINE_UNQUOTED(GUILE_VERSION, "$GUILE_VERSION")
 277
 278 AC_SUBST(AWK)
 279 AC_SUBST(LIBLOBJS)
 280
 281
 282 dnl ======================================================================
 283 dnl configuration for the Qt package
 284 dnl ======================================================================
 285
 286 threads_enabled=false
 287 if test "$cy_cv_threads_package" = COOP; then
 288         threads_enabled=true
 289 fi
 290
 291 # Determine the host we are working on
 292 AC_CANONICAL_HOST
 293
 294 # How can we refer to the qt source directory from within the qt build
 295 # directory?  For headers, we can rely on the fact that the qt src
 296 # directory appears in the #include path.
 297
 298 qtsrcdir="`(cd $srcdir; pwd)`/qt"
 299
 300 changequote(,)dnl We use [ and ] in a regexp in the case
 301 case "$host" in
 302 i[3456]86-*-*)
 303         qtmds_s=$qtsrcdir/md/i386.s
 304         qtmd_h=md/i386.h
 305         qtmdc_c=$qtsrcdir/md/null.c
 306         ;;
 307 mips-sgi-irix5*)
 308         qtmds_s=$qtsrcdir/md/mips-irix5.s
 309         qtmd_h=md/mips.h
 310         qtmdc_c=$qtsrcdir/md/null.c
 311         qtdmdb_s=$qtsrcdir/md/mips_b.s
 312         ;;
 313 mips-*-*)
 314         qtmds_s=$qtsrcdir/md/mips.s
 315         qtmd_h=md/mips.h
 316         qtmdc_c=$qtsrcdir/md/null.c
 317         qtdmdb_s=$qtsrcdir/md/mips_b.s
 318         ;;
 319 sparc-*-sunos*)
 320         qtmd_h=md/sparc.h
 321         qtmdc_c=$qtsrcdir/md/null.c
 322         qtmds_s=$qtsrcdir/md/_sparc.s
 323         qtdmdb_s=$qtsrcdir/md/_sparc_b.s
 324         ;;
 325 sparc-*-*)
 326         qtmd_h=md/sparc.h
 327         qtmdc_c=$qtsrcdir/md/null.c
 328         qtmds_s=$qtsrcdir/md/sparc.s
 329         qtdmdb_s=$qtsrcdir/md/sparc_b.s
 330         ;;
 331 *)
 332         echo "Unknown configuration; threads package disabled"
 333         threads_enabled=false
 334         ;;
 335 esac
 336 changequote([, ])
 337
 338
 339 if $threads_enabled; then
 340    target_libs=libqt.a
 341 else
 342    target_libs=
 343 fi
 344
 345 # Give the Makefile the names of the object files that will be
 346 # generated by compiling $qtmdc_c and $qtmds_s.
 347 qtmdc_o="`echo ${qtmdc_c} | sed -e 's:^.*/::' | sed -e 's:\.c$:\.o:'`"
 348 qtmds_o="`echo ${qtmds_s} | sed -e 's:^.*/::' | sed -e 's:\.s$:\.o:'`"
 349
 350 AC_SUBST(target_libs)
 351 AC_SUBST(qtmd_h)
 352 AC_SUBST(qtmdc_c)
 353 AC_SUBST(qtmdc_o)
 354 AC_SUBST(qtmds_s)
 355 AC_SUBST(qtmds_o)
 356 AC_SUBST(qtmdb_s)
 357
 358 AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf ice-9/Makefile qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile], [chmod +x libguile/guile-snarf])
 359
 360 dnl Local Variables:
 361 dnl comment-start: "dnl "
 362 dnl comment-end: ""
 363 dnl comment-start-skip: "\\bdnl\\b\\s *"
 364 dnl End: