libguile/configure.in

   1 AC_INIT(eval.c)
   2 AM_CONFIG_HEADER(scmconfig.h)
   3 AM_INIT_GUILE_MODULE(libguile)
   4
   5 #--------------------------------------------------------------------
   6 #
   7 # User options
   8 #
   9 #--------------------------------------------------------------------
  10
  11 AC_ARG_ENABLE(debug,
  12 [  --disable-debug         Don't include debugging support])
  13 if test "$enableval" != n && test "$enableval" != no; then
  14   AC_DEFINE(DEBUG_EXTENSIONS)
  15   AC_DEFINE(READER_EXTENSIONS)
  16   LIBOBJS="backtrace.o stacks.o debug.o srcprop.o $LIBOBJS"
  17 fi
  18
  19 AC_ARG_ENABLE(dynamic-linking,
  20   [  --enable-dynamic-linking  Include support for dynamic linking])
  21
  22 #--------------------------------------------------------------------
  23
  24 AC_PROG_CC
  25 AC_PROG_CPP
  26 AM_PROG_LIBTOOL
  27
  28 AC_AIX
  29 AC_ISC_POSIX
  30 AC_MINIX
  31
  32 CY_AC_WITH_THREADS
  33
  34 AC_C_CONST
  35
  36 AC_HEADER_STDC
  37 AC_HEADER_DIRENT
  38 AC_HEADER_TIME
  39 AC_HEADER_SYS_WAIT
  40 AC_CHECK_HEADERS(libc.h limits.h malloc.h memory.h string.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/types.h sys/utime.h time.h unistd.h utime.h)
  41 GUILE_HEADER_LIBC_WITH_UNISTD
  42
  43 AC_TYPE_GETGROUPS
  44 AC_TYPE_SIGNAL
  45 AC_TYPE_MODE_T
  46
  47 AC_CHECK_FUNCS(ctermid ftime getcwd geteuid lstat mkdir mknod nice putenv readlink rename rmdir select setegid seteuid setlocale setpgid setsid strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid)
  48
  49 AC_REPLACE_FUNCS(inet_aton strerror)
  50
  51 AC_STRUCT_ST_RDEV
  52 AC_STRUCT_ST_BLKSIZE
  53 AC_STRUCT_ST_BLOCKS
  54 GUILE_STRUCT_UTIMBUF
  55
  56 # Checks for dynamic linking
  57
  58 xtra_PLUGIN_guile_libs=""
  59 AC_SUBST(xtra_PLUGIN_guile_libs)
  60
  61 if test "$enable_dynamic_linking" = "yes"; then
  62
  63 AC_CHECK_LIB(dl,dlopen)
  64 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
  65   xtra_PLUGIN_guile_libs="-lguile -ldl"
  66   AC_DEFINE(DYNAMIC_LINKING)
  67 else
  68 AC_CHECK_LIB(dld,dld_link)
  69 if test "$ac_cv_lib_dld_dld_link" = "yes"; then
  70   xtra_PLUGIN_guile_libs="-lguile -ldld"
  71   AC_DEFINE(DYNAMIC_LINKING)
  72 else
  73 AC_CHECK_FUNCS(shl_load)
  74 if test "$ac_cv_func_shl_load" = "yes"; then
  75   AC_DEFINE(DYNAMIC_LINKING)
  76 fi fi fi
  77
  78 fi
  79
  80 #--------------------------------------------------------------------
  81 #
  82 # Which way does the stack grow?
  83 #
  84 #--------------------------------------------------------------------
  85
  86 AC_TRY_RUN(aux (l) unsigned long l;
  87              { int x; exit (l >= ((unsigned long)&x)); }
  88            main () { int q; aux((unsigned long)&q); },
  89            AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
  90
  91
  92 AC_TRY_RUN(main () { exit (sizeof(float) != sizeof(long)); },
  93            AC_DEFINE(SCM_SINGLES),,AC_DEFINE(SCM_SINGLES)
  94            AC_MSG_WARN(Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in))
  95
  96 AC_MSG_CHECKING(for struct linger)
  97 AC_CACHE_VAL(scm_cv_struct_linger,
  98         AC_TRY_COMPILE([
  99 #include <sys/types.h>
 100 #include <sys/socket.h>],
 101                         [struct linger lgr;  lgr.l_linger = 100],
 102                         scm_cv_struct_linger="yes",
 103                         scm_cv_struct_linger="no"))
 104 AC_MSG_RESULT($scm_cv_struct_linger)
 105 if test $scm_cv_struct_linger = yes; then
 106         AC_DEFINE(HAVE_STRUCT_LINGER)
 107 fi
 108
 109 #--------------------------------------------------------------------
 110 #
 111 # How can you violate a stdio abstraction by setting a stream's fd?
 112 #
 113 #--------------------------------------------------------------------
 114
 115 FD_SETTER=""
 116
 117 if test "x$FD_SETTER" = x; then
 118   AC_TRY_COMPILE(#include <stdio.h>
 119 ,               stdout->_file = 1,
 120                 FD_SETTER="((F)->_file = (D))")
 121 fi
 122
 123 if test "x$FD_SETTER" = x; then
 124  AC_TRY_COMPILE(#include <stdio.h>
 125 ,               stdout->_fileno,
 126                 FD_SETTER="((F)->_fileno = (D))")
 127 fi
 128
 129 dnl
 130 dnl  Add FD_SETTER tests for other systems here.  Your test should
 131 dnl  try a particular style of assigning to the descriptor
 132 dnl  field(s) of a FILE* and define FD_SETTER accordingly.
 133 dnl
 134 dnl  The value of FD_SETTER is used as a macro body, as in:
 135 dnl
 136 dnl  #define SET_FILE_FD_FIELD(F,D)   @FD_SETTER@
 137 dnl
 138 dnl  F is a FILE* and D a descriptor (int).
 139 dnl
 140
 141 test "x$FD_SETTER" != x && AC_DEFINE(HAVE_FD_SETTER)
 142
 143 #--------------------------------------------------------------------
 144 # How to find out whether a FILE structure contains buffered data.
 145 # From Tk we have the following list:
 146 #               _cnt:           Most UNIX systems
 147 #               __cnt:          HPUX
 148 #               _r:             BSD
 149 #               readCount:      Sprite
 150 #       Or, in GNU libc there are two fields, _gptr and _egptr, which
 151 #       have to be compared.
 152 #       These can also be known as _IO_read_ptr and _IO_read_end.
 153 #--------------------------------------------------------------------
 154
 155 AC_MSG_CHECKING(how to get buffer char count from FILE structure)
 156 AC_CACHE_VAL(scm_cv_struct_file_count,
 157         AC_TRY_COMPILE([#include <stdio.h>],
 158                         [FILE *f = stdin; f->_cnt = 0],
 159                         scm_cv_struct_file_count="_cnt",
 160         AC_TRY_COMPILE([#include <stdio.h>],
 161                         [FILE *f = stdin; f->_r = 0],
 162                         scm_cv_struct_file_count="_r",
 163         AC_TRY_COMPILE([#include <stdio.h>],
 164                         [FILE *f = stdin; f->readCount = 0],
 165                         scm_cv_struct_file_count="readCount",
 166         scm_cv_struct_file_count=""))))
 167 if test "$scm_cv_struct_file_count"; then
 168         AC_MSG_RESULT($scm_cv_struct_file_count)
 169         AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
 170 else
 171 AC_CACHE_VAL(scm_cv_struct_file_gptr,
 172         AC_TRY_COMPILE([#include <stdio.h>],
 173                         [FILE *f = stdin; f->_gptr = f->egptr;],
 174                         scm_cv_struct_file_gptr=1,
 175         scm_cv_struct_file_gptr=""))
 176 if test "$scm_cv_struct_gptr"; then
 177         AC_MSG_RESULT(gptr)
 178         AC_DEFINE_UNQUOTED(FILE_CNT_GPTR, $scm_cv_struct_file_gptr)
 179 else
 180 AC_CACHE_VAL(scm_cv_struct_file_readptr,
 181         AC_TRY_COMPILE([#include <stdio.h>],
 182                         [FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;],
 183                         scm_cv_struct_file_readptr=1))
 184 if test "$scm_cv_struct_file_readptr"; then
 185         AC_MSG_RESULT(read_ptr)
 186         AC_DEFINE_UNQUOTED(FILE_CNT_READPTR, $scm_cv_struct_file_readptr)
 187 fi
 188 fi
 189 fi
 190
 191 #--------------------------------------------------------------------
 192 #
 193 # Flags for thread support
 194 #
 195 #--------------------------------------------------------------------
 196
 197 dnl
 198 dnl Set the appropriate flags!
 199 dnl
 200 if test "$cy_cv_threads_package" = FSU; then
 201   AC_DEFINE(USE_FSU_PTHREADS, 1)
 202   else if test "$cy_cv_threads_package" = COOP; then
 203     AC_DEFINE(USE_COOP_THREADS, 1)
 204     else if test "$cy_cv_threads_package" = MIT; then
 205       AC_DEFINE(USE_MIT_PTHREADS, 1)
 206       else if test "$cy_cv_threads_package" = PCthreads; then
 207         AC_DEFINE(USE_PCTHREADS_PTHREADS, 1)
 208         else if test "$cy_cv_threads_package" = unknown; then
 209           AC_MSG_ERROR("cannot find threads installation")
 210         fi
 211       fi
 212     fi
 213   fi
 214 fi
 215
 216 if test "$cy_cv_threads_package" != ""; then
 217   AC_DEFINE(USE_THREADS)
 218 fi
 219
 220 ## If we're using GCC, ask for aggressive warnings.
 221 case "$GCC" in
 222   yes ) CFLAGS="$CFLAGS -Wall -Wpointer-arith" ;;
 223 esac
 224
 225 AC_PROG_AWK
 226 AC_MSG_CHECKING(whether errno codes can be extracted from errno.h)
 227 goterrnos=0
 228 if test "$GCC" = yes ; then
 229   ${CC-cc} -undef -dM -E $srcdir/errnos_get.c | egrep ' E.+' | cut -f2 -d' ' > errnos.list
 230   egrep '^E.+' errnos.list > /dev/null 2>&1 && goterrnos=1
 231 fi
 232 if test $goterrnos = 1 ; then
 233   AC_MSG_RESULT(yes)
 234 else
 235   cp $srcdir/errnos.default errnos.list
 236   AC_MSG_RESULT([no, using default])
 237 fi
 238
 239 AC_DEFINE_UNQUOTED(GUILE_MAJOR_VERSION, "$GUILE_MAJOR_VERSION")
 240 AC_DEFINE_UNQUOTED(GUILE_MINOR_VERSION, "$GUILE_MINOR_VERSION")
 241 AC_DEFINE_UNQUOTED(GUILE_VERSION, "$GUILE_VERSION")
 242
 243 AC_SUBST(FD_SETTER)
 244 AC_OUTPUT([Makefile fd.h guile-snarf PLUGIN/guile.libs], [chmod +x guile-snarf])
 245
 246 dnl Local Variables:
 247 dnl comment-start: "dnl "
 248 dnl comment-end: ""
 249 dnl comment-start-skip: "\\bdnl\\b\\s *"
 250 dnl End: