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AC_INIT(eval.c)
AM_CONFIG_HEADER(scmconfig.h)
AM_INIT_GUILE_MODULE(libguile)
AM_MAINTAINER_MODE
#--------------------------------------------------------------------
#
# User options
#
#--------------------------------------------------------------------
AC_ARG_ENABLE(debug,
[ --disable-debug Don't include debugging support])
if test "$enableval" != n && test "$enableval" != no; then
AC_DEFINE(DEBUG_EXTENSIONS)
AC_DEFINE(READER_EXTENSIONS)
LIBOBJS="backtrace.o stacks.o debug.o srcprop.o $LIBOBJS"
fi
AC_ARG_ENABLE(dynamic-linking,
[ --enable-dynamic-linking Include support for dynamic linking])
AC_ARG_ENABLE(guile-debug,
[ --enable-guile-debug Include internal debugging functions])
if test "$enableval" = y || test "$enableval" = yes; then
AC_DEFINE(GUILE_DEBUG)
fi
#--------------------------------------------------------------------
AC_PROG_CC
AC_PROG_CPP
AM_PROG_LIBTOOL
AC_AIX
AC_ISC_POSIX
AC_MINIX
CY_AC_WITH_THREADS
AC_C_CONST
AC_HEADER_STDC
AC_HEADER_DIRENT
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(libc.h limits.h malloc.h memory.h string.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/types.h sys/utime.h time.h unistd.h utime.h)
GUILE_HEADER_LIBC_WITH_UNISTD
AC_TYPE_GETGROUPS
AC_TYPE_SIGNAL
AC_TYPE_MODE_T
AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid)
AC_REPLACE_FUNCS(inet_aton putenv strerror)
AC_FUNC_ALLOCA
AC_STRUCT_ST_RDEV
AC_STRUCT_ST_BLKSIZE
AC_STRUCT_ST_BLOCKS
AC_STRUCT_TIMEZONE
GUILE_STRUCT_UTIMBUF
# Checks for dynamic linking
xtra_PLUGIN_guile_libs=""
AC_SUBST(xtra_PLUGIN_guile_libs)
if test "$enable_dynamic_linking" = "yes"; then
AC_CHECK_LIB(dl,dlopen)
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
xtra_PLUGIN_guile_libs="-lguile -ldl"
AC_DEFINE(DYNAMIC_LINKING)
else
AC_CHECK_LIB(dld,dld_link)
if test "$ac_cv_lib_dld_dld_link" = "yes"; then
xtra_PLUGIN_guile_libs="-lguile -ldld"
AC_DEFINE(DYNAMIC_LINKING)
else
AC_CHECK_FUNCS(shl_load)
if test "$ac_cv_func_shl_load" = "yes"; then
AC_DEFINE(DYNAMIC_LINKING)
fi
fi
fi
fi
#--------------------------------------------------------------------
#
# Which way does the stack grow?
#
#--------------------------------------------------------------------
AC_TRY_RUN(aux (l) unsigned long l;
{ int x; exit (l >= ((unsigned long)&x)); }
main () { int q; aux((unsigned long)&q); },
AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
AC_TRY_RUN(main () { exit (sizeof(float) != sizeof(long)); },
AC_DEFINE(SCM_SINGLES),,AC_DEFINE(SCM_SINGLES)
AC_MSG_WARN(Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in))
AC_MSG_CHECKING(for struct linger)
AC_CACHE_VAL(scm_cv_struct_linger,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>],
[struct linger lgr; lgr.l_linger = 100],
scm_cv_struct_linger="yes",
scm_cv_struct_linger="no"))
AC_MSG_RESULT($scm_cv_struct_linger)
if test $scm_cv_struct_linger = yes; then
AC_DEFINE(HAVE_STRUCT_LINGER)
fi
#--------------------------------------------------------------------
#
# How can you violate a stdio abstraction by setting a stream's fd?
#
#--------------------------------------------------------------------
AC_MSG_CHECKING(how to set a stream file descriptor)
AC_CACHE_VAL(scm_cv_fd_setter,
AC_TRY_COMPILE([#include <stdio.h>],
[stdout->_file = 1],
scm_cv_fd_setter="_file",
AC_TRY_COMPILE([#include <stdio.h>],
[stdout->_fileno = 1],
scm_cv_fd_setter="_fileno",
scm_cv_fd_setter="")))
if test "$scm_cv_fd_setter"; then
AC_MSG_RESULT($scm_cv_fd_setter)
AC_DEFINE_UNQUOTED(FD_SETTER, $scm_cv_fd_setter)
else
AC_MSG_RESULT(we couldn't do it!)
fi
#--------------------------------------------------------------------
# How to find out whether a FILE structure contains buffered data.
# From Tk we have the following list:
# _cnt: Most UNIX systems
# __cnt: HPUX
# _r: BSD
# readCount: Sprite
# Or, in GNU libc there are two fields, _gptr and _egptr, which
# have to be compared.
# These can also be known as _IO_read_ptr and _IO_read_end.
#--------------------------------------------------------------------
AC_MSG_CHECKING(how to get buffer char count from FILE structure)
AC_CACHE_VAL(scm_cv_struct_file_count,
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_cnt = 0],
scm_cv_struct_file_count="_cnt",
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_r = 0],
scm_cv_struct_file_count="_r",
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->readCount = 0],
scm_cv_struct_file_count="readCount",
scm_cv_struct_file_count=""))))
if test "$scm_cv_struct_file_count"; then
AC_MSG_RESULT($scm_cv_struct_file_count)
AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
else
AC_CACHE_VAL(scm_cv_struct_file_gptr,
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_gptr = f->egptr;],
scm_cv_struct_file_gptr=1,
scm_cv_struct_file_gptr=""))
if test "$scm_cv_struct_gptr"; then
AC_MSG_RESULT(gptr)
AC_DEFINE_UNQUOTED(FILE_CNT_GPTR, $scm_cv_struct_file_gptr)
else
AC_CACHE_VAL(scm_cv_struct_file_readptr,
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;],
scm_cv_struct_file_readptr=1))
if test "$scm_cv_struct_file_readptr"; then
AC_MSG_RESULT(read_ptr)
AC_DEFINE_UNQUOTED(FILE_CNT_READPTR, $scm_cv_struct_file_readptr)
else
AC_MSG_RESULT(we couldn't do it!)
fi
fi
fi
#--------------------------------------------------------------------
#
# Flags for thread support
#
#--------------------------------------------------------------------
dnl
dnl Set the appropriate flags!
dnl
if test "$cy_cv_threads_package" = FSU; then
AC_DEFINE(USE_FSU_PTHREADS, 1)
else if test "$cy_cv_threads_package" = COOP; then
AC_DEFINE(USE_COOP_THREADS, 1)
else if test "$cy_cv_threads_package" = MIT; then
AC_DEFINE(USE_MIT_PTHREADS, 1)
else if test "$cy_cv_threads_package" = PCthreads; then
AC_DEFINE(USE_PCTHREADS_PTHREADS, 1)
else if test "$cy_cv_threads_package" = unknown; then
AC_MSG_ERROR("cannot find threads installation")
fi
fi
fi
fi
fi
if test "$cy_cv_threads_package" != ""; then
AC_DEFINE(USE_THREADS)
fi
## If we're using GCC, ask for aggressive warnings.
case "$GCC" in
yes ) CFLAGS="$CFLAGS -Wall -Wpointer-arith" ;;
esac
AC_PROG_AWK
## If we're creating a shared library (using libtool!), then we'll
## need to generate a list of .lo files corresponding to the .o files
## given in LIBOBJS. We'll call it LIBLOBJS.
LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
AC_DEFINE_UNQUOTED(GUILE_MAJOR_VERSION, "$GUILE_MAJOR_VERSION")
AC_DEFINE_UNQUOTED(GUILE_MINOR_VERSION, "$GUILE_MINOR_VERSION")
AC_DEFINE_UNQUOTED(GUILE_VERSION, "$GUILE_VERSION")
AC_SUBST(AWK)
AC_SUBST(LIBLOBJS)
AC_OUTPUT([Makefile guile-snarf PLUGIN/guile.libs], [chmod +x guile-snarf])
dnl Local Variables:
dnl comment-start: "dnl "
dnl comment-end: ""
dnl comment-start-skip: "\\bdnl\\b\\s *"
dnl End:
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