-dnl Process this file with autoconf to produce configure.
+dnl configuration script for Guile
+dnl Process this file with autoconf to produce configure.
AC_INIT(Makefile.in)
. $srcdir/GUILE-VERSION
AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
#
#--------------------------------------------------------------------
-AC_ARG_ENABLE(debug,
-[ --disable-debug Don't include debugging support])
-if test "$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])
+ [ --enable-dynamic-linking Include support for dynamic linking],,
+ enable_dynamic_linking=yes)
AC_ARG_ENABLE(guile-debug,
[ --enable-guile-debug Include internal debugging functions])
AC_DEFINE(GUILE_DEBUG)
fi
+dnl The --disable-debug used to control these two. But now they are
+dnl a required part of the distribution.
+AC_DEFINE(DEBUG_EXTENSIONS)
+AC_DEFINE(READER_EXTENSIONS)
+
#--------------------------------------------------------------------
AC_PROG_CC
AC_MINIX
AC_C_CONST
+AC_C_INLINE
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)
+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)
GUILE_HEADER_LIBC_WITH_UNISTD
AC_TYPE_GETGROUPS
AC_TYPE_SIGNAL
AC_TYPE_MODE_T
-AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent 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_CHECK_LIB(m, main)
+AC_CHECK_FUNCS(gethostbyname)
+if test $ac_cv_func_gethostbyname = no; then
+ AC_CHECK_LIB(nsl, gethostbyname)
+fi
+AC_CHECK_FUNCS(connect)
+if test $ac_cv_func_connect = no; then
+ AC_CHECK_LIB(socket, connect)
+fi
+AC_CHECK_LIB(termcap, tgoto)
+AC_CHECK_LIB(readline, readline)
+AC_CHECK_FUNCS(rl_clear_signals rl_cleanup_after_signal)
+
+AC_CACHE_CHECK([for rl_getc_function pointer in readline],
+ ac_cv_var_rl_getc_function,
+ [AC_TRY_LINK([
+#include <stdio.h>
+#include <readline/readline.h>],
+ [rl_getc_function;],
+ [ac_cv_var_rl_getc_function=yes],
+ [ac_cv_var_rl_getc_function=no])])
+if test "$ac_cv_var_rl_getc_function" = "yes"; then
+ AC_DEFINE(HAVE_RL_GETC_FUNCTION)
+fi
-AC_STRUCT_ST_RDEV
-AC_STRUCT_ST_BLKSIZE
-AC_STRUCT_ST_BLOCKS
-AC_STRUCT_TIMEZONE
-GUILE_STRUCT_UTIMBUF
+if test $ac_cv_lib_readline_readline = yes -a $ac_cv_var_rl_getc_function = no; then
+ echo 'Warning: libreadline is too old on your system. Need >= 2.1.'
+fi
# Checks for dynamic linking
-xtra_PLUGIN_guile_libs=""
-AC_SUBST(xtra_PLUGIN_guile_libs)
-
-AC_CHECK_LIB(m, main)
-AC_CHECK_LIB(socket, main)
-AC_CHECK_LIB(nsl, main)
-
if test "$enable_dynamic_linking" = "yes"; then
AC_CHECK_LIB(dl,dlopen)
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
- xtra_PLUGIN_guile_libs="-lguile -ldl"
+ AC_CHECK_FUNCS(dlopen)
AC_DEFINE(DYNAMIC_LINKING)
else
AC_CHECK_LIB(dld,dld_link)
if test "$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 "$ac_cv_func_shl_load" = "yes"; then
AC_DEFINE(DYNAMIC_LINKING)
+else
+AC_CHECK_FUNCS(dlopen)
+if test "$ac_cv_func_dlopen" = "yes"; then
+ AC_DEFINE(DYNAMIC_LINKING)
+fi
+fi
+fi
+fi
+
+fi
+
+GUILE_DLSYM_USCORE
+
+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 strdup system usleep)
+
+### Some systems don't declare some functions. On such systems, we
+### need to at least provide our own K&R-style declarations.
+
+### GUILE_FUNC_DECLARED(function, headerfile)
+
+### Check for a declaration of FUNCTION in HEADERFILE; if it is
+### not there, #define MISSING_FUNCTION_DECL.
+AC_DEFUN(GUILE_FUNC_DECLARED, [
+ AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
+ AC_EGREP_HEADER($1, $2,
+ guile_cv_func_$1_declared=yes,
+ guile_cv_func_$1_declared=no))
+ if test [x$guile_cv_func_]$1[_declared] = xno; then
+ AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
+ fi
+])
+
+GUILE_FUNC_DECLARED(strptime, time.h)
+GUILE_FUNC_DECLARED(bzero, string.h)
+GUILE_FUNC_DECLARED(sleep, unistd.h)
+GUILE_FUNC_DECLARED(usleep, unistd.h)
+
+### On some systems usleep has no return value. If it does have one,
+### we'd like to return it; otherwise, we'll fake it.
+AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
+ [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
+ /usr/include/unistd.h,
+ [guile_cv_func_usleep_return_type=void],
+ [guile_cv_func_usleep_return_type=int])])
+case "$guile_cv_func_usleep_return_type" in
+ "void" )
+ AC_DEFINE(USLEEP_RETURNS_VOID)
+ ;;
+esac
+
+dnl <GNU-WIN32 hacks>
+
+AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
+if test -n "$have_sys_un_h" ; then
+AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
fi
+
+AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
+
+dnl I don't know what this prefixing of cygwin32_ is for.
+dnl scmconfig.h wasn't updated with the test results.
+dnl so use AC_CHECK_FUNCS for now.
+
+dnl how about:
+dnl save confdefs.h
+dnl if test $ac_cv_cigwin = yes; then
+dnl modify confdefs.h
+dnl fi
+dnl AC_CHECK_FUNCS...
+dnl restore confdefs.h
+
+dnl cp confdefs.h confdefs.h.bak
+dnl for func in sethostent endhostent getnetent setnetent endnetent getprotoent endprotoent getservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof ; do
+dnl cp confdefs.h.bak confdefs.h
+dnl cat >> confdefs.h << EOF
+dnl #ifdef __CYGWIN32__
+dnl #define $func cygwin32_$func
+dnl #endif
+dnl EOF
+dnl AC_CHECK_FUNC($func)
+dnl done
+dnl cp confdefs.h.bak confdefs.h
+
+AC_CHECK_FUNCS(sethostent endhostent getnetent setnetent endnetent getprotoent endprotoent getservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof)
+
+dnl </GNU-WIN32 hacks>
+
+AC_CACHE_CHECK([for restartable system calls], scm_cv_restarts,
+ if test $ac_cv_func_sigaction = yes; then
+ [AC_TRY_COMPILE([#include <signal.h>],
+ [int a = SA_RESTART],
+ scm_cv_restarts=yes,
+ scm_cv_restarts=no)]
+ else
+ scm_cv_restarts=no
+ fi)
+if test $scm_cv_restarts = yes; then
+ AC_DEFINE(HAVE_RESTARTS)
fi
+
+if test "$ac_cv_header_regex_h" = yes ||
+ test "$ac_cv_header_rxposix_h" = yes ||
+ test "$ac_cv_header_rx_rxposix_h" = yes; then
+ GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
+ [AC_CHECK_LIB(rx, main)
+ GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
+ )
+ dnl The following should not be necessary, but for some reason
+ dnl autoheader misses it if we don't include it!
+ if test "$ac_cv_func_regcomp_norx" = yes ||
+ test "$ac_cv_func_regcomp_rx" = yes; then
+ AC_DEFINE(HAVE_REGCOMP)
+ fi
fi
+AC_REPLACE_FUNCS(inet_aton putenv strerror)
+
+# When testing for the presence of alloca, we need to add alloca.o
+# explicitly to LIBOBJS to make sure that it is translated to
+# `alloca.lo' for libtool later on. This can and should be done more cleanly.
+AC_FUNC_ALLOCA
+if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
+
+AC_STRUCT_ST_RDEV
+AC_STRUCT_ST_BLKSIZE
+
+# We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
+# LIBOBJS, which we don't need. This seems more direct.
+AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
+[AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/stat.h>], [struct stat s; s.st_blocks;],
+ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
+if test $ac_cv_struct_st_blocks = yes; then
+ AC_DEFINE(HAVE_ST_BLOCKS)
fi
+AC_STRUCT_TIMEZONE
+GUILE_STRUCT_UTIMBUF
+
#--------------------------------------------------------------------
#
# Which way does the stack grow?
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_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
+ [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
+ [guile_cv_type_float_fits_long=yes],
+ [guile_cv_type_float_fits_long=no],
+ [guile_cv_type_float_fits_long=guess-yes])])
+case $guile_cv_type_float_fits_long in
+ "yes" )
+ AC_DEFINE(SCM_SINGLES)
+ ;;
+ "guess-yes" )
+ AC_DEFINE(SCM_SINGLES)
+ AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
+ AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
+ ;;
+esac
-AC_TRY_RUN(main () { exit (sizeof(float) != sizeof(long)); },
- AC_DEFINE(SCM_SINGLES),,AC_DEFINE(SCM_SINGLES)
- AC_MSG_WARN(Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in))
AC_MSG_CHECKING(for struct linger)
AC_CACHE_VAL(scm_cv_struct_linger,
AC_TRY_COMPILE([#include <stdio.h>],
[stdout->_file = 1],
scm_cv_fd_setter="_file",
+ AC_TRY_COMPILE([#include <stdio.h>],
+ [stdout->__file = 1],
+ scm_cv_fd_setter="__file",
AC_TRY_COMPILE([#include <stdio.h>],
[stdout->_fileno = 1],
scm_cv_fd_setter="_fileno",
- scm_cv_fd_setter="")))
+ scm_cv_fd_setter=""))))
if test "$scm_cv_fd_setter"; then
AC_MSG_RESULT($scm_cv_fd_setter)
# How to find out whether a FILE structure contains buffered data.
# From Tk we have the following list:
# _cnt: Most UNIX systems
-# __cnt: HPUX
+# __cnt: HPUX and SCO
# _r: BSD
# readCount: Sprite
# Or, in GNU libc there are two fields, _gptr and _egptr, which
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_cnt = 0],
scm_cv_struct_file_count="_cnt",
+ AC_TRY_COMPILE([#include <stdio.h>],
+ [FILE *f = stdin; f->__cnt = 0],
+ scm_cv_struct_file_count="__cnt",
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_r = 0],
scm_cv_struct_file_count="_r",
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->readCount = 0],
scm_cv_struct_file_count="readCount",
- scm_cv_struct_file_count=""))))
+ scm_cv_struct_file_count="")))))
if test "$scm_cv_struct_file_count"; then
AC_MSG_RESULT($scm_cv_struct_file_count)
AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
#
#--------------------------------------------------------------------
-CY_AC_WITH_THREADS
-CFLAGS="$CFLAGS $cy_cv_threads_cflags"
-THREAD_LIBS="$cy_cv_threads_libs"
-AC_SUBST(THREAD_LIBS)
+### What thread package has the user asked for?
+AC_ARG_WITH(threads, [ --with-threads thread interface],
+ , with_threads=no)
+
+### Turn $with_threads into either the name of a threads package, like
+### `qt', or `no', meaning that threads should not be supported.
+AC_MSG_CHECKING(whether to support threads)
+case "$with_threads" in
+ "yes" | "qt" | "coop" | "")
+ with_threads=qt
+ ;;
+ "no" )
+ ;;
+ * )
+ AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
+ ;;
+esac
+AC_MSG_RESULT($with_threads)
+
+## Make sure the threads package we've chosen is actually supported on
+## the present platform.
+case "${with_threads}" in
+ "qt" )
+ ## This configures the QuickThreads package, and sets or clears
+ ## the THREAD_PACKAGE variable if qthreads don't configure
+ ## correctly.
+ QTHREADS_CONFIGURE
+ ;;
+esac
-dnl
-dnl Set the appropriate flags!
-dnl
-if test "$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 we're using threads, bring in some other parts of Guile which
+## work with them.
+if test "${THREAD_PACKAGE}" != "" ; then
+ AC_DEFINE(USE_THREADS, 1)
-if test "$cy_cv_threads_package" != ""; then
- AC_DEFINE(USE_THREADS)
+ ## Include the Guile thread interface in the library...
LIBOBJS="$LIBOBJS threads.o"
+
+ ## ... and tell it which package to talk to.
+ case "${THREAD_PACKAGE}" in
+ "QT" )
+ AC_DEFINE(USE_COOP_THREADS, 1)
+ ;;
+ * )
+ AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
+ ;;
+ esac
+
+ ## Bring in scm_internal_select, if appropriate.
+ if test $ac_cv_func_gettimeofday = yes &&
+ test $ac_cv_func_select = yes; then
+ LIBOBJS="$LIBOBJS iselect.o"
+ AC_DEFINE(GUILE_ISELECT, 1)
+ fi
fi
## If we're using GCC, ask for aggressive warnings.
case "$GCC" in
- yes ) CFLAGS="$CFLAGS -Wall -Wpointer-arith" ;;
+ yes )
+ ## We had -Wstrict-prototypes in here for a bit, but Guile does too
+ ## much stuff with generic function pointers for that to really be
+ ## less than exasperating.
+ CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wmissing-prototypes" ;;
esac
AC_PROG_AWK
## 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)
-
-
-dnl ======================================================================
-dnl configuration for the Qt package
-dnl ======================================================================
-
-threads_enabled=false
-if test "$cy_cv_threads_package" = COOP; then
- threads_enabled=true
-fi
-
-# Determine the host we are working on
-AC_CANONICAL_HOST
-
-changequote(,)dnl We use [ and ] in a regexp in the case
-case "$host" in
-i[3456]86-*-*)
- qtmds_s=$srcdir/md/i386.s
- qtmd_h=$srcdir/md/i386.h
- qtmdc_c=$srcdir/md/null.c
- ;;
-mips-sgi-irix5*)
- qtmds_s=$srcdir/md/mips-irix5.s
- qtmd_h=$srcdir/md/mips.h
- qtmdc_c=$srcdir/md/null.c
- qtdmdb_s=$srcdir/md/mips_b.s
- ;;
-mips-*-*)
- qtmds_s=$srcdir/md/mips.s
- qtmd_h=$srcdir/md/mips.h
- qtmdc_c=$srcdir/md/null.c
- qtdmdb_s=$srcdir/md/mips_b.s
- ;;
-sparc-sun-solaris2.*)
- qtmd_h=$srcdir/md/sparc.h
- qtmdc_c=$srcdir/md/null.c
- qtmds_s=$srcdir/md/sparc.s
- qtdmdb_s=$srcdir/md/sparc_b.s
- ;;
-sparc-*-*)
- qtmd_h=$srcdir/md/sparc.h
- qtmdc_c=$srcdir/md/null.c
- qtmds_s=$srcdir/md/_sparc.s
- qtdmdb_s=$srcdir/md/_sparc_b.s
- ;;
-*)
- echo "Unknown configuration; threads package disabled"
- threads_enabled=false
- ;;
-esac
-changequote([, ])
+AC_SUBST(GUILE_MAJOR_VERSION)
+AC_SUBST(GUILE_MINOR_VERSION)
+AC_SUBST(GUILE_VERSION)
+dnl Tell guile-config what flags guile users should link against.
+GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
+AC_SUBST(GUILE_LIBS)
-if $threads_enabled; then
- target_libs=libqt.a
-else
- target_libs=
-fi
-
-# Give the Makefile the names of the object files that will be
-# generated by compiling $qtmdc_c and $qtmds_s.
-qtmdc_o="`echo ${qtmdc_c} | sed -e 's:^.*/::' | sed -e 's:\.c$:\.o:'`"
-qtmds_o="`echo ${qtmds_s} | sed -e 's:^.*/::' | sed -e 's:\.s$:\.o:'`"
+dnl timestamping the interpreter and scheme libraries:
+dnl
+dnl Help us notice when we're running one version of the Guile
+dnl interpreter against a different version of the ice-9 Scheme code.
+dnl This will definitely detect version skew due to differing
+dnl snapshots and releases, but may not catch skew for the developers.
+dnl Hopefully it will not detect skew when there is none; if that
+dnl happens, the warnings will be useless, and we should remove this.
+GUILE_STAMP="`date`"
+AC_SUBST(GUILE_STAMP)
-AC_SUBST(target_libs)
-AC_SUBST(qtmd_h)
-AC_SUBST(qtmdc_c)
-AC_SUBST(qtmdc_o)
-AC_SUBST(qtmds_s)
-AC_SUBST(qtmds_o)
-AC_SUBST(qtmdb_s)
+AC_SUBST(AWK)
+AC_SUBST(LIBLOBJS)
-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])
+AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/versiondat.h ice-9/Makefile ice-9/version.scm qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile guile-config/Makefile doc/Makefile], [chmod +x libguile/guile-snarf])
dnl Local Variables:
dnl comment-start: "dnl "
HCoop / bpt / guile.git / blobdiff