X-Git-Url: https://git.hcoop.net/bpt/guile.git/blobdiff_plain/6e26b23c5d0df8a69a12aca7be4494a19cdf0600..7d1a978289c75efbb99684c4feb29dfb10cf1229:/configure.in

diff --git a/configure.in b/configure.in
index 553d68814..53049eb79 100644
--- a/configure.in
+++ b/configure.in
@@ -8,20 +8,20 @@ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
 
 This file is part of GUILE
 
-GUILE is free software; you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your
-option) any later version.
+GUILE is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the
+Free Software Foundation; either version 3, or (at your option) any
+later version.
 
-GUILE is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-General Public License for more details.
+GUILE is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+License for more details.
 
-You should have received a copy of the GNU General Public License
-along with GUILE; see the file COPYING.  If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA.
+You should have received a copy of the GNU Lesser General Public
+License along with GUILE; see the file COPYING.LESSER.  If not, write
+to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
+Floor, Boston, MA 02110-1301, USA.
 
 ]])
 
@@ -621,6 +621,8 @@ AC_SUBST([SCM_I_GSC_HAVE_STRUCT_DIRENT64])
 # Reasons for testing:
 #   complex.h - new in C99
 #   fenv.h - available in C99, but not older systems
+#   machine/fpu.h - on Tru64 5.1b, the declaration of fesetround(3) is in
+#     this file instead of <fenv.h>
 #   process.h - mingw specific
 #   langinfo.h, nl_types.h - SuS v2
 #
@@ -628,7 +630,7 @@ AC_CHECK_HEADERS([complex.h fenv.h io.h libc.h limits.h malloc.h memory.h proces
 regex.h rxposix.h rx/rxposix.h sys/dir.h sys/ioctl.h sys/select.h \
 sys/time.h sys/timeb.h sys/times.h sys/stdtypes.h sys/types.h \
 sys/utime.h time.h unistd.h utime.h pwd.h grp.h sys/utsname.h \
-direct.h langinfo.h nl_types.h])
+direct.h langinfo.h nl_types.h machine/fpu.h])
 
 # "complex double" is new in C99, and "complex" is only a keyword if
 # <complex.h> is included
@@ -734,10 +736,14 @@ AC_CHECK_FUNCS([DINFINITY DQNAN cexp chsize clog clog10 ctermid fesetround ftime
 #   sethostname - the function itself check because it's not in mingw,
 #       the DECL is checked because Solaris 10 doens't have in any header
 #   xlocale.h - needed on Darwin for the `locale_t' API
+#   hstrerror - on Tru64 5.1b the symbol is available in libc but the
+#       declaration isn't anywhere.
+#   cuserid - on Tru64 5.1b the declaration is documented to be available
+#       only with `_XOPEN_SOURCE' or some such.
 #
 AC_CHECK_HEADERS(crypt.h netdb.h pthread.h sys/param.h sys/resource.h sys/file.h xlocale.h)
 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
-AC_CHECK_DECLS([sethostname])
+AC_CHECK_DECLS([sethostname, hstrerror, cuserid])
 
 # crypt() may or may not be available, for instance in some countries there
 # are restrictions on cryptography.
@@ -821,6 +827,7 @@ fi
 
 
 dnl GMP tests
+AC_LIB_LINKFLAGS(gmp)
 AC_CHECK_LIB([gmp], [__gmpz_init], ,
   [AC_MSG_ERROR([GNU MP not found, see README])])
 
@@ -830,6 +837,13 @@ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gmp.h>]],
   [],
   [AC_MSG_ERROR([At least GNU MP 4.1 is required, see README])])
 
+dnl GNU libunistring tests.
+if test "x$LTLIBUNISTRING" != "x"; then
+   LIBS="$LTLIBUNISTRING $LIBS"
+else
+   AC_MSG_ERROR([GNU libunistring is required, please install it.])
+fi
+
 dnl i18n tests
 #AC_CHECK_HEADERS([libintl.h])
 #AC_CHECK_FUNCS(gettext)
@@ -1040,18 +1054,6 @@ if test $guile_cv_localtime_cache = yes; then
   AC_DEFINE(LOCALTIME_CACHE, 1, [Define if localtime caches the TZ setting.])
 fi
 
-dnl Test whether system calls are restartable by default on the
-dnl current system.  If they are not, we put a loop around every system
-dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
-dnl change from the default behaviour.  On the other hand, if signals
-dnl are restartable then the loop is not installed and when libguile
-dnl initialises it also resets the behaviour of each signal to cause a
-dnl restart (in case a different runtime had a different default
-dnl behaviour for some reason: e.g., different versions of linux seem
-dnl to behave differently.)
-
-AC_SYS_RESTARTABLE_SYSCALLS
-
 if test "$enable_regex" = yes; then
    if test "$ac_cv_header_regex_h" = yes ||
       test "$ac_cv_header_rxposix_h" = yes ||
@@ -1244,11 +1246,12 @@ case "$with_threads" in
 
     build_pthread_support="yes"
 
-    ACX_PTHREAD(CC="$PTHREAD_CC"
-      LIBS="$PTHREAD_LIBS $LIBS"
-      SCM_I_GSC_USE_PTHREAD_THREADS=1
-      with_threads="pthreads",
-      with_threads="null")
+    ACX_PTHREAD([CC="$PTHREAD_CC"
+       LIBS="$PTHREAD_LIBS $LIBS"
+       SCM_I_GSC_USE_PTHREAD_THREADS=1
+       with_threads="pthreads"],
+      [with_threads="null"
+       build_pthread_support="no"])
 
     old_CFLAGS="$CFLAGS"
     CFLAGS="$PTHREAD_CFLAGS $CFLAGS"