dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.577 2011/10/22 18:58:44 tom Exp $
+dnl $Id: aclocal.m4,v 1.581 2011/10/30 21:13:25 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
AC_SUBST(ARFLAGS)
])
dnl ---------------------------------------------------------------------------
-dnl CF_AWK_BIG_PRINTF version: 3 updated: 2008/12/27 12:30:03
+dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50
dnl -----------------
dnl Check if awk can handle big strings using printf. Some older versions of
dnl awk choke on large strings passed via "%s".
eval $2=no
;;
*) #(vi
- if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' \
- | $AWK '{ printf "%d\n", length([$]0); }' | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
+ if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
+ | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
eval $2=yes
else
eval $2=no
fi
])])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
+dnl ----------------
+dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
+AC_DEFUN([CF_CHECK_WCHAR_H],[
+AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
+AC_TRY_COMPILE(
+[
+#include <stdlib.h>
+#include <wchar.h>
+],[
+ wint_t foo = 0;
+ int bar = iswpunct(foo)],
+ [cf_cv_wchar_h_okay=yes],
+ [cf_cv_wchar_h_okay=no])])
+
+if test $cf_cv_wchar_h_okay = no
+then
+ CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_CPP_PARAM_INIT version: 4 updated: 2001/04/07 22:31:18
dnl -----------------
dnl Check if the C++ compiler accepts duplicate parameter initialization. This
test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34
+dnl ---------------
+dnl Setup special archiver flags for given compilers.
+AC_DEFUN([CF_CXX_AR_FLAGS],[
+ CXX_AR='$(AR)'
+ CXX_ARFLAGS='$(ARFLAGS)'
+ case $cf_cv_system_name in #(vi
+ irix*) #(vi
+ if test "$GXX" != yes ; then
+ CXX_AR='$(CXX)'
+ CXX_ARFLAGS='-ar -o'
+ fi
+ ;;
+ sco3.2v5*) #(vi
+ CXXLDFLAGS="-u main"
+ ;;
+ solaris2*)
+ if test "$GXX" != yes ; then
+ CXX_AR='$(CXX)'
+ CXX_ARFLAGS='-xar -o'
+ fi
+ ;;
+ esac
+ AC_SUBST(CXXLDFLAGS)
+ AC_SUBST(CXX_AR)
+ AC_SUBST(CXX_ARFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CXX_IOSTREAM_NAMESPACE version: 1 updated: 2011/10/29 08:35:34
+dnl -------------------------
+dnl For c++, check if iostream uses "std::" namespace.
+AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
+AC_CHECK_HEADERS(iostream)
+if test x"$ac_cv_header_iostream" = xyes ; then
+ AC_MSG_CHECKING(if iostream uses std-namespace)
+ AC_TRY_COMPILE([
+#include <iostream>
+using std::endl;
+using std::cerr;],[
+cerr << "testing" << endl;
+],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
+ AC_MSG_RESULT($cf_iostream_namespace)
+ if test "$cf_iostream_namespace" = yes ; then
+ AC_DEFINE(IOSTREAM_NAMESPACE)
+ fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_C_INLINE version: 3 updated: 2010/05/01 15:14:41
dnl -----------
dnl Check if the C compiler supports "inline".
AC_SUBST(top_builddir)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
+dnl -------------------
+dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
+dnl can define it successfully.
+AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
+AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
+ AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_xopen_source=no],
+ [cf_save="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_xopen_source=no],
+ [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
+ CPPFLAGS="$cf_save"
+ ])
+])
+
+if test "$cf_cv_xopen_source" != no ; then
+ CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
+ CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
+ cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
+ CF_ADD_CFLAGS($cf_temp_xopen_source)
+fi
+])
+dnl ---------------------------------------------------------------------------
dnl CF_TYPEOF_CHTYPE version: 8 updated: 2006/12/16 12:33:30
dnl ----------------
dnl Determine the type we should use for chtype (and attr_t, which is treated
[USE_VALGRIND])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 37 updated: 2011/08/06 20:32:05
+dnl CF_XOPEN_SOURCE version: 39 updated: 2011/10/30 17:09:50
dnl ---------------
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
dnl or adapt to the vendor's definitions to get equivalent functionality,
sco*) #(vi
# setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
;;
-solaris2.1[[0-9]]) #(vi
- cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
- ;;
-solaris2.[[1-9]]) #(vi
+solaris2.*) #(vi
cf_xopen_source="-D__EXTENSIONS__"
;;
*)
- AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
- AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifndef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_xopen_source=no],
- [cf_save="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
- AC_TRY_COMPILE([#include <sys/types.h>],[
-#ifdef _XOPEN_SOURCE
-make an error
-#endif],
- [cf_cv_xopen_source=no],
- [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
- CPPFLAGS="$cf_save"
- ])
-])
- if test "$cf_cv_xopen_source" != no ; then
- CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
- CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
- cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
- CF_ADD_CFLAGS($cf_temp_xopen_source)
- fi
+ CF_TRY_XOPEN_SOURCE
CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
;;
esac
if test -n "$cf_xopen_source" ; then
CF_ADD_CFLAGS($cf_xopen_source)
fi
+
+dnl In anything but the default case, we may have system-specific setting
+dnl which is still not guaranteed to provide all of the entrypoints that
+dnl _XOPEN_SOURCE would yield.
+if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
+ AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
+ AC_TRY_COMPILE([#include <stdlib.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_XOPEN_SOURCE_set=yes],
+ [cf_XOPEN_SOURCE_set=no])
+ AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
+ if test $cf_XOPEN_SOURCE_set = yes
+ then
+ AC_TRY_COMPILE([#include <stdlib.h>],[
+#if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
+make an error
+#endif],
+ [cf_XOPEN_SOURCE_set_ok=yes],
+ [cf_XOPEN_SOURCE_set_ok=no])
+ if test $cf_XOPEN_SOURCE_set_ok = no
+ then
+ AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
+ fi
+ else
+ CF_TRY_XOPEN_SOURCE
+ fi
+fi
])