-dnl $Id: aclocal.m4,v 1.6 2003/10/19 00:09:23 tom Exp $
+dnl $Id: aclocal.m4,v 1.8 2005/02/27 00:02:01 tom Exp $
dnl ---------------------------------------------------------------------------
dnl ---------------------------------------------------------------------------
+dnl CF_ADD_CFLAGS version: 7 updated: 2004/04/25 17:48:30
+dnl -------------
+dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
+dnl The second parameter if given makes this macro verbose.
+dnl
+dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
+dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
+dnl confused by the quotes (which require backslashes to keep them usable).
+AC_DEFUN([CF_ADD_CFLAGS],
+[
+cf_fix_cppflags=no
+cf_new_cflags=
+cf_new_cppflags=
+cf_new_extra_cppflags=
+
+for cf_add_cflags in $1
+do
+case $cf_fix_cppflags in
+no)
+ case $cf_add_cflags in #(vi
+ -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
+ case $cf_add_cflags in
+ -D*)
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
+
+ test "${cf_add_cflags}" != "${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=yes
+
+ if test $cf_fix_cppflags = yes ; then
+ cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+ continue
+ elif test "${cf_tst_cflags}" = "\"'" ; then
+ cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+ continue
+ fi
+ ;;
+ esac
+ case "$CPPFLAGS" in
+ *$cf_add_cflags) #(vi
+ ;;
+ *) #(vi
+ cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+ ;;
+ esac
+ ;;
+ *)
+ cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+ ;;
+ esac
+ ;;
+yes)
+ cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
+
+ cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
+
+ test "${cf_add_cflags}" != "${cf_tst_cflags}" \
+ && test -z "${cf_tst_cflags}" \
+ && cf_fix_cppflags=no
+ ;;
+esac
+done
+
+if test -n "$cf_new_cflags" ; then
+ ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
+ CFLAGS="$CFLAGS $cf_new_cflags"
+fi
+
+if test -n "$cf_new_cppflags" ; then
+ ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
+ CPPFLAGS="$cf_new_cppflags $CPPFLAGS"
+fi
+
+if test -n "$cf_new_extra_cppflags" ; then
+ ifelse($2,,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
+ EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
+fi
+
+AC_SUBST(EXTRA_CPPFLAGS)
+
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_ADD_INCDIR version: 4 updated: 2002/12/21 14:25:52
dnl -------------
dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
done
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_CACHE version: 7 updated: 2001/12/19 00:50:10
+dnl CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34
+dnl ----------------
+dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
+dnl in the sharutils 4.2 distribution.
+AC_DEFUN([CF_ANSI_CC_CHECK],
+[
+AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[
+cf_cv_ansi_cc=no
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX -qlanglvl=ansi
+# Ultrix and OSF/1 -std1
+# HP-UX -Aa -D_HPUX_SOURCE
+# SVR4 -Xc
+# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
+for cf_arg in "-DCC_HAS_PROTOS" \
+ "" \
+ -qlanglvl=ansi \
+ -std1 \
+ -Ae \
+ "-Aa -D_HPUX_SOURCE" \
+ -Xc
+do
+ CF_ADD_CFLAGS($cf_arg)
+ AC_TRY_COMPILE(
+[
+#ifndef CC_HAS_PROTOS
+#if !defined(__STDC__) || (__STDC__ != 1)
+choke me
+#endif
+#endif
+],[
+ int test (int i, double x);
+ struct s1 {int (*f) (int a);};
+ struct s2 {int (*f) (double a);};],
+ [cf_cv_ansi_cc="$cf_arg"; break])
+done
+CFLAGS="$cf_save_CFLAGS"
+CPPFLAGS="$cf_save_CPPFLAGS"
+])
+
+if test "$cf_cv_ansi_cc" != "no"; then
+if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
+ CF_ADD_CFLAGS($cf_cv_ansi_cc)
+else
+ AC_DEFINE(CC_HAS_PROTOS)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ANSI_CC_REQD version: 3 updated: 1997/09/06 13:40:44
+dnl ---------------
+dnl For programs that must use an ANSI compiler, obtain compiler options that
+dnl will make it recognize prototypes. We'll do preprocessor checks in other
+dnl macros, since tools such as unproto can fake prototypes, but only part of
+dnl the preprocessor.
+AC_DEFUN([CF_ANSI_CC_REQD],
+[AC_REQUIRE([CF_ANSI_CC_CHECK])
+if test "$cf_cv_ansi_cc" = "no"; then
+ AC_ERROR(
+[Your compiler does not appear to recognize prototypes.
+You have the following choices:
+ a. adjust your compiler options
+ b. get an up-to-date compiler
+ c. use a wrapper such as unproto])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_CACHE version: 10 updated: 2004/05/23 13:03:31
dnl --------------
dnl Check if we're accidentally using a cache from a different machine.
dnl Derive the system name, as a check for reusing the autoconf cache.
dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
dnl which is useful in cross-compiles.
+dnl
+dnl Note: we would use $ac_config_sub, but that is one of the places where
+dnl autoconf 2.5x broke compatibility with autoconf 2.13
AC_DEFUN([CF_CHECK_CACHE],
[
-if test -f $srcdir/config.guess ; then
+if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
ifelse([$1],,[AC_CANONICAL_HOST],[$1])
system_name="$host_os"
else
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CURSES_LIBS version: 22 updated: 2002/10/27 18:21:42
+dnl CF_CURSES_LIBS version: 23 updated: 2003/11/06 19:59:57
dnl --------------
dnl Look for the curses libraries. Older curses implementations may require
dnl termcap/termlib to be linked as well. Call CF_CURSES_CPPFLAGS first.
AC_DEFUN([CF_CURSES_LIBS],[
+AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
AC_MSG_CHECKING(if we have identified curses libraries)
AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
[initscr(); tgoto("?", 0,0)],
dnl "dirname" is not portable, so we fake it with a shell script.
AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_FIND_LIBRARY version: 7 updated: 2000/04/13 21:38:04
+dnl CF_FIND_LIBRARY version: 8 updated: 2004/11/23 20:14:58
dnl ---------------
dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
dnl prefer a standard location, and use -L options only if we do not find the
dnl $3 = includes
dnl $4 = code fragment to compile/link
dnl $5 = corresponding function-name
-dnl $6 = flag, nonnull if failure causes an error-exit
+dnl $6 = flag, nonnull if failure should not cause an error-exit
dnl
dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
dnl to use a -L option.
test "$cf_cv_func_curses_version" = yes && AC_DEFINE(HAVE_CURSES_VERSION)
])
dnl ---------------------------------------------------------------------------
-dnl CF_GNU_SOURCE version: 3 updated: 2000/10/29 23:30:53
+dnl CF_GNU_SOURCE version: 4 updated: 2004/12/03 20:43:00
dnl -------------
dnl Check if we must define _GNU_SOURCE to get a reasonable value for
dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
dnl Well, yes we could work around it...
AC_DEFUN([CF_GNU_SOURCE],
[
+AC_REQUIRE([CF_INTEL_COMPILER])
+
+if test "$INTEL_COMPILER" = no ; then
AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
AC_TRY_COMPILE([#include <sys/types.h>],[
#ifndef _XOPEN_SOURCE
])
])
test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_HEADER_PATH version: 8 updated: 2002/11/10 14:46:59
test -f $1 || ( test -f ../$1 && cp ../$1 ./ )
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_INTEL_COMPILER version: 1 updated: 2004/12/03 20:27:48
+dnl -----------------
+dnl Check if the given compiler is really the Intel compiler for Linux.
+dnl It tries to imitate gcc, but does not return an error when it finds a
+dnl mismatch between prototypes, e.g., as exercised by CF_MISSING_CHECK.
+dnl
+dnl This macro should be run "soon" after AC_PROG_CC, to ensure that it is
+dnl not mistaken for gcc.
+AC_DEFUN([CF_INTEL_COMPILER],[
+AC_REQUIRE([AC_PROG_CC])
+
+INTEL_COMPILER=no
+
+if test "$GCC" = yes ; then
+ case $host_os in
+ linux*|gnu*)
+ AC_MSG_CHECKING(if this is really Intel compiler)
+ cf_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -no-gcc"
+ AC_TRY_COMPILE([],[
+#ifdef __INTEL_COMPILER
+#else
+make an error
+#endif
+],[INTEL_COMPILER=yes
+cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
+],[])
+ CFLAGS="$cf_save_CFLAGS"
+ AC_MSG_RESULT($INTEL_COMPILER)
+ ;;
+ esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_LIBRARY_PATH version: 7 updated: 2002/11/10 14:46:59
dnl ---------------
dnl Construct a search-list for a nonstandard library-file
AC_DEFUN([CF_LIBRARY_PATH],
[CF_SUBDIR_PATH($1,$2,lib)])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_MSG_LOG version: 3 updated: 1997/09/07 14:05:52
+dnl ----------
+dnl Write a debug message to config.log, along with the line number in the
+dnl configure script.
+AC_DEFUN([CF_MSG_LOG],[
+echo "(line __oline__) testing $* ..." 1>&AC_FD_CC
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_NCURSES_CC_CHECK version: 3 updated: 2003/01/12 18:59:28
dnl -------------------
dnl Check if we can compile with ncurses' header file
,[$1=no])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_CPPFLAGS version: 16 updated: 2002/12/29 18:30:46
+dnl CF_NCURSES_CPPFLAGS version: 17 updated: 2003/11/06 19:59:57
dnl -------------------
dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
dnl the CPPFLAGS variable so we can include its header.
AC_DEFUN([CF_NCURSES_CPPFLAGS],
[AC_REQUIRE([CF_WITH_CURSES_DIR])
+AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
cf_ncuhdr_root=ifelse($1,,ncurses,$1)
test -n "$cf_cv_curses_dir" && \
CF_NCURSES_VERSION
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_LIBS version: 11 updated: 2002/12/22 14:22:25
+dnl CF_NCURSES_LIBS version: 12 updated: 2004/04/27 16:26:05
dnl ---------------
dnl Look for the ncurses library. This is a little complicated on Linux,
dnl because it may be linked with the gpm (general purpose mouse) library.
freebsd*)
# This is only necessary if you are linking against an obsolete
# version of ncurses (but it should do no harm, since it's static).
- AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
+ if test "$cf_nculib_root" = ncurses ; then
+ AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
+ fi
;;
esac
AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NCURSES_VERSION version: 10 updated: 2002/10/27 18:21:42
+dnl CF_NCURSES_VERSION version: 11 updated: 2003/11/06 19:59:57
dnl ------------------
dnl Check for the version of ncurses, to aid in reporting bugs, etc.
dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
AC_DEFUN([CF_NCURSES_VERSION],
[
+AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
cf_cv_ncurses_version=no
cf_tempfile=out$$
esac
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_PREDEFINE version: 1 updated: 2003/07/26 17:53:56
-dnl ------------
-dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
+dnl CF_POSIX_C_SOURCE version: 3 updated: 2005/02/04 06:56:22
+dnl -----------------
+dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
dnl
-dnl $1 = symbol to test
-dnl $2 = value (if any) to use for a predefinition
-AC_DEFUN([CF_PREDEFINE],
+dnl POSIX.1-1990 _POSIX_SOURCE
+dnl POSIX.1-1990 and _POSIX_SOURCE and
+dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
+dnl Bindings Option
+dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
+dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
+dnl X/Open 2000 _POSIX_C_SOURCE=200112L
+dnl
+dnl Parameters:
+dnl $1 is the nominal value for _POSIX_C_SOURCE
+AC_DEFUN([CF_POSIX_C_SOURCE],
[
-AC_MSG_CHECKING(if we must define $1)
-AC_TRY_COMPILE([#include <sys/types.h>
-],[
-#ifndef $1
+cf_POSIX_C_SOURCE=ifelse($1,,199506L,$1)
+AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
+ CF_MSG_LOG(if the symbol is already defined go no further)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _POSIX_C_SOURCE
make an error
-#endif],[cf_result=no],[cf_result=yes])
-AC_MSG_RESULT($cf_result)
-
-if test "$cf_result" = yes ; then
- CPPFLAGS="$CPPFLAGS ifelse($2,,-D$1,[-D$1=$2])"
-elif test "x$2" != "x" ; then
- AC_MSG_CHECKING(checking for compatible value versus $2)
- AC_TRY_COMPILE([#include <sys/types.h>
-],[
-#if $1-$2 < 0
+#endif],
+ [cf_cv_posix_c_source=no],
+ [cf_want_posix_source=no
+ case .$cf_POSIX_C_SOURCE in
+ .[[12]]??*)
+ cf_cv_posix_c_source="-U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ ;;
+ .2)
+ cf_cv_posix_c_source="-U_POSIX_C_SOURCE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
+ cf_want_posix_source=yes
+ ;;
+ .*)
+ cf_want_posix_source=yes
+ ;;
+ esac
+ if test "$cf_want_posix_source" = yes ; then
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _POSIX_SOURCE
make an error
-#endif],[cf_result=yes],[cf_result=no])
- AC_MSG_RESULT($cf_result)
- if test "$cf_result" = no ; then
- # perhaps we can override it - try...
- CPPFLAGS="$CPPFLAGS -D$1=$2"
- fi
-fi
+#endif],[],
+ cf_cv_posix_c_source="$cf_cv_posix_c_source -U_POSIX_SOURCE -D_POSIX_SOURCE")
+ fi
+ CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
+ cf_save="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
+ CF_MSG_LOG(if the second compile does not leave our definition intact error)
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _POSIX_C_SOURCE
+make an error
+#endif],,
+ [cf_cv_posix_c_source=no])
+ CPPFLAGS="$cf_save"
+ ])
+])
+test "$cf_cv_posix_c_source" != no && CPPFLAGS="$CPPFLAGS $cf_cv_posix_c_source"
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_SUBDIR_PATH version: 3 updated: 2002/12/29 18:30:46
fi
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_VERBOSE version: 2 updated: 1997/09/05 10:45:14
+dnl ----------
+dnl Use AC_VERBOSE w/o the warnings
+AC_DEFUN([CF_VERBOSE],
+[test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
dnl ------------------
dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
cf_cv_curses_dir=$withval],
[cf_cv_curses_dir=no])
])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_XOPEN_SOURCE version: 17 updated: 2005/02/06 12:07:45
+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.
+dnl
+dnl Parameters:
+dnl $1 is the nominal value for _XOPEN_SOURCE
+dnl $2 is the nominal value for _POSIX_C_SOURCE
+AC_DEFUN([CF_XOPEN_SOURCE],[
+
+cf_XOPEN_SOURCE=ifelse($1,,500,$1)
+cf_POSIX_C_SOURCE=ifelse($2,,199506L,$2)
+
+case $host_os in #(vi
+aix[[45]]*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_ALL_SOURCE"
+ ;;
+freebsd*) #(vi
+ # 5.x headers associate
+ # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
+ # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
+ cf_POSIX_C_SOURCE=200112L
+ cf_XOPEN_SOURCE=600
+ CPPFLAGS="$CPPFLAGS -D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
+ ;;
+hpux*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE"
+ ;;
+irix[[56]].*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_SGI_SOURCE"
+ ;;
+linux*|gnu*) #(vi
+ CF_GNU_SOURCE
+ ;;
+mirbsd*) #(vi
+ # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
+ ;;
+netbsd*) #(vi
+ # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
+ ;;
+openbsd*) #(vi
+ # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
+ ;;
+osf[[45]]*) #(vi
+ CPPFLAGS="$CPPFLAGS -D_OSF_SOURCE"
+ ;;
+sco*) #(vi
+ # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
+ ;;
+solaris*) #(vi
+ CPPFLAGS="$CPPFLAGS -D__EXTENSIONS__"
+ ;;
+*)
+ AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
+ AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+ [cf_cv_xopen_source=no],
+ [cf_save="$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"
+ ])
+])
+test "$cf_cv_xopen_source" != no && CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE -D_XOPEN_SOURCE=$cf_cv_xopen_source"
+ CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
+ ;;
+esac
+])
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