freebsd-src/contrib/ntp/aclocal.m4
2000-01-28 14:55:50 +00:00

422 lines
13 KiB
Plaintext

dnl aclocal.m4 generated automatically by aclocal 1.4a
dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
dnl PARTICULAR PURPOSE.
# Like AC_CONFIG_HEADER, but automatically create stamp file.
AC_DEFUN(AM_CONFIG_HEADER,
[AC_PREREQ([2.12])
AC_CONFIG_HEADER([$1])
dnl When config.status generates a header, we must update the stamp-h file.
dnl This file resides in the same directory as the config header
dnl that is generated. We must strip everything past the first ":",
dnl and everything past the last "/".
AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
<<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
<<am_indx=1
for am_file in <<$1>>; do
case " <<$>>CONFIG_HEADERS " in
*" <<$>>am_file "*<<)>>
echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
;;
esac
am_indx=`expr "<<$>>am_indx" + 1`
done<<>>dnl>>)
changequote([,]))])
# Do all the work for Automake. This macro actually does too much --
# some checks are only needed if your package does certain things.
# But this isn't really a big deal.
# serial 1
dnl Usage:
dnl AM_INIT_AUTOMAKE(package,version, [no-define])
AC_DEFUN(AM_INIT_AUTOMAKE,
[AC_REQUIRE([AC_PROG_INSTALL])
dnl We require 2.13 because we rely on SHELL being computed by configure.
AC_PREREQ([2.13])
PACKAGE=[$1]
AC_SUBST(PACKAGE)
VERSION=[$2]
AC_SUBST(VERSION)
dnl test to see if srcdir already configured
if test "`CDPATH=: && cd $srcdir && pwd`" != "`pwd`" &&
test -f $srcdir/config.status; then
AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
fi
ifelse([$3],,
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
AC_REQUIRE([AM_SANITY_CHECK])
AC_REQUIRE([AC_ARG_PROGRAM])
AM_MISSING_PROG(ACLOCAL, aclocal)
AM_MISSING_PROG(AUTOCONF, autoconf)
AM_MISSING_PROG(AUTOMAKE, automake)
AM_MISSING_PROG(AUTOHEADER, autoheader)
AM_MISSING_PROG(MAKEINFO, makeinfo)
AM_MISSING_PROG(AMTAR, tar)
AM_MISSING_INSTALL_SH
dnl We need awk for the "check" target. The system "awk" is bad on
dnl some platforms.
AC_REQUIRE([AC_PROG_AWK])
AC_REQUIRE([AC_PROG_MAKE_SET])
AC_REQUIRE([AM_DEP_TRACK])
AC_REQUIRE([AM_SET_DEPDIR])
ifdef([AC_PROVIDE_AC_PROG_CC], [AM_DEPENDENCIES(CC)], [
define([AC_PROG_CC], defn([AC_PROG_CC])[AM_DEPENDENCIES(CC)])])
ifdef([AC_PROVIDE_AC_PROG_CXX], [AM_DEPENDENCIES(CXX)], [
define([AC_PROG_CXX], defn([AC_PROG_CXX])[AM_DEPENDENCIES(CXX)])])
])
#
# Check to make sure that the build environment is sane.
#
AC_DEFUN(AM_SANITY_CHECK,
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftestfile
# Do `set' in a subshell so we don't clobber the current shell's
# arguments. Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
if test "[$]*" = "X"; then
# -L didn't work.
set X `ls -t $srcdir/configure conftestfile`
fi
if test "[$]*" != "X $srcdir/configure conftestfile" \
&& test "[$]*" != "X conftestfile $srcdir/configure"; then
# If neither matched, then we have a broken ls. This can happen
# if, for instance, CONFIG_SHELL is bash and it inherits a
# broken ls alias from the environment. This has actually
# happened. Such a system could not be considered "sane".
AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
alias in your environment])
fi
test "[$]2" = conftestfile
)
then
# Ok.
:
else
AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
rm -f conftest*
AC_MSG_RESULT(yes)])
dnl AM_MISSING_PROG(NAME, PROGRAM)
AC_DEFUN(AM_MISSING_PROG, [
AC_REQUIRE([AM_MISSING_HAS_RUN])
$1=${$1-"${am_missing_run}$2"}
AC_SUBST($1)])
dnl Like AM_MISSING_PROG, but only looks for install-sh.
dnl AM_MISSING_INSTALL_SH()
AC_DEFUN(AM_MISSING_INSTALL_SH, [
AC_REQUIRE([AM_MISSING_HAS_RUN])
if test -z "$install_sh"; then
install_sh="$ac_aux_dir/install-sh"
test -f "$install_sh" || install_sh="$ac_aux_dir/install.sh"
test -f "$install_sh" || install_sh="${am_missing_run}${ac_auxdir}/install-sh"
dnl FIXME: an evil hack: we remove the SHELL invocation from
dnl install_sh because automake adds it back in. Sigh.
install_sh="`echo $install_sh | sed -e 's/\${SHELL}//'`"
fi
AC_SUBST(install_sh)])
dnl AM_MISSING_HAS_RUN.
dnl Define MISSING if not defined so far and test if it supports --run.
dnl If it does, set am_missing_run to use it, otherwise, to nothing.
AC_DEFUN([AM_MISSING_HAS_RUN], [
test x"${MISSING+set}" = xset || \
MISSING="\${SHELL} `CDPATH=: && cd $ac_aux_dir && pwd`/missing"
dnl Use eval to expand $SHELL
if eval "$MISSING --run :"; then
am_missing_run="$MISSING --run "
else
am_missing_run=
AC_MSG_WARN([\`missing' script is too old or missing])
fi
])
dnl See how the compiler implements dependency checking.
dnl Usage:
dnl AM_DEPENDENCIES(NAME)
dnl NAME is "CC", "CXX" or "OBJC".
dnl We try a few techniques and use that to set a single cache variable.
AC_DEFUN(AM_DEPENDENCIES,[
AC_REQUIRE([AM_SET_DEPDIR])
AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])
ifelse([$1],CC,[
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CPP])
depcc="$CC"
depcpp="$CPP"],[$1],CXX,[
AC_REQUIRE([AC_PROG_CXX])
AC_REQUIRE([AC_PROG_CXXCPP])
depcc="$CXX"
depcpp="$CXXCPP"],[$1],OBJC,[
am_cv_OBJC_dependencies_compiler_type=gcc],[
AC_REQUIRE([AC_PROG_][$1])
depcc="$[$1]"
depcpp=""])
AC_MSG_CHECKING([dependency style of $depcc])
AC_CACHE_VAL(am_cv_[$1]_dependencies_compiler_type,[
if test -z "$AMDEP"; then
echo '#include "conftest.h"' > conftest.c
echo 'int i;' > conftest.h
am_cv_[$1]_dependencies_compiler_type=none
for depmode in `sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < "$am_depcomp"`; do
case "$depmode" in
nosideeffect)
# after this tag, mechanisms are not by side-effect, so they'll
# only be used when explicitly requested
if test "x$enable_dependency_tracking" = xyes; then
continue
else
break
fi
;;
none) break ;;
esac
if depmode="$depmode" \
source=conftest.c object=conftest.o \
depfile=conftest.Po tmpdepfile=conftest.TPo \
$SHELL $am_depcomp $depcc -c conftest.c 2>/dev/null &&
grep conftest.h conftest.Po > /dev/null 2>&1; then
am_cv_[$1]_dependencies_compiler_type="$depmode"
break
fi
done
rm -f conftest.*
else
am_cv_[$1]_dependencies_compiler_type=none
fi
])
AC_MSG_RESULT($am_cv_[$1]_dependencies_compiler_type)
[$1]DEPMODE="depmode=$am_cv_[$1]_dependencies_compiler_type"
AC_SUBST([$1]DEPMODE)
])
dnl Choose a directory name for dependency files.
dnl This macro is AC_REQUIREd in AM_DEPENDENCIES
AC_DEFUN(AM_SET_DEPDIR,[
if test -d .deps || mkdir .deps 2> /dev/null || test -d .deps; then
DEPDIR=.deps
else
DEPDIR=_deps
fi
AC_SUBST(DEPDIR)
])
AC_DEFUN(AM_DEP_TRACK,[
AC_ARG_ENABLE(dependency-tracking,
[ --disable-dependency-tracking Speeds up one-time builds
--enable-dependency-tracking Do not reject slow dependency extractors])
if test "x$enable_dependency_tracking" = xno; then
AMDEP="#"
else
am_depcomp="$ac_aux_dir/depcomp"
if test ! -f "$am_depcomp"; then
AMDEP="#"
else
AMDEP=
fi
fi
AC_SUBST(AMDEP)
if test -z "$AMDEP"; then
AMDEPBACKSLASH='\'
else
AMDEPBACKSLASH=
fi
pushdef([subst], defn([AC_SUBST]))
subst(AMDEPBACKSLASH)
popdef([subst])
])
dnl Generate code to set up dependency tracking.
dnl This macro should only be invoked once -- use via AC_REQUIRE.
dnl Usage:
dnl AM_OUTPUT_DEPENDENCY_COMMANDS
dnl
dnl This code is only required when automatic dependency tracking
dnl is enabled. FIXME. This creates each `.P' file that we will
dnl need in order to bootstrap the dependency handling code.
AC_DEFUN(AM_OUTPUT_DEPENDENCY_COMMANDS,[
AC_OUTPUT_COMMANDS([
test x"$AMDEP" != x"" ||
for mf in $CONFIG_FILES; do
case "$mf" in
Makefile) dirpart=.;;
*/Makefile) dirpart=`echo "$mf" | sed -e 's|/[^/]*$||'`;;
*) continue;;
esac
grep '^DEP_FILES *= *[^ #]' < "$mf" > /dev/null || continue
# Extract the definition of DEP_FILES from the Makefile without
# running `make'.
DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
test -z "$DEPDIR" && continue
# When using ansi2knr, U may be empty or an underscore; expand it
U=`sed -n -e '/^U = / s///p' < "$mf"`
test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
# We invoke sed twice because it is the simplest approach to
# changing $(DEPDIR) to its actual value in the expansion.
for file in `sed -n -e '
/^DEP_FILES = .*\\\\$/ {
s/^DEP_FILES = //
:loop
s/\\\\$//
p
n
/\\\\$/ b loop
p
}
/^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
# Make sure the directory exists.
test -f "$dirpart/$file" && continue
fdir=`echo "$file" | sed -e 's|/[^/]*$||'`
$ac_aux_dir/mkinstalldirs "$dirpart/$fdir" > /dev/null 2>&1
# echo "creating $dirpart/$file"
echo '# dummy' > "$dirpart/$file"
done
done
], [AMDEP="$AMDEP"
ac_aux_dir="$ac_aux_dir"])])
# serial 1
AC_DEFUN(AM_C_PROTOTYPES,
[AC_REQUIRE([AM_PROG_CC_STDC])
AC_REQUIRE([AC_PROG_CPP])
AC_MSG_CHECKING([for function prototypes])
if test "$am_cv_prog_cc_stdc" != no; then
AC_MSG_RESULT(yes)
AC_DEFINE(PROTOTYPES,1,[Define if compiler has function prototypes])
U= ANSI2KNR=
else
AC_MSG_RESULT(no)
U=_ ANSI2KNR=./ansi2knr
# Ensure some checks needed by ansi2knr itself.
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h)
fi
AC_SUBST(U)dnl
AC_SUBST(ANSI2KNR)dnl
])
# serial 1
# @defmac AC_PROG_CC_STDC
# @maindex PROG_CC_STDC
# @ovindex CC
# If the C compiler in not in ANSI C mode by default, try to add an option
# to output variable @code{CC} to make it so. This macro tries various
# options that select ANSI C on some system or another. It considers the
# compiler to be in ANSI C mode if it handles function prototypes correctly.
#
# If you use this macro, you should check after calling it whether the C
# compiler has been set to accept ANSI C; if not, the shell variable
# @code{am_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
# code in ANSI C, you can make an un-ANSIfied copy of it by using the
# program @code{ansi2knr}, which comes with Ghostscript.
# @end defmac
AC_DEFUN(AM_PROG_CC_STDC,
[AC_REQUIRE([AC_PROG_CC])
AC_BEFORE([$0], [AC_C_INLINE])
AC_BEFORE([$0], [AC_C_CONST])
dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
dnl a magic option to avoid problems with ANSI preprocessor commands
dnl like #elif.
dnl FIXME: can't do this because then AC_AIX won't work due to a
dnl circular dependency.
dnl AC_BEFORE([$0], [AC_PROG_CPP])
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
AC_CACHE_VAL(am_cv_prog_cc_stdc,
[am_cv_prog_cc_stdc=no
ac_save_CC="$CC"
# 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 10.20 and later -Ae
# HP-UX older versions -Aa -D_HPUX_SOURCE
# SVR4 -Xc -D__EXTENSIONS__
for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
do
CC="$ac_save_CC $ac_arg"
AC_TRY_COMPILE(
[#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
struct buf { int x; };
FILE * (*rcsopen) (struct buf *, struct stat *, int);
static char *e (p, i)
char **p;
int i;
{
return p[i];
}
static char *f (char * (*g) (char **, int), char **p, ...)
{
char *s;
va_list v;
va_start (v,p);
s = g (p, va_arg (v,int));
va_end (v);
return s;
}
int test (int i, double x);
struct s1 {int (*f) (int a);};
struct s2 {int (*f) (double a);};
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
int argc;
char **argv;
], [
return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
],
[am_cv_prog_cc_stdc="$ac_arg"; break])
done
CC="$ac_save_CC"
])
if test -z "$am_cv_prog_cc_stdc"; then
AC_MSG_RESULT([none needed])
else
AC_MSG_RESULT($am_cv_prog_cc_stdc)
fi
case "x$am_cv_prog_cc_stdc" in
x|xno) ;;
*) CC="$CC $am_cv_prog_cc_stdc" ;;
esac
])