aclocal.m4

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

dnl***************************************************************************
dnl Copyright (c) 1998-2004,2005 Free Software Foundation, Inc.              *
dnl                                                                          *
dnl Permission is hereby granted, free of charge, to any person obtaining a  *
dnl copy of this software and associated documentation files (the            *
dnl "Software"), to deal in the Software without restriction, including      *
dnl without limitation the rights to use, copy, modify, merge, publish,      *
dnl distribute, distribute with modifications, sublicense, and/or sell       *
dnl copies of the Software, and to permit persons to whom the Software is    *
dnl furnished to do so, subject to the following conditions:                 *
dnl                                                                          *
dnl The above copyright notice and this permission notice shall be included  *
dnl in all copies or substantial portions of the Software.                   *
dnl                                                                          *
dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
dnl                                                                          *
dnl Except as contained in this notice, the name(s) of the above copyright   *
dnl holders shall not be used in advertising or otherwise to promote the     *
dnl sale, use or other dealings in this Software without prior written       *
dnl authorization.                                                           *
dnl***************************************************************************
dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
dnl $Id: aclocal.m4,v 1.373 2005/09/24 21:58:59 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl See http://invisible-island.net/autoconf/ for additional information.
dnl
dnl ---------------------------------------------------------------------------
dnl ---------------------------------------------------------------------------
dnl AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
dnl -------------------
dnl Inserted as requested by gettext 0.10.40
dnl File from /usr/share/aclocal
dnl codeset.m4
dnl ====================
dnl serial AM1
dnl
dnl From Bruno Haible.
AC_DEFUN([AM_LANGINFO_CODESET],
[
  AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
    [AC_TRY_LINK([#include <langinfo.h>],
      [char* cs = nl_langinfo(CODESET);],
      am_cv_langinfo_codeset=yes,
      am_cv_langinfo_codeset=no)
    ])
  if test $am_cv_langinfo_codeset = yes; then
    AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
      [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ADA_INCLUDE_DIRS version: 4 updated: 2002/12/01 00:12:15
dnl -------------------
dnl Construct the list of include-options for the C programs in the Ada95
dnl binding.
AC_DEFUN([CF_ADA_INCLUDE_DIRS],
[
ACPPFLAGS="-I. -I../../include $ACPPFLAGS"
if test "$srcdir" != "."; then
	ACPPFLAGS="-I\$(srcdir)/../../include $ACPPFLAGS"
fi
if test "$GCC" != yes; then
	ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
elif test "$includedir" != "/usr/include"; then
	if test "$includedir" = '${prefix}/include' ; then
		if test $prefix != /usr ; then
			ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
		fi
	else
		ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
	fi
fi
AC_SUBST(ACPPFLAGS)
])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_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_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
dnl ------------
dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
dnl
dnl Treat the configuration-variable specially here, since we're directly
dnl substituting its value (i.e., 1/0).
dnl
dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
AC_DEFUN([CF_BOOL_DECL],
[
AC_MSG_CHECKING(if we should include stdbool.h)

AC_CACHE_VAL(cf_cv_header_stdbool_h,[
	AC_TRY_COMPILE([],[bool foo = false],
		[cf_cv_header_stdbool_h=0],
		[AC_TRY_COMPILE([
#ifndef __BEOS__
#include <stdbool.h>
#endif
],[bool foo = false],
			[cf_cv_header_stdbool_h=1],
			[cf_cv_header_stdbool_h=0])])])

if test "$cf_cv_header_stdbool_h" = 1
then	AC_MSG_RESULT(yes)
else	AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING([for builtin bool type])

AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
	AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
],[bool x = false],
		[ifelse($1,,cf_cv_builtin_bool,[$1])=1],
		[ifelse($1,,cf_cv_builtin_bool,[$1])=0])
	])

if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
then	AC_MSG_RESULT(yes)
else	AC_MSG_RESULT(no)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_BOOL_SIZE version: 10 updated: 2002/02/23 20:38:31
dnl ------------
dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
dnl Don't bother looking for bool.h, since it's been deprecated.
dnl
dnl If the current compiler is C rather than C++, we get the bool definition
dnl from <stdbool.h>.
AC_DEFUN([CF_BOOL_SIZE],
[
AC_MSG_CHECKING([for size of bool])
AC_CACHE_VAL(cf_cv_type_of_bool,[
	rm -f cf_test.out
	AC_TRY_RUN([
#include <stdlib.h>
#include <stdio.h>

#if defined(__cplusplus)

#ifdef HAVE_GXX_BUILTIN_H
#include <g++/builtin.h>
#elif HAVE_GPP_BUILTIN_H
#include <gpp/builtin.h>
#elif HAVE_BUILTIN_H
#include <builtin.h>
#endif

#else

#if $cf_cv_header_stdbool_h
#include <stdbool.h>
#endif

#endif

main()
{
	FILE *fp = fopen("cf_test.out", "w");
	if (fp != 0) {
		bool x = true;
		if ((bool)(-x) >= 0)
			fputs("unsigned ", fp);
		if (sizeof(x) == sizeof(int))       fputs("int",  fp);
		else if (sizeof(x) == sizeof(char)) fputs("char", fp);
		else if (sizeof(x) == sizeof(short))fputs("short",fp);
		else if (sizeof(x) == sizeof(long)) fputs("long", fp);
		fclose(fp);
	}
	exit(0);
}
		],
		[cf_cv_type_of_bool=`cat cf_test.out`
		 if test -z "$cf_cv_type_of_bool"; then
		   cf_cv_type_of_bool=unknown
		 fi],
		[cf_cv_type_of_bool=unknown],
		[cf_cv_type_of_bool=unknown])
	])
	rm -f cf_test.out
AC_MSG_RESULT($cf_cv_type_of_bool)
if test "$cf_cv_type_of_bool" = unknown ; then
	case .$NCURSES_BOOL in #(vi
	.auto|.) NCURSES_BOOL=unsigned;;
	esac
	AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
	cf_cv_type_of_bool=$NCURSES_BOOL
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_BUILD_CC version: 5 updated: 2005/09/24 17:55:52
dnl -----------
dnl If we're cross-compiling, allow the user to override the tools and their
dnl options.  The configure script is oriented toward identifying the host
dnl compiler, etc., but we need a build compiler to generate parts of the
dnl source.
dnl
dnl $1 = default for $CPPFLAGS
dnl $2 = default for $LIBS
AC_DEFUN([CF_BUILD_CC],[
AC_REQUIRE([CF_PROG_EXT])
if test "$cross_compiling" = yes ; then

	# defaults that we might want to override
	: ${BUILD_CFLAGS:=''}
	: ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
	: ${BUILD_LDFLAGS:=''}
	: ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
	: ${BUILD_EXEEXT:='$x'}
	: ${BUILD_OBJEXT:='o'}

	AC_ARG_WITH(build-cc,
		[  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
		[BUILD_CC="$withval"],
		[AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
	AC_MSG_CHECKING(for native build C compiler)
	AC_MSG_RESULT($BUILD_CC)

	AC_MSG_CHECKING(for native build C preprocessor)
	AC_ARG_WITH(build-cpp,
		[  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
		[BUILD_CPP="$withval"],
		[BUILD_CPP='$(BUILD_CC) -E'])
	AC_MSG_RESULT($BUILD_CPP)

	AC_MSG_CHECKING(for native build C flags)
	AC_ARG_WITH(build-cflags,
		[  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
		[BUILD_CFLAGS="$withval"])
	AC_MSG_RESULT($BUILD_CFLAGS)

	AC_MSG_CHECKING(for native build C preprocessor-flags)
	AC_ARG_WITH(build-cppflags,
		[  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
		[BUILD_CPPFLAGS="$withval"])
	AC_MSG_RESULT($BUILD_CPPFLAGS)

	AC_MSG_CHECKING(for native build linker-flags)
	AC_ARG_WITH(build-ldflags,
		[  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
		[BUILD_LDFLAGS="$withval"])
	AC_MSG_RESULT($BUILD_LDFLAGS)

	AC_MSG_CHECKING(for native build linker-libraries)
	AC_ARG_WITH(build-libs,
		[  --with-build-libs=XXX   the build libraries ($(BUILD_LIBS)],
		[BUILD_LIBS="$withval"])
	AC_MSG_RESULT($BUILD_LIBS)

	# this assumes we're on Unix.
	BUILD_EXEEXT=
	BUILD_OBJEXT=o

	: ${BUILD_CC:='$(CC)'}

	if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '$(CC)' ) ; then
		AC_MSG_ERROR([Cross-build requires two compilers.
Use --with-build-cc to specify the native compiler.])
	fi

else
	: ${BUILD_CC:='$(CC)'}
	: ${BUILD_CPP:='$(CPP)'}
	: ${BUILD_CFLAGS:='$(CFLAGS)'}
	: ${BUILD_CPPFLAGS:='$(CPPFLAGS)'}
	: ${BUILD_LDFLAGS:='$(LDFLAGS)'}
	: ${BUILD_LIBS:='$(LIBS)'}
	: ${BUILD_EXEEXT:='$x'}
	: ${BUILD_OBJEXT:='o'}
fi

AC_SUBST(BUILD_CC)
AC_SUBST(BUILD_CPP)
AC_SUBST(BUILD_CFLAGS)
AC_SUBST(BUILD_CPPFLAGS)
AC_SUBST(BUILD_LDFLAGS)
AC_SUBST(BUILD_LIBS)
AC_SUBST(BUILD_EXEEXT)
AC_SUBST(BUILD_OBJEXT)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CFG_DEFAULTS version: 7 updated: 2005/09/24 16:15:00
dnl ---------------
dnl Determine the default configuration into which we'll install ncurses.  This
dnl can be overridden by the user's command-line options.  There's two items to
dnl look for:
dnl	1. the prefix (e.g., /usr)
dnl	2. the header files (e.g., /usr/include/ncurses)
dnl We'll look for a previous installation of ncurses and use the same defaults.
dnl