aclocal.m4

ncurses 库 可能有用酒用 没用就算了 我觉得还可以用

make an error
#endif],
	[cf_cv_gnu_source=no],
	[cf_cv_gnu_source=yes])
	CPPFLAGS="$cf_save"
	])
])
test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_GPP_LIBRARY version: 8 updated: 2003/02/02 01:41:46
dnl --------------
dnl If we're trying to use g++, test if libg++ is installed (a rather common
dnl problem :-).  If we have the compiler but no library, we'll be able to
dnl configure, but won't be able to build the c++ demo program.
AC_DEFUN([CF_GPP_LIBRARY],
[
cf_cxx_library=unknown
case $cf_cv_system_name in #(vi
os2*) #(vi
	cf_gpp_libname=gpp
	;;
*)
	cf_gpp_libname=g++
	;;
esac
if test "$GXX" = yes; then
	AC_MSG_CHECKING([for lib$cf_gpp_libname])
	cf_save="$LIBS"
	LIBS="$LIBS -l$cf_gpp_libname"
	AC_TRY_LINK([
#include <$cf_gpp_libname/builtin.h>
	],
	[two_arg_error_handler_t foo2 = lib_error_handler],
	[cf_cxx_library=yes
	 CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
	 if test "$cf_gpp_libname" = cpp ; then
	    AC_DEFINE(HAVE_GPP_BUILTIN_H)
	 else
	    AC_DEFINE(HAVE_GXX_BUILTIN_H)
	 fi],
	[AC_TRY_LINK([
#include <builtin.h>
	],
	[two_arg_error_handler_t foo2 = lib_error_handler],
	[cf_cxx_library=yes
	 CXXLIBS="$CXXLIBS -l$cf_gpp_libname"
	 AC_DEFINE(HAVE_BUILTIN_H)],
	[cf_cxx_library=no])])
	LIBS="$cf_save"
	AC_MSG_RESULT($cf_cxx_library)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_GXX_VERSION version: 5 updated: 2005/08/27 09:53:42
dnl --------------
dnl Check for version of g++
AC_DEFUN([CF_GXX_VERSION],[
AC_REQUIRE([AC_PROG_CPP])
GXX_VERSION=none
if test "$GXX" = yes; then
	AC_MSG_CHECKING(version of g++)
	GXX_VERSION="`${CXX-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
	test -z "$GXX_VERSION" && GXX_VERSION=unknown
	AC_MSG_RESULT($GXX_VERSION)
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_GXX_WARNINGS version: 5 updated: 2005/08/13 14:54:38
dnl ---------------
dnl Check if the compiler supports useful warning options.
dnl
dnl Most of gcc's options apply to g++, except:
dnl	-Wbad-function-cast
dnl	-Wmissing-declarations
dnl	-Wnested-externs
dnl
dnl Omit a few (for now):
dnl	-Winline
dnl
dnl Parameter:
dnl	$1 is an optional list of g++ warning flags that a particular
dnl		application might want to use, e.g., "no-unused" for
dnl		-Wno-unused
dnl Special:
dnl	If $with_ext_const is "yes", add a check for -Wwrite-strings
dnl
AC_DEFUN([CF_GXX_WARNINGS],
[

CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)

AC_REQUIRE([CF_GXX_VERSION])

AC_LANG_SAVE
AC_LANG_CPLUSPLUS

cat > conftest.$ac_ext <<EOF
#line __oline__ "configure"
int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
EOF

if test "$INTEL_CPLUSPLUS" = yes
then
# The "-wdXXX" options suppress warnings:
# remark #1419: external declaration in primary source file
# remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
# remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
# remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
# remark #193: zero used for undefined preprocessing identifier
# remark #593: variable "curs_sb_left_arrow" was set but never used
# remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
# remark #869: parameter "tw" was never referenced
# remark #981: operands are evaluated in unspecified order
# warning #269: invalid format string conversion

	AC_CHECKING([for $CC warning options])
	cf_save_CXXFLAGS="$CXXFLAGS"
	EXTRA_CXXFLAGS="-Wall"
	for cf_opt in \
		wd1419 \
		wd1682 \
		wd1683 \
		wd1684 \
		wd193 \
		wd279 \
		wd593 \
		wd810 \
		wd869 \
		wd981
	do
		CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
		if AC_TRY_EVAL(ac_compile); then
			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
			EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
		fi
	done
	CXXFLAGS="$cf_save_CXXFLAGS"

elif test "$GXX" = yes
then
	AC_CHECKING([for $CXX warning options])
	cf_save_CXXFLAGS="$CXXFLAGS"
	EXTRA_CXXFLAGS="-W -Wall"
	cf_gxx_extra_warnings=""
	test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
	case "$GCC_VERSION" in
	[[1-2]].*)
		;;
	*)
		cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
		;;
	esac
	for cf_opt in \
		Wabi \
		fabi-version=0 \
		Woverloaded-virtual \
		Wsign-promo \
		Wsynth \
		Wold-style-cast \
		Wcast-align \
		Wcast-qual \
		Wmissing-prototypes \
		Wpointer-arith \
		Wshadow \
		Wstrict-prototypes \
		Wundef $cf_gxx_extra_warnings $1
	do
		CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
		if AC_TRY_EVAL(ac_compile); then
			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
			EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
		else
			test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
		fi
	done
	CXXFLAGS="$cf_save_CXXFLAGS"
fi

rm -f conftest*
AC_LANG_RESTORE
AC_SUBST(EXTRA_CXXFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
dnl ---------------
dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
AC_DEFUN([CF_HELP_MESSAGE],
[AC_DIVERT_HELP([$1])dnl
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_INCLUDE_DIRS version: 4 updated: 2002/12/01 00:12:15
dnl ---------------
dnl Construct the list of include-options according to whether we're building
dnl in the source directory or using '--srcdir=DIR' option.  If we're building
dnl with gcc, don't append the includedir if it happens to be /usr/include,
dnl since that usually breaks gcc's shadow-includes.
AC_DEFUN([CF_INCLUDE_DIRS],
[
CPPFLAGS="-I. -I../include $CPPFLAGS"
if test "$srcdir" != "."; then
	CPPFLAGS="-I\$(srcdir)/../include $CPPFLAGS"
fi
if test "$GCC" != yes; then
	CPPFLAGS="$CPPFLAGS -I\$(includedir)"
elif test "$includedir" != "/usr/include"; then
	if test "$includedir" = '${prefix}/include' ; then
		if test $prefix != /usr ; then
			CPPFLAGS="$CPPFLAGS -I\$(includedir)"
		fi
	else
		CPPFLAGS="$CPPFLAGS -I\$(includedir)"
	fi
fi
AC_SUBST(CPPFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_INTEL_COMPILER version: 3 updated: 2005/08/06 18:37:29
dnl -----------------
dnl Check if the given compiler is really the Intel compiler for Linux.  It
dnl tries to imitate gcc, but does not return an error when it finds a mismatch
dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
dnl
dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
dnl the wrappers for gcc and g++ warnings.
dnl
dnl $1 = GCC (default) or GXX
dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
dnl $3 = CFLAGS (default) or CXXFLAGS
AC_DEFUN([CF_INTEL_COMPILER],[
ifelse($2,,INTEL_COMPILER,[$2])=no

if test "$ifelse($1,,[$1],GCC)" = yes ; then
	case $host_os in
	linux*|gnu*)
		AC_MSG_CHECKING(if this is really Intel ifelse($1,GXX,C++,C) compiler)
		cf_save_CFLAGS="$ifelse($3,,CFLAGS,[$3])"
		ifelse($3,,CFLAGS,[$3])="$ifelse($3,,CFLAGS,[$3]) -no-gcc"
		AC_TRY_COMPILE([],[
#ifdef __INTEL_COMPILER
#else
make an error
#endif
],[ifelse($2,,INTEL_COMPILER,[$2])=yes
cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
],[])
		ifelse($3,,CFLAGS,[$3])="$cf_save_CFLAGS"
		AC_MSG_RESULT($ifelse($2,,INTEL_COMPILER,[$2]))
		;;
	esac
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
dnl ----------
dnl Check if we have either a function or macro for 'isascii()'.
AC_DEFUN([CF_ISASCII],
[
AC_MSG_CHECKING(for isascii)
AC_CACHE_VAL(cf_cv_have_isascii,[
	AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
	[cf_cv_have_isascii=yes],
	[cf_cv_have_isascii=no])
])dnl
AC_MSG_RESULT($cf_cv_have_isascii)
test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_LARGEFILE version: 5 updated: 2005/07/17 11:03:36
dnl ------------
dnl Add checks for large file support.
AC_DEFUN([CF_LARGEFILE],[
ifdef([AC_FUNC_FSEEKO],[
	AC_FUNC_FSEEKO
	AC_SYS_LARGEFILE

	# Normally we would collect these definitions in the config.h,
	# but (like _XOPEN_SOURCE), some environments rely on having these
	# defined before any of the system headers are included.  Another
	# case comes up with C++, e.g., on AIX the compiler compiles the
	# header files by themselves before looking at the body files it is
	# told to compile.  For ncurses, those header files do not include
	# the config.h
	test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
	test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "

	AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
		AC_TRY_COMPILE([
#include <sys/types.h>
#include <dirent.h>
		],[
		/* if transitional largefile support is setup, this is true */
		extern struct dirent64 * readdir(DIR *);
		struct dirent64 *x = readdir((DIR *)0);
		struct dirent *y = readdir((DIR *)0);
		int z = x - y;
		],
		[cf_cv_struct_dirent64=yes],
		[cf_cv_struct_dirent64=no])
	])
	test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
])
])
dnl ---------------------------------------------------------------------------
dnl CF_LIBUTF8 version: 2 updated: 2002/01/19 22:51:32
dnl ----------
dnl Check for libutf8
AC_DEFUN([CF_LIBUTF8],
[
AC_CACHE_CHECK(for putwc in libutf8,cf_cv_libutf8,[
	cf_save_LIBS="$LIBS"
	LIBS="-lutf8 $LIBS"
AC_TRY_LINK([
#include <libutf8.h>],[putwc(0,0);],
	[cf_cv_libutf8=yes],
	[cf_cv_libutf8=no])
	LIBS="$cf_save_LIBS"
])

if test "$cf_cv_libutf8" = yes ; then
	AC_DEFINE(HAVE_LIBUTF8_H)
	LIBS="-lutf8 $LIBS"
fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_LIB_PREFIX version: 7 updated: 2001/01/12 01:23:48
dnl -------------
dnl Compute the library-prefix for the given host system
dnl $1 = variable to set
AC_DEFUN([CF_LIB_PREFIX],
[
	case $cf_cv_system_name in
	OS/2*)	LIB_PREFIX=''     ;;
	os2*)	LIB_PREFIX=''     ;;
	*)	LIB_PREFIX='lib'  ;;
	esac
ifelse($1,,,[$1=$LIB_PREFIX])
	AC_SUBST(LIB_PREFIX)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_LIB_RULES version: 36 updated: 2005/05/28 13:16:28
dnl ------------
dnl Append definitions and rules for the given models to the subdirectory
dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
dnl subdirectory is a library-source directory, modify the LIBRARIES list in
dnl the corresponding makefile to list the models that we'll generate.
dnl
dnl For shared libraries, make a list of symbolic links to construct when
dnl generating each library.  The convention used for Linux is the simplest
dnl one:
dnl	lib<name>.so	->
dnl	lib<name>.so.<major>	->
dnl	lib<name>.so.<maj>.<minor>
AC_DEFUN([CF_LIB_RULES],
[
CF_LIB_PREFIX(cf_prefix)
AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
for cf_dir in $SRC_SUBDIRS
do
	if test -f $srcdir/$cf_dir/modules; then

		IMPORT_LIB=
		SHARED_LIB=
		LIBS_TO_MAKE=
		for cf_item in $CF_LIST_MODELS
		do
			CF_LIB_SUFFIX($cf_item,cf_suffix)
			if test $cf_item = shared ; then
			if test "$cf_cv_do_symlinks" = yes ; then
				case "$cf_cv_shlib_version" in #(vi
				rel) #(vi
					case "$cf_cv_system_name" in #(vi
					darwin*)
					case .${LIB_SUFFIX} in
					.w*)
						cf_suffix=`echo $cf_suffix | sed 's/^w//'`
						cf_suffix=w'.$(REL_VERSION)'"$cf_suffix"
						;;
					*)
						cf_suffix='.$(REL_VERSION)'"$cf_suffix"
						;;
					esac
					;; #(vi
					*) cf_suffix="$cf_suffix"'.$(REL_VERSION)' ;;
					esac
					;;
				abi)
					case "$cf_cv_system_name" in #(vi
					darwin*)
					case .${LIB_SUFFIX} in
					.w*)
						cf_suffix=`echo $cf_suffix | sed 's/^w//'`
						cf_suffix=w'.$(ABI_VERSION)'"$cf_suffix"
						;;
					*)
						cf_suffix='.$(ABI_VERSION)'"$cf_suffix"
						;;
					esac
					;; #(vi
					*) cf_suffix="$cf_suffix"'.$(ABI_VERSION)' ;;
					esac
					;;
				esac
			fi
			# cygwin needs import library, and has unique naming convention
			# use autodetected ${cf_prefix} for import lib and static lib, but
			# use 'cyg' prefix for shared lib.
			if test $cf_cv_shlib_version = cygdll ; then
				SHARED_LIB="../lib/cyg${cf_dir}\$(ABI_VERSION).dll"
				IMPORT_LIB="../lib/${cf_prefix}${cf_dir}.dll.a"
				LIBS_TO_MAKE="$LIBS_TO_MAKE \$(SHARED_LIB) \$(IMPORT_LIB)"
				continue
			fi
			fi
			LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
		done

		if test $cf_dir = ncurses ; then
			cf_subsets="$LIB_SUBSETS"
			cf_termlib=`echo "$cf_subsets" |sed -e 's/ .*$//'`
			if test "$cf_termlib" != "$cf_subsets" ; then
				cf_item=`echo $LIBS_TO_MAKE |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
				LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
			fi
		else
			cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
		fi

		sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
		    -e "s%@IMPORT_LIB@%$IMPORT_LIB%" \
		    -e "s%@SHARED_LIB@%$SHARED_LIB%" \
			$cf_dir/Makefile >$cf_dir/Makefile.out
		mv $cf_dir/Makefile.out $cf_dir/Makefile

		$AWK -f $srcdir/mk-0th.awk \
			libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" \
			$srcdir/$cf_dir/modules >>$cf_dir/Makefile

		for cf_subset in $cf_subsets
		do
			cf_subdirs=
			for cf_item in $CF_LIST_MODELS
			do
			echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
			CF_UPPER(cf_ITEM,$cf_item)
			CF_LIB_SUFFIX($cf_item,cf_suffix)
			CF_OBJ_SUBDIR($cf_item,cf_subdir)

			# Test for case where we build libtinfo with a different name.
			cf_libname=$cf_dir