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aclocal.m4
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aclocal.m4
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# <<< smr.m4 from smr_macros 0.2.4 >>>
dnl ####################### -*- Mode: M4 -*- ###########################
dnl smr.m4 --
dnl
dnl Copyright (C) 1999 Matthew D. Langston <[email protected]>
dnl Copyright (C) 1998 Steve Robbins <[email protected]>
dnl
dnl This file is free software; you can redistribute it and/or modify it
dnl under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl This file is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this file; if not, write to:
dnl
dnl Free Software Foundation, Inc.
dnl Suite 330
dnl 59 Temple Place
dnl Boston, MA 02111-1307, USA.
dnl ####################################################################
dnl NOTE: The macros in this file are extensively documented in the
dnl accompanying `smr_macros.texi' Texinfo file. Please see the
dnl Texinfo documentation for the definitive specification of how
dnl these macros are supposed to work. If the macros work
dnl differently than the Texinfo documentation says they should,
dnl then the macros (and not the Texinfo documentation) has the
dnl bug(s).
dnl This is a convenient macro which translates illegal characters for
dnl bourne shell variables into legal characters. It has the same
dnl functionality as sed 'y%./+-:%__p__%'.
AC_DEFUN([smr_safe_translation], [patsubst(patsubst([$1], [+], [p]), [./-:], [_])])
AC_DEFUN(smr_SWITCH,
[
dnl Define convenient aliases for the arguments since there are so
dnl many of them and I keep confusing myself whenever I have to edit
dnl this macro.
pushdef([smr_name], $1)
pushdef([smr_help_string], $2)
pushdef([smr_default], $3)
pushdef([smr_yes_define], $4)
pushdef([smr_no_define], $5)
dnl Do some sanity checking of the arguments.
ifelse([regexp(smr_default, [^\(yes\|no\)$])], -1, [AC_MSG_ERROR($0: third arg must be either yes or no)])
dnl Create the help string
pushdef([smr_lhs], [--ifelse(smr_default, yes, disable, enable)-smr_name])dnl
pushdef([smr_rhs], [ifelse(smr_default, yes, disable, enable) smr_help_string (default is smr_default)])dnl
dnl Add the option to `configure --help'. We don't need to supply the
dnl 4th argument to AC_ARG_ENABLE (i.e. the code to set the default
dnl value) because that is done below by AC_CACHE_CHECK.
AC_ARG_ENABLE([smr_name],
AC_HELP_STRING([smr_lhs], [smr_rhs]),
smr_cv_enable_[]smr_name=$enableval)
dnl We cache the result so that the user doesn't have to remember
dnl which flags they passed to `configure'.
AC_CACHE_CHECK([whether to enable smr_help_string],
smr_cv_enable_[]smr_name,
smr_cv_enable_[]smr_name=smr_default)
ifelse(smr_yes_define, , , test x"[$]smr_cv_enable_[]smr_name" = xyes && AC_DEFINE(smr_yes_define))
ifelse(smr_no_define, , , test x"[$]smr_cv_enable_[]smr_name" = xno && AC_DEFINE(smr_no_define))
dnl Sanity check the value assigned to smr_cv_enable_$1 to force it to
dnl be either `yes' or `no'.
if test ! x"[$]smr_cv_enable_[]smr_name" = xyes; then
if test ! x"[$]smr_cv_enable_[]smr_name" = xno; then
AC_MSG_ERROR([smr_lhs must be either yes or no])
fi
fi
popdef([smr_name])
popdef([smr_help_string])
popdef([smr_default])
popdef([smr_yes_define])
popdef([smr_no_define])
popdef([smr_lhs])
popdef([smr_rhs])
])
AC_DEFUN(smr_ARG_WITHLIB,
[
dnl Define convenient aliases for the arguments since there are so
dnl many of them and I keep confusing myself whenever I have to edit
dnl this macro.
pushdef([smr_name], $1)
pushdef([smr_libname], ifelse($2, , smr_name, $2))
pushdef([smr_help_string], $3)
pushdef([smr_safe_name], smr_safe_translation(smr_name))
dnl Add the option to `configure --help'. We don't need to supply the
dnl 4th argument to AC_ARG_WITH (i.e. the code to set the default
dnl value) because that is done below by AC_CACHE_CHECK.
AC_ARG_WITH(smr_safe_name-library,
AC_HELP_STRING([--with-smr_safe_name-library[[=PATH]]],
[use smr_name library ifelse(smr_help_string, , , (smr_help_string))]),
smr_cv_with_[]smr_safe_name[]_library=$withval)
dnl We cache the result so that the user doesn't have to remember
dnl which flags they passed to `configure'.
AC_CACHE_CHECK([whether to use smr_name library],
smr_cv_with_[]smr_safe_name[]_library,
smr_cv_with_[]smr_safe_name[]_library=maybe)
case x"[$]smr_cv_with_[]smr_safe_name[]_library" in
xyes | xmaybe)
smr_safe_name[]_LIBS="-l[]smr_libname"
with_[]smr_safe_name=[$]smr_cv_with_[]smr_safe_name[]_library
;;
xno)
smr_safe_name[]_LIBS=
with_[]smr_safe_name=no
;;
*)
if test -f "[$]smr_cv_with_[]smr_safe_name[]_library"; then
smr_safe_name[]_LIBS=[$]smr_cv_with_[]smr_safe_name[]_library
elif test -d "[$]smr_cv_with_[]smr_safe_name[]_library"; then
smr_safe_name[]_LIBS="-L[$]smr_cv_with_[]smr_safe_name[]_library -l[]smr_libname"
else
AC_MSG_ERROR([argument must be boolean, file, or directory])
fi
with_[]smr_safe_name=yes
;;
esac
popdef([smr_name])
popdef([smr_libname])
popdef([smr_help_string])
popdef([smr_safe_name])
])
AC_DEFUN(smr_ARG_WITHINCLUDES,
[
dnl Define convenient aliases for the arguments since there are so
dnl many of them and I keep confusing myself whenever I have to edit
dnl this macro.
pushdef([smr_name], $1)
pushdef([smr_header], $2)
pushdef([smr_extra_flags], $3)
pushdef([smr_safe_name], smr_safe_translation(smr_name))
dnl Add the option to `configure --help'. We don't need to supply the
dnl 4th argument to AC_ARG_WITH (i.e. the code to set the default
dnl value) because that is done below by AC_CACHE_CHECK.
AC_ARG_WITH(smr_safe_name-includes,
AC_HELP_STRING([--with-smr_safe_name-includes[[=DIR]]],
[set directory for smr_name headers]),
smr_cv_with_[]smr_safe_name[]_includes=$withval)
dnl We cache the result so that the user doesn't have to remember
dnl which flags they passed to `configure'.
AC_CACHE_CHECK([where to find the smr_name header files],
smr_cv_with_[]smr_safe_name[]_includes,
smr_cv_with_[]smr_safe_name[]_includes=)
if test ! x"[$]smr_cv_with_[]smr_safe_name[]_includes" = x; then
if test -d "[$]smr_cv_with_[]smr_safe_name[]_includes"; then
smr_safe_name[]_CFLAGS="-I[$]smr_cv_with_[]smr_safe_name[]_includes"
else
AC_MSG_ERROR([argument must be a directory])
fi
else
smr_safe_name[]_CFLAGS=
fi
dnl This bit of logic comes from the autoconf AC_PROG_CC macro. We
dnl need to put the given include directory into CPPFLAGS temporarily,
dnl but then restore CPPFLAGS to its old value.
smr_test_CPPFLAGS="${CPPFLAGS+set}"
smr_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS [$]smr_safe_name[]_CFLAGS smr_extra_flags"
dnl If the header file smr_header exists, then define
dnl HAVE_[]smr_header (in all capitals).
AC_CHECK_HEADERS([smr_header],
smr_have_[]smr_safe_name[]_header=yes,
smr_have_[]smr_safe_name[]_header=no)
if test x"$smr_test_CPPFLAGS" = xset; then
CPPFLAGS=$smr_save_CPPFLAGS
else
unset CPPFLAGS
fi
popdef([smr_name])
popdef([smr_header])
popdef([smr_extra_flags])
popdef([smr_safe_name])
])
AC_DEFUN(smr_CHECK_LIB,
[
dnl Define convenient aliases for the arguments since there are so
dnl many of them and I keep confusing myself whenever I have to edit
dnl this macro.
pushdef([smr_name], $1)
pushdef([smr_libname], ifelse($2, , smr_name, $2))
pushdef([smr_help_string], $3)
pushdef([smr_function], $4)
pushdef([smr_header], $5)
pushdef([smr_extra_libs], $6)
pushdef([smr_extra_flags], $7)
pushdef([smr_prototype], $8)
pushdef([smr_safe_name], smr_safe_translation(smr_name))
dnl Give the user (via "configure --help") an interface to specify
dnl whether we should use the library or not, and possibly where we
dnl should find it.
smr_ARG_WITHLIB([smr_name], [smr_libname], [smr_help_string])
if test ! x"$with_[]smr_safe_name" = xno; then
# If we got this far, then the user didn't explicitly ask not to use
# the library.
dnl If the caller of smr_CHECK_LIB specified a header file for this
dnl library, then give the user (via "configure --help") an
dnl interface to specify where this header file can be found (if it
dnl isn't found by the compiler by default).
ifelse(smr_header, , , [smr_ARG_WITHINCLUDES(smr_name, smr_header, smr_extra_flags)])
# We need only look for the library if the header has been found
# (or no header is needed).
if test [$]smr_have_[]smr_safe_name[]_header != no; then
AC_CHECK_LIB(smr_libname,
smr_function,
smr_have_[]smr_safe_name[]_library=yes,
smr_have_[]smr_safe_name[]_library=no,
[$]smr_safe_name[]_CFLAGS [smr_extra_flags] [$]smr_safe_name[]_LIBS [smr_extra_libs],
[ifelse(smr_prototype, , , [[#]include <smr_header>])],
smr_prototype)
fi
if test x"[$]smr_have_[]smr_safe_name[]_library" = xyes; then
AC_MSG_RESULT([using smr_name library])
else
smr_safe_name[]_LIBS=
smr_safe_name[]_CFLAGS=
if test x"$with_[]smr_safe_name" = xmaybe; then
AC_MSG_RESULT([not using smr_name library])
else
AC_MSG_WARN([requested smr_name library not found!])
fi
fi
fi
popdef([smr_name])
popdef([smr_libname])
popdef([smr_help_string])
popdef([smr_function])
popdef([smr_header])
popdef([smr_extra_libs])
popdef([smr_extra_flags])
popdef([smr_prototype])
popdef([smr_safe_name])
])