File: configure.in

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dnl Process this file with autoconf to produce a configure script.

AC_INIT(src/macsys.lisp)

dnl If git is available, the version number here is not used.  
dnl Instead, git is used to derive the version based on the closest
dnl annotated branch tag.
AM_INIT_AUTOMAKE(maxima,5.27.0)

dnl See if git exists.  If it does, update VERSION to include a git tag
AC_CHECK_PROG(git_found, git, true, false)
if test x"${git_found}" = xtrue; then
    # Test to see if git describe works (discarding any output).  If
    # it works, use it.  Otherwise, fall back on the AM_INIT_AUTOMAKE version.
    if git describe > /dev/null 2>&1; then
        VERSION="`git describe --dirty`"
        # When building RPMs, hyphens in the version are not allowed, so
        # replace them with underscores.
        VERSION=`echo $VERSION | sed 's;-;_;g'`
        AC_MSG_RESULT(Sanitized VERSION derived from git is $VERSION)
    else
        AC_MSG_RESULT(git describe failed so let VERSION be $VERSION)
    fi
else
    AC_MSG_RESULT(git not present so let VERSION be $VERSION)
fi

AM_PATH_LISPDIR

AC_CANONICAL_HOST
case "$host" in
        *mingw*)
                win32=true
                mingw=true 
                ;;
        *cygwin*)
                win32=true
                mingw=false
                ;;
        *)
                win32=false
                mingw=false
esac
AC_SUBST(win32)
AM_CONDITIONAL(WIN32, test x$win32 = xtrue)

explicit_lisp=false

dnl n.b. clisp_default_name is hardcoded in "with" message
clisp_default_name=clisp
AC_ARG_ENABLE(clisp,
	[  --enable-clisp               Use clisp],
     	[case "${enableval}" in
       		yes) clisp=true 
                     explicit_lisp=true ;;
       		no)  clisp=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-clisp) ;;
     	esac
	explicit_lisp=true],
	[clisp=false])
AC_ARG_WITH(clisp,
	[  --with-clisp=<prog>         Use clisp executable <prog> (default clisp)],
	[clisp=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		CLISP_NAME="${clisp_default_name}"
	else
		CLISP_NAME="$withval"
	fi],
	[CLISP_NAME=${clisp_default_name}])
if test x"${win32}" = x"true" ; then
   	CLISP_RUNTIME="lisp.exe"
else
	CLISP_RUNTIME="lisp.run"
fi
AC_ARG_WITH(clisp-runtime,
	[  --with-clisp-runtime=<path>  Use clisp runtime <path> (default
	                          *lib-directory*/base/lisp.run on unix,
	   		          *lib-directory*\\lisp.exe on windows) ],
	[clisp=true
	CLISP_RUNTIME_PATH="$withval"
	CLISP_RUNTIME=`basename ${CLISP_RUNTIME_PATH}`],
	[])
if test x"${clisp}" = xtrue ; then
	if test `echo "$CLISP_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$CLISP_NAME" ; then
			clisp_found=true
		else
			clisp_found=false
		fi
	else
		AC_CHECK_PROG(clisp_found,$CLISP_NAME,true,false)
	fi
	if test x"${clisp_found}" = xfalse ; then
		AC_MSG_WARN(clisp executable ${CLISP_NAME} not found in PATH)
	fi	   
fi

dnl n.b. cmucl_default_name is hardcoded in "with" message
cmucl_default_name=lisp
CMUCL_RUNTIME=lisp
AC_ARG_ENABLE(cmucl,
	[  --enable-cmucl               Use CMUCL],
     	[case "${enableval}" in
       		yes) cmucl=true 
                     explicit_lisp=true ;;
       		no)  cmucl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-cmucl) ;;
     	esac
	explicit_lisp=true],
	[cmucl=false])
AC_ARG_WITH(cmucl,
	[  --with-cmucl=<prog>          Use CMUCL executable <prog> (default lisp)],
	[cmucl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		CMUCL_NAME="${cmucl_default_name}"
	else
		CMUCL_NAME="$withval"
	fi],
	[CMUCL_NAME=${cmucl_default_name}])
AC_ARG_WITH(cmucl-runtime,
	[  --with-cmucl-runtime=<path>  Use CMUCL runtime <path> (default
	                          *cmucl-lib*/../bin/lisp)],
	[cmucl=true
	CMUCL_RUNTIME_PATH="$withval"
	CMUCL_RUNTIME=`basename ${CMUCL_RUNTIME_PATH}`],
	[])
if test x"${cmucl}" = xtrue ; then
	if test `echo "$CMUCL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$CMUCL_NAME" ; then
			cmucl_found=true
		else
			cmucl_found=false
		fi
	else
		AC_CHECK_PROG(cmucl_found,$CMUCL_NAME,true,false)
	fi
	AC_CHECK_PROG(cmucl_found,$CMUCL_NAME,true,false)
	if test x"${cmucl_found}" = xfalse ; then
		AC_MSG_WARN(cmucl executable ${CMUCL_NAME} not found in PATH)
	fi
fi
AC_ARG_ENABLE(cmucl-exec,
	[  --enable-cmucl-exec          Create a maxima executable image.
                                No check is made if the version of 
                                CMUCL supports executable images],
	[case "${enableval}" in
	    yes) cmucl_exec=true ;;
	    no) cmucl_exec=false ;;
	    *) AC_MSG_ERROR(bad value ${enableval} for --enable-cmucl-exec) ;;
         esac
	 CMUCL_EXEC=${cmucl_exec}],
	[cmucl_exec=false
	 CMUCL_EXEC=false])

dnl n.b. scl_default_name is hardcoded in "with" message
scl_default_name=scl
SCL_RUNTIME=lisp
AC_ARG_ENABLE(scl,
	[  --enable-scl                 Use SCL],
     	[case "${enableval}" in
       		yes) scl=true 
                     explicit_lisp=true ;;
       		no)  scl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-scl) ;;
     	esac
	explicit_lisp=true],
	[scl=false])
AC_ARG_WITH(scl,
	[  --with-scl=<prog>            Use SCL executable <prog> (default scl)],
	[scl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		SCL_NAME="${scl_default_name}"
	else
		SCL_NAME="$withval"
	fi],
	[SCL_NAME=${scl_default_name}])
AC_ARG_WITH(scl-runtime,
	[  --with-scl-runtime=<path>    Use SCL runtime <path> (default
	                          file://library/../bin/lisp)],
	[scl=true
	SCL_RUNTIME_PATH="$withval"
	SCL_RUNTIME=`basename ${SCL_RUNTIME_PATH}`],
	[])
if test x"${scl}" = xtrue ; then
	if test `echo "$SCL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$SCL_NAME" ; then
			scl_found=true
		else
			scl_found=false
		fi
	else
		AC_CHECK_PROG(scl_found,$SCL_NAME,true,false)
	fi
	AC_CHECK_PROG(scl_found,$SCL_NAME,true,false)
	if test x"${scl_found}" = xfalse ; then
		AC_MSG_WARN(scl executable ${SCL_NAME} not found in PATH)
	fi
fi

dnl n.b. sbcl_default_name is hardcoded in "with" message
sbcl_default_name=sbcl
AC_ARG_ENABLE(sbcl,
	[  --enable-sbcl                Use SBCL],
     	[case "${enableval}" in
       		yes) sbcl=true 
                     explicit_lisp=true ;;
       		no)  sbcl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-sbcl) ;;
     	esac
	explicit_lisp=true],
	[sbcl=false])
AC_ARG_WITH(sbcl,
	[  --with-sbcl=<prog>           Use SBCL executable <prog> (default sbcl)],
	[sbcl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		SBCL_NAME="${sbcl_default_name}"
	else
		SBCL_NAME="$withval"
	fi],
	[SBCL_NAME=${sbcl_default_name}])
if test x"${sbcl}" = xtrue ; then
	if test `echo "$SBCL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$SBCL_NAME" ; then
			sbcl_found=true
		else
			sbcl_found=false
		fi
	else
		AC_CHECK_PROG(sbcl_found,$SBCL_NAME,true,false)
	fi
	AC_CHECK_PROG(sbcl_found,$SBCL_NAME,true,false)
	if test x"${sbcl_found}" = xfalse ; then
		AC_MSG_WARN(sbcl executable ${SBCL_NAME} not found in PATH)
	fi
fi
	
dnl n.b. acl_default_name is hardcoded in "with" message
acl_default_name=lisp
AC_ARG_ENABLE(acl,
	[  --enable-acl                 Use ACL],
     	[case "${enableval}" in
       		yes) acl=true 
                     explicit_lisp=true ;;
       		no)  acl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-acl) ;;
     	esac
	explicit_lisp=true],
	[acl=false])
AC_ARG_WITH(acl,
	[  --with-acl=<prog>            Use ACL executable <prog> (default lisp)],
	[acl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		ACL_NAME="${acl_default_name}"
	else
		ACL_NAME="$withval"
	fi],
	[ACL_NAME=${acl_default_name}])
if test x"${acl}" = xtrue ; then
	if test `echo "$ACL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$ACL_NAME" ; then
			acl_found=true
		else
			acl_found=false
		fi
	else
		AC_CHECK_PROG(acl_found,$ACL_NAME,true,false)
	fi
	AC_CHECK_PROG(acl_found,$ACL_NAME,true,false)
	if test x"${acl_found}" = xfalse ; then
		AC_MSG_WARN(acl executable ${ACL_NAME} not found in PATH)
	fi
fi

dnl n.b. gcl_default_name is hardcoded in "with" message
gcl_default_name=gcl
AC_ARG_ENABLE(gcl,
	[  --enable-gcl                 Use GCL],
     	[case "${enableval}" in
       		yes) gcl=true 
		     explicit_lisp=true;;
       		no)  gcl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-gcl) ;;
     	esac],
	[gcl=false])
AC_ARG_WITH(gcl,
	[  --with-gcl=<prog>            Use GCL executable <prog> (default gcl)],
	[gcl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		GCL_NAME="${gcl_default_name}"
	else
		GCL_NAME="$withval"
	fi],
	[GCL_NAME=${gcl_default_name}])
if test x"${gcl}" = xtrue ; then
	if test `echo "$GCL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$GCL_NAME" ; then
			gcl_found=true
		else
			gcl_found=false
		fi
	else
		AC_CHECK_PROG(gcl_found,$GCL_NAME,true,false)
	fi
	if test x"${gcl_found}" = xfalse ; then
		AC_MSG_WARN(gcl executable ${GCL_NAME} not found in PATH)
	fi
fi

dnl n.b. openmcl_default_name is hardcoded in "with" message
openmcl_default_name=openmcl
AC_ARG_ENABLE(openmcl,
	[  --enable-openmcl             Use OpenMCL],
     	[case "${enableval}" in
       		yes) openmcl=true 
		     explicit_lisp=true;;
       		no)  openmcl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-openmcl) ;;
     	esac],
	[openmcl=false])
AC_ARG_WITH(openmcl,
	[  --with-openmcl=<prog>        Use OpenMCL executable <prog> (default openmcl)],
	[openmcl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		OPENMCL_NAME="${openmcl_default_name}"
	else
		OPENMCL_NAME="$withval"
	fi],
	[OPENMCL_NAME=${openmcl_default_name}])
dnl Define ccl as an alias (essentially) for openmcl
AC_ARG_ENABLE(ccl,
	[  --enable-ccl                 Use CCL (Clozure Common Lisp)],
     	[case "${enableval}" in
       		yes) openmcl=true 
		     explicit_lisp=true;;
       		no)  openmcl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-ccl) ;;
     	esac],
	[openmcl=false])
AC_ARG_WITH(ccl,
	[  --with-ccl=<prog>            Use OpenMCL executable <prog> (default ccl)],
	[openmcl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		OPENMCL_NAME="${openmcl_default_name}"
	else
		OPENMCL_NAME="$withval"
	fi],
	[OPENMCL_NAME=${openmcl_default_name}])

if test x"${openmcl}" = xtrue ; then
	if test `echo "$OPENMCL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$OPENMCL_NAME" ; then
			openmcl_found=true
		else
			openmcl_found=false
		fi
	else
		AC_CHECK_PROG(openmcl_found,$OPENMCL_NAME,true,false)
	fi
	if test x"${openmcl_found}" = xfalse ; then
		AC_MSG_WARN(openmcl executable ${OPENMCL_NAME} not found in PATH)
	fi
fi

dnl n.b. ecl_default_name is hardcoded in "with" message
ecl_default_name=ecl
AC_ARG_ENABLE(ecl,
	[  --enable-ecl                 Use ECL],
     	[case "${enableval}" in
       		yes) ecl=true 
		     explicit_lisp=true;;
       		no)  ecl=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-ecl) ;;
     	esac],
	[ecl=false])
AC_ARG_WITH(ecl,
	[  --with-ecl=<prog>            Use ECL executable <prog> (default ecl)],
	[ecl=true
	explicit_lisp=true
	if test "$withval" = "yes"; then
		ECL_NAME="${ecl_default_name}"
	else
		ECL_NAME="$withval"
	fi],
	[ECL_NAME=${ecl_default_name}])
if test x"${ecl}" = xtrue ; then
	if test `echo "$ECL_NAME" | sed 's/\(.\).*/\1/'` = "/" ; then
		if test -x "$ECL_NAME" ; then
			ecl_found=true
		else
			ecl_found=false
		fi
	else
		AC_CHECK_PROG(ecl_found,$ECL_NAME,true,false)
	fi
	if test x"${ecl_found}" = xfalse ; then
		AC_MSG_WARN(ecl executable ${ECL_NAME} not found in PATH)
	fi
fi

dnl xgettext
AC_ARG_ENABLE(gettext,
	[  --enable-gettext             Locale support],
	[case "${enableval}" in
	       yes) enable_gettext=true  ;;
 	       no)  enable_gettext=false ;;
	       *) AC_MSG_ERROR(bad value ${enableval} for --enable-gettext) ;;
	 esac],
	 [enable_gettext=false])

AM_CONDITIONAL(ENABLE_GETTEXT, test x$enable_gettext = xtrue)

dnl languages
AC_ARG_ENABLE(lang-de,
	[  --enable-lang-de             German language support],
     	[case "${enableval}" in
       		yes) lang_de=true  ;;
       		no)  lang_de=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-de) ;;
     	esac],
	[lang_de=false])

AM_CONDITIONAL(LANG_DE, test x$lang_de = xtrue)

AC_ARG_ENABLE(lang-de-utf8,
	[  --enable-lang-de-utf8        German language support (UTF-8)],
     	[case "${enableval}" in
       		yes) lang_de_utf8=true  ;;
       		no)  lang_de_utf8=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-de-utf8) ;;
     	esac],
	[lang_de_utf8=false])

AM_CONDITIONAL(LANG_DE_UTF8, test x$lang_de_utf8 = xtrue)

AC_ARG_ENABLE(lang-es,
	[  --enable-lang-es             Spanish language support],
     	[case "${enableval}" in
       		yes) lang_es=true  ;;
       		no)  lang_es=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-es) ;;
     	esac],
	[lang_es=false])

AM_CONDITIONAL(LANG_ES, test x$lang_es = xtrue)

AC_ARG_ENABLE(lang-es-utf8,
	[  --enable-lang-es-utf8        Spanish language support (UTF-8)],
     	[case "${enableval}" in
       		yes) lang_es_utf8=true  ;;
       		no)  lang_es_utf8=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-es-utf8) ;;
     	esac],
	[lang_es_utf8=false])

AM_CONDITIONAL(LANG_ES_UTF8, test x$lang_es_utf8 = xtrue)

AC_ARG_ENABLE(lang-pt,
	[  --enable-lang-pt             Portuguese language support],
     	[case "${enableval}" in
       		yes) lang_pt=true  ;;
       		no)  lang_pt=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-pt) ;;
     	esac],
	[lang_pt=false])

AM_CONDITIONAL(LANG_PT, test x$lang_pt = xtrue)

AC_ARG_ENABLE(lang-pt-utf8,
	[  --enable-lang-pt-utf8        Portuguese language support (UTF-8)],
     	[case "${enableval}" in
       		yes) lang_pt_utf8=true  ;;
       		no)  lang_pt_utf8=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-pt-utf8) ;;
     	esac],
	[lang_pt_utf8=false])

AM_CONDITIONAL(LANG_PT_UTF8, test x$lang_pt_utf8 = xtrue)

AC_ARG_ENABLE(lang-pt_BR,
	[  --enable-lang-pt_BR          Brazilian Portuguese language support],
     	[case "${enableval}" in
       		yes) lang_pt_br=true  ;;
       		no)  lang_pt_br=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-pt_BR) ;;
     	esac],
	[lang_pt_br=false])

AM_CONDITIONAL(LANG_PT_BR, test x$lang_pt_br = xtrue)

AC_ARG_ENABLE(lang-pt_BR-utf8,
	[  --enable-lang-pt_BR-utf8     Brazilian Portuguese language support (UTF-8)],
     	[case "${enableval}" in
       		yes) lang_pt_br_utf8=true  ;;
       		no)  lang_pt_br_utf8=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-lang-pt_BR-utf8) ;;
     	esac],
	[lang_pt_br_utf8=false])

AM_CONDITIONAL(LANG_PT_BR_UTF8, test x$lang_pt_br_utf8 = xtrue)

AC_ARG_ENABLE(recode,
	[  --enable-recode              Use recode for charset conversion],
     	[case "${enableval}" in
       		yes) use_recode=true  ;;
       		no)  use_recode=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-recode) ;;
     	esac],
	[use_recode=false])

dnl iconv and/or recode
AC_CHECK_PROG(iconv_found,iconv,true,false)
AC_CHECK_PROG(recode_found,recode,true,false)

if test x"${use_recode}" = xtrue ; then
    if test x"${recode_found}" = xfalse ; then
	AC_MSG_ERROR(No recode found)
    fi
elif test x"${iconv_found}" = xfalse ; then
    use_recode=true 
else
    use_recode=false
fi

AM_CONDITIONAL(USE_RECODE, test x$use_recode = xtrue)

if test x"${explicit_lisp}" = xfalse ; then
dnl  	AC_CHECK_PROG(clisp_found,${clisp_default_name},true,false)
dnl  	if test x"${clisp_found}" = xtrue ; then
dnl  		clisp=true
dnl  	else
dnl  		AC_CHECK_PROG(gcl_found,${gcl_default_name},true,false)
dnl  		if test x"${gcl_found}" = xtrue ; then
dnl  			gcl=true
dnl  		else
dnl  			AC_CHECK_PROG(cmucl_found,$CMUCL_NAME,true,false)
dnl  			if test x"${cmucl_found}" = xtrue ; then
dnl  				cmucl=true
dnl  			else
dnl  				AC_CHECK_PROG(scl_found,$SCL_NAME,true,false)
dnl  				if test x"${scl_found}" = xtrue ; then
dnl  					scl=true
dnl  				else
dnl  					AC_CHECK_PROG(sbcl_found,$SBCL_NAME,true,false)
dnl  					if test x"${sbcl_found}" = xtrue ; then
dnl  					   	sbcl=true
dnl  					else
dnl  						AC_CHECK_PROG(acl6_found,$ACL6_NAME,true,false)
dnl  						if test x"${acl6_found}" = xtrue ; then
dnl  							acl6=true
dnl  						else
dnl  							AC_CHECK_PROG(openmcl_found,$OPENMCL_NAME,true,false)
dnl  							if test x"${openmcl_found}" = xtrue ; then
dnl  								openmcl=true
dnl  							else
dnl  								AC_MSG_ERROR(No lisp implementation specified and none of the default executables [${clisp_default_name}(clisp),${gcl_default_name}(GCL),${cmucl_default_name}(CMUCL),${scl_default_name}(SCL),${sbcl_default_name}(SBCL),${acl6_default_name}(ACL6),${openmcl_default_name}(OpenMCL)] were found in PATH)
dnl  							fi
dnl  						fi
dnl  					fi
dnl  				fi
dnl  			fi
dnl  		fi
dnl  	fi
	dnl See if any of the lisps can be found
  	AC_CHECK_PROG(clisp_found,${clisp_default_name},true,false)
	AC_CHECK_PROG(gcl_found,${gcl_default_name},true,false)
	AC_CHECK_PROG(cmucl_found,$CMUCL_NAME,true,false)
	AC_CHECK_PROG(scl_found,$SCL_NAME,true,false)
	AC_CHECK_PROG(sbcl_found,$SBCL_NAME,true,false)
	AC_CHECK_PROG(acl_found,$ACL_NAME,true,false)
	AC_CHECK_PROG(openmcl_found,$OPENMCL_NAME,true,false)
	AC_CHECK_PROG(ecl_found,$ECL_NAME,true,false)

  	if test x"${clisp_found}" = xtrue ; then
  		clisp=true
  	elif test x"${gcl_found}" = xtrue ; then
		gcl=true
	elif test x"${cmucl_found}" = xtrue ; then
		cmucl=true
	elif test x"${scl_found}" = xtrue ; then
		scl=true
	elif test x"${sbcl_found}" = xtrue ; then
	   	sbcl=true
	elif test x"${acl_found}" = xtrue ; then
		acl=true
	elif test x"${ecl_found}" = xtrue ; then
		ecl=true
	else
		AC_MSG_ERROR(No lisp implementation specified and none of the default executables [${clisp_default_name}(clisp),${gcl_default_name}(GCL),${cmucl_default_name}(CMUCL),${scl_default_name}(SCL),${sbcl_default_name}(SBCL),${acl_default_name}(ACL),${openmcl_default_name}(OpenMCL),${ecl_default_name}(ECL)] were found in PATH)
	fi
fi

AM_CONDITIONAL(CLISP, test x$clisp = xtrue)
AM_CONDITIONAL(GCL, test x$gcl = xtrue)
AM_CONDITIONAL(CMUCL, test x$cmucl = xtrue)
AM_CONDITIONAL(CMUCL_EXEC, test x${cmucl_exec} = xtrue)
AM_CONDITIONAL(SCL, test x$scl = xtrue)
AM_CONDITIONAL(SBCL, test x$sbcl = xtrue)
AM_CONDITIONAL(ACL, test x$acl = xtrue)
AM_CONDITIONAL(OPENMCL, test x$openmcl = xtrue)
AM_CONDITIONAL(ECL, test x$ecl = xtrue)

if test x"${clisp}" = xtrue; then
    if test x"${CLISP_RUNTIME_PATH}" = x"" ; then
        if test x"${mingw}" = xtrue ; then
            CLISP_RUNTIME_PATH=`${CLISP_NAME} -norc -q -x "(format nil \"~a${CLISP_RUNTIME}\" (namestring *lib-directory*))"|sed 's/\"\\(.*\\)\"/\\1/'`
        else
            CLISP_RUNTIME_PATH=`${CLISP_NAME} -norc -q -x "(format nil \"~abase/${CLISP_RUNTIME}\" (namestring *lib-directory*))"|sed 's/\"\\(.*\\)\"/\\1/'`
        fi
    fi
    if test -x ${CLISP_RUNTIME_PATH} ; then
        echo "clisp runtime is \"${CLISP_RUNTIME_PATH}\""
    else
        AC_MSG_ERROR(clisp runtime \"${CLISP_RUNTIME_PATH}\" is not an executable)
    fi
    CLISP_RUNTIME=`basename ${CLISP_RUNTIME_PATH}`
fi

if test x"${cmucl}" = xtrue; then
    if test x"${CMUCL_RUNTIME_PATH}" = x"" ; then
        CMUCL_RUNTIME_PATH=`${CMUCL_NAME} -noinit -nositeinit -quiet -batch -eval '#-cmu18 (progn (setf (search-list "cmuclbin:") (append (lisp::parse-unix-search-path lisp::*cmucl-lib*) (mapcar (function (lambda (p) (concatenate (quote string) p "../bin/"))) (lisp::parse-unix-search-path lisp::*cmucl-lib*))))(enumerate-search-list (s "cmuclbin:lisp") (when (probe-file s) (format t "~A~%" s) (quit)))) #+cmu18 (format t "~a/../bin/lisp~%" common-lisp::*cmucl-lib*)(quit)'`
    fi
    if test -x "${CMUCL_RUNTIME_PATH}" ; then
        echo "cmucl runtime is \"${CMUCL_RUNTIME_PATH}\""
    else
dnl last chance: find CMUCL_NAME in path. Use it if it doesn't appear to
dnl be a shell script.
	cmucl_path=`type -p "${CMUCL_NAME}"`
	if test x"`grep -c '#!.*bin.*sh.*' ${cmucl_path}`" = x"0" ; then
	   	CMUCL_RUNTIME_PATH="${cmucl_path}"
	else
		AC_MSG_ERROR([Unable to determine CMUCL runtime path.
The best guess for CMUCL runtime, \"${CMUCL_RUNTIME_PATH}\", is not
an executable. Use the argument
   --with-cmucl-runtime=<path>
to set the actual CMUCL executable. If the CMUCL lisp command is a shell
script the CMUCL executable is the program exec'd by that shell script.])
	fi
    fi
    CMUCL_RUNTIME=`basename ${CMUCL_RUNTIME_PATH}`

dnl cmucl final check
   result=`"${CMUCL_RUNTIME_PATH}" -quiet -eval '(format t "MAXIMA_CMUCL_TEST_SUCCESS%")(quit)'`
   retval=$?
   if test ! x"${retval}" = x"0" ; then
      AC_MSG_ERROR(unable to run cmucl runtime = "${CMUCL_RUNTIME_PATH}". 
Please specify the full path of the cmucl runtime using the 
    --with-cmucl-runtime=<path>
flag.)
   fi
   count=`echo "${result}" | grep -c "MAXIMA_CMUCL_TEST_SUCCESS"`
   if test ! "${count}" = "1" ; then
      AC_MSG_ERROR(an error occured while checking cmucl runtime)
   fi
fi

if test x"${scl}" = xtrue; then
    if test x"${SCL_RUNTIME_PATH}" = x"" ; then
        SCL_RUNTIME_PATH=`${SCL_NAME} -noinit -nositeinit -quiet -batch -eval '(progn (enumerate-pathname-translations (pathname "file://library/../bin/lisp") (when (probe-file pathname) (format t "~A~%" (unix-namestring pathname)))) (quit))'`
    fi
    if test -x "${SCL_RUNTIME_PATH}" ; then
        echo "scl runtime is \"${SCL_RUNTIME_PATH}\""
    else
dnl last chance: find SCL_NAME in path. Use it if it doesn't appear to
dnl be a shell script.
	scl_path=`type -p "${SCL_NAME}"`
	if test x"`grep -c '#!.*bin.*sh.*' ${scl_path}`" = x"0" ; then
	   	SCL_RUNTIME_PATH="${scl_path}"
	else
		AC_MSG_ERROR([Unable to determine SCL runtime path.
The best guess for SCL runtime, \"${SCL_RUNTIME_PATH}\", is not
an executable. Use the argument
   --with-scl-runtime=<path>
to set the actual SCL executable. If the SCL lisp command is a shell
script the SCL executable is the program exec'd by that shell script.])
	fi
    fi
    SCL_RUNTIME=`basename ${SCL_RUNTIME_PATH}`
fi

if test x"${gcl}" = xtrue; then
   result=`"${GCL_NAME}" -batch -eval '#+ansi-cl (format t "MAXIMA_GCL_ANSI_TEST_SUCCESS~%") #-ansi-cl (format t "MAXIMA_GCL_ANSI_TEST_FAILURE~%")' -eval '(bye)'`
   retval=$?
   if test ! x"${retval}" = x"0" ; then
      AC_MSG_ERROR(unable to run gcl executable \"${GCL_NAME}\".)
   fi
   count=`echo "${result}" | grep -c "MAXIMA_GCL_ANSI_TEST_SUCCESS"`
   if test ! "${count}" = "1" ; then
      AC_MSG_ERROR([The gcl executable \"${GCL_NAME}\" was not compiled with
the --enable-ansi flag, which is required for Maxima.
The gcl ANSI-CL check returned
\"${result}\".])
   fi
fi

AC_ARG_ENABLE(gcl-alt-link,
	[  --enable-gcl-alt-link        Use GCL's alternate linking mechanism],
     	[case "${enableval}" in
       		yes) gcl_alt_link=true ;;
       		no)  gcl_alt_link=false ;;
		*) AC_MSG_ERROR(bad value ${enableval} for --enable-gcl-alt-link) ;;
     	esac],
	[gcl_alt_link=false])

AM_CONDITIONAL(GCL_ALT_LINK, test x$gcl_alt_link = xtrue)
	
AC_ARG_WITH(default-lisp,
	[  --with-default-lisp=<lisp>   Set default lisp implementation to <lisp>],
     	[case "${withval}" in
       		clisp)
			if test x"${clisp}" = xtrue ; then
				DEFAULTLISP=clisp
			else
				AC_MSG_ERROR(clisp not enabled)
			fi
			;;
		cmucl)
			if test x"${cmucl}" = xtrue ; then
				DEFAULTLISP=cmucl
			else
				AC_MSG_ERROR(cmucl not enabled)
			fi
			;;
		scl)
			if test x"${scl}" = xtrue ; then
				DEFAULTLISP=scl
			else
				AC_MSG_ERROR(scl not enabled)
			fi
			;;
		sbcl)
			if test x"${sbcl}" = xtrue ; then
				DEFAULTLISP=sbcl
			else
				AC_MSG_ERROR(sbcl not enabled)
			fi
			;;
		gcl)
			if test x"${gcl}" = xtrue ; then
				DEFAULTLISP=gcl
			else
				AC_MSG_ERROR(gcl not enabled)
			fi
			;;	
		acl)
			if test x"${acl}" = xtrue ; then
				DEFAULTLISP=acl
			else
				AC_MSG_ERROR(acl not enabled)
			fi
			;;	
		openmcl)
			if test x"${openmcl}" = xtrue ; then
				DEFAULTLISP=openmcl
			else
				AC_MSG_ERROR(openmcl not enabled)
			fi
			;;		
		ecl)
			if test x"${ecl}" = xtrue ; then
				DEFAULTLISP=ecl
			else
				AC_MSG_ERROR(ecl not enabled)
			fi
			;;		
		*) 
			AC_MSG_ERROR(Unknown argument ${DEFAULTLISP} to --with-default-lisp) 
			;;
     	esac],
	[if test x"${clisp}" = xtrue ; then
		DEFAULTLISP=clisp
	elif test x"${cmucl}" = xtrue ; then
		DEFAULTLISP=cmucl
	elif test x"${scl}" = xtrue ; then
		DEFAULTLISP=scl
	elif test x"${sbcl}" = xtrue ; then
	   	DEFAULTLISP=sbcl
	elif test x"${gcl}" = xtrue ; then
	   	DEFAULTLISP=gcl
	elif test x"${acl}" = xtrue ; then
		DEFAULTLISP=acl
	elif test x"${openmcl}" = xtrue ; then
		DEFAULTLISP=openmcl
	elif test x"${ecl}" = xtrue ; then
		DEFAULTLISP=ecl
	else
		AC_MSG_ERROR(Internal error. No lisp enabled. Please contact maintainer.)
	fi])

AC_SUBST(CLISP_NAME)
AC_SUBST(CLISP_RUNTIME)
AC_SUBST(CLISP_RUNTIME_PATH)
AC_SUBST(CMUCL_NAME)
AC_SUBST(CMUCL_RUNTIME)
AC_SUBST(CMUCL_RUNTIME_PATH)
AC_SUBST(CMUCL_EXEC)
AC_SUBST(SCL_NAME)
AC_SUBST(SCL_RUNTIME)
AC_SUBST(SCL_RUNTIME_PATH)
AC_SUBST(SBCL_NAME)
AC_SUBST(GCL_NAME)
AC_SUBST(ACL_NAME)
AC_SUBST(OPENMCL_NAME)
AC_SUBST(ECL_NAME)
AC_SUBST(DEFAULTLISP)

AC_ARG_WITH(posix-shell,
	[  --with-posix-shell=<path>    Use <shell> for maxima script (default /bin/sh)],
	[posix_shell_list="${withval}"],
	[posix_shell_list="/bin/sh /bin/bash /usr/bin/bash /usr/local/bin/bash"])

AC_ARG_WITH(wish,
	[  --with-wish=<prog>           Use <prog> for Tk wish shell (default wish)],
	[WISH="${withval}"],
	[WISH="wish"])
AC_SUBST(WISH)


AC_MSG_CHECKING(POSIX shell to see that it contains getopts)
cat <<EOF > conftest-posix-shell.sh
getopts "ab:" opt
result="\$?"
echo "result is \$result"
exit "\$result"
EOF
POSIX_SHELL=""
for shell in $posix_shell_list
do
	if test -z "$POSIX_SHELL" ; then
		echo "trying $shell"
		$shell conftest-posix-shell.sh -a > /dev/null 2>&1
		if test "$?" = "0" ; then
			POSIX_SHELL="$shell"
		fi
	fi
done
rm -f conftest-posix-shell.sh
if test -n "$POSIX_SHELL" ; then
	AC_MSG_RESULT(POSIX shell is $POSIX_SHELL)
else
	AC_MSG_WARN(Could not find a shell that supports getopts. 
The maxima wrapper script will be unusable. The shell may be specified
with --with-posix-shell=</path/to/shell>)
fi
AC_SUBST(POSIX_SHELL)

if test x"${prefix}" = xNONE ; then
	tmp_prefix="/usr/local"
else
	tmp_prefix="${prefix}"
fi
if test x"${exec_prefix}" = xNONE ; then
	tmp_exec_prefix="${tmp_prefix}"
else
	tmp_exec_prefix="${exec_prefix}"
fi
expanded_top_srcdir="`(cd \"$top_srcdir\" 1>/dev/null 2>/dev/null; pwd)`"
expanded_exec_prefix="${tmp_exec_prefix}"
expanded_libdir="`eval \"exec_prefix=${tmp_exec_prefix};echo ${libdir}\"`"
expanded_libexecdir="`eval \"exec_prefix=${tmp_exec_prefix};echo ${libexecdir}\"`"
expanded_datadir="`eval \"prefix=${tmp_prefix};datarootdir=${datarootdir};echo ${datadir}\"`"
expanded_infodir="`eval \"prefix=${tmp_prefix};datarootdir=${datarootdir};echo ${infodir}\"`"


dnl Find all the directories in share, but remove the share directory
dnl itself and all CVS directories (if any) and fortran directories.
dnl Remove the leading "share" part of the path, and add double-quotes
dnl around it.

#default_sharedirs=`find share -type d | sort | egrep -v 'share$|CVS|/fortran' | sed 's;share/\(.*\);        "\1" \\\\;' | sed '$s;\\\\;;'`
default_sharedirs=`find share -type d | sort | egrep -v 'share$|CVS|/fortran' | sed 's;share/\(.*\);"\1";' | tr '\n' ' '`

AC_SUBST(expanded_top_srcdir)
AC_SUBST(expanded_exec_prefix)
AC_SUBST(expanded_libdir)
AC_SUBST(expanded_libexecdir)
AC_SUBST(expanded_datadir)
AC_SUBST(expanded_infodir)
default_layout_autotools="true"
AC_SUBST(default_layout_autotools)
AC_SUBST(LDFLAGS)
AC_SUBST(default_sharedirs)

dnl Look for grep that can handle long lines and -e.
AC_PROG_EGREP
AC_SUBST(EGREP)


# Configure these files and make them executable
AC_CONFIG_FILES([maxima-local], chmod +x maxima-local)
AC_CONFIG_FILES([xmaxima-local], chmod +x xmaxima-local)
AC_CONFIG_FILES([src/share-subdirs.lisp])

AC_OUTPUT(Makefile maxima.spec maxima.iss \
admin/Makefile src/Makefile src/maxima src/maxima.bat src/rmaxima src/autoconf-variables.lisp \
lisp-utils/Makefile tests/Makefile doc/Makefile \
doc/emaxima/Makefile doc/info/Makefile doc/info/include-maxima.texi \
doc/info/de/Makefile doc/info/de.utf8/Makefile \
doc/info/es/Makefile doc/info/es.utf8/Makefile \
doc/info/pt/Makefile doc/info/pt.utf8/Makefile \
doc/info/pt_BR/Makefile doc/info/pt_BR.utf8/Makefile \
doc/intromax/Makefile doc/man/Makefile doc/man/maxima.1 doc/man/ru/maxima.1 \
doc/share/Makefile \
interfaces/Makefile interfaces/emacs/Makefile interfaces/emacs/emaxima/Makefile \
interfaces/emacs/imaxima/Makefile \
interfaces/emacs/misc/Makefile interfaces/xmaxima/Makefile \
interfaces/xmaxima/autoconf-variables.tcl interfaces/xmaxima/Tkmaxima/Header.tcl \
interfaces/xmaxima/doc/Makefile interfaces/xmaxima/doc/figures/Makefile \
interfaces/xmaxima/msgs/Makefile interfaces/xmaxima/win32/Makefile \
plotting/mgnuplot share/Makefile demo/Makefile plotting/Makefile locale/Makefile \
src/lisp)

echo
echo "Summary:"
if test x"${clisp}" = xtrue ; then
	echo "clisp enabled. Executable name: \"${CLISP_NAME}\""
	echo "clisp runtime is \"${CLISP_RUNTIME_PATH}\""
fi
if test x"${cmucl}" = xtrue ; then
	echo "CMUCL enabled. Executable name: \"${CMUCL_NAME}\""
	echo "cmucl runtime is \"${CMUCL_RUNTIME_PATH}\""
fi
if test x"${cmucl_exec}" = xtrue; then
	echo "CMUCL executable image enabled for maxima."
fi
if test x"${scl}" = xtrue ; then
	echo "SCL enabled. Executable name: \"${SCL_NAME}\""
	echo "SCL runtime is \"${SCL_RUNTIME_PATH}\""
fi
if test x"${sbcl}" = xtrue ; then
	echo "SBCL enabled. Executable name: \"${SBCL_NAME}\""
fi
if test x"${gcl}" = xtrue ; then
	echo "GCL enabled. Executable name: \"${GCL_NAME}\""
	if test x"${gcl_alt_link}" = xtrue ; then
		echo "    GCL alternative linking method enabled."
	fi
fi
if test x"${acl}" = xtrue ; then
	echo "ACL enabled. Executable name: \"${ACL_NAME}\""
fi
if test x"${openmcl}" = xtrue ; then
	echo "OpenMCL enabled. Executable name: \"${OPENMCL_NAME}\""
fi
if test x"${ecl}" = xtrue ; then
	echo "ECL enabled. Executable name: \"${ECL_NAME}\""
fi
echo "default lisp: $DEFAULTLISP"
echo "wish executable name: \"${WISH}\""