adamc@378: # configure.in for Ur/Web   -*- sh -*-
adamc@378: # Process this file with autoconf to produce a configure script.
adamc@378: 
adamc@378: # -------------- usual initial stuff -------------
adamc@378: # this simply names a file somewhere in the source tree to verify
adamc@378: # we're in the right directory
adamc@378: AC_INIT(THIS_IS_URWEB)
adamc@378: 
adamc@378: 
adamc@378: # sm: require a late-enough autoconf; this is the version number
adamc@378: # that's on manju, so I assume it's ok
adamc@378: AC_PREREQ(2.50)
adamc@378: 
adamc@378: AC_MSG_NOTICE(Configuring Ur/Web)
adamc@378: 
adamc@378: # make sure I haven't forgotten to run autoconf
adamc@378: if test configure -ot configure.ac; then
adamc@378:   AC_MSG_ERROR(configure is older than configure.in; you forgot to run autoconf)
adamc@378: fi
adamc@378: 
adamc@378: # ---------------- generic functions -----------------
adamc@378: # debugging diagnostic; set to 'echo' to debug or 'true' for production
adamc@378: diagnostic() {
adamc@378:   #echo "$@"
adamc@378:   true "$@"
adamc@378: }
adamc@378: 
adamc@429: if test [$prefix = "NONE"]; then
adamc@429:     prefix=/usr/local
adamc@429: fi
adamc@429: 
adamc@378: if test [-z $BIN]; then
adamc@429:     BIN=$prefix/bin
adamc@378: fi
adamc@378: 
adamc@378: if test [-z $LIB]; then
adamc@429:     LIB=$prefix/lib/urweb
adamc@378: fi
adamc@378: 
adamc@378: if test [-z $INCLUDE]; then
adamc@429:     INCLUDE=$prefix/include/urweb
adamc@378: fi
adamc@378: 
adamc@378: if test [-z $SITELISP]; then
adamc@429:     SITELISP=$prefix/share/emacs/site-lisp/urweb-mode
adamc@378: fi
adamc@378: 
adamc@378: 
adamc@378: do_not_edit="Do not edit this file. It was generated automatically from"
adamc@378: 
adamc@378: 
adamc@378: # ----------------- finish up -------------------
adamc@378: # names of the variables that get substituted in files; for example,
adamc@378: # write @ARCHOS@ somewhere in a written file to get it substituted
adamc@378: AC_SUBST(BIN)
adamc@378: AC_SUBST(LIB)
adamc@378: AC_SUBST(INCLUDE)
adamc@378: AC_SUBST(SITELISP)
adamc@435: AC_SUBST(GCCARGS)
adamc@378: AC_SUBST(do_not_edit)
adamc@378: 
adamc@378: # finish the configure script and generate various files; ./configure
adamc@378: # will apply variable substitutions to <filename>.in to generate <filename>;
adamc@378: # I find it useful to mark generated files as read-only so I don't
adamc@378: # accidentally edit them (and then lose my changes when ./configure
adamc@378: # runs again); I had originally done the chmod after AC_OUTPUT, but
adamc@378: # the problem is then the chmod doesn't run inside ./config.status
adamc@378: 
adamc@378: # MY_AC_CONFIG_FILES(filename)
adamc@378: # do AC_CONFIG_FILES(filename, chmod a-w filename)
adamc@378: define([MY_AC_CONFIG_FILES],
adamc@378: [{
adamc@378:   if test -f [$1].in; then
adamc@378:     AC_CONFIG_FILES([$1], chmod a-w [$1])
adamc@378:   else
adamc@378:     true
adamc@378:     #echo "skipping [$1] because it's not in this distribution"
adamc@378:   fi
adamc@378: }])
adamc@378: define([MY_AC_CONFIG_EXE_FILES],
adamc@378: [{
adamc@378:   if test -f [$1].in; then
adamc@378:     AC_CONFIG_FILES([$1], [chmod a-w,a+x $1])
adamc@378:   else
adamc@378:     true
adamc@378:     #echo "skipping [$1] because it's not in this distribution"
adamc@378:   fi
adamc@378: }])
adamc@378: MY_AC_CONFIG_FILES(Makefile)
adamc@378: MY_AC_CONFIG_FILES(src/config.sml)
adamc@378: 
adamc@378: AC_OUTPUT()
adamc@378: 
adamc@378: # show the user what the variables have been set to
adamc@378: cat <<EOF
adamc@378: 
adamc@378: Ur/Web configuration:
adamc@378:   bin directory:       BIN       $BIN
adamc@378:   lib directory:       LIB       $LIB
adamc@378:   include directory:   INCLUDE   $INCLUDE
adamc@378:   site-lisp directory: SITELISP  $SITELISP
adamc@435:   Extra GCC args:      GCCARGS   $GCCARGS
adamc@378: EOF