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AX_WARNING_DEFAULT_ACLOCALDIR [(dirvariable
[,[defsetting][,[A][,[N/A]]]])]
AX_ENABLE_DEFAULT_ACLOCALDIR [(dirvariable [,defsetting])]
print a warning message if the $(datadir)/aclocal directory is not in the dirlist searched by the aclocal tool. This macro is useful if some `make install` would target $(datadir)/aclocal to install an autoconf m4 file of your project to be picked up by other projects.
default $1 dirvariable = aclocaldir default $2 defsetting = ${datadir}/aclocal default $3 action = nothing to do default $4 action = warn the user about mismatch
In the _WARNING_ variant, the defsetting is not placed in dirvariable nor is it ac_subst'ed in any way. The default fail-action $4 is to send a warning message to the user, and the default accept-action $3 is nothing. It is expected that a Makefile is generated with aclocaldir=${datadir}/aclocal
The _ENABLE_ variant however will set not only the $aclocaldir shell var of the script, but it is also AC-SUBST'ed on default - and furthermore a configure option "--enable-default-aclocaldir" is provided. Only if that option is set then $2 default is not set to the canonic default in the a $prefix subpath but instead $2 default is set to the primary path where `aclocal` looks for macros. The user may also override the default on the command line.
Guido Draheim <guidod@gmx.de>
2005-01-21
AC_DEFUN([AX_WARNING_DEFAULT_ACLOCALDIR],[dnl AC_REQUIRE([AX_EXPAND_PREFIX])dnl AS_VAR_PUSHDEF([DIR],[ax_warning_default_aclocal_dir])dnl AS_VAR_PUSHDEF([BIN],[ax_warning_default_aclocal_bin])dnl AS_VAR_PUSHDEF([LOC],[ax_warning_default_aclocal_loc])dnl LOC='m4_if([$2],,[${datadir}/aclocal],[$2])' m4_ifval([$1],[test ".$[]$1" != "." && LOC="$[]$1"]) if test ".$ACLOCAL" = "." ; then AC_PATH_PROG([ACLOCAL],[aclocal],[:]) fi BIN="$ACLOCAL" test ".$BIN" = "." && BIN="aclocal" DIR=`test ".$SHELL" = "." && SHELL="'sh'" ; eval "$BIN --print-ac-dir"` test ".$DIR" = "." && test -d "/usr/share/aclocal" && DIR="/usr/share/aclocal" test ".$DIR" = "." && DIR="/tmp" DIR=`eval "echo $DIR"` # we need to expand DIR=`eval "echo $DIR"` LOC=`eval "echo $LOC"` LOC=`eval "echo $LOC"` LOC=`eval "echo $LOC"` LOC=`eval "echo $LOC"` AC_RUN_LOG([: test "$LOC" = "$DIR"]) if test "$LOC" != "$DIR" ; then if test -f "$DIR/dirlist" ; then for DIR in `cat $DIR/dirlist` $DIR ; do AC_RUN_LOG([: test "$LOC" = "$DIR"]) test "$LOC" = "$DIR" && break done fi if test "$LOC" != "$DIR" ; then m4_ifval([$4],[$4],[dnl AC_MSG_NOTICE([warning: m4_if([$1],,[aclocaldir],[$1])=$LOC dnl (see config.log)]) AC_MSG_NOTICE([perhaps: make install m4_if([$1],,[aclocaldir],[$1])=$DIR]) cat m4_ifset([AS_MESSAGE_LOG_FD],[>&AS_MESSAGE_LOG_FD],[>>config.log]) <<EOF aclocaldir: the m4_if([$1],,[default aclocaldir],[$1 value]) of $LOC aclocaldir: is not listed in the dirlist where aclocal will look aclocaldir: for macros - you can override the install-path using aclocaldir: make install aclocaldir=$DIR aclocaldir: or append the directory to aclocal reconfigures later as aclocaldir: aclocal -I $LOC aclocaldir: when an autoconf macro is needed from that directory EOF m4_ifvaln([$5],[$5])])dnl m4_ifvaln([$3],[else $3])dnl fi fi AS_VAR_POPDEF([LOC])dnl AS_VAR_POPDEF([BIN])dnl AS_VAR_POPDEF([DIR])dnl ]) AC_DEFUN([AX_ENABLE_DEFAULT_ACLOCALDIR],[dnl AS_VAR_PUSHDEF([BIN],[ax_warning_default_aclocal_bin])dnl AS_VAR_PUSHDEF([DIR],[ax_warning_default_aclocal_def])dnl AS_VAR_PUSHDEF([DEF],[ax_warning_default_aclocal_def])dnl AC_ARG_ENABLE([enable-default-aclocaldir], [ --enable-default-aclocaldir(=PATH) override the datadir/aclocal default]) test ".$enable_default_aclocaldir" = "." && enable_default_aclocaldir="no" case ".$enable_default_aclocaldir" in .no) DIR='m4_if([$2],,[${datadir}/aclocal],[$2])' ;; .yes) # autodetect if test ".$ACLOCAL" = "." ; then AC_PATH_PROG([ACLOCAL],[aclocal],[:]) fi BIN="$ACLOCAL" test ".$BIN" = "." && BIN="aclocal" DIR=`test ".$SHELL" = "." && SHELL="'sh'" ; eval "$BIN --print-ac-dir"` test ".$DIR" = "." && test -d "/usr/share/aclocal" && DIR="/usr/share/aclocal" test ".$DIR" = "." && DIR="/tmp" ;; *) DIR="$enable_default_aclocaldir" ;; esac AX_WARNING_DEFAULT_ACLOCALDIR([$1],[$DEF],[$3],[$4],[$5]) m4_if([$1],,[aclocaldir],[$1])="$ax_warning_default_aclocal_dir" AC_SUBST(m4_if([$1],,[aclocaldir],[$1])) AS_VAR_POPDEF([DEF])dnl AS_VAR_POPDEF([DIR])dnl AS_VAR_POPDEF([BIN])dnl ])