- dnl
- dnl If needed, define the m4_ifblank and m4_ifnblank macros from autoconf 2.64
- dnl This allows us to run with earlier Autoconfs as well.
- ifdef([m4_ifblank],[],[
- m4_define([m4_ifblank],
- [m4_if(m4_translit([[$1]], [ ][ ][
- ]), [], [$2], [$3])])])
- dnl
- ifdef([m4_ifnblank],[],[
- m4_define([m4_ifnblank],
- [m4_if(m4_translit([[$1]], [ ][ ][
- ]), [], [$3], [$2])])])
- dnl
-
- dnl AC_CONFIG_SUBDIRS does not allow configure options to be passed
- dnl to subdirs, this function allows that by creating a configure.gnu
- dnl script that prepends configure options and then calls the real
- dnl configure script
- AC_DEFUN([AX_CONFIG_SUBDIR_OPTION],
- [
- AC_CONFIG_SUBDIRS([$1])
-
- m4_ifblank([$2], [rm -f $srcdir/$1/configure.gnu],
- [printf "#!/bin/sh
- "\$"SHELL "../$srcdir/$1/configure" $2 \""\$"@"\" > "$srcdir/$1/configure.gnu"
- ])
- ])
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