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configure.ac

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  • config_subdir.m4 811 B
    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],
    [echo -e '#!/bin/sh\nexec "`dirname "'\$'0"`/configure" $2 "'\$'@"' > "$srcdir/$1/configure.gnu"
    ])
    ])