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