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dnl AC_CONFIG_FILES conditionalization requires using AM_COND_IF, however
dnl AM_COND_IF is new to Automake 1.11. To use it on new Automake without
dnl requiring same, a fallback implementation for older Autoconf is provided.
dnl Note that disabling of AC_CONFIG_FILES requires Automake 1.11, this code
dnl is correct only in terms of m4sh generated script.
m4_ifndef([AM_COND_IF], [AC_DEFUN([AM_COND_IF], [
if test -z "$$1_TRUE"; then :
m4_n([$2])[]dnl
m4_ifval([$3],
[else
$3
])dnl
fi[]dnl
])])
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