14 lines
222 B
Plaintext
14 lines
222 B
Plaintext
dnl ##
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dnl ## Perform something only once
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dnl ##
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dnl ## configure.ac:
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dnl ## AC_ONCE(<action>)
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dnl ##
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m4_define([AC_ONCE],[
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ifelse(ac_once_$1, already_done, ,[
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m4_define(ac_once_$1, already_done)
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$2
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])dnl
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])
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