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20 lines
641 B
Plaintext
20 lines
641 B
Plaintext
# gnu-make.m4
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# serial 1
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dnl Copyright (C) 2007, 2009-2026 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This file is offered as-is, without any warranty.
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# Determine whether recent-enough GNU Make is being used.
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# Written by Paul Eggert.
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# Set GNU_MAKE if we are using a recent-enough version of GNU make.
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AC_DEFUN([gl_GNU_MAKE],
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[
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AM_CONDITIONAL([GNU_MAKE],
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[LC_ALL=C ${MAKE-make} --version 2>/dev/null | sed -e '2,$d' | grep GNU >/dev/null])
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])
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