build: Add guards to ensure GNU Make is used
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4
Makefile
4
Makefile
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@ -1,3 +1,7 @@
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ifneq (,)
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This makefile requires GNU Make.
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endif
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PREFIX ?= /usr/local
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PREFIX ?= /usr/local
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DESTDIR ?=
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DESTDIR ?=
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@ -1,3 +1,7 @@
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ifneq (,)
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This makefile requires GNU Make.
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endif
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BUILDDIR =
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BUILDDIR =
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ifeq ($(BUILDDIR), )
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ifeq ($(BUILDDIR), )
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@ -1,3 +1,7 @@
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ifneq (,)
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This makefile requires GNU Make.
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endif
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TARGET =
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TARGET =
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BUILDDIR =
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BUILDDIR =
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