26 lines
1.0 KiB
Diff
26 lines
1.0 KiB
Diff
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diff --git a/make/PreInit.gmk b/make/PreInit.gmk
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index 3df44308dd..490d7c24e9 100644
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--- a/make/PreInit.gmk
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+++ b/make/PreInit.gmk
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@@ -60,13 +60,19 @@
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# Extract non-global targets that require a spec file.
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CALLED_SPEC_TARGETS := $(filter-out $(ALL_GLOBAL_TARGETS), $(CALLED_TARGETS))
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+# GNU make-4.4 (and later) include not just single-letter form of the
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+# options MAKEFILES but also long for and even some of the arguments.
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+# Skip long form and use only short form:
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+# MAKEFLAGS=' --debug=basic -- LOG=trace ...'
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+MAKEFLAGS_SINGLE_LETTER := $(firstword -$(MAKEFLAGS))
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+
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# If we have only global targets, or if we are called with -qp (assuming an
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# external part, e.g. bash completion, is trying to understand our targets),
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# we will skip SPEC location and the sanity checks.
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ifeq ($(CALLED_SPEC_TARGETS), )
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SKIP_SPEC := true
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endif
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-ifeq ($(findstring p, $(MAKEFLAGS))$(findstring q, $(MAKEFLAGS)), pq)
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+ifeq ($(findstring p, $(MAKEFLAGS_SINGLE_LETTER))$(findstring q, $(MAKEFLAGS_SINGLE_LETTER)), pq)
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SKIP_SPEC := true
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endif
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