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When performing static linking, the order of objects is important (when the linker finds an undefined reference, it looks forward, never back). Therefore, sorting objects breaks things. Required for the next patch. Cc: Cyrill Gorcunov <gorcunov@openvz.org> Acked-by: Cyrill Gorcunov <gorcunov@openvz.org> Signed-off-by: Kir Kolyshkin <kir@openvz.org> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
27 lines
808 B
Makefile
27 lines
808 B
Makefile
ifndef ____nmk_defined__utils
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#
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# Usage: option = $(call try-cc,source-to-build,cc-options,cc-defines)
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try-cc = $(shell sh -c 'echo "$(1)" | \
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$(CC) $(3) -x c - $(2) -o /dev/null > /dev/null 2>&1 && \
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echo true || echo false')
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# pkg-config-check
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# Usage: ifeq ($(call pkg-config-check, library),y)
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pkg-config-check = $(shell sh -c 'pkg-config $(1) && echo y')
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#
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# Remove duplicates.
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uniq = $(strip $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1))))
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#
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# Add $(obj)/ for paths that are not relative
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objectify = $(foreach o,$(1),$(if $(filter /% ./% ../%,$(o)),$(o),$(obj)/$(o)))
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# To cleanup entries.
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cleanify = $(foreach o,$(sort $(call uniq,$(1))),$(o) $(o:.o=.d) $(o:.o=.i) $(o:.o=.s) $(o:.o=.gcda) $(o:.o=.gcno))
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#
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# Footer.
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____nmk_defined__utils = y
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endif
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