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f32ffdef90
I need to add feature test written in assembly to check if the feature can be compiled. Add a make function for this purpose. Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com> Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
35 lines
1.1 KiB
Makefile
35 lines
1.1 KiB
Makefile
ifndef ____nmk_defined__utils
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#
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# Usage: option := $(call try-compile,language,source-to-build,cc-options,cc-defines)
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try-compile = $(shell sh -c 'echo "$(2)" | \
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$(CC) $(4) -x $(1) - $(3) -o /dev/null > /dev/null 2>&1 && \
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echo true || echo false')
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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 = $(call try-compile,c,$(1),$(2),$(3))
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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-asm = $(call try-compile,assembler-with-cpp,$(1),$(2),$(3))
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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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