23 lines
501 B
Makefile
23 lines
501 B
Makefile
# Macro to compare two x.y.z versions.
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#
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# Usage:
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# ifeq ($(call compare_version,$(ERTS_VER),$(MAX_ERTS_VER),<),true)
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# # Only evaluated if $(ERTS_VER) < $(MAX_ERTS_VER)
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# endif
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define compare_version
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$(shell awk 'BEGIN {
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split("$(1)", v1, ".");
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version1 = v1[1] * 1000000 + v1[2] * 10000 + v1[3] * 100 + v1[4];
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split("$(2)", v2, ".");
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version2 = v2[1] * 1000000 + v2[2] * 10000 + v2[3] * 100 + v2[4];
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if (version1 $(3) version2) {
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print "true";
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} else {
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print "false";
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}
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}')
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endef
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