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Diffstat (limited to 'package/pkg-utils.mk')
| -rw-r--r-- | package/pkg-utils.mk | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/package/pkg-utils.mk b/package/pkg-utils.mk index c5d4080c7..38d00dbbf 100644 --- a/package/pkg-utils.mk +++ b/package/pkg-utils.mk @@ -45,6 +45,13 @@ INFLATE.tar = cat # suitable-extractor(filename): returns extractor based on suffix suitable-extractor = $(INFLATE$(suffix $(1))) +# extractor-dependency(filename): returns extractor for 'filename' if the +# extractor is a dependency. If we build the extractor return nothing. +# $(firstword) is used here because the extractor can have arguments, like +# ZCAT="gzip -d -c", and to check for the dependency we only want 'gzip'. +extractor-dependency = $(firstword $(INFLATE$(filter-out \ + $(EXTRACTOR_DEPENDENCY_PRECHECKED_EXTENSIONS),$(suffix $(1))))) + # check-deprecated-variable -- throw an error on deprecated variables # example: # $(eval $(call check-deprecated-variable,FOO_MAKE_OPT,FOO_MAKE_OPTS)) |