404   # set. Some files get their write permissions removed after being copied to the
 405   # output dir. When these are copied again to images, xattr would fail. By only clearing
 406   # attributes when they are present, failing on this is avoided.
 407   define install-file
 408         $(MKDIR) -p $(@D)
 409         $(CP) -fRP '$<' '$@'
 410         if [ -n "`$(XATTR) -l '$@'`" ]; then $(XATTR) -c '$@'; fi
 411   endef
 412 else
 413   define install-file
 414         $(MKDIR) -p $(@D)
 415         $(CP) -fP '$<' '$@'
 416   endef
 417 endif
 418 
 419 # Convenience functions for working around make's limitations with $(filter ).
 420 containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
 421 not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v))
 422 
 423 ifneq ($(DISABLE_CACHE_FIND), true)
 424 ################################################################################
 425 # In Cygwin, finds are very costly, both because of expensive forks and because
 426 # of bad file system caching. Find is used extensively in $(shell) commands to
 427 # find source files. This makes rerunning make with no or few changes rather
 428 # expensive. To speed this up, these two macros are used to cache the results
 429 # of simple find commands for reuse.
 430 #
 431 # Runs a find and stores both the directories where it was run and the results.
 432 # This macro can be called multiple times to add to the cache. Only finds files
 433 # with no filters.
 434 #
 435 # Needs to be called with $(eval )
 436 #
 437   # Even if the performance benifit is negligible on other platforms, keep the
 438   # functionality active unless explicitly disabled to exercise it more.
 439   #
 440   # Initialize FIND_CACHE_DIRS with := to make it a non recursively-expanded variable
 441   FIND_CACHE_DIRS :=
 442 # Param 1 - Dir to find in

 443   define FillCacheFind
 444     # Filter out already cached dirs. The - is needed when FIND_CACHE_DIR is empty
 445     # since filter out will then return empty.
 446     FIND_CACHE_NEW_DIRS := $$(filter-out $$(addsuffix /%,\
 447         - $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS), $1)
 448     ifneq ($$(FIND_CACHE_NEW_DIRS), )
 449       # Remove any trailing slash from dirs in the cache dir list
 450       FIND_CACHE_DIRS += $$(patsubst %/,%, $$(FIND_CACHE_NEW_DIRS))
 451       FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $$(FIND_CACHE_NEW_DIRS) -type f -o -type l))
 452     endif
 453   endef
 454 
 455 # Mimics find by looking in the cache if all of the directories have been cached.
 456 # Otherwise reverts to shell find. This is safe to call on all platforms, even if
 457 # cache is deactivated.
 458 #
 459 # The extra - is needed when FIND_CACHE_DIR is empty but should be harmless.
 460 # Param 1 - Dirs to find in
 461 define CacheFind


 462     $(if $(filter-out $(addsuffix /%,- $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS),$1), \
 463     $(shell $(FIND) $1 -type f -o -type l), \
 464     $(filter $(addsuffix %,$1),$(FIND_CACHE)))
 465 endef
 466 else
 467   # If CacheFind is disabled, just run the find command.


 468   define CacheFind
 469     $(shell $(FIND) $1 -type f -o -type l)
 470   endef
 471 endif
 472 
 473 ################################################################################
 474 
 475 endif # _MAKEBASE_GMK

 404   # set. Some files get their write permissions removed after being copied to the
 405   # output dir. When these are copied again to images, xattr would fail. By only clearing
 406   # attributes when they are present, failing on this is avoided.
 407   define install-file
 408         $(MKDIR) -p $(@D)
 409         $(CP) -fRP '$<' '$@'
 410         if [ -n "`$(XATTR) -l '$@'`" ]; then $(XATTR) -c '$@'; fi
 411   endef
 412 else
 413   define install-file
 414         $(MKDIR) -p $(@D)
 415         $(CP) -fP '$<' '$@'
 416   endef
 417 endif
 418 
 419 # Convenience functions for working around make's limitations with $(filter ).
 420 containing = $(foreach v,$2,$(if $(findstring $1,$v),$v))
 421 not-containing = $(foreach v,$2,$(if $(findstring $1,$v),,$v))
 422 
 423 ifneq ($(DISABLE_CACHE_FIND), true)
 424   ################################################################################
 425   # In Cygwin, finds are very costly, both because of expensive forks and because
 426   # of bad file system caching. Find is used extensively in $(shell) commands to
 427   # find source files. This makes rerunning make with no or few changes rather
 428   # expensive. To speed this up, these two macros are used to cache the results
 429   # of simple find commands for reuse.
 430   #
 431   # Runs a find and stores both the directories where it was run and the results.
 432   # This macro can be called multiple times to add to the cache. Only finds files
 433   # with no filters.
 434   #
 435   # Needs to be called with $(eval )
 436   #
 437   # Even if the performance benifit is negligible on other platforms, keep the
 438   # functionality active unless explicitly disabled to exercise it more.
 439   #
 440   # Initialize FIND_CACHE_DIRS with := to make it a non recursively-expanded variable
 441   FIND_CACHE_DIRS :=
 442   # Param 1 - Dirs to find in
 443   # Param 2 - (optional) specialization
 444   define FillCacheFind
 445     # Filter out already cached dirs. The - is needed when FIND_CACHE_DIR is empty
 446     # since filter out will then return empty.
 447     FIND_CACHE_NEW_DIRS := $$(filter-out $$(addsuffix /%,\
 448         - $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS), $1)
 449     ifneq ($$(FIND_CACHE_NEW_DIRS), )
 450       # Remove any trailing slash from dirs in the cache dir list
 451       FIND_CACHE_DIRS += $$(patsubst %/,%, $$(FIND_CACHE_NEW_DIRS))
 452       FIND_CACHE := $$(sort $$(FIND_CACHE) $$(shell $(FIND) $$(FIND_CACHE_NEW_DIRS) \( -type f -o -type l \) $2))
 453     endif
 454   endef
 455 
 456   # Mimics find by looking in the cache if all of the directories have been cached.
 457   # Otherwise reverts to shell find. This is safe to call on all platforms, even if
 458   # cache is deactivated.
 459   #
 460   # The extra - is needed when FIND_CACHE_DIR is empty but should be harmless.
 461   #
 462   # Param 1 - Dirs to find in
 463   # Param 2 - (optional) specialization
 464   define CacheFind
 465     $(if $(filter-out $(addsuffix /%,- $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS),$1), \
 466     $(shell $(FIND) $1 \( -type f -o -type l \) $2), \
 467     $(filter $(addsuffix %,$1),$(FIND_CACHE)))
 468   endef
 469 else
 470   # If CacheFind is disabled, just run the find command.
 471   # Param 1 - Dirs to find in
 472   # Param 2 - (optional) specialization
 473   define CacheFind
 474     $(shell $(FIND) $1 \( -type f -o -type l \) $2)
 475   endef
 476 endif
 477 
 478 ################################################################################
 479 
 480 endif # _MAKEBASE_GMK