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[linux-2.6.git] / scripts / Makefile.lib
index 6e75ced..3a7663b 100644 (file)
@@ -232,30 +232,3 @@ descend =$(Q)$(MAKE) -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build ob
 # Usage:
 # $(Q)$(MAKE) $(build)=dir
 build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
-
-# filechk is used to check if the content of a generated file is updated.
-# Sample usage:
-# define filechk_sample
-#      echo $KERNELRELEASE
-# endef
-# version.h : Makefile
-#      $(call filechk,sample)
-# The rule defined shall write to stdout the content of the new file.
-# The existing file will be compared with the new one.
-# - If no file exist it is created
-# - If the content differ the new file is used
-# - If they are equal no change, and no timestamp update
-
-define filechk
-       $(Q)set -e;                             \
-       echo '  CHK     $@';                    \
-       mkdir -p $(dir $@);                     \
-       $(filechk_$(1)) $(2) > $@.tmp;          \
-       if [ -r $@ ] && cmp -s $@ $@.tmp; then  \
-               rm -f $@.tmp;                   \
-       else                                    \
-               echo '  UPD     $@';            \
-               mv -f $@.tmp $@;                \
-       fi
-endef
-