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Description:
Generating header files

Applicability:
all

Files:

Depends-on:

configure.ac:

Makefile.am:
# In 'sed', prepend a "DO NOT EDIT" comment to the pattern space.
SED_HEADER_NOEDIT = s,^,/* DO NOT EDIT! GENERATED AUTOMATICALLY! */,

# '$(SED_HEADER_STDOUT) -e "..."' runs 'sed' but first outputs "DO NOT EDIT".
SED_HEADER_STDOUT = sed \
  -e x \
  -e '1$(SED_HEADER_NOEDIT)p' \
  -e x

# '$(SED_HEADER_TO_AT_t) FILE' copies FILE to $@-t, prepending a leading
# "DO_NOT_EDIT".  Although this could be done more simply via:
#	SED_HEADER_TO_AT_t = $(SED_HEADER_STDOUT) > $@-t
# the -n and 'w's avoid a fork+exec, at least when GNU Make is used.
SED_HEADER_TO_AT_t = sed -n \
  -e x \
  -e '1$(SED_HEADER_NOEDIT)w $@-t' \
  -e x \
  -e 'w $@-t'

Include:

License:
LGPLv2+

Maintainer:
bug-gnulib@gnu.org