cpprules.in (935B)
1 # Translate XCOMM into pound sign with sed, rather than passing -DXCOMM=XCOMM 2 # to cpp, because that trick does not work on all ANSI C preprocessors. 3 # Delete line numbers from the cpp output (-P is not portable, I guess). 4 # Allow XCOMM to be preceded by whitespace and provide a means of generating 5 # output lines with trailing backslashes. 6 # Allow XHASH to always be substituted, even in cases where XCOMM isn't. 7 8 CPP_SED_MAGIC = $(SED) -e '/^\# *[0-9][0-9]* *.*$$/d' \ 9 -e '/^\#line *[0-9][0-9]* *.*$$/d' \ 10 -e '/^[ ]*XCOMM$$/s/XCOMM/\#/' \ 11 -e '/^[ ]*XCOMM[^a-zA-Z0-9_]/s/XCOMM/\#/' \ 12 -e '/^[ ]*XHASH/s/XHASH/\#/' \ 13 -e '/XSLASHGLOB/s/XSLASHGLOB/\/\*/' \ 14 -e '/\@\@$$/s/\@\@$$/\\/' 15 16 SUFFIXES = .cpp 17 18 .cpp: 19 $(AM_V_GEN)$(RAWCPP) $(RAWCPPFLAGS) $(CPP_FILES_FLAGS) < $< | $(CPP_SED_MAGIC) > $@