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cpprules.in
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Alex Richardson
Fix cross-compilation from macOS
15 июн 2021, 10:47
15 июн 2021, 10:47
1c84583
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# -*- Makefile -*- # Rules for generating files using the C pre-processor # (Replaces CppFileTarget from Imake) C_SED = LC_CTYPE=C $(SED) SUFFIXES += .pre WCHAR32_FLAGS = -DWCHAR32=@WCHAR32@ CPP_FILES_FLAGS = $(WCHAR32_FLAGS) # Translate XCOMM into pound sign with sed, rather than passing -DXCOMM=XCOMM # to cpp, because that trick does not work on all ANSI C preprocessors. # Delete line numbers from the cpp output (-P is not portable, I guess). # Allow XCOMM to be preceded by whitespace and provide a means of generating # output lines with trailing backslashes. # Allow XHASH to always be substituted, even in cases where XCOMM isn't. CPP_SED_MAGIC = $(C_SED) -e '/^\# *[0-9][0-9]* *.*$$/d' \ -e '/^\#line *[0-9][0-9]* *.*$$/d' \ -e '/^[ ]*XCOMM$$/s/XCOMM/\#/' \ -e '/^[ ]*XCOMM[^a-zA-Z0-9_]/s/XCOMM/\#/' \ -e '/^[ ]*XHASH/s/XHASH/\#/' \ -e 's,X11_LOCALEDATADIR,$(X11_LOCALEDATADIR),g' \ -e '/\@\@$$/s/\@\@$$/\\/' \ -e '/^$$/d' .pre: @$(MKDIR_P) $(@D) $(AM_V_GEN)$(RAWCPP) $(RAWCPPFLAGS) $(CPP_FILES_FLAGS) < $< | $(CPP_SED_MAGIC) > $@