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dthelp/parser/pass1: get it to build

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So this is going to be tricky/painful getting this parser fully
operational.  It's pretty hairy with various interdependencies and
generated code.

It's rather complicated how each sub dir depends on the previous one.
Also, the parser subdir has dependencies on the helptag subdir, and
vice-versa, so some hackery was needed to get that to work.

Due to the wierd interdepencencies between helptag and parser,
we disable parallel builds there.

This is some really horrible code and design - not surprising since it
dates to 1989.

I think it should just be removed -- who can maintain or refactor this
code?

Also, dthelp_htag1 is now built in pass1/parser/, not in
pass1/helptag/ as it used to be.
This commit is contained in:
Jon Trulson
2020-04-15 11:34:01 -06:00
parent 349802ddd3
commit 6da55905ec
10 changed files with 135 additions and 118 deletions
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49
cde/programs/dthelp/parser/pass1/build/Makefile.am
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@@ -2,10 +2,6 @@ MAINTAINERCLEANFILES = Makefile.in
noinst_PROGRAMS = build
ARCCMD = arc u
UNARCCMD = arc x
ARCDELCMD = arc d
HELPTAG = ..
HELPTAGSRC = $(HELPTAG)/helptag
HELPPARSERSRC = $(HELPTAG)/parser
@@ -17,15 +13,7 @@ HELPUTILLIB = $(HELPTAG)/util/libutil.a
build_CFLAGS = -I$(HELPUTILSRC)
build_LDADD = -l$(HELPUTILLIB)
if HPUX
build_LDFLAGS = -Wl,-a archive
endif
if SOLARIS
.NO_PARALLEL:
endif
build_LDADD = ../util/libutil.a
build_SOURCES = build.c buildutl.c eltree.c except.c fsa.c out.c param.c \
scan.c sref.c tree.c
@@ -43,28 +31,25 @@ CPRODS = $(CHPRODS) $(CCPRODS)
BPRODS = $(BHPRODS) $(BCPRODS)
TRASH = error delim.dat template
PRODUCTS = $(CPRODS) $(BPRODS)
BUILT_SOURCES = $(CPRODS) $(BPRODS)
CLEANFILES = $(BUILT_SOURCES) $(TRASH) BDONE CDONE
all:: $(PRODUCTS)
# We want the commands that actually create BPRODS and CPRODS to only
# run once during a make so we gate them using these CDONE and BDONE
# targets. This allows us to enable parallel building too.
$(BPRODS): BDONE
$(BPRODS): build $(HELPDTDFILE)
$(RM) $(BPRODS) $(BTRASH)
./build < $(HELPDTDFILE)
$(CPRODS): CDONE
$(CPRODS): $(HELPUTILSRC)/context $(HELPTAGSRC)/delim.bld context.dat
$(RM) $(CPRODS) $(CTRASH)
$(CP) $(HELPTAGSRC)/delim.bld delim.dat #appl.-specific delim.dat
$(HELPUTILSRC)/context sparse
# build the BRPODS
BDONE: ./build $(HELPDTDFILE)
$(RM) $(BPRODS) $(BTRASH) && ./build < $(HELPDTDFILE) && touch BDONE
$(HELPUTILSRC)/context:
cd $(HELPUTILSRC); make context
arc package :
if exist util.arc $(CP) build.arc old.arc
$(ARCCMD) util.arc *.c *.h makefile
# build the CRPODS
CDONE: $(HELPUTILSRC)/context $(HELPTAGSRC)/delim.bld context.dat
$(RM) $(CPRODS) $(CTRASH)
$(CP) $(HELPTAGSRC)/delim.bld delim.dat # appl.-specific delim.dat
$(HELPUTILSRC)/context sparse
touch CDONE
unarc dearc :
$(UNARCCMD) util.arc
clean::
$(RM) $(PRODUCTS) $(TRASH)