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[devel] Improved the options.awk script; added an "everything off" option.

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This commit is contained in:
Glenn Randers-Pehrson
2010-04-28 07:52:16 -05:00
parent 34713ce23c
commit cd74549840
20 changed files with 247 additions and 79 deletions
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12
scripts/pnglibconf.mak
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@@ -12,12 +12,16 @@ CPP = $(CC) -E
COPY = cp
DELETE = rm -f
ECHO = echo
DFA_XTRA = # Appended to scripts/options.awk
# CPPFLAGS should contain the options to control the result,
# but DEFS and CFLAGS are also supported here, override
# as appropriate
DFNFLAGS = $(DEFS) $(CPPFLAGS) $(CFLAGS)
# srcdir is a defacto standard for the location of the source
srcdir = .
# The standard pnglibconf.h exists as scripts/pnglibconf.h,
# copy this if the following doesn't work.
pnglibconf.h: pnglibconf.dfn
@@ -30,11 +34,11 @@ pnglibconf.h: pnglibconf.dfn
$(COPY) dfn3.out $@
$(DELETE) dfn.c dfn1.out dfn2.out dfn3.out
pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk
pnglibconf.dfn: $(srcdir)/scripts/pnglibconf.dfa $(srcdir)/scripts/options.awk
$(DELETE) $@ dfn1.out dfn2.out
$(AWK) -f scripts/options.awk pre=1 out=dfn1.out\
scripts/pnglibconf.dfa 1>&2
$(AWK) -f scripts/options.awk pre=0 out=dfn2.out dfn1.out 1>&2
$(AWK) -f $(srcdir)/scripts/options.awk out=dfn1.out\
$(srcdir)/scripts/pnglibconf.dfa $(DFA_XTRA) 1>&2
$(AWK) -f $(srcdir)/scripts/options.awk out=dfn2.out dfn1.out 1>&2
$(COPY) dfn2.out $@
$(DELETE) dfn1.out dfn2.out