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| author | John Bowler <jbowler@acm.org> | 2013-02-15 23:40:34 -0600 |
|---|---|---|
| committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2013-02-15 23:40:34 -0600 |
| commit | 42835d3d19868af2bc22d8f1efc501b8a97cc526 (patch) | |
| tree | 57095f75b2914983589f0234d23b8d35b585abd7 /scripts/pnglibconf.mak | |
| parent | 2d99978f67d69046fd21c8b99ef292f43d6653d3 (diff) | |
| download | libpng-42835d3d19868af2bc22d8f1efc501b8a97cc526.tar.gz | |
[libpng16] Ported libpng 1.5 options.awk/dfn file handling to 1.6, fixed one bug.
Diffstat (limited to 'scripts/pnglibconf.mak')
| -rwxr-xr-x | scripts/pnglibconf.mak | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/scripts/pnglibconf.mak b/scripts/pnglibconf.mak index c799fb790..c7117ddc4 100755 --- a/scripts/pnglibconf.mak +++ b/scripts/pnglibconf.mak @@ -3,7 +3,7 @@ # # These lines are copied from Makefile.am, they illustrate # how to automate the build of pnglibconf.h from scripts/pnglibconf.dfa -# given 'awk' and 'sed' +# given just 'awk', a C preprocessor and standard command line utilities # Override as appropriate, these definitions can be overridden on # the make command line (AWK='nawk' for example). @@ -12,10 +12,9 @@ AWK = mawk AWK = nawk AWK = one-true-awk AWK = awk # Crashes on SunOS 5.10 - use 'nawk' -CPP = $(CC) -E # Does not work on SUN OS 5.10 - use /lib/cpp -SED = sed +CPP = $(CC) -E # On SUN OS 5.10 if this causes problems use /lib/cpp -COPY = cp +MOVE = mv DELETE = rm -f ECHO = echo DFA_XTRA = # Put your configuration file here, see scripts/pnglibconf.dfa. Eg: @@ -32,28 +31,24 @@ srcdir = . # The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt, # copy this if the following doesn't work. pnglibconf.h: pnglibconf.dfn - $(DELETE) $@ dfn.c dfn1.out dfn2.out dfn3.out - $(ECHO) '#include "pnglibconf.dfn"' >dfn.c - $(CPP) $(DFNFLAGS) dfn.c >dfn1.out - $(ECHO) "If 'cpp -e' crashes try /lib/cpp (e.g. CPP='/lib/cpp')" >&2 - $(SED) -n -e 's|^.*PNG_DEFN_MAGIC *-\(.*\)- *PNG_DEFN_END.*$$|\1|p'\ - dfn1.out >dfn2.out - $(SED) -e 's| *PNG_JOIN *||g' -e 's| *$$||' dfn2.out >dfn3.out - $(COPY) dfn3.out $@ - $(DELETE) dfn.c dfn1.out dfn2.out dfn3.out - -pnglibconf.dfn: $(srcdir)/scripts/pnglibconf.dfa $(srcdir)/scripts/options.awk $(srcdir)/pngconf.h $(srcdir)/pngusr.dfa - $(DELETE) $@ dfn1.out dfn2.out + $(DELETE) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp + $(ECHO) '#include "pnglibconf.dfn"' >pnglibconf.c + $(ECHO) "If '$(CC) -E' crashes try /lib/cpp (e.g. CPP='/lib/cpp')" >&2 + $(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out + $(AWK) -f "$(srcdir)/scripts/dfn.awk" out="pnglibconf.tmp" pnglibconf.out 1>&2 + $(MOVE) pnglibconf.tmp $@ + +pnglibconf.dfn: $(srcdir)/scripts/pnglibconf.dfa $(srcdir)/scripts/options.awk $(srcdir)/pngconf.h $(srcdir)/pngusr.dfa $(DFA_XTRA) + $(DELETE) $@ pnglibconf.pre pnglibconf.tmp $(ECHO) "Calling $(AWK) from scripts/pnglibconf.mak" >&2 $(ECHO) "If 'awk' crashes try a better awk (e.g. AWK='nawk')" >&2 - $(AWK) -f $(srcdir)/scripts/options.awk out=dfn1.out version=search\ - $(srcdir)/pngconf.h $(srcdir)/scripts/pnglibconf.dfa\ - $(srcdir)/pngusr.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 + $(AWK) -f $(srcdir)/scripts/options.awk out="pnglibconf.pre"\ + version=search $(srcdir)/pngconf.h $(srcdir)/scripts/pnglibconf.dfa\ + $(srcdir)/pngusr.dfa $(DFA_XTRA) 1>&2 + $(AWK) -f $(srcdir)/scripts/options.awk out="pnglibconf.tmp" pnglibconf.pre 1>&2 + $(MOVE) pnglibconf.tmp $@ clean-pnglibconf: - $(DELETE) pnglibconf.h pnglibconf.dfn dfn.c dfn1.out dfn2.out dfn3.out + $(DELETE) pnglibconf.* clean: clean-pnglibconf |