git.saurik.com Git - wxWidgets.git/blob - src/png/scripts/pnglibconf.mak

1 #!/usr/bin/make -f

2 # pnglibconf.mak - standard make lines for pnglibconf.h

4 # These lines are copied from Makefile.am, they illustrate

5 # how to automate the build of pnglibconf.h from scripts/pnglibconf.dfa

6 # given just 'awk', a C preprocessor and standard command line utilities

8 # Override as appropriate, these definitions can be overridden on

9 # the make command line (AWK='nawk' for example).

10 AWK = gawk

11 AWK = mawk

12 AWK = nawk

13 AWK = one-true-awk

14 AWK = awk # Crashes on SunOS 5.10 - use 'nawk'

15 CPP = $(CC) -E # On SUN OS 5.10 if this causes problems use /lib/cpp

17 MOVE = mv

18 DELETE = rm -f

19 ECHO = echo

20 DFA_XTRA = # Put your configuration file here, see scripts/pnglibconf.dfa. Eg:

21 # DFA_XTRA = pngusr.dfa

23 # CPPFLAGS should contain the options to control the result,

24 # but DEFS and CFLAGS are also supported here, override

25 # as appropriate

26 DFNFLAGS = $(DEFS) $(CPPFLAGS) $(CFLAGS)

28 # srcdir is a defacto standard for the location of the source

29 srcdir = .

31 # The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt,

32 # copy this if the following doesn't work.

33 pnglibconf.h: pnglibconf.dfn

34 $(DELETE) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp

35 $(ECHO) '#include "pnglibconf.dfn"' >pnglibconf.c

36 $(ECHO) "If '$(CC) -E' crashes try /lib/cpp (e.g. CPP='/lib/cpp')" >&2

37 $(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out

38 $(AWK) -f "$(srcdir)/scripts/dfn.awk" out="pnglibconf.tmp" pnglibconf.out 1>&2

39 $(MOVE) pnglibconf.tmp $@

41 pnglibconf.dfn: $(srcdir)/scripts/pnglibconf.dfa $(srcdir)/scripts/options.awk $(srcdir)/pngconf.h $(srcdir)/pngusr.dfa $(DFA_XTRA)

42 $(DELETE) $@ pnglibconf.pre pnglibconf.tmp

43 $(ECHO) "Calling $(AWK) from scripts/pnglibconf.mak" >&2

44 $(ECHO) "If 'awk' crashes try a better awk (e.g. AWK='nawk')" >&2

45 $(AWK) -f $(srcdir)/scripts/options.awk out="pnglibconf.pre"\

46 version=search $(srcdir)/pngconf.h $(srcdir)/scripts/pnglibconf.dfa\

47 $(srcdir)/pngusr.dfa $(DFA_XTRA) 1>&2

48 $(AWK) -f $(srcdir)/scripts/options.awk out="pnglibconf.tmp" pnglibconf.pre 1>&2

49 $(MOVE) pnglibconf.tmp $@

51 clean-pnglibconf:

52 $(DELETE) pnglibconf.*

54 clean: clean-pnglibconf