diff options
Diffstat (limited to 'libpng/scripts/pnglibconf.mak')
| -rwxr-xr-x | libpng/scripts/pnglibconf.mak | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libpng/scripts/pnglibconf.mak b/libpng/scripts/pnglibconf.mak new file mode 100755 index 00000000..c125ca2c --- /dev/null +++ b/libpng/scripts/pnglibconf.mak @@ -0,0 +1,55 @@ +#!/usr/bin/make -f +# pnglibconf.mak - standard make lines for pnglibconf.h +# +# These lines are copied from Makefile.am, they illustrate +# how to automate the build of pnglibconf.h from scripts/pnglibconf.dfa +# 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). +AWK = gawk +AWK = mawk +AWK = nawk +AWK = one-true-awk +AWK = awk # Crashes on SunOS 5.10 - use 'nawk' +CPP = $(CC) -E # On SUN OS 5.10 if this causes problems use /lib/cpp + +MOVE = mv +DELETE = rm -f +ECHO = echo +DFA_XTRA = # Put your configuration file here, see scripts/pnglibconf.dfa. Eg: +# DFA_XTRA = pngusr.dfa + +# 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.prebuilt, +# copy this if the following doesn't work. +pnglibconf.h: pnglibconf.dfn + $(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="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.c pnglibconf.out pnglibconf.pre \ + pnglibconf.dfn + +clean: clean-pnglibconf |