Check libpng directly into third_party/

third_party/libpng/scripts/makefile.bor

+# Makefile for libpng
+# 16-bit Borland C++ (Note: All modules are compiled in C mode)
+# To build the library, do:
+#       "make -fmakefile.bor -DMODEL=c"
+# or:   "make -fmakefile.bor -DMODEL=l"
+#
+# ------------ Borland C++ ------------
+
+### Absolutely necessary for this makefile to work
+.AUTODEPEND
+
+## Where zlib.h, zconf.h and zlib_MODEL.lib are
+ZLIB_DIR=..\zlib
+
+## Compiler, linker, librarian and other tools
+CC=bcc
+LD=bcc
+LIB=tlib
+CP=copy
+
+!ifndef MODEL
+MODEL=l
+!endif
+
+MODEL_ARG=-m$(MODEL)
+
+#TARGET_CPU=3
+# 2 = 286, 3 = 386, etc.
+!ifndef TARGET_CPU
+TARGET_CPU=2
+!endif
+
+# Use this if you don't want Borland's fancy exception handling
+# (for Borland C++ 4.0 or later)
+#NOEHLIB=noeh$(MODEL).lib
+
+!ifdef DEBUG
+CDEBUG=-v
+LDEBUG=-v
+!else
+CDEBUG=
+LDEBUG=
+!endif
+
+# STACKOFLOW=1
+!ifdef STACKOFLOW
+CDEBUG=$(CDEBUG) -N
+LDEBUG=$(LDEBUG) -N
+!endif
+
+# -X- turn on dependency generation in the object file
+# -w  set all warnings on
+# -O2 optimize for speed
+# -Z  global optimization
+CPPFLAGS=-I$(ZLIB_DIR)
+CFLAGS=-O2 -Z -X- -w -$(TARGET_CPU) $(MODEL_ARG) $(CDEBUG)
+
+# -M  generate map file
+LDFLAGS=-M -L$(ZLIB_DIR) $(MODEL_ARG) $(LDEBUG)
+
+# Pre-built configuration
+# See scripts\pnglibconf.mak for more options
+!ifndef PNGLIBCONF_H_PREBUILT
+PNGLIBCONF_H_PREBUILT = scripts\pnglibconf.h.prebuilt
+!endif
+
+## Variables
+
+OBJS = \
+        png.obj \
+        pngerror.obj \
+        pngget.obj \
+        pngmem.obj \
+        pngpread.obj \
+        pngread.obj \
+        pngrio.obj \
+        pngrtran.obj \
+        pngrutil.obj \
+        pngset.obj \
+        pngtrans.obj \
+        pngwio.obj \
+        pngwrite.obj \
+        pngwtran.obj \
+        pngwutil.obj
+
+LIBOBJS = \
+        +png.obj \
+        +pngerror.obj \
+        +pngget.obj \
+        +pngmem.obj \
+        +pngpread.obj \
+        +pngread.obj \
+        +pngrio.obj \
+        +pngrtran.obj \
+        +pngrutil.obj \
+        +pngset.obj \
+        +pngtrans.obj \
+        +pngwio.obj \
+        +pngwrite.obj \
+        +pngwtran.obj \
+        +pngwutil.obj
+
+LIBNAME=libpng$(MODEL).lib
+
+## Implicit rules
+
+# Braces let make "batch" calls to the compiler,
+# 2 calls instead of 12; space is important.
+.c.obj:
+        $(CC) $(CPPFLAGS) $(CFLAGS) -c {$*.c }
+
+.c.exe:
+        $(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $*.c \
+          $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB)
+
+## Major targets
+
+all: libpng pngtest
+
+# try !include scripts\pnglibconf.mak for more options
+pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
+        $(CP) $(PNGLIBCONF_H_PREBUILT) $@
+
+libpng: $(LIBNAME)
+
+pngtest: pngtest$(MODEL).exe
+
+test: pngtest$(MODEL).exe
+        pngtest$(MODEL)
+
+## Minor Targets
+
+png.obj: png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngerror.obj: pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngget.obj: pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngmem.obj: pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngpread.obj: pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngread.obj: pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrio.obj: pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrtran.obj: pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrutil.obj: pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngset.obj: pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngtrans.obj: pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwio.obj: pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwrite.obj: pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwtran.obj: pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwutil.obj: pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+
+$(LIBNAME): $(OBJS)
+        -del $(LIBNAME)
+        $(LIB) $(LIBNAME) @&&|
+$(LIBOBJS), libpng$(MODEL)
+|
+
+pngtest$(MODEL).obj: pngtest.c png.h pngconf.h pnglibconf.h
+        $(CC) $(CFLAGS) -opngtest$(MODEL) -c pngtest.c
+
+pngtest$(MODEL).exe: pngtest$(MODEL).obj
+        $(LD) $(LDFLAGS) pngtest$(MODEL).obj $(LIBNAME) zlib_$(MODEL).lib $(NOEHLIB)
+
+# Clean up anything else you want
+clean:
+        -del pnglibconf.h
+        -del *.obj
+        -del *.exe
+        -del *.lib
+        -del *.lst
+        -del *.map
+
+# End of makefile for libpng