$! make libpng under VMS$!$!$! Check for MMK/MMS$!$! This procedure accepts one parameter (contrib), which causes it to build$! the programs from the contrib directory instead of libpng.$!$ p1 = f$edit(p1,"UPCASE")$ if p1 .eqs. "CONTRIB"$ then$   set def [.contrib.gregbook]$   @makevms$   set def [-.pngminus]$   @makevms$   set def [--]$   exit$ endif$ Make = ""$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS"$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK"$!$! Look for the compiler used$!$ zlibsrc = "[-.zlib]"$ ccopt="/include=''zlibsrc'"$ if f$getsyi("HW_MODEL").ge.1024$ then$  ccopt = "/prefix=all"+ccopt$  comp  = "__decc__=1"$  if f$trnlnm("SYS").eqs."" then define sys sys$library:$ else$  if f$search("SYS$SYSTEM:DECC$COMPILER.EXE").eqs.""$   then$    if f$trnlnm("SYS").eqs."" then define sys sys$library:$    if f$search("SYS$SYSTEM:VAXC.EXE").eqs.""$     then$      comp  = "__gcc__=1"$      CC :== GCC$     else$      comp = "__vaxc__=1"$     endif$   else$    if f$trnlnm("SYS").eqs."" then define sys decc$library_include:$    ccopt = "/decc/prefix=all"+ccopt$    comp  = "__decc__=1"$  endif$ endif$!$! Build the thing plain or with mms/mmk$!$ write sys$output "Compiling Libpng sources ..."$ if make.eqs.""$  then$   dele pngtest.obj;*$   CALL MAKE png.OBJ "cc ''CCOPT' png" -	png.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngset.OBJ "cc ''CCOPT' pngset" -	pngset.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngget.OBJ "cc ''CCOPT' pngget" -	pngget.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngread.OBJ "cc ''CCOPT' pngread" -	pngread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngpread.OBJ "cc ''CCOPT' pngpread" -	pngpread.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngrtran.OBJ "cc ''CCOPT' pngrtran" -	pngrtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngrutil.OBJ "cc ''CCOPT' pngrutil" -	pngrutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngerror.OBJ "cc ''CCOPT' pngerror" -	pngerror.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngmem.OBJ "cc ''CCOPT' pngmem" -	pngmem.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngrio.OBJ "cc ''CCOPT' pngrio" -	pngrio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngwio.OBJ "cc ''CCOPT' pngwio" -	pngwio.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngtrans.OBJ "cc ''CCOPT' pngtrans" -	pngtrans.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngwrite.OBJ "cc ''CCOPT' pngwrite" -	pngwrite.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngwtran.OBJ "cc ''CCOPT' pngwtran" -	pngwtran.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   CALL MAKE pngwutil.OBJ "cc ''CCOPT' pngwutil" -	pngwutil.c png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h$   write sys$output "Building Libpng ..."$   CALL MAKE libpng.OLB "lib/crea libpng.olb *.obj" *.OBJ$   write sys$output "Building pngtest..."$   CALL MAKE pngtest.OBJ "cc ''CCOPT' pngtest" -	pngtest.c png.h pngconf.h pnglibconf.h$   call make pngtest.exe -	"LINK pngtest,libpng.olb/lib,''zlibsrc'libz.olb/lib" -	pngtest.obj libpng.olb$   write sys$output "Testing Libpng..."$   run pngtest$  else$   if f$search("DESCRIP.MMS") .eqs. "" then copy/nolog [.SCRIPTS]DESCRIP.MMS []$   'make'/macro=('comp',zlibsrc='zlibsrc')$  endif$ write sys$output "Libpng build completed"$ exit$!$!$MAKE: SUBROUTINE   !SUBROUTINE TO CHECK DEPENDENCIES$ V = 'F$Verify(0)$! P1 = What we are trying to make$! P2 = Command to make it$! P3 - P8  What it depends on$$ If F$Search(P1) .Eqs. "" Then Goto Makeit$ Time = F$CvTime(F$File(P1,"RDT"))$arg=3$Loop:$       Argument = P'arg$       If Argument .Eqs. "" Then Goto Exit$       El=0$Loop2:$       File = F$Element(El," ",Argument)$       If File .Eqs. " " Then Goto Endl$       AFile = ""$Loop3:$       OFile = AFile$       AFile = F$Search(File)$       If AFile .Eqs. "" .Or. AFile .Eqs. OFile Then Goto NextEl$       If F$CvTime(F$File(AFile,"RDT")) .Ges. Time Then Goto Makeit$       Goto Loop3$NextEL:$       El = El + 1$       Goto Loop2$EndL:$ arg=arg+1$ If arg .Le. 8 Then Goto Loop$ Goto Exit$$Makeit:$ VV=F$VERIFY(0)$ write sys$output P2$ 'P2$ VV='F$Verify(VV)$Exit:$ If V Then Set Verify$ENDSUBROUTINE