$!------------------------------------------------------------------------------

$! make Contrib programs of libpng under OpenVMS

$!

$!

$! 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

$ open/write lopt lib.opt

$ write lopt "[--]libpng.olb/lib"

$ write lopt "''zlibsrc'libz.olb/lib"

$ close lopt

$ open/write xopt x11.opt

$ write xopt "sys$library:decw$xlibshr.exe/share"

$ close xopt

$ write sys$output "Compiling PNG contrib programs ..."

$ write sys$output "Building pnm2png..."

$ CALL MAKE pnm2png.OBJ "cc ''CCOPT' pnm2png" -

pnm2png.c

$ call make pnm2png.exe -

"LINK pnm2png,lib.opt/opt" -

pnm2png.obj

$ write sys$output "Building png2pnm..."

$ CALL MAKE png2pnm.OBJ "cc ''CCOPT' png2pnm" -

png2pnm.c

$ call make png2pnm.exe -

"LINK png2pnm,lib.opt/opt" -

png2pnm.obj

$ exit

$!

$!

$MAKE: SUBROUTINE !SUBROUTINE TO CHECK DEPENDENCIES

$ V = 'F$Verify(0)

$ 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