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72 lines
2.5 KiB
Plaintext
72 lines
2.5 KiB
Plaintext
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$! make-gcc.com -- VMS build procedure for GNU CC.
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$!
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$! Usage:
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$! $ @make-gcc.com [host-compiler] [component list]
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$!
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$! where [host-compiler] is one of "GNUC", "VAXC", "DECC";
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$! default when none specified is "GNUC",
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$! and where [component list] is space separated list beginning
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$! with "CC1" and optionally followed by "CC1PLUS"; default if
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$! nothing is specified is "CC1" (the C compiler); choosing
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$! "CC1PLUS" (the C++ compiler) without also specifying "CC1"
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$! will not work. (See make-cc1.com for other potential component
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$! values; but unless you're developing or debugging the compiler
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$! suite itself, the two above are the only ones of interest.)
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$!
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$! For a "stage 2" or subsequent build, always specify GNUC as
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$! the host compiler.
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$!
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$! Note:
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$! Even though it is possible to build with VAX C or DEC C,
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$! a prior version of the gcc-vms binary distribution is still
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$! required to be able to use the newly built GNU CC compiler(s),
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$! because the gcc source distribution does not supply the driver
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$! program which the DCL command "GCC" implements or the C header
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$! files and gcclib support library.
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$!
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$
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$!
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$! Change working directory to the location of this procedure.
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$!
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$ flnm = f$enviroment("PROCEDURE") !get current procedure name
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$ set default 'f$parse(flnm,,,"DEVICE")''f$parse(flnm,,,"DIRECTORY")'
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$
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$!
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$! First, we build the preprocessor.
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$!
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$ @make-cccp.com 'p1' 'p2'
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$!
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$! To install it, copy the resulting GCC-CPP.EXE to the GNU_CC:[000000]
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$! directory.
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$!
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$
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$!
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$! Now we build the C compiler. To build the C++ compiler too, use
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$! $ @make-gcc GNUC cc1 cc1plus
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$! when invoking this command procedure. Note that you should not
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$! do this for a "stage 1" build.
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$!
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$ @make-cc1.com 'p1' 'p2' 'p3' 'p4' 'p5' 'p6' 'p7' 'p8'
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$!
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$! To install it (them), copy the resulting GCC-CC1.EXE (and GCC-CC1PLUS.EXE)
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$! to the GNU_CC:[000000] directory.
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$!
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$
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$!
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$! Now we build the `libgcc2' support library. It will need to be merged
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$! with the existing gcclib.olb library.
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$!
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$ @make-l2.com 'p1' 'p2' 'p3' 'p4' 'p5' 'p6' 'p7' 'p8'
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$!
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$! To install, save a backup copy of GNU_CC:[000000]GCCLIB.OLB somewhere,
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$! then update the original using the newly created LIBGCC2.OLB via
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$! $ library/Obj libgcc2.olb /Extract=*/Output=libgcc2.obj
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$! $ library/Obj gnu_cc:[000000]gcclib.olb libgcc2.obj /Replace
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$!
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$! Depending upon how old your present gcclib library is, you might have
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$! to delete some modules, such as `eprintf' and `new', to avoid conflicting
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$! symbols from obsolete routines. After deleting any such modules, just
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$! repeat the `library/replace' step.
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$!
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$ exit
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