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https://github.com/darlinghq/darling-gdb.git
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a088fb62b3
For VMS gas port, make libiberty build on its own instead of driving it all out of the gas directory. Also improve some of the libiberty support for VMS.
100 lines
3.2 KiB
Bash
100 lines
3.2 KiB
Bash
#!/bin/sh
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cat << 'EOF'
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$! Set the def dir to proper place for use in batch. Works for interactive to.
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$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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$v = 'f$verify(0)'
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$!
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$! Command file to build a GNU assembler on VMS
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$!
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$! If you are using a version of GCC that supports global constants
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$! you should remove the define="const=" from the gcc lines.
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$!
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$! Caution: Versions 1.38.1 and earlier had a bug in the handling of
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$! some static constants. If you are using such a version of the
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$! assembler, and you wish to compile without the "const=" hack,
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$! you should first build this version *with* the "const="
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$! definition, and then use that assembler to rebuild it without the
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$! "const=" definition. Failure to do this will result in an assembler
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$! that will mung floating point constants.
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$!
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$! Note: The version of gas shipped on the GCC VMS tapes has been patched
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$! to fix the above mentioned bug.
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$!
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$ !The gcc-vms driver was modified to use `-1' quite some time ago,
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$ !so don't echo this text any more...
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$ !write sys$output "If this assembler is going to be used with GCC 1.n, you"
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$ !write sys$output "need to modify the driver to supply the -1 switch to gas."
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$ !write sys$output "This is required because of a small change in how global"
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$ !write sys$output "constant variables are handled. Failure to include this"
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$ !write sys$output "will result in linker warning messages about mismatched
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$ !write sys$output "psect attributes."
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$!
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$ C_DEFS :="""VMS"""
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$! C_DEFS :="""VMS""","""const="""
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$ C_INCLUDES = "/Include=([],[.config],[-.include],[-.include.aout])"
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$ C_FLAGS = "/noVerbose/Debug" + c_includes
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$!
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$!
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$ on error then goto bail
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$ if f$search("[-.libiberty]liberty.olb").eqs.""
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$ then @[-.libiberty]vmsbuild.com
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$ write sys$output "Now building gas."
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$ endif
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$ if "''p1'" .eqs. "LINK" then goto Link
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$!
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$! This helps gcc 1.nn find the aout/* files.
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$!
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$ aout_dev = f$parse(flnm,,,"DEVICE")
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$ tmp = aout_dev - ":"
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$if f$trnlnm(tmp).nes."" then aout_dev = f$trnlnm(tmp)
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$ aout_dir = aout_dev+f$parse(flnm,,,"DIRECTORY")' -
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- "GAS]" + "INCLUDE.AOUT.]" - "]["
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$assign 'aout_dir' aout/tran=conc
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$ opcode_dir = aout_dev+f$parse(flnm,,,"DIRECTORY")' -
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- "GAS]" + "INCLUDE.OPCODE.]" - "]["
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$assign 'opcode_dir' opcode/tran=conc
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$!
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$ set verify
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$!
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EOF
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cfiles="`echo $* | sed -e 's/\.o/.c/g' -e 's!../\([^ /]*\)/\([^ /]*\.c\)![-.\1]\2!g'`"
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for cfile in $cfiles ; do
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case $cfile in
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"[-."*)
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base=`echo $cfile | sed -e 's/\[.*\]//' -e 's/\.c$//'`
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echo "\$ gcc 'c_flags'/Define=('C_DEFS')/Object=[]$base.obj $cfile"
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;;
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*)
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echo "\$ gcc 'c_flags'/Define=('C_DEFS') $cfile"
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;;
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esac
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done
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cat << 'EOF'
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$link:
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$!'f$verify(0)'
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$ set verify=(Proc,noImag)
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$ link/noMap/Exec=gcc-as version.opt/Opt+sys$input:/Opt
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!
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! Linker options file for GNU assembler
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!
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EOF
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for obj in $* ; do
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# Change "foo.o" into "foo.obj".
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echo ${obj}bj,- | sed 's!.*/!!g'
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done
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cat << 'EOF'
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[-.libiberty]liberty.olb/Lib
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gnu_cc:[000000]gcclib.olb/Lib,sys$library:vaxcrtl.olb/Lib
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! Tell linker exactly what psect attributes we want -- match VAXCRTL.
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psect_attr=ENVIRON,long,pic,ovr,rel,gbl,noshr,noexe,rd,wrt
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$!
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$bail: exit $status + 0*f$verify(v) !'f$verify(0)'
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EOF
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