symbian-qemu-0.9.1-12/python-2.6.1/Modules/ld_so_aix
author martin.trojer@nokia.com
Fri, 31 Jul 2009 15:01:17 +0100
changeset 1 2fb8b9db1c86
permissions -rw-r--r--
Initial QEMU (symbian-qemu-0.9.1-12) import
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#!/bin/sh
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#
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#   ========================================================================
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#   FILE:           ld_so_aix
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#   TYPE:           executable, uses makexp_aix
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#   SYSTEM:         AIX
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#
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#   DESCRIPTION:    Creates a shareable .o from a set of pre-compiled 
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#                   (unshared) .o files
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#
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#   USAGE:          ld_so_aix [CC] [arguments]
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#
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#   ARGUMENTS:      Same as for "ld". The following arguments are processed
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#                   or supplied by this script (those marked with an asterisk
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#                   can be overriden from command line):
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#
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#                       Argument                     Default value
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#                   (*) -o [OutputFileName]          -o shr.o
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#                   (*) -e [EntryPointLabel]         -e init[OutputBaseName]
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#                   (*) -bE:[ExportFile]             -bE:[OutputBaseName].exp
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#                   (*) -bI:[ImportFile]             -bI:./python.exp
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#                       -bM:[ModuleType]             -bM:SRE
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#                       -bhalt:[Number]              -bhalt:4
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#                       -T[Number]                   -T512
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#                       -H[Number]                   -H512
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#                       -lm
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#
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#                   The compiler specific ("-lc" or "-lc_r", "-lpthreads",...)
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#                   arguments will be automatically passed to "ld" according
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#                   to the CC command provided as a first argument to this
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#                   script. Usually, the same CC command was used to produce
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#                   the pre-compiled .o file(s).
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#
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#   NOTES:          1.  Since "ld_so_aix" was originally written for building
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#                       shared modules for the Python interpreter, the -e and
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#                       -bI default values match Python's conventions. In
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#                       Python, the entry point for a shared module is based
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#                       on the module's name (e.g., the "mathmodule" will
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#                       expect an  entry point of "initmath").
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#                   2.  The script accepts multiple .o or .a input files and
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#                       creates a single (shared) output file. The export list
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#                       that is created is based on the output file's basename
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#                       with the suffix ".exp".
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#                   3.  The resulting shared object file is left in the
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#                       current directory.
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#                   4.  Uncommenting the "echo" lines gives detailed output
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#                       about the commands executed in the script.
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#
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#                       
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#   HISTORY:        Oct-1996    -- Support added for multiple .o files --
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#                               -- and optional arguments processing.  --
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#                   Chris Myers (myers@tc.cornell.edu), Keith Kwok
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#                   (kkwok@tc.cornell.edu) and Vladimir Marangozov
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#
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#                   Aug-6-1996  -- Take care of the compiler specific  --
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#                               -- args by leaving CC to invoke "ld".  --
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#                   Vladimir Marangozov
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#
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#                   Jul-1-1996  -- Make sure to use /usr/ccs/bin/ld    --
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#                               -- Use makexp_aix for the export list. --
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#                   Vladimir Marangozov     (Vladimir.Marangozov@imag.fr)
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#
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#                   Manus Hand (mhand@csn.net) -- Initial code -- 6/24/96
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#   ========================================================================
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#
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usage="Usage: ld_so_aix [CC command] [ld arguments]"
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if test ! -n "$*"; then
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  echo $usage; exit 2
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fi
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makexp=`dirname $0`/makexp_aix
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# Check for existence of compiler.
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CC=$1; shift
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whichcc=`which $CC`
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if test ! -x "$whichcc"; then
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  echo "ld_so_aix: Compiler '$CC' not found; exiting."
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  exit 2
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fi
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if test ! -n "$*"; then
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  echo $usage; exit 2
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fi
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# Default import file for Python
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# Can be overriden by providing a -bI: argument.
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impfile="./python.exp"
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# Parse arguments
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while test -n "$1"
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do
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  case "$1" in
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    -e | -Wl,-e)
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        if test -z "$2"; then
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	  echo "ld_so_aix: The -e flag needs a parameter; exiting."; exit 2
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	else
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	  shift; entry=$1
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	fi
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	;;
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    -e* | -Wl,-e*)
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	entry=`echo $1 | sed -e "s/-Wl,//" -e "s/-e//"`
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	;;
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    -o)
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	if test -z "$2"; then
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	  echo "ld_so_aix: The -o flag needs a parameter; exiting."; exit 2
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	else
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	  shift; objfile=$1
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	fi
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	;;
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    -o*)
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	objfile=`echo $1 | sed "s/-o//"`
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	;;
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    -bI:* | -Wl,-bI:*)
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	impfile=`echo $1 | sed -e "s/-Wl,//" -e "s/-bI://"`
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	;;
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   118
    -bE:* | -Wl,-bE:*)
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   119
	expfile=`echo $1 | sed -e "s/-Wl,//" -e "s/-bE://"`
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	;;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    *.o | *.a)
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	objs="$objs $1"
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	args="$args $1"
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	;;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    -bM:* | -Wl,-bM:* | -H* | -Wl,-H* | -T* | -Wl,-T* | -lm)
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	;;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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    *)
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        args="$args $1"
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	;;
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  esac
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  shift
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done
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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if test -z "$objs"; then
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  echo "ld_so_aix: No input files; exiting."
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  exit 2
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elif test ! -r "$impfile"; then
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  echo "ld_so_aix: Import file '$impfile' not found or not readable; exiting."
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  exit 2
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fi
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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# If -o wasn't specified, assume "-o shr.o"
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if test -z "$objfile"; then
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  objfile=shr.o
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   146
fi
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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filename=`basename $objfile | sed "s/\.[^.]*$//"`
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2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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# If -bE: wasn't specified, assume "-bE:$filename.exp"
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parents:
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   151
if test -z "$expfile"; then
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  expfile="$filename.exp"
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   153
fi
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   154
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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# Default entry symbol for Python modules = init[modulename]
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   156
# Can be overriden by providing a -e argument.
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   157
if test -z "$entry"; then
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   158
  entry=init`echo $filename | sed "s/module.*//"`
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parents:
diff changeset
   159
fi
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   160
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   161
#echo "ld_so_aix: Debug info section"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   162
#echo "  -> output file : $objfile"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   163
#echo "  -> import file : $impfile"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   164
#echo "  -> export file : $expfile"
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   165
#echo "  -> entry point : $entry"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   166
#echo "  -> object files: $objs"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   167
#echo "  -> CC arguments: $args"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   168
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   169
CCOPT="-Wl,-e$entry -Wl,-bE:$expfile -Wl,-bI:$impfile -Wl,-bhalt:4"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   170
CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -lm -o $objfile"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   171
# Note: to use dynamic libraries like libtcl8.4.so and libtk8.4.so 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
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   172
# you may need to replace the second CCOPT line above with the following:
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   173
# CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -brtl -bnortllib -lm -o $objfile"
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parents:
diff changeset
   174
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   175
CCARGS="$args"
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   176
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   177
# Export list generation.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   178
#echo $makexp $expfile "$objfile" $objs
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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   179
$makexp $expfile "$objfile" $objs
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diff changeset
   180
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   181
# Perform the link.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   182
#echo $CC $CCOPT $CCARGS
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   183
$CC $CCOPT $CCARGS
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parents:
diff changeset
   184
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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diff changeset
   185
# Delete the module's export list file.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   186
# Comment this line if you need it.
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
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parents:
diff changeset
   187
rm -f $expfile