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svn+ssh://pythondev@svn.python.org/python/trunk ........ r72180 | antoine.pitrou | 2009-05-01 23:16:14 +0200 (ven., 01 mai 2009) | 4 lines Issue #5726: Make Modules/ld_so_aix return the actual exit code of the linker, rather than always exit successfully. Patch by Floris Bruynooghe. ........
191 lines
6.1 KiB
Bash
Executable File
191 lines
6.1 KiB
Bash
Executable File
#!/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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-bE:* | -Wl,-bE:*)
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expfile=`echo $1 | sed -e "s/-Wl,//" -e "s/-bE://"`
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;;
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*.o | *.a)
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objs="$objs $1"
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args="$args $1"
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;;
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-bM:* | -Wl,-bM:* | -H* | -Wl,-H* | -T* | -Wl,-T* | -lm)
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;;
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*)
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args="$args $1"
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;;
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esac
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shift
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done
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if test -z "$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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# 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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fi
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filename=`basename $objfile | sed "s/\.[^.]*$//"`
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# If -bE: wasn't specified, assume "-bE:$filename.exp"
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if test -z "$expfile"; then
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expfile="$filename.exp"
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fi
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# Default entry symbol for Python modules = init[modulename]
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# Can be overriden by providing a -e argument.
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if test -z "$entry"; then
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entry=init`echo $filename | sed "s/module.*//"`
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fi
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#echo "ld_so_aix: Debug info section"
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#echo " -> output file : $objfile"
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#echo " -> import file : $impfile"
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#echo " -> export file : $expfile"
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#echo " -> entry point : $entry"
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#echo " -> object files: $objs"
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#echo " -> CC arguments: $args"
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CCOPT="-Wl,-e$entry -Wl,-bE:$expfile -Wl,-bI:$impfile -Wl,-bhalt:4"
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CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -lm -o $objfile"
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# Note: to use dynamic libraries like libtcl8.4.so and libtk8.4.so
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# you may need to replace the second CCOPT line above with the following:
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# CCOPT="$CCOPT -Wl,-bM:SRE -Wl,-T512 -Wl,-H512 -brtl -bnortllib -lm -o $objfile"
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CCARGS="$args"
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# Export list generation.
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#echo $makexp $expfile "$objfile" $objs
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$makexp $expfile "$objfile" $objs
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# Perform the link.
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#echo $CC $CCOPT $CCARGS
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$CC $CCOPT $CCARGS
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retval=$?
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# Delete the module's export list file.
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# Comment this line if you need it.
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rm -f $expfile
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exit $retval
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