From ce5c270d5bce8ef9b9ff280338d577483bff03da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= <gbeauchesne@mandriva.org>
Date: Wed, 12 Jan 2005 17:22:02 +0000
Subject: Initial revision

---
 mkmultiarch          | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 multiarch-dispatch   | 23 +++++++++++++++++++++
 multiarch-dispatch.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 134 insertions(+)
 create mode 100755 mkmultiarch
 create mode 100755 multiarch-dispatch
 create mode 100644 multiarch-dispatch.h

diff --git a/mkmultiarch b/mkmultiarch
new file mode 100755
index 0000000..8f25e48
--- /dev/null
+++ b/mkmultiarch
@@ -0,0 +1,58 @@
+#!/bin/bash
+#---------------------------------------------------------------
+# Project         : Mandrakelinux
+# Module          : multiarch-utils
+# File            : mkmultiarch
+# Version         : $Id$
+# Author          : Gwenole Beauchesne
+# Created On      : Wed Jan 12 10:54:10 CET 2005
+#---------------------------------------------------------------
+
+usage="Usage: $0 <binaries|includes> <file1> [<file2> ...]"
+mplat=`multiarch-platform`
+type=$1
+case $type in
+    binaries|includes) shift;;
+    *) echo $usage; exit 1;;
+esac
+
+function error() {
+    echo ${1+"$@"} > /dev/stderr
+    exit 1
+}
+
+function dispatch_binaries() {
+    local file=$1
+    local bindir=`dirname $file`
+    local archbindir=$bindir/$mplat
+    [[ -d $archbindir ]] || mkdir -p $archbindir
+    mv $file $archbindir/
+    ln -s /usr/bin/multiarch-dispatch $file
+}
+
+function dispatch_includes() {
+    local file=$1
+    local incdir=`dirname $file`
+    local prefix=`echo $incdir | sed -n '/\(.*\/include\)\/.*/s//\1/p'`
+    [[ -z "$prefix" ]] && error "Unsupported includedir $incdir"
+    local suffix=`echo $incdir | sed -n '/.*\/include\/\(.*\)/s//\1/p'`
+    [[ -n "$suffix" ]] && suffix="$suffix/"
+    # dispatch nested includes expected in local directory
+    sed -n '/^#[ \t]*include[ \t]*"\([^"][^"]*\)".*/s//\1/p' $file | \
+    while read localfile; do
+	[[ -f "$incdir/$localfile" ]] && dispatch_includes $incdir/$localfile
+    done
+    # dispatch selected include file
+    local archincdir=$prefix/$mplat/$suffix
+    [[ -d $archincdir ]] || mkdir -p $archincdir
+    mv $file $archincdir/
+    cat > $file << EOF
+#define _MULTIARCH_HEADER $suffix${file##*/}
+#include <multiarch-dispatch.h>
+EOF
+}
+
+while [[ $# -gt 0 ]]; do
+    dispatch_$type $1
+    shift
+done
diff --git a/multiarch-dispatch b/multiarch-dispatch
new file mode 100755
index 0000000..db98f1d
--- /dev/null
+++ b/multiarch-dispatch
@@ -0,0 +1,23 @@
+#!/bin/sh
+#---------------------------------------------------------------
+# Project         : Mandrakelinux
+# Module          : multiarch-utils
+# File            : multiarch-dispatch
+# Version         : $Id$
+# Author          : Gwenole Beauchesne
+# Created On      : Wed Jan 12 12:38:53 EST 2005
+#---------------------------------------------------------------
+
+if [[ "$0" = "/usr/bin/multiarch-dispatch" ]]; then
+    echo "Helper script to dispatch a binary under a specific personality"
+    exit 0
+fi
+
+bin=`dirname $0`/`multiarch-platform`/${0##*/}
+
+if [[ -x "$bin" ]]; then
+    echo "Cannot execute $bin" > /dev/stderr
+    exit 1
+fi
+
+exec $bin ${1+"$@"}
diff --git a/multiarch-dispatch.h b/multiarch-dispatch.h
new file mode 100644
index 0000000..75f6a50
--- /dev/null
+++ b/multiarch-dispatch.h
@@ -0,0 +1,53 @@
+/* Undefine some built-ins */
+#ifdef  linux
+#undef  linux
+#define _multiarch_defined_linux
+#endif
+#ifdef  i386
+#undef  i386
+#define _multiarch_defined_i386
+#endif
+#ifdef  sparc
+#undef  sparc
+#define _multiarch_defined_sparc
+#endif
+
+/* Dispatch arch dependent header */
+#define _MULTIARCH_MAKE_HEADER(arch,header) <multiarch-arch-linux/header>
+#if defined(__x86_64__)
+#include _MULTIARCH_MAKE_HEADER(x86_64,_MULTIARCH_HEADER)
+#elif defined(__i386__)
+#include _MULTIARCH_MAKE_HEADER(i386,_MULTIARCH_HEADER)
+#elif defined(__powerpc64__)
+#include _MULTIARCH_MAKE_HEADER(ppc64,_MULTIARCH_HEADER)
+#elif defined(__powerpc__)
+#include _MULTIARCH_MAKE_HEADER(ppc,_MULTIARCH_HEADER)
+#elif defined(__sparc_v9__)
+#include _MULTIARCH_MAKE_HEADER(sparc64,_MULTIARCH_HEADER)
+#elif defined(__sparc__)
+#include _MULTIARCH_MAKE_HEADER(sparc,_MULTIARCH_HEADER)
+#elif defined(__s390x__)
+#include _MULTIARCH_MAKE_HEADER(s390x,_MULTIARCH_HEADER)
+#elif defined(__s390__)
+#include _MULTIARCH_MAKE_HEADER(s390,_MULTIARCH_HEADER)
+#elif defined(__ia64__)
+#include _MULTIARCH_MAKE_HEADER(ia64,_MULTIARCH_HEADER)
+#elif defined(__alpha__)
+#include _MULTIARCH_MAKE_HEADER(alpha,_MULTIARCH_HEADER)
+#endif
+#undef _MULTIARCH_MAKE_HEADER
+#undef _MULTIARCH_HEADER
+
+/* Redefine built-ins */
+#ifdef  _multiarch_defined_linux
+#undef  _multiarch_defined_linux
+#define linux 1
+#endif
+#ifdef  _multiarch_defined_i386
+#undef  _multiarch_defined_i386
+#define i386 1
+#endif
+#ifdef  _multiarch_defined_sparc
+#undef  _multiarch_defined_sparc
+#define sparc 1
+#endif
-- 
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