From cf462649e3ac7c5d5f92a791707c231ea8d107b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= <gbeauchesne@mandriva.org>
Date: Mon, 31 Jan 2005 22:59:19 +0000
Subject: handle ciruclar inclusions (e.g. gd.h)

---
 mkmultiarch | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'mkmultiarch')

diff --git a/mkmultiarch b/mkmultiarch
index ec657c6..502884f 100755
--- a/mkmultiarch
+++ b/mkmultiarch
@@ -53,16 +53,25 @@ function dispatch_binaries() {
 function dispatch_includes() {
     local file=$1
     local incdir=`dirname $file`
+
+    # handle circular inclusions
+    local tag=$incdir/.multiarch-processing.${file##*/}
+    [[ -f "$tag" ]] && return
+    touch $tag
+
+    # sanity checks, extract path parts
     echo $file | grep -q '/include/' || error "Unsupported includedir $incdir"
     local prefix=`echo $incdir | sed -n '/\(.*\/include\)\/.*/s//\1/p'`
     [[ -z "$prefix" ]] && prefix="$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, provided it's not already dispatched
     grep -q _MULTIARCH_HEADER $file || {
 	local archincdir=$prefix/$mplat/$suffix
@@ -73,6 +82,9 @@ function dispatch_includes() {
 #include <multiarch-dispatch.h>
 EOF
     }
+
+    # done with this file
+    rm -f $tag
 }
 
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