From c5f78f7f736824438fb2d4e39ec58898ebb91754 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gwenol=C3=A9=20Beauchesne?= <gbeauchesne@mandriva.org>
Date: Mon, 24 Jan 2005 21:34:57 +0000
Subject: add check-multiarch-files

---
 check-multiarch-files | 90 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100755 check-multiarch-files

diff --git a/check-multiarch-files b/check-multiarch-files
new file mode 100755
index 0000000..5b556fb
--- /dev/null
+++ b/check-multiarch-files
@@ -0,0 +1,90 @@
+#!/usr/bin/perl
+#---------------------------------------------------------------
+# Project         : Mandrakelinux
+# Module          : multiarch-utils
+# File            : check-multiarch
+# Version         : $Id$
+# Author          : Gwenole Beauchesne
+# Created On      : Mon Jan 24 18:02:21 CET 2005
+#---------------------------------------------------------------
+
+use strict;
+use MDK::Common;
+
+while (<STDIN>) {
+    chomp;
+
+    # File must be located in the usual development directories
+    -f $_ or next;
+    /\/usr(\/X11R6)?\/(bin|include)\// or next;
+    /\/multiarch-.*-linux\// and next;
+    /\/include\/asm/ and next;
+
+    my $multiarch = 0;
+    my $multiarch_type;
+
+    # Heuristics for binary files
+    if (/bin/) {
+        my $file_magic = `file $_`;
+        $multiarch_type = "binary";
+
+        # check for *-config script files
+        if (/.+-config/ && $file_magic =~ /shell script/) {
+            my $options;
+            foreach (cat_($_)) {
+                $options .= " --cflags"   if /\[--cflags\]/;
+                $options .= " --libs"     if /\[--libs\]/;
+                $options .= " --ldflags"  if /\[--ldflags\]/;
+                $options .= " --cppflags" if /\[--cppflags\]/;
+            }
+            # run the script to find out any libdir dependent flags
+            if ($options) {
+                my $output = `$_ $options`;
+                $multiarch = 1 if ($output =~ /(?<!\/include)\/lib(32|64)?/);
+            }
+        }
+    }
+
+    # Heuristics for include files
+    elsif (/include/) {
+        $multiarch_type = "header";
+        my %archdefs;
+        foreach (cat_($_)) {
+            if (/\#\s*define\s+(\w+)\s+(.+)/) {
+                my ($def, $val) = ($1, $2);
+
+                # check for typical arch-dependent macro definitions
+                my @keywords_with_int = qw(SIZEOF_VOID_P SIZEOF_CHAR_P SIZEOF_LONG BYTES_PER_LONG BITS_PER_LONG);
+                foreach my $pat (@keywords_with_int) {
+                    if ($def =~ /$pat/ && int($val)) {
+                        $archdefs{$def}++;
+                        last;
+                    }
+                }
+
+                # check for libdir references, typically plugins dir
+                # XXX check for /DIR/ in $def ?
+                if ($val =~ /"\/usr(\/X11R6)?\/lib(32|64)?\/.*"/) {
+                    $multiarch = 1;
+                }
+            }
+        }
+
+        # ignore multiple definitions of the same macro, assume
+        # arch-dependence is handled in that case
+        if (! $multiarch) {
+            foreach my $e (keys %archdefs) {
+                my $val = $archdefs{$e};
+                $multiarch = 1 if ($val == 1);
+            }
+        }
+    }
+
+    # Multiarch files detected?
+    print "$_\n" if $multiarch;
+}
+
+# Local variables:
+# tab-width: 4
+# indent-tabs-mode: nil
+# End:
-- 
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