From f6cfaa6d2591b8931f8fde9aebf7822202b78810 Mon Sep 17 00:00:00 2001
From: Thomas Preud'homme <robotux@celest.fr>
Date: Wed, 13 Feb 2013 17:01:53 +0100
Subject: Improve multiarch detection

* Detect multiarch at configure time
* Detect based on the place where crti.o is
* Define multiarch triplet in tcc.h
---
 configure | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index f8619a3..db991ca 100755
--- a/configure
+++ b/configure
@@ -260,6 +260,16 @@ if $cc -o $TMPO $TMPC 2> /dev/null ; then
     gcc_major="4"
 fi
 
+if test -z "$cross_prefix" ; then
+ if test -f "/usr/lib64" ; then
+   lddir="lib64"
+ elif test -z "$tcc_crtprefix" ; then # check if system is multiarch
+  if ! test -f $sysroot/usr/lib/crti.o -o test -L $sysroot/usr/lib/crti.o ; then
+   use_multiarch="yes"
+  fi
+ fi
+fi
+
 if test x"$show_help" = "xyes" ; then
 cat << EOF
 Usage: configure [options]
@@ -491,6 +501,12 @@ if test "$have_selinux" = "yes" ; then
   echo "#define HAVE_SELINUX" >> $TMPH
   echo "HAVE_SELINUX=yes" >> config.mak
 fi
+if test "$use_multiarch" = "yes" ; then
+  echo "#define CONFIG_TCC_MULTIARCH" >> $TMPH
+fi
+if test -n "$lddir" ; then
+  echo "#define CONFIG_LDDIR \"$lddir\"" >> $TMPH
+fi
 
 version=`head $source_path/VERSION`
 echo "VERSION=$version" >>config.mak
-- 
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