From f9ac2013779370e0d010922ae3684e601e53aa1d Mon Sep 17 00:00:00 2001
From: Thomas Preud'homme <robotux@celest.fr>
Date: Wed, 13 Feb 2013 20:14:13 +0100
Subject: Detect multiarch triplet and lddir from ldd output

---
 configure | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 761c20c..425f719 100755
--- a/configure
+++ b/configure
@@ -261,12 +261,12 @@ if $cc -o $TMPO $TMPC 2> /dev/null ; then
 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 -L $sysroot/usr/lib/crti.o ; then
-   use_multiarch="yes"
-  fi
+ libc_dir="$(ldd ./print_env_info | grep libc.so | sed 's|[^/]*/\(.*/\)[^/]*|\1|')"
+ multiarch_triplet=${libc_dir#*/}
+ multiarch_triplet=${multiarch_triplet%/}
+ lddir="${libc_dir%%/*}"
+ if test -n "$multiarch_triplet" ; then
+  lddir="$lddir/$multiarch_triplet"
  fi
 fi
 
@@ -501,8 +501,8 @@ 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" >> $TMPH
+if test -n "$multiarch_triplet" ; then
+  echo "#define CONFIG_MULTIARCHDIR \"$multiarch_triplet\"" >> $TMPH
 fi
 if test -n "$lddir" ; then
   echo "#define CONFIG_LDDIR \"$lddir\"" >> $TMPH
-- 
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