[SCM] GNU Libtool branch, master, updated. v2.4.2-383-g5f7f7d9

[Gary V. Vaughan]

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- Log -----------------------------------------------------------------
commit 5f7f7d9615bf650cf99d581a33b3e18357f79951
Author: Steve Ellcey <address@hidden>
Date:   Mon Aug 19 14:35:28 2013 -0700

    libtool: set correct linker ABI flags on mips64 linux.
    
    m4/libtool.m4 (_LT_ENABLE_LOCK): Select the n32 or n64 ABI when
    linking to match the ABI produced with the user's compiler flags.
    
    Co-authored-by: Gary V. Vaughan <address@hidden>
    Signed-off-by: Gary V. Vaughan <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 m4/libtool.m4 |   32 ++++++++++++++++++++++++++++++++
 1 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/m4/libtool.m4 b/m4/libtool.m4
index 8f97c5c..4418a1c 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -1309,6 +1309,38 @@ ia64-*-hpux*)
   rm -rf conftest*
   ;;
 
+mips64*-*linux*)
+  # Find out what ABI is being produced by ac_compile, and set linker
+  # options accordingly.
+  echo '[#]line '$LINENO' "configure"' > conftest.$ac_ext
+  if AC_TRY_EVAL(ac_compile); then
+    emul=elf
+    case `/usr/bin/file conftest.$ac_objext` in
+      *32-bit*)
+       emul="${emul}32"
+       ;;
+      *64-bit*)
+       emul="${emul}64"
+       ;;
+    esac
+    case `/usr/bin/file conftest.$ac_objext` in
+      *MSB*)
+       emul="${emul}btsmip"
+       ;;
+      *LSB*)
+       emul="${emul}ltsmip"
+       ;;
+    esac
+    case `/usr/bin/file conftest.$ac_objext` in
+      *N32*)
+       emul="${emul}n32"
+       ;;
+    esac
+    LD="${LD-ld} -m $emul"
+  fi
+  rm -rf conftest*
+  ;;
+
 x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
 s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
   # Find out what ABI is being produced by ac_compile, and set linker


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