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patches/glibc/2.3.6/200-use_short_for_fnstsw.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu Apr 02 21:58:34 2009 +0000 (2009-04-02)
changeset 1287 2a70bb65824e
parent 744 4bf8448536d5
permissions -rw-r--r--
Speaking of gcc-4.2.1, Ted Jordan writes on 20090401:
The generated libtool for building libstdc++ adds the -nostdlib option to the
g++ command for linking but doesn't add -lgcc. This causes a "hidden symbol"
error when linking against the libstdc++ shared object. This patch adds gcc
to the list of libraries linked against when linking libstdc++.

/trunk/patches/gcc/4.2.1/300-libstdc++-nostdlib-linking.patch | 21 21 0 0 +++++++++++++++++
1 file changed, 21 insertions(+) 
     1 Original patch from H.J. Lu, as reported there:

     2 http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html

     3 

     4 fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged.

     5 The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax".

     6 

     7 diff -dur glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c

     8 --- glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c	2004-03-05 11:14:48.000000000 +0100

     9 +++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c	2008-06-24 10:56:14.000000000 +0200

    10 @@ -26,7 +26,7 @@

    11  int

    12  fetestexcept (int excepts)

    13  {

    14 -  int temp;

    15 +  short temp;

    16    int xtemp = 0;

    17  

    18    /* Get current exceptions.  */
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