crosstool-ng: patches/gcc/4.4.3/260-sh-libgcc-stacks.patch@ff2181adbd28

cc/gcc: disable complibs if not selected

Force gcc to not link with some companion libraries when
there are not needed (because selected-out).

There is no option to tell gcc *not* to build the Graphite and/or
LTO stuff. They *will* be built if gcc finds the suitable companion
libraries. If we do not provide them, but the host has them, then
gcc *will* find them, and link with them.

Consider the following:
- host has suitable PPL and CLooG (eg. Debian Squeeze)
- user wants to build gcc>=4.4
- user de-selects GRAPHITE
- gcc will find the hosts PPL and CLooG, and will use them
- the user moves the toolchain to an older host that does
not have them (eg. Debian Lenny)
- the toolchain fails, when it was properly setup not to

So, explicitly tell gcc *not* to use unneeded companion libs.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

     1 diff -durN gcc-4.4.0.orig/gcc/config/sh/lib1funcs.asm gcc-4.4.0/gcc/config/sh/lib1funcs.asm

     2 --- gcc-4.4.0.orig/gcc/config/sh/lib1funcs.asm	2009-04-10 01:23:07.000000000 +0200

     3 +++ gcc-4.4.0/gcc/config/sh/lib1funcs.asm	2009-05-27 21:38:39.000000000 +0200

     4 @@ -30,6 +30,11 @@

     5  !! recoded in assembly by Toshiyasu Morita

     6  !! tm@netcom.com

     8 +#if defined(__ELF__) && defined(__linux__)

     9 +.section .note.GNU-stack,"",%progbits

    10 +.previous

    11 +#endif

    12 +

    13  /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and

    14     ELF local label prefixes by J"orn Rennecke

    15     amylaar@cygnus.com  */

    16 diff -durN gcc-4.4.0.orig/gcc/config/sh/linux-atomic.asm gcc-4.4.0/gcc/config/sh/linux-atomic.asm

    17 --- gcc-4.4.0.orig/gcc/config/sh/linux-atomic.asm	2009-04-10 01:23:07.000000000 +0200

    18 +++ gcc-4.4.0/gcc/config/sh/linux-atomic.asm	2009-05-27 21:38:39.000000000 +0200

    19 @@ -136,3 +136,6 @@

    20  ATOMIC_FETCH_AND_COMBOP(nand,and,not,4,l,mov)

    22  #endif /* ! __SH5__ */

    23 +

    24 +.section .note.GNU-stack,"",%progbits

    25 +.previous

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Sep 12 23:51:25 2010 +0200 (2010-09-12)
changeset 2123	ff2181adbd28
parent 1611	e2516bba8fe5
permissions	-rw-r--r--