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[PATCH 0 of 3] Check for libstdc++.{so, dylib, a} and if build host gcc > 4.5 use -static-libstdc++

From: Bryan Hundven <bryanhundven at gmail dot com>
To: "Yann E. MORIN" <yann dot morin dot 1998 at anciens dot enib dot fr>
Cc: crossgcc at sourceware dot org
Date: Sun, 29 May 2011 21:59:03 -0700
Subject: [PATCH 0 of 3] Check for libstdc++.{so, dylib, a} and if build host gcc > 4.5 use -static-libstdc++

Patch 1 implements a check for libstdc++.{so,dylib}, but more importantly
libstdc++.a, which is needed by CT_CC_STATIC_LIBSTDCXX.

Patch 2 double checks CONFIGURE_has_static_libstdcpp is 'y'.

Patch 3 is up for debate. It cures a FIXME which suggested we check the
build host gcc to see if it is greater then 4.5, and to use
'-static-libstdc++' instead of '-Wl,-Bstatic,-lstdc++,-Bdynamic'.

-Bryan

 configure               |  11 +++++++++++
 config/cc/gcc.in.2      |   2 +-
 scripts/build/cc/gcc.sh |   4 ++--
 scripts/build/cc/gcc.sh |  13 ++++++++-----
 4 files changed, 22 insertions(+), 8 deletions(-)

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Follow-Ups:
- [PATCH 1 of 3] configure: check for libstdc++.{so,dylib,a}
  - From: Bryan Hundven
- [PATCH 2 of 3] config/cc: CC_STATIC_LIBSTDCXX depends on CONFIGURE_has_static_libstdcpp
  - From: Bryan Hundven
- [PATCH 3 of 3] scripts/gcc: if build host gcc is greater then 4.5.x use -static-libstdc++
  - From: Bryan Hundven

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