On 10/10/2015 01:18 AM, Joseph Myers wrote:
I noticed that when testing glibc with a cross compiler I got
UNSUPPORTED: nptl/tst-thread_local1
because the libstdc++-v3 configuration for cross compiling defaulted
to __cxa_thread_atexit_impl not being available. This patch fixes
GLIBCXX_CROSSCONFIG to run the same test (for the case covering
targets with glibc) for __cxa_thread_atexit_impl as for native
compilation, just as it runs most of the other tests done for native
compilation (for these targets, it's not possible to build libstdc++
without already having built libc, so link tests are OK).
Tested with no regressions for cross to arm-none-linux-gnueabi. OK to
commit?
2015-10-09 Joseph Myers <jos...@codesourcery.com>
* crossconfig.m4 (GLIBCXX_CROSSCONFIG) <*-linux* | *-uclinux* |
*-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu | *-cygwin*>: Check for
__cxa_thread_atexit_impl.
* configure: Regenerate.
That looks ok.
Index: libstdc++-v3/crossconfig.m4
===================================================================
--- libstdc++-v3/crossconfig.m4 (revision 228601)
+++ libstdc++-v3/crossconfig.m4 (working copy)
@@ -156,6 +156,7 @@
GLIBCXX_CHECK_STDLIB_SUPPORT
AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
GCC_CHECK_TLS
+ AC_CHECK_FUNCS(__cxa_thread_atexit_impl)
AM_ICONV
A similar sequence of tests also occurs for *-aix*. I don't suppose the
function is likely to exist there or on other non-glibc targets?
Bernd
