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. 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 ;; *-mingw32*) -- Joseph S. Myers jos...@codesourcery.com