[PATCH] libstdc++-v3: Check for TLS support on mingw

[Hugo Beauzée-Luyssen]

libstdc++-v3: Check for TLS support on mingw

2018-02-16  Hugo Beauzée-Luyssen  <hugo@beauzee.fr>

    * crossconfig.m4: Check for TLS support on mignw
    * configure: regenerate

Index: libstdc++-v3/crossconfig.m4
===================================================================
--- libstdc++-v3/crossconfig.m4 (revision 257730)
+++ libstdc++-v3/crossconfig.m4 (working copy)
@@ -197,6 +197,7 @@ case "${host}" in
     GLIBCXX_CHECK_LINKER_FEATURES
     GLIBCXX_CHECK_MATH_SUPPORT
     GLIBCXX_CHECK_STDLIB_SUPPORT
+    GCC_CHECK_TLS
     ;;
   *-netbsd*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'