merge revision(s) 96d1acfdf6c6b42f2029f44d5b5920961d6efa92: [Backport #19161]

	[Bug #19161] Check for TLS usability

	On all platforms using GCC, even other than darwin.
	---
	 configure.ac | 13 +++++++------
	 1 file changed, 7 insertions(+), 6 deletions(-)

2 files changed, 8 insertions, 7 deletions

diff --git a/configure.ac b/configure.ac
index 218c441ff7..151a0da970 100644
--- a/configure.ac
+++ b/configure.ac
@@ -366,12 +366,6 @@ AS_CASE(["$target_os"],
 	[AC_MSG_RESULT(yes)],
 	[AC_MSG_RESULT(no)
 	AC_MSG_ERROR([Unsupported OS X version is required])])
-    AC_CACHE_CHECK([if thread-local storage is supported], [rb_cv_tls_supported],
-	[AC_LINK_IFELSE([AC_LANG_PROGRAM([[int __thread conftest;]])],
-	    [rb_cv_tls_supported=yes],
-	    [rb_cv_tls_supported=no])])
-    AS_IF([test x"$rb_cv_tls_supported" != xyes],
-	[AC_DEFINE(RB_THREAD_LOCAL_SPECIFIER_IS_UNSUPPORTED)])
 ])
 
 RUBY_MINGW32
@@ -391,6 +385,13 @@ AS_IF([test "$GCC" = yes], [
     AS_IF([test "$gcc_major" -lt 4], [
         AC_MSG_ERROR([too old GCC: $gcc_major.$gcc_minor])
     ])
+
+    AC_CACHE_CHECK([if thread-local storage is supported], [rb_cv_tls_supported],
+        [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int __thread conftest;]])],
+            [rb_cv_tls_supported=yes],
+            [rb_cv_tls_supported=no])])
+    AS_IF([test x"$rb_cv_tls_supported" != xyes],
+        [AC_DEFINE(RB_THREAD_LOCAL_SPECIFIER_IS_UNSUPPORTED)])
 ], [
     linker_flag=
 ])
diff --git a/version.h b/version.h
index a148cc6c3a..4c4c154038 100644
--- a/version.h
+++ b/version.h
@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 42
+#define RUBY_PATCHLEVEL 43
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"