[Backport #19161] merge part of 96d1acfdf6c6b42f2029f44d5b5920961d6efa92

Check for TLS usability

On all platforms using GCC, even other than darwin.

2 files changed, 9 insertions, 1 deletions

diff --git a/configure.ac b/configure.ac
index d14788b0d5..28fdfefbbc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -348,6 +348,14 @@ AS_IF([test "$GCC" = yes -a "$gcc_major" -lt 3 ], [
     AC_MSG_ERROR([too old GCC])
 ])
 
+
+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_PROG_GNU_LD
 RUBY_CPPOUTFILE
 
diff --git a/version.h b/version.h
index 4696e8366c..bcc562e006 100644
--- a/version.h
+++ b/version.h
@@ -12,7 +12,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 6
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 213
+#define RUBY_PATCHLEVEL 214
 
 #define RUBY_RELEASE_YEAR 2023
 #define RUBY_RELEASE_MONTH 3