- Issue #3754: fix typo in pthread AC_CACHE_VAL.

Misc/NEWS

@@ -536,6 +536,8 @@ Tests
 Build
 -----
 
+- Issue #3754: fix typo in pthread AC_CACHE_VAL.
+
 - Issue #15484: Fix _PYTHON_PROJECT_BASE for srcdir != builddir builds;
   use _PYTHON_PROJECT_BASE in distutils/sysconfig.py.
 

configure

@@ -6713,7 +6713,7 @@ then
 # function available.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -pthread" >&5
 $as_echo_n "checking whether $CC accepts -pthread... " >&6; }
-if ${ac_cv_thread+:} false; then :
+if ${ac_cv_pthread+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cc="$CC"

configure.ac

@@ -1439,7 +1439,7 @@ then
 # so we need to run a program to see whether it really made the
 # function available.
 AC_MSG_CHECKING(whether $CC accepts -pthread)
-AC_CACHE_VAL(ac_cv_thread,
+AC_CACHE_VAL(ac_cv_pthread,
 [ac_save_cc="$CC"
 CC="$CC -pthread"
 AC_RUN_IFELSE([AC_LANG_SOURCE([[