Merge 8.6

2 files changed, 84 insertions, 8 deletions

diff --git a/unix/configure b/unix/configure
index e0df311..e0e0b0e 100755
--- a/unix/configure
+++ b/unix/configure
@@ -7926,7 +7926,30 @@ $as_echo "#define HAVE_MTSAFE_GETHOSTBYADDR 1" >>confdefs.h
 
 
 else
-    ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r"
+
+    # Avoids picking hidden internal symbol from libc
+    ac_fn_c_check_decl "$LINENO" "gethostbyname_r" "ac_cv_have_decl_gethostbyname_r" "#include <netdb.h>
+"
+if test "x$ac_cv_have_decl_gethostbyname_r" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETHOSTBYNAME_R $ac_have_decl
+_ACEOF
+if test $ac_have_decl = 1; then :
+
+    tcl_cv_api_gethostbyname_r=yes
+else
+  tcl_cv_api_gethostbyname_r=no
+fi
+
+
+
+    if test "$tcl_cv_api_gethostbyname_r" = yes; then
+	ac_fn_c_check_func "$LINENO" "gethostbyname_r" "ac_cv_func_gethostbyname_r"
 if test "x$ac_cv_func_gethostbyname_r" = xyes; then :
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyname_r with 6 args" >&5
@@ -8063,7 +8086,32 @@ $as_echo "#define HAVE_GETHOSTBYNAME_R 1" >>confdefs.h
 
 fi
 
-    ac_fn_c_check_func "$LINENO" "gethostbyaddr_r" "ac_cv_func_gethostbyaddr_r"
+    fi
+
+
+    # Avoids picking hidden internal symbol from libc
+    ac_fn_c_check_decl "$LINENO" "gethostbyaddr_r" "ac_cv_have_decl_gethostbyaddr_r" "#include <netdb.h>
+"
+if test "x$ac_cv_have_decl_gethostbyaddr_r" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETHOSTBYADDR_R $ac_have_decl
+_ACEOF
+if test $ac_have_decl = 1; then :
+
+    tcl_cv_api_gethostbyaddr_r=yes
+else
+  tcl_cv_api_gethostbyaddr_r=no
+fi
+
+
+
+    if test "$tcl_cv_api_gethostbyaddr_r" = yes; then
+	ac_fn_c_check_func "$LINENO" "gethostbyaddr_r" "ac_cv_func_gethostbyaddr_r"
 if test "x$ac_cv_func_gethostbyaddr_r" = xyes; then :
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostbyaddr_r with 7 args" >&5
@@ -8165,6 +8213,8 @@ $as_echo "#define HAVE_GETHOSTBYADDR_R 1" >>confdefs.h
 
 fi
 
+    fi
+
 fi
 
 #---------------------------------------------------------------------------
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 70303ce..93efb49 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -2518,7 +2518,20 @@ AC_DEFUN([SC_TCL_CHECK_BROKEN_FUNC],[
 #
 #--------------------------------------------------------------------
 
-AC_DEFUN([SC_TCL_GETHOSTBYADDR_R], [AC_CHECK_FUNC(gethostbyaddr_r, [
+AC_DEFUN([SC_TCL_GETHOSTBYADDR_R], [
+    # Avoids picking hidden internal symbol from libc
+    SC_TCL_GETHOSTBYADDR_R_DECL
+
+    if test "$tcl_cv_api_gethostbyaddr_r" = yes; then
+	SC_TCL_GETHOSTBYADDR_R_TYPE
+    fi
+])
+
+AC_DEFUN([SC_TCL_GETHOSTBYADDR_R_DECL], [AC_CHECK_DECLS(gethostbyaddr_r, [
+    tcl_cv_api_gethostbyaddr_r=yes],[tcl_cv_api_gethostbyaddr_r=no],[#include <netdb.h>])
+])
+
+AC_DEFUN([SC_TCL_GETHOSTBYADDR_R_TYPE], [AC_CHECK_FUNC(gethostbyaddr_r, [
     AC_CACHE_CHECK([for gethostbyaddr_r with 7 args], tcl_cv_api_gethostbyaddr_r_7, [
     AC_TRY_COMPILE([
 	#include <netdb.h>
@@ -2579,14 +2592,27 @@ AC_DEFUN([SC_TCL_GETHOSTBYADDR_R], [AC_CHECK_FUNC(gethostbyaddr_r, [
 # Results:
 #
 #	Might define the following vars:
-#		HAVE_GETHOSTBYADDR_R
-#		HAVE_GETHOSTBYADDR_R_3
-#		HAVE_GETHOSTBYADDR_R_5
-#		HAVE_GETHOSTBYADDR_R_6
+#		HAVE_GETHOSTBYNAME_R
+#		HAVE_GETHOSTBYNAME_R_3
+#		HAVE_GETHOSTBYNAME_R_5
+#		HAVE_GETHOSTBYNAME_R_6
 #
 #--------------------------------------------------------------------
 
-AC_DEFUN([SC_TCL_GETHOSTBYNAME_R], [AC_CHECK_FUNC(gethostbyname_r, [
+AC_DEFUN([SC_TCL_GETHOSTBYNAME_R], [
+    # Avoids picking hidden internal symbol from libc
+    SC_TCL_GETHOSTBYNAME_R_DECL
+
+    if test "$tcl_cv_api_gethostbyname_r" = yes; then
+	SC_TCL_GETHOSTBYNAME_R_TYPE
+    fi
+])
+
+AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_DECL], [AC_CHECK_DECLS(gethostbyname_r, [
+    tcl_cv_api_gethostbyname_r=yes],[tcl_cv_api_gethostbyname_r=no],[#include <netdb.h>])
+])
+
+AC_DEFUN([SC_TCL_GETHOSTBYNAME_R_TYPE], [AC_CHECK_FUNC(gethostbyname_r, [
     AC_CACHE_CHECK([for gethostbyname_r with 6 args], tcl_cv_api_gethostbyname_r_6, [
     AC_TRY_COMPILE([
 	#include <netdb.h>