import glibc-2.17-292.el7.src.rpm

Signed-off-by: zhangbinchen <zhangbinchen@openanolis.org>

glibc-rh1418978-1a.patch

@@ -0,0 +1,54 @@
+Backporting changes to the support/ subdirectory.
+
+This is kept separate from glibc-rh1418978-1.patch to simplify rebases
+of the support/ subdirectory.  Changes here should be restricted to
+things that absolutely cannot be upstreamed at this point (such as
+support for older compilers).
+
+diff --git a/support/blob_repeat.c b/support/blob_repeat.c
+index 16c1e448b990e386..a2d5e0cbd736f998 100644
+--- a/support/blob_repeat.c
++++ b/support/blob_repeat.c
+@@ -30,6 +30,9 @@
+ #include <unistd.h>
+ #include <wchar.h>
+ 
++/* For check_mul_overflow_size_t.  */
++#include <malloc/malloc-internal.h>
++
+ /* Small allocations should use malloc directly instead of the mmap
+    optimization because mappings carry a lot of overhead.  */
+ static const size_t maximum_small_size = 4 * 1024 * 1024;
+@@ -118,8 +121,8 @@ minimum_stride_size (size_t page_size, size_t element_size)
+      common multiple, it appears only once.  Therefore, shift one
+      factor.  */
+   size_t multiple;
+-  if (__builtin_mul_overflow (page_size >> common_zeros, element_size,
+-                              &multiple))
++  if (check_mul_overflow_size_t (page_size >> common_zeros, element_size,
++                                 &multiple))
+     return 0;
+   return multiple;
+ }
+@@ -255,7 +258,7 @@ support_blob_repeat_allocate (const void *element, size_t element_size,
+                               size_t count)
+ {
+   size_t total_size;
+-  if (__builtin_mul_overflow (element_size, count, &total_size))
++  if (check_mul_overflow_size_t (element_size, count, &total_size))
+     {
+       errno = EOVERFLOW;
+       return (struct support_blob_repeat) { 0 };
+diff --git a/support/links-dso-program.cc b/support/links-dso-program.cc
+index dba6976c0609a332..8ff3155dd7fcd757 100644
+--- a/support/links-dso-program.cc
++++ b/support/links-dso-program.cc
+@@ -1,3 +1,8 @@
++/* Change for backporting: The build system does not define _ISOMAC
++   for us because the tests-internal changes have not been
++   backported.  */
++#define _ISOMAC 1
++
+ #include <iostream>
+ 
+ using namespace std;