You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

55 lines
2.0 KiB

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;