Hi!
On 2023-12-13T20:36:40+0100, I wrote:
> On 2023-12-13T11:15:54-0800, Jerry D via Gcc <gcc@gcc.gnu.org> wrote:
>> I am getting this failure to build from clean trunk.
>
> This is due to commit r14-6499-g348874f0baac0f22c98ab11abbfa65fd172f6bdd
> "libgomp: basic pinned memory on Linux", which supposedly was only tested
> with '--disable-multilib' or so. As Andrew's now on vacations --
> conveniently ;-P -- I'll soon push a fix.
Pushed to master branch commit 5445ff4a51fcee4d281f79b5f54b349290d0327d
"Fix 'libgomp/config/linux/allocator.c' 'size_t' vs. '%ld' format string
mismatch",
see attached.
Grüße
Thomas
>> In file included from ../../../../trunk/libgomp/config/linux/allocator.c:31:
>> ../../../../trunk/libgomp/config/linux/allocator.c: In function
>> ‘linux_memspace_alloc’:
>> ../../../../trunk/libgomp/config/linux/allocator.c:70:26: error: format
>> ‘%ld’ expects argument of type ‘long int’, but argument 3 has type
>> ‘size_t’ {aka ‘unsigned int’} [-Werror=format=]
>> 70 | gomp_debug (0, "libgomp: failed to pin %ld bytes of"
>> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> 71 | " memory (ulimit too low?)\n", size);
>> | ~~~~
>> | |
>> | size_t
>> {aka unsigned int}
>> ../../../../trunk/libgomp/libgomp.h:186:29: note: in definition of macro
>> ‘gomp_debug’
>> 186 | (gomp_debug) ((KIND), __VA_ARGS__); \
>> | ^~~~~~~~~~~
>> ../../../../trunk/libgomp/config/linux/allocator.c:70:52: note: format
>> string is defined here
>> 70 | gomp_debug (0, "libgomp: failed to pin %ld bytes of"
>> | ~~^
>> | |
>> | long int
>> | %d
-----------------
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>From 5445ff4a51fcee4d281f79b5f54b349290d0327d Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <tho...@codesourcery.com>
Date: Wed, 13 Dec 2023 17:48:11 +0100
Subject: [PATCH] Fix 'libgomp/config/linux/allocator.c' 'size_t' vs. '%ld'
format string mismatch
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Fix-up for commit 348874f0baac0f22c98ab11abbfa65fd172f6bdd
"libgomp: basic pinned memory on Linux", which may result in build failures
as follow, for example, for the '-m32' multilib of x86_64-pc-linux-gnu:
In file included from [...]/source-gcc/libgomp/config/linux/allocator.c:31:
[...]/source-gcc/libgomp/config/linux/allocator.c: In function ‘linux_memspace_alloc’:
[...]/source-gcc/libgomp/config/linux/allocator.c:70:26: error: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘size_t’ {aka ‘unsigned int’} [-Werror=format=]
70 | gomp_debug (0, "libgomp: failed to pin %ld bytes of"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
71 | " memory (ulimit too low?)\n", size);
| ~~~~
| |
| size_t {aka unsigned int}
[...]/source-gcc/libgomp/libgomp.h:186:29: note: in definition of macro ‘gomp_debug’
186 | (gomp_debug) ((KIND), __VA_ARGS__); \
| ^~~~~~~~~~~
[...]/source-gcc/libgomp/config/linux/allocator.c:70:52: note: format string is defined here
70 | gomp_debug (0, "libgomp: failed to pin %ld bytes of"
| ~~^
| |
| long int
| %d
cc1: all warnings being treated as errors
make[9]: *** [allocator.lo] Error 1
make[9]: Leaving directory `[...]/build-gcc/x86_64-pc-linux-gnu/32/libgomp'
[...]
Fix this in the same way as used elsewhere in libgomp.
libgomp/
* config/linux/allocator.c (linux_memspace_alloc): Fix 'size_t'
vs. '%ld' format string mismatch.
---
libgomp/config/linux/allocator.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/libgomp/config/linux/allocator.c b/libgomp/config/linux/allocator.c
index 269d0d607d8..6ffa2417913 100644
--- a/libgomp/config/linux/allocator.c
+++ b/libgomp/config/linux/allocator.c
@@ -50,6 +50,9 @@
#include <sys/mman.h>
#include <string.h>
#include "libgomp.h"
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h> /* For PRIu64. */
+#endif
static void *
linux_memspace_alloc (omp_memspace_handle_t memspace, size_t size, int pin)
@@ -67,8 +70,13 @@ linux_memspace_alloc (omp_memspace_handle_t memspace, size_t size, int pin)
if (mlock (addr, size))
{
- gomp_debug (0, "libgomp: failed to pin %ld bytes of"
- " memory (ulimit too low?)\n", size);
+#ifdef HAVE_INTTYPES_H
+ gomp_debug (0, "libgomp: failed to pin %"PRIu64" bytes of"
+ " memory (ulimit too low?)\n", (uint64_t) size);
+#else
+ gomp_debug (0, "libgomp: failed to pin %lu bytes of"
+ " memory (ulimit too low?)\n", (unsigned long) size);
+#endif
munmap (addr, size);
return NULL;
}
--
2.34.1
