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[COMMITTED] mtrace: Add attribute nocommon to mallwatch

Message ID 20210702214632.47347-1-tuliom@linux.ibm.com
State Committed
Commit e766ce3088e1da976d6fa7903870683b3fed7f17
Headers show
Series [COMMITTED] mtrace: Add attribute nocommon to mallwatch | expand

Commit Message

Tulio Magno Quites Machado Filho July 2, 2021, 9:46 p.m. UTC
Avoid compilation errors GCC versions that do not default to
-fno-common, e.g. GCC <= 9.

Fixes commit 00d28960c5388a582a0485e07629b553c32dde49 ("mtrace:
Deprecate mallwatch and tr_break").

Suggested-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Suggested-by: Florian Weimer <fweimer@redhat.com>
 malloc/mtrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/malloc/mtrace.c b/malloc/mtrace.c
index 6c2c58b706..f5b8321c6b 100644
--- a/malloc/mtrace.c
+++ b/malloc/mtrace.c
@@ -59,7 +59,7 @@  __libc_lock_define_initialized (static, lock);
    case some applications ended up linking against them but they don't actually
    do anything anymore; not that they did much before anyway.  */
-void *mallwatch;
+void *mallwatch __attribute__ ((nocommon));
 compat_symbol (libc, mallwatch, mallwatch, GLIBC_2_0);