From: Namhyung Kim <[email protected]>
It failed to build perf on my ubuntu 10.04 box (gcc 4.4.3):
CC util/strlist.o
cc1: warnings being treated as errors
util/strlist.c: In function ‘str_node__delete’:
util/strlist.c:42: error: dereferencing type-punned pointer will break
strict-aliasing rules
util/strlist.c:42: error: dereferencing type-punned pointer will break
strict-aliasing rules
CC util/strfilter.o
make: *** [util/strlist.o] Error 1
CC util/srcline.o
cc1: warnings being treated as errors
util/srcline.c: In function ‘addr2line_init’:
util/srcline.c:132: error: dereferencing type-punned pointer will break
strict-aliasing rules
util/srcline.c:132: error: dereferencing type-punned pointer will break
strict-aliasing rules
util/srcline.c: In function ‘addr2line_cleanup’:
util/srcline.c:143: error: dereferencing type-punned pointer will break
strict-aliasing rules
util/srcline.c:143: error: dereferencing type-punned pointer will break
strict-aliasing rules
make: *** [util/srcline.o] Error 1
It seems it only allows to remove 'const' qualifier.
Signed-off-by: Namhyung Kim <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link:
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
tools/perf/util/srcline.c | 4 ++--
tools/perf/util/strlist.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 7e67879ebd25..f3e4bc5fe5d2 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -129,7 +129,7 @@ static struct a2l_data *addr2line_init(const char *path)
out:
if (a2l) {
- zfree((void **)&a2l->input);
+ zfree((char **)&a2l->input);
free(a2l);
}
bfd_close(abfd);
@@ -140,7 +140,7 @@ static void addr2line_cleanup(struct a2l_data *a2l)
{
if (a2l->abfd)
bfd_close(a2l->abfd);
- zfree((void **)&a2l->input);
+ zfree((char **)&a2l->input);
zfree(&a2l->syms);
free(a2l);
}
diff --git a/tools/perf/util/strlist.c b/tools/perf/util/strlist.c
index 61a90bf24b4d..71f9d102b96f 100644
--- a/tools/perf/util/strlist.c
+++ b/tools/perf/util/strlist.c
@@ -39,7 +39,7 @@ out_delete:
static void str_node__delete(struct str_node *snode, bool dupstr)
{
if (dupstr)
- zfree((void **)&snode->s);
+ zfree((char **)&snode->s);
free(snode);
}
--
1.8.1.4
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