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authorJoseph Myers <joseph@codesourcery.com>2014-11-14 18:35:42 +0000
committerJoseph Myers <joseph@codesourcery.com>2014-11-14 18:35:42 +0000
commita4733812085f338dfcbb3f31b48747b00eb5c46c (patch)
tree74e56fd5e90953cdeb0c4441a1b8f46e1559b982 /conform
parentcf7246ddf534d98b87910c04cbb51fe02aa6d562 (diff)
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Only declare __sigpause in installed signal.h when necessary.
This patch makes the installed signal.h declare __sigpause only when
necessary (when a macro definition of sigpause makes use of
__sigpause), rather than unconditionally.  This fixes false positives
in the linknamespace tests by making it visible to those tests that no
use of ISO C functionality will actually bring in the definition of
__sigpause and so bring in the other symbols defined in the same
object.  There is no bug filed in Bugzilla because this is fixing
false positives rather than any user-visible bug.

Tested for x86_64 (testsuite, and that installed stripped shared
libraries are unchanged by this patch).

	* signal/signal.h (__sigpause): Only declare if [__USE_XOPEN &&
	!__GNUC__].
	* include/signal.h (__sigpause): Move declaration above call to
	libc_hidden_proto.
	* conform/Makefile (test-xfail-ISO/signal.h/linknamespace): Remove
	variable.
	(test-xfail-ISO99/signal.h/linknamespace): Likewise.
	(test-xfail-ISO11/signal.h/linknamespace): Likewise.
Diffstat (limited to 'conform')
-rw-r--r--conform/Makefile3
1 files changed, 0 insertions, 3 deletions
diff --git a/conform/Makefile b/conform/Makefile
index 45917a66f3..b2806b1662 100644
--- a/conform/Makefile
+++ b/conform/Makefile
@@ -326,19 +326,16 @@ test-xfail-XOPEN2K8/ndbm.h/linknamespace = yes
 
 # Unsorted expected failures.
 test-xfail-ISO/math.h/linknamespace = yes
-test-xfail-ISO/signal.h/linknamespace = yes
 test-xfail-ISO/stdio.h/linknamespace = yes
 test-xfail-ISO/time.h/linknamespace = yes
 test-xfail-ISO99/complex.h/linknamespace = yes
 test-xfail-ISO99/ctype.h/linknamespace = yes
 test-xfail-ISO99/math.h/linknamespace = yes
-test-xfail-ISO99/signal.h/linknamespace = yes
 test-xfail-ISO99/stdio.h/linknamespace = yes
 test-xfail-ISO99/tgmath.h/linknamespace = yes
 test-xfail-ISO11/complex.h/linknamespace = yes
 test-xfail-ISO11/ctype.h/linknamespace = yes
 test-xfail-ISO11/math.h/linknamespace = yes
-test-xfail-ISO11/signal.h/linknamespace = yes
 test-xfail-ISO11/stdio.h/linknamespace = yes
 test-xfail-ISO11/tgmath.h/linknamespace = yes
 test-xfail-XPG3/ctype.h/linknamespace = yes