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* [LTP] [PATCH] ptrace: Fix build problems with glibc-2.18
@ 2013-11-22 14:20 Markos Chandras
  2013-11-25  7:14 ` Wanlong Gao
  0 siblings, 1 reply; 3+ messages in thread
From: Markos Chandras @ 2013-11-22 14:20 UTC (permalink / raw)
  To: ltp-list

Since glibc-2.18, the struct ptrace_peeksiginfo_args is
also defined in sys/ptrace.h and conflicts with the definition
from the Linux kernel in linux/ptrace.h. We fix this by not
including the linux/ptrace.h header if the sys/ptrace.h header
defines the said struct. Fixes
https://github.com/linux-test-project/ltp/issues/6

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
---
Build tested on glibc-2.17 and glibc-2.18 systems
---
 configure.ac                              | 4 ++++
 include/config.h.default                  | 3 +++
 testcases/kernel/syscalls/ptrace/ptrace.h | 4 +++-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 4846afd..d427276 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,10 @@ AC_CHECK_HEADERS([ \
     sys/prctl.h \
 ])
 
+# glibc-2.18 defines ptrace_peeksiginfo_args in sys/ptrace.h which
+# conflicts with the one from linux kernel in linux/ptrace.h
+AC_CHECK_TYPES([struct ptrace_peeksiginfo_args],,,[#include <sys/ptrace.h>])
+
 # Tools knobs
 
 # Expect
diff --git a/include/config.h.default b/include/config.h.default
index 96e25c4..f226333 100644
--- a/include/config.h.default
+++ b/include/config.h.default
@@ -167,6 +167,9 @@
 /* Define to 1 if the system has the type `struct modify_ldt_ldt_s'. */
 #undef HAVE_STRUCT_MODIFY_LDT_LDT_S
 
+/* Define to 1 if the system has the type `struct ptrace_peeksiginfo_args'. */
+#undef HAVE_STRUCT_PTRACE_PEEKSIGINFO_ARG
+
 /* Define to 1 if `signo' is member of `struct signalfd_siginfo'. */
 #undef HAVE_STRUCT_SIGNALFD_SIGINFO_SIGNO
 
diff --git a/testcases/kernel/syscalls/ptrace/ptrace.h b/testcases/kernel/syscalls/ptrace/ptrace.h
index f0767d7..4a43f01 100644
--- a/testcases/kernel/syscalls/ptrace/ptrace.h
+++ b/testcases/kernel/syscalls/ptrace/ptrace.h
@@ -19,7 +19,9 @@
 # include <asm/ptrace.h>
 #endif
 #ifdef HAVE_LINUX_PTRACE_H
-# include <linux/ptrace.h>
+# ifndef HAVE_STRUCT_PTRACE_PEEKSIGINFO_ARGS
+#  include <linux/ptrace.h>
+# endif
 #endif
 #undef FU_ia64_fpreg
 #undef FU_pt_all_user_regs
-- 
1.8.4.3



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^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-11-25  9:22 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2013-11-22 14:20 [LTP] [PATCH] ptrace: Fix build problems with glibc-2.18 Markos Chandras
2013-11-25  7:14 ` Wanlong Gao
2013-11-25  9:22   ` Markos Chandras

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