* [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
* Re: [LTP] [PATCH] ptrace: Fix build problems with glibc-2.18
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
0 siblings, 1 reply; 3+ messages in thread
From: Wanlong Gao @ 2013-11-25 7:14 UTC (permalink / raw
To: Markos Chandras; +Cc: ltp-list
On 11/22/2013 10:20 PM, Markos Chandras wrote:
> 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>])
We generally place this like checks to m4/*.
> +
> # 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
Missed an "S" here?
Thanks,
Wanlong Gao
> +
> /* 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
>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [LTP] [PATCH] ptrace: Fix build problems with glibc-2.18
2013-11-25 7:14 ` Wanlong Gao
@ 2013-11-25 9:22 ` Markos Chandras
0 siblings, 0 replies; 3+ messages in thread
From: Markos Chandras @ 2013-11-25 9:22 UTC (permalink / raw
To: gaowanlong; +Cc: ltp-list
On 11/25/2013 07:14 AM, Wanlong Gao wrote:
> On 11/22/2013 10:20 PM, Markos Chandras wrote:
>> 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>])
>
> We generally place this like checks to m4/*.
>
>> +
>> # 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
>
> Missed an "S" here?
>
> Thanks,
> Wanlong Gao
>
>> +
>> /* 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
>>
>
Thanks for the review. I will send a v2 soon
--
markos
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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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