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lttng-libust: Disable liblttng-ust-dl with uClibc.

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According to uClibc commit [1], dlinfo is not available.
To be able to use LTTng UST with uClibc, we need to disable
the Dynamic Linker Tracing functionality [2].

Fixes:
http://autobuild.buildroot.net/results/a6c/a6c33dd7ec2a36a50c5ea74b989a371d6c85e899/build-end.log

[1] http://git.uclibc.org/uClibc/commit/?id=f3c9dc499c5c787ddd8c4320f2d44d2ae6e40c22
[2] http://lists.lttng.org/pipermail/lttng-dev/2014-February/022423.html

Signed-off-by: Romain Naour <romain.naour@openwide.fr>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2014-03-30 14:18:50 +02:00 committed by Thomas Petazzoni
parent fc2b71d48d
commit abf58f46ce
1 changed files with 52 additions and 0 deletions
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52
package/lttng-libust/lttng-libust-0001-Disable-liblttng-ust-dl-if-dlinfo-is-not-available.patch Normal file
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@ -0,0 +1,52 @@
Disable liblttng-ust-dl if dlinfo is not available in C library.
According to uClibc commit [1], dlinfo is not available.
To be able to use LTTng UST with uClibc, we need to disable
the Dynamic Linker Tracing functionality [2].
[1] http://git.uclibc.org/uClibc/commit/?id=f3c9dc499c5c787ddd8c4320f2d44d2ae6e40c22
[2] http://lists.lttng.org/pipermail/lttng-dev/2014-February/022423.html
Signed-off-by: Romain Naour <romain.naour@openwide.fr>
---
Makefile.am | 5 ++++-
configure.ac | 3 +++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/Makefile.am b/Makefile.am
index b79d2dd..c907ff1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,11 +4,14 @@ SUBDIRS = . include snprintf libringbuffer liblttng-ust-comm \
liblttng-ust \
liblttng-ust-ctl \
liblttng-ust-fork \
- liblttng-ust-dl \
liblttng-ust-libc-wrapper \
liblttng-ust-cyg-profile \
tools
+if HAVE_DLINFO
+SUBDIRS += liblttng-ust-dl
+endif
+
if BUILD_JNI_INTERFACE
SUBDIRS += liblttng-ust-java liblttng-ust-jul
endif
diff --git a/configure.ac b/configure.ac
index f507883..5dcf0e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -145,6 +145,9 @@ AC_C_INLINE
AC_FUNC_MALLOC
AC_CHECK_FUNCS([gettimeofday munmap socket strerror strtol sched_getcpu sysconf])
+AC_CHECK_FUNCS([dlinfo])
+AM_CONDITIONAL([HAVE_DLINFO], [test "${ac_cv_func_dlinfo}" = "yes"])
+
CFLAGS="-Wall $CFLAGS"
# URCU
--
1.9.0