diff --git a/package/lttng-libust/lttng-libust-0001-Disable-liblttng-ust-dl-if-dlinfo-is-not-available.patch b/package/lttng-libust/lttng-libust-0001-Disable-liblttng-ust-dl-if-dlinfo-is-not-available.patch new file mode 100644 index 0000000000..7849840eeb --- /dev/null +++ b/package/lttng-libust/lttng-libust-0001-Disable-liblttng-ust-dl-if-dlinfo-is-not-available.patch @@ -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 +--- + 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 +