Add ustctl_snapshot_sample_positions ustctl command

[lttng-ust.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 450b43b23ce6af31047fde462918878dc91423c7..77b212cd7091d3c0b805059db0b8d72cd50f2cce 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ AC_SUBST([LTTNG_UST_LIBRARY_VERSION], [0:0:0])
 
 # This is the library version of liblttng-ust-ctl, used internally by
 # liblttng-ust, lttng-sessiond, and lttng-consumerd.
-AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [2:0:0])
+AC_SUBST([LTTNG_UST_CTL_LIBRARY_VERSION], [3:0:1])
 
 AC_CONFIG_AUX_DIR([config])
 AC_CANONICAL_TARGET
@@ -125,15 +125,23 @@ AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
 # Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen], [
        have_libdl=yes
+       libdl_name=dl
 ], [
        #libdl not found, check for dlopen in libc.
        AC_CHECK_LIB([c], [dlopen], [
                have_libc_dl=yes
+               libdl_name=c
        ], [
                AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
        ])
 ])
 
+# Check if libdl has dlmopen support.
+AH_TEMPLATE([HAVE_DLMOPEN], ["Define to 1 if dlmopen is available."])
+AC_CHECK_LIB([$libdl_name], [dlmopen],
+       [AC_DEFINE([HAVE_DLMOPEN], [1])]
+)
+
 AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
 AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])