+# check for dlopen
+AC_CHECK_LIB([dl], [dlopen],
+[
+ have_libdl=yes
+],
+[
+ #libdl not found, check for dlopen in libc.
+ AC_CHECK_LIB([c], [dlopen],
+ [
+ have_libc_dl=yes
+ ],
+ [
+ AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
+ ])
+])
+AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
+AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
+
+# Check for fmemopen
+AC_CHECK_LIB([c], [fmemopen],
+[
+ AC_DEFINE_UNQUOTED([LTTNG_HAVE_FMEMOPEN], 1, [Has fmemopen support.])
+]
+)
+
+# Check for open_memstream
+AC_CHECK_LIB([c], [open_memstream],
+[
+ AC_DEFINE_UNQUOTED([LTTNG_HAVE_OPEN_MEMSTREAM], 1, [Has open_memstream support.])
+]
+)
+