configure.ac: check for both libuuid/libc uuid APIs

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index 0bcc408139d2d12c4b3e098c8418adbe95ef2174..f9738a7e460a5970a3b2cac1e7b8ea8c88268787 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -46,8 +46,20 @@ AC_CHECK_LIB([dl], [dlopen])
 AC_CHECK_LIB([pthread], [pthread_create])
 
 # Check for libuuid
-AC_CHECK_LIB([uuid], [uuid_generate], [],
-       [AC_MSG_ERROR([Cannot find libuuid. Use [LDFLAGS]=-Ldir to specify its location.])]
+AC_CHECK_LIB([uuid], [uuid_generate],
+[
+       AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBUUID], 1, [Has libuuid support.])
+],
+[
+       # libuuid not found, check for uuid_create in libc.
+       AC_CHECK_LIB([c], [uuid_create],
+       [
+               AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBC_UUID], 1, [Has libc uuid support.])
+       ],
+       [
+               AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Use [LDFLAGS]=-Ldir to specify its location.])
+       ])
+]
 )
 
 # Checks for header files.