configure: Link eina to librt. This is needed for shm_* calls

Recent clang breaks with linking errors:
lib/eina/.libs/libeina.so: undefined reference to `shm_open'
so fix.

Signed-off-by: Daniel Willmann <d.willmann@samsung.com>

diff --git a/configure.ac b/configure.ac
index 80d8ffd..1d61972 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -709,6 +709,7 @@ AC_DEFINE_IF([EINA_STRINGSHARE_USAGE],
 EFL_PLATFORM_DEPEND([EINA], [all])
 
 EFL_ADD_LIBS([EINA], [-lm])
+EFL_ADD_LIBS([EINA], [-lrt])
 
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