[anjuta] symbol-db: bgo #704985 - link with librt on Linux

[Sebastien Granjoux <sgranjoux src gnome org>]

commit 9a65f12ad486b98568eb6bdc998add95f48eb842
Author: Alexandre Rostovtsev <tetromino gentoo org>
Date:   Sun Jul 28 12:48:52 2013 -0400

    symbol-db: bgo #704985 - link with librt on Linux
    
    Fixes underlinking failure when using GNU gold
    
    https://bugzilla.gnome.org/show_bug.cgi?id=704985

 configure.ac                  |    6 ++++++
 plugins/symbol-db/Makefile.am |    3 ++-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index cc5f6f6..41c482d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -758,6 +758,12 @@ fi
 
 AC_SUBST(SYMBOL_DB_SHM)
 
+dnl On Linux, need librt for shm_open/shm_unlink
+bck_LIBS="$LIBS"
+AC_SEARCH_LIBS(shm_open, rt, [SHM_LIBS="$LIBS"], [AC_MSG_ERROR([Failed to find library with shm_open()])])
+AC_SUBST(SHM_LIBS)
+LIBS="$bck_LIBS"
+
 dnl Test using autotest
 dnl -----------------------------
 AC_CONFIG_TESTDIR(plugins/am-project/tests)
diff --git a/plugins/symbol-db/Makefile.am b/plugins/symbol-db/Makefile.am
index 4be13c6..baff48d 100644
--- a/plugins/symbol-db/Makefile.am
+++ b/plugins/symbol-db/Makefile.am
@@ -84,7 +84,8 @@ libanjuta_symbol_db_la_LDFLAGS = $(ANJUTA_PLUGIN_LDFLAGS)
 # Plugin dependencies
 libanjuta_symbol_db_la_LIBADD = \
        $(GDA_LIBS) \
-       $(LIBANJUTA_LIBS)
+       $(LIBANJUTA_LIBS) \
+       $(SHM_LIBS)
 
 BUILT_SOURCES=symbol-db-marshal.c symbol-db-marshal.h