diff -Nru libical-0.48/debian/changelog libical-0.48/debian/changelog
--- libical-0.48/debian/changelog	2012-04-10 17:49:10.000000000 +0000
+++ libical-0.48/debian/changelog	2012-04-11 16:15:05.000000000 +0000
@@ -1,3 +1,10 @@
+libical (0.48-1ubuntu2) precise; urgency=low
+
+  * debian/patches/fix_ftbfs_dependencies.patch: fix CMakeLists.txt
+    dependencies (LP: #978862).
+
+ -- Robie Basak <robie.basak@ubuntu.com>  Wed, 11 Apr 2012 15:36:31 +0000
+
 libical (0.48-1ubuntu1) precise; urgency=low
 
   * debian/patches/fix_timezone_crash.patch: workaround to avoid heap
diff -Nru libical-0.48/debian/patches/fix_ftbfs_dependencies.patch libical-0.48/debian/patches/fix_ftbfs_dependencies.patch
--- libical-0.48/debian/patches/fix_ftbfs_dependencies.patch	1970-01-01 00:00:00.000000000 +0000
+++ libical-0.48/debian/patches/fix_ftbfs_dependencies.patch	2012-04-11 16:15:05.000000000 +0000
@@ -0,0 +1,39 @@
+Subject: Fix dependency declarations to fix concurrent builds
+Author: Robie Basak <robie.basak@canonical.com>
+Bug-Ubuntu: https://bugs.launchpad.net/bugs/978862
+Forwarded: https://sourceforge.net/tracker/?func=detail&aid=3516878&group_id=16077&atid=316077
+Last-Update: 2012-04-11
+
+--- a/src/libicalvcal/CMakeLists.txt
++++ b/src/libicalvcal/CMakeLists.txt
+@@ -30,6 +30,9 @@
+ add_library(icalvcal ${LIBRARY_TYPE} ${icalvcal_LIB_SRCS})
+ add_library(icalvcal-static STATIC ${icalvcal_LIB_SRCS})
+ 
++add_dependencies(icalvcal ical-header)
++add_dependencies(icalvcal-static ical-header)
++
+ target_link_libraries(icalvcal ical)
+ 
+ if(MSVC)
+--- a/src/libicalss/CMakeLists.txt
++++ b/src/libicalss/CMakeLists.txt
+@@ -23,9 +23,7 @@
+     -DICAL_FILE_H_FILE:FILEPATH=${CMAKE_BINARY_DIR}/src/libicalss/icalss.h
+     -P ${CMAKE_CURRENT_SOURCE_DIR}/icalss_file.cmake
+   DEPENDS
+-  ${CMAKE_BINARY_DIR}/src/libical/icalderivedproperty.h
+-  ${CMAKE_BINARY_DIR}/src/libical/icalderivedparameter.h
+-  ${CMAKE_BINARY_DIR}/src/libical/icalderivedvalue.h
++  ical-header
+ )
+ 
+ add_custom_target(icalss-header DEPENDS
+@@ -73,6 +71,7 @@
+ add_library(icalss-static STATIC ${icalss_LIB_SRCS})
+ 
+ add_dependencies(icalss icalss-header)
++add_dependencies(icalss-static icalss-header)
+ 
+ target_link_libraries(icalss ical)
+ 
diff -Nru libical-0.48/debian/patches/series libical-0.48/debian/patches/series
--- libical-0.48/debian/patches/series	2012-04-10 17:49:10.000000000 +0000
+++ libical-0.48/debian/patches/series	2012-04-11 16:15:05.000000000 +0000
@@ -1,2 +1,3 @@
 0001_convert_float_to_strings_with_snprintf_sfbug3493034.patch
 fix_timezone_crash.patch
+fix_ftbfs_dependencies.patch