Fix build

Base docker image updated and caused linker issues. This is a horrible
fix and is hopefully only temporary until I get a better solution
working.

CMakeLists.txt

@@ -25,7 +25,7 @@ ExternalProject_Add(bcc
   STEP_TARGETS build update
   EXCLUDE_FROM_ALL 1
   UPDATE_DISCONNECTED 1
-  BUILD_COMMAND ${CMAKE_COMMAND} --build . --target bcc-static
+  BUILD_COMMAND ${CMAKE_COMMAND} --build . --target bcc-loader-static
 )
 
 add_subdirectory(src)

docker/Dockerfile.ubuntu

-FROM ubuntu:rolling
+FROM ubuntu:yakkety
 RUN apt-get update && apt-get install -y \
     bison \
     cmake \

src/CMakeLists.txt

@@ -31,5 +31,5 @@ target_link_libraries(bpftrace ${llvm_libs})
 add_dependencies(bpftrace bcc-build)
 ExternalProject_Get_Property(bcc source_dir binary_dir)
 include_directories(${source_dir}/src/cc)
-target_link_libraries(bpftrace ${binary_dir}/src/cc/libbcc.a)
 target_link_libraries(bpftrace ${binary_dir}/src/cc/libbcc-loader-static.a)
+target_link_libraries(bpftrace ${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../usr/lib/x86_64-linux-gnu/libelf.a)

tests/CMakeLists.txt

@@ -19,8 +19,9 @@ add_executable(bpftrace_test
 add_dependencies(bpftrace_test bcc-build)
 ExternalProject_Get_Property(bcc source_dir binary_dir)
 include_directories(${source_dir}/src/cc)
-target_link_libraries(bpftrace_test ${binary_dir}/src/cc/libbcc.a)
 target_link_libraries(bpftrace_test ${binary_dir}/src/cc/libbcc-loader-static.a)
+target_link_libraries(bpftrace_test /usr/lib/x86_64-linux-gnu/libelf.a)
+target_link_libraries(bpftrace_test /usr/lib/x86_64-linux-gnu/libz.a)
 
 find_package(Threads REQUIRED)