missing dependency (facebookincubator#251)

Summary: Pull Request resolved: facebookincubator#251

Differential Revision: D83267338

Author: Ivan Morett

CMakeLists.txt

@@ -32,6 +32,8 @@ find_package(folly CONFIG REQUIRED)
 find_package(Glog REQUIRED)
 find_package(Gflags REQUIRED)
 find_package(Threads)
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(ZSTD REQUIRED libzstd)
 
 include_directories(".")
 add_subdirectory(katran)

katran/decap/testing/CMakeLists.txt

@@ -9,5 +9,9 @@ target_link_libraries(xdpdecap_tester
     "${PTHREAD}"
     bpftester
     decap
-    zstd
+    ${ZSTD_LIBRARIES}
+)
+
+target_include_directories(xdpdecap_tester PRIVATE
+    ${ZSTD_INCLUDE_DIRS}
 )

katran/lib/CMakeLists.txt

@@ -81,6 +81,7 @@ target_link_libraries(bpfadapter
   PUBLIC
     ${BPF_LINK_LIBRARIES}
     ${LIBELF}
+    ${ZSTD_LIBRARIES}
     glog::glog
     ${PTHREAD}
     ${LIBZ}
@@ -94,6 +95,7 @@ target_include_directories(
   ${FOLLY_INCLUDE_DIR}
   ${KATRAN_INCLUDE_DIR}
   ${LIBMNL_INCLUDE_DIR}
+  ${ZSTD_INCLUDE_DIRS}
 )
 
 add_library(pcapwriter STATIC