build: add dependency on liblz4 due to IPFIX compression feature

Author: cejkato2

configure.ac

@@ -83,6 +83,11 @@ AC_DEFINE_DIR([DEFAULTSOCKETDIR], [defaultsocketdir], [Default path to socket di
 
 AC_CHECK_LIB(atomic, __atomic_store, [libatomic=yes], AC_MSG_ERROR([libatomic not found]))
 
+PKG_CHECK_MODULES([LIBLZ4], [liblz4])
+CFLAGS="$LIBLZ4_CFLAGS $CFLAGS"
+CXXFLAGS="$LIBLZ4_CFLAGS $CXXFLAGS"
+LIBS="$LIBLZ4_LIBS $LIBS"
+
 ### gtest
 AC_ARG_WITH([gtest],
         AC_HELP_STRING([--with-gtest],[Compile ipfixprobe with gtest framework]),

ipfixprobe.spec.in

@@ -57,8 +57,8 @@ Vendor: CESNET, z.s.p.o.
 Packager: @USERNAME@ <@USERMAIL@>
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}
 Summary: IPFIX flow exporter with various extending IPFIX elements exported by plugins.
-Requires: libatomic fuse3 telemetry
-BuildRequires: gcc gcc-c++ make doxygen pkgconfig libatomic telemetry
+Requires: libatomic fuse3 telemetry lz4
+BuildRequires: gcc gcc-c++ make doxygen pkgconfig libatomic telemetry lz4-devel
 Provides: ipfixprobe
 
 %if %{with ndp}