Bootstrap may be needed to break circular dependencies between codec2 and lpcnetfreedv

codec2.spec

@@ -1,6 +1,10 @@
 %undefine __cmake_in_source_build
 %{?rhel: %global cmake %cmake3}
 
+# Bootstrap may be needed to break circular dependencies between
+# codec2 and lpcnetfreedv
+%bcond_with     bootstrap
+
 Name:           codec2
 Version:        1.0.3
 Release:        1%{?dist}
@@ -13,7 +17,9 @@ Source0:        https://github.com/drowe67/codec2/archive/v%{version}/%{name}-%{
 BuildRequires:  cmake%{?rhel:3}
 BuildRequires:  gcc gcc-c++
 BuildRequires:  libsamplerate-devel
+%if %{without bootstrap}
 BuildRequires:  lpcnetfreedv-devel
+%endif
 BuildRequires:  speex-devel
 %if ! 0%{?rhel} < 8
 BuildRequires:  speexdsp-devel
@@ -50,7 +56,9 @@ Example code for Codec 2
 
 %build
 %cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+%if %{without bootstrap}
        -DLPCNET=ON
+%endif
 
 %cmake_build