Always build the solver (for consistency with export/install)

CMakeLists.txt

@@ -97,6 +97,12 @@ target_sources(oink
 
 set_target_properties(oink PROPERTIES PUBLIC_HEADER "${OINK_HDRS}")
 
+add_executable(solve)
+target_sources(solve PRIVATE src/tools/solve.cpp src/tools/getrss.c)
+set_target_properties(solve PROPERTIES OUTPUT_NAME oink)
+set_target_props(solve)
+target_link_libraries(solve Boost::iostreams Boost::random)
+
 if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     option(OINK_BUILD_TOOLS "Build basic Oink tools" ON)
     option(OINK_BUILD_EXTRA_TOOLS "Build extra Oink tools" OFF)
@@ -111,12 +117,6 @@ if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     endmacro(set_target_props)
 
     if(OINK_BUILD_TOOLS)
-        add_executable(solve)
-        target_sources(solve PRIVATE src/tools/solve.cpp src/tools/getrss.c)
-        set_target_properties(solve PROPERTIES OUTPUT_NAME oink)
-        set_target_props(solve)
-        target_link_libraries(solve Boost::iostreams Boost::random)
-
         add_executable(test_solvers)
         target_sources(test_solvers PRIVATE test/test_solvers.cpp)
         set_target_props(test_solvers)