Make building of tests optional; Boost is a big dependency to have by default

CMakeLists.txt

@@ -27,6 +27,7 @@ SET(PROJECT_URL "https://github.com/${PROJECT_ORG}/${PROJECT_NAME}")
 
 # Project options
 OPTION(TRACE_SOLVER "trace solver on stderr" OFF)
+OPTION(BUILD_TESTS "build tests" ON)
 
 # Project configuration
 SET(PROJECT_USE_CMAKE_EXPORT TRUE)
@@ -36,7 +37,9 @@ SET(PROJECT_CUSTOM_HEADER_EXTENSION "hpp")
 
 # JRL-cmakemodule setup
 INCLUDE(cmake/base.cmake)
-INCLUDE(cmake/boost.cmake)
+IF(BUILD_TESTS)
+  INCLUDE(cmake/boost.cmake)
+ENDIF(BUILD_TESTS)
 
 # Project definition
 COMPUTE_PROJECT_ARGS(PROJECT_ARGS LANGUAGES CXX)
@@ -44,7 +47,9 @@ PROJECT(${PROJECT_NAME} ${PROJECT_ARGS})
 
 # Project dependencies
 ADD_PROJECT_DEPENDENCY(Eigen3 REQUIRED)
-FIND_PACKAGE(Boost REQUIRED COMPONENTS unit_test_framework)
+IF(BUILD_TESTS)
+  FIND_PACKAGE(Boost REQUIRED COMPONENTS unit_test_framework)
+ENDIF(BUILD_TESTS)
 
 # Main Library
 SET(${PROJECT_NAME}_HEADERS
@@ -68,4 +73,6 @@ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${EIGEN3_INCLUDE_DIR})
 TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} INTERFACE $<INSTALL_INTERFACE:include>)
 INSTALL(TARGETS ${PROJECT_NAME} EXPORT ${TARGETS_EXPORT_NAME} DESTINATION lib)
 
-ADD_SUBDIRECTORY(tests)
+IF(BUILD_TESTS)
+  ADD_SUBDIRECTORY(tests)
+ENDIF(BUILD_TESTS)