separate cmake opts for tests

CMakeLists.txt

@@ -67,7 +67,8 @@ set(PIP_DLL_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE STRING "")
 option(ICU "ICU support for convert codepages" ${_ICU_DEFAULT})
 option(STD_IOSTREAM "Building with std iostream operators support" OFF)
 option(INTROSPECTION "Build with introspection" OFF)
-option(TESTS "Build tests and perform their before install step" OFF)
+option(TESTS "Build tests" OFF)
+option(TESTS_RUN "Run tests before install step" OFF)
 option(COVERAGE "Build project with coverage info" OFF)
 option(PIP_FFTW_F "Support fftw module for float" ON)
 option(PIP_FFTW_L "Support fftw module for long double" ON)
@@ -823,6 +824,9 @@ if (PIP_TESTS_LIST)
 	foreach(_test ${PIP_TESTS_LIST})
 		message("  * ${_test}")
 	endforeach()
+	if (TESTS_RUN)
+		message("TESTS_RUN ON -> Run tests before install step")
+	endif()
 else()
 	message(" Tests: skip (tests off)")
 endif()

tests/CMakeLists.txt

@@ -24,8 +24,10 @@ macro(pip_test NAME)
 	file(GLOB _HDRS "${NAME}/*.h")
 	set(_target pip_${NAME}_test)
 	add_executable(${_target} ${_CPPS} ${_HDRS})
-        target_link_libraries(${_target} pip ${ARGN} gtest_main)
-        gtest_discover_tests(${_target})
+	target_link_libraries(${_target} pip ${ARGN} gtest_main)
+	if (TESTS_RUN)
+		gtest_discover_tests(${_target})
+	endif()
 	list(APPEND PIP_TESTS_LIST "${NAME}")
 	set(PIP_TESTS_LIST ${PIP_TESTS_LIST} PARENT_SCOPE)
 endmacro()