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#===------------------------------------------------------------------------===#
#
# The KLEE Symbolic Virtual Machine
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
#===------------------------------------------------------------------------===#
include(CMakePushCheckState)
find_package(Z3)
# Set the default so that if the following is true:
# * Z3 was found
# * ENABLE_SOLVER_Z3 is not already set as a cache variable
#
# then the default is set to `ON`. Otherwise set the default to `OFF`.
# A consequence of this is if we fail to detect Z3 the first time
# subsequent calls to CMake will not change the default.
if (Z3_FOUND)
set(ENABLE_SOLVER_Z3_DEFAULT ON)
else()
set(ENABLE_SOLVER_Z3_DEFAULT OFF)
endif()
option(ENABLE_SOLVER_Z3 "Enable Z3 solver support" ${ENABLE_SOLVER_Z3_DEFAULT})
if (ENABLE_SOLVER_Z3)
message(STATUS "Z3 solver support enabled")
if (Z3_FOUND)
include(CheckCXXSourceCompiles)
message(STATUS "Found Z3")
set(ENABLE_Z3 1) # For config.h
list(APPEND KLEE_COMPONENT_EXTRA_INCLUDE_DIRS ${Z3_INCLUDE_DIRS})
list(APPEND KLEE_SOLVER_LIBRARIES ${Z3_LIBRARIES})
# Check the signature of `Z3_get_error_msg()`
cmake_push_check_state()
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${Z3_INCLUDE_DIRS})
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${Z3_LIBRARIES})
check_cxx_source_compiles("
#include <z3.h>
void custom_z3_error_handler(Z3_context ctx, Z3_error_code ec) {
::Z3_string errorMsg = Z3_get_error_msg(ctx, ec);
}
int main(int argc, char** argv) {
return 0;
}
" HAVE_Z3_GET_ERROR_MSG_NEEDS_CONTEXT)
cmake_pop_check_state()
if (HAVE_Z3_GET_ERROR_MSG_NEEDS_CONTEXT)
message(STATUS "Z3_get_error_msg requires context")
else()
message(STATUS "Z3_get_error_msg does not require context")
endif()
list(APPEND KLEE_SOLVER_INCLUDE_DIRS ${Z3_INCLUDE_DIRS})
list(APPEND KLEE_SOLVER_LIBRARY_DIRS ${Z3_LIBRARIES})
else()
message(FATAL_ERROR "Z3 not found.")
endif()
else()
message(STATUS "Z3 solver support disabled")
set(ENABLE_Z3 0) # For config.h
endif()
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