1 INCLUDE(CheckCXXSourceRuns)
3 # Function to check Z3's version
4 function(check_z3_version z3_include z3_lib)
5 # The program that will be executed to print Z3's version.
6 file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testz3.c
10 unsigned int major, minor, build, rev;
11 Z3_get_version(&major, &minor, &build, &rev);
12 printf(\"%u.%u.%u\", major, minor, build);
17 get_filename_component(z3_lib_path ${z3_lib} PATH)
23 ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testz3.c
24 COMPILE_DEFINITIONS -I"${z3_include}"
25 LINK_LIBRARIES -L${z3_lib_path} -lz3
26 RUN_OUTPUT_VARIABLE SRC_OUTPUT
30 string(REGEX REPLACE "([0-9]*\\.[0-9]*\\.[0-9]*)" "\\1"
31 z3_version "${SRC_OUTPUT}")
32 set(Z3_VERSION_STRING ${z3_version} PARENT_SCOPE)
34 endfunction(check_z3_version)
36 # Looking for Z3 in LLVM_Z3_INSTALL_DIR
37 find_path(Z3_INCLUDE_DIR NAMES z3.h
39 PATHS ${LLVM_Z3_INSTALL_DIR}/include
40 PATH_SUFFIXES libz3 z3
43 find_library(Z3_LIBRARIES NAMES z3 libz3
45 PATHS ${LLVM_Z3_INSTALL_DIR}
49 # If Z3 has not been found in LLVM_Z3_INSTALL_DIR look in the default directories
50 find_path(Z3_INCLUDE_DIR NAMES z3.h
51 PATH_SUFFIXES libz3 z3
54 find_library(Z3_LIBRARIES NAMES z3 libz3
58 # Searching for the version of the Z3 library is a best-effort task
59 unset(Z3_VERSION_STRING)
61 # First, try to check it dynamically, by compiling a small program that
63 if(Z3_INCLUDE_DIR AND Z3_LIBRARIES)
64 # We do not have the Z3 binary to query for a version. Try to use
65 # a small C++ program to detect it via the Z3_get_version() API call.
66 check_z3_version(${Z3_INCLUDE_DIR} ${Z3_LIBRARIES})
69 # If the dynamic check fails, we might be cross compiling: if that's the case,
70 # check the version in the headers, otherwise, fail with a message
71 if(NOT Z3_VERSION_STRING AND (CMAKE_CROSSCOMPILING AND
73 EXISTS "${Z3_INCLUDE_DIR}/z3_version.h"))
74 # TODO: print message warning that we couldn't find a compatible lib?
76 # Z3 4.8.1+ has the version is in a public header.
77 file(STRINGS "${Z3_INCLUDE_DIR}/z3_version.h"
78 z3_version_str REGEX "^#define[\t ]+Z3_MAJOR_VERSION[\t ]+.*")
79 string(REGEX REPLACE "^.*Z3_MAJOR_VERSION[\t ]+([0-9]).*$" "\\1"
80 Z3_MAJOR "${z3_version_str}")
82 file(STRINGS "${Z3_INCLUDE_DIR}/z3_version.h"
83 z3_version_str REGEX "^#define[\t ]+Z3_MINOR_VERSION[\t ]+.*")
84 string(REGEX REPLACE "^.*Z3_MINOR_VERSION[\t ]+([0-9]).*$" "\\1"
85 Z3_MINOR "${z3_version_str}")
87 file(STRINGS "${Z3_INCLUDE_DIR}/z3_version.h"
88 z3_version_str REGEX "^#define[\t ]+Z3_BUILD_NUMBER[\t ]+.*")
89 string(REGEX REPLACE "^.*Z3_BUILD_VERSION[\t ]+([0-9]).*$" "\\1"
90 Z3_BUILD "${z3_version_str}")
92 set(Z3_VERSION_STRING ${Z3_MAJOR}.${Z3_MINOR}.${Z3_BUILD})
96 if(NOT Z3_VERSION_STRING)
97 # Give up: we are unable to obtain a version of the Z3 library. Be
98 # conservative and force the found version to 0.0.0 to make version
100 set(Z3_VERSION_STRING "0.0.0")
103 # handle the QUIETLY and REQUIRED arguments and set Z3_FOUND to TRUE if
104 # all listed variables are TRUE
105 include(FindPackageHandleStandardArgs)
106 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Z3
107 REQUIRED_VARS Z3_LIBRARIES Z3_INCLUDE_DIR
108 VERSION_VAR Z3_VERSION_STRING)
110 mark_as_advanced(Z3_INCLUDE_DIR Z3_LIBRARIES)