Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/clang/cmake/modules/FindZ3.cmake

@@ -0,0 +1,28 @@
+find_path(Z3_INCLUDE_DIR NAMES z3.h
+   PATH_SUFFIXES libz3 z3
+   )
+
+find_library(Z3_LIBRARIES NAMES z3 libz3
+   )
+
+find_program(Z3_EXECUTABLE z3)
+
+if(Z3_INCLUDE_DIR AND Z3_EXECUTABLE)
+    execute_process (COMMAND ${Z3_EXECUTABLE} -version
+      OUTPUT_VARIABLE libz3_version_str
+      ERROR_QUIET
+      OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+    string(REGEX REPLACE "^Z3 version ([0-9.]+)" "\\1"
+           Z3_VERSION_STRING "${libz3_version_str}")
+    unset(libz3_version_str)
+endif()
+
+# handle the QUIETLY and REQUIRED arguments and set Z3_FOUND to TRUE if
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Z3
+                                  REQUIRED_VARS Z3_LIBRARIES Z3_INCLUDE_DIR
+                                  VERSION_VAR Z3_VERSION_STRING)
+
+mark_as_advanced(Z3_INCLUDE_DIR Z3_LIBRARIES)