Config_main(3) OCaml library Config_main(3) NAME Config_main - System configuration Module Module Config_main Documentation Module Config_main : sig end System configuration Warning: this module is unstable and part of Compiler_libs . val version : string The current version number of the system val bindir : string The directory containing the binary programs val standard_library : string The directory containing the standard libraries val ccomp_type : string The "kind" of the C compiler, assembler and linker used: one of "cc" (for Unix-style C compilers) "msvc" (for Microsoft Visual C++ and MASM) val c_compiler : string The compiler to use for compiling C files val c_output_obj : string Name of the option of the C compiler for specifying the output file val c_has_debug_prefix_map : bool Whether the C compiler supports -fdebug-prefix-map val as_has_debug_prefix_map : bool Whether the assembler supports --debug-prefix-map val ocamlc_cflags : string The flags ocamlc should pass to the C compiler val ocamlc_cppflags : string The flags ocamlc should pass to the C preprocessor val ocamlopt_cflags : string Deprecated. Config_main.ocamlc_cflags should be used instead. The flags ocamlopt should pass to the C compiler val ocamlopt_cppflags : string Deprecated. Config_main.ocamlc_cppflags should be used instead. The flags ocamlopt should pass to the C preprocessor val bytecomp_c_libraries : string The C libraries to link with custom runtimes val native_c_libraries : string The C libraries to link with native-code programs val native_pack_linker : string The linker to use for packaging (ocamlopt -pack) and for partial links (ocamlopt -output-obj). val mkdll : string The linker command line to build dynamic libraries. val mkexe : string The linker command line to build executables. val mkmaindll : string The linker command line to build main programs as dlls. val default_rpath : string Option to add a directory to be searched for libraries at runtime (used by ocamlmklib) val mksharedlibrpath : string Option to add a directory to be searched for shared libraries at runtime (used by ocamlmklib) val ar : string Name of the ar command, or "" if not needed (MSVC) val interface_suffix : string ref Suffix for interface file names val exec_magic_number : string Magic number for bytecode executable files val cmi_magic_number : string Magic number for compiled interface files val cmo_magic_number : string Magic number for object bytecode files val cma_magic_number : string Magic number for archive files val cmx_magic_number : string Magic number for compilation unit descriptions val cmxa_magic_number : string Magic number for libraries of compilation unit descriptions val ast_intf_magic_number : string Magic number for file holding an interface syntax tree val ast_impl_magic_number : string Magic number for file holding an implementation syntax tree val cmxs_magic_number : string Magic number for dynamically-loadable plugins val cmt_magic_number : string Magic number for compiled interface files val linear_magic_number : string Magic number for Linear internal representation files val max_tag : int Biggest tag that can be stored in the header of a regular block. val lazy_tag : int Normally the same as Obj.lazy_tag. Separate definition because of technical reasons for bootstrapping. val max_young_wosize : int Maximal size of arrays that are directly allocated in the minor heap val stack_threshold : int Size in words of safe area at bottom of VM stack, see runtime/caml/config.h val stack_safety_margin : int Size in words of the safety margin between the bottom of the stack and the stack pointer. This margin can be used by intermediate computations of some instructions, or the event handler. val native_compiler : bool Whether the native compiler is available or not Since 5.1 val architecture : string Name of processor type for the native-code compiler val model : string Name of processor submodel for the native-code compiler val system : string Name of operating system for the native-code compiler val asm : string The assembler (and flags) to use for assembling ocamlopt-generated code. val asm_cfi_supported : bool Whether assembler understands CFI directives val with_frame_pointers : bool Whether assembler should maintain frame pointers val ext_obj : string Extension for object files, e.g. .o under Unix. val ext_asm : string Extension for assembler files, e.g. .s under Unix. val ext_lib : string Extension for library files, e.g. .a under Unix. val ext_dll : string Extension for dynamically-loaded libraries, e.g. .so under Unix. val ext_exe : string Extension for executable programs, e.g. .exe under Windows. Since 4.12 val default_executable_name : string Name of executable produced by linking if none is given with -o, e.g. a.out under Unix. val systhread_supported : bool Whether the system thread library is implemented val flexdll_dirs : string list Directories needed for the FlexDLL objects val host : string Whether the compiler is a cross-compiler val target : string Whether the compiler is a cross-compiler val flambda : bool Whether the compiler was configured for flambda val with_flambda_invariants : bool Whether the invariants checks for flambda are enabled val with_cmm_invariants : bool Whether the invariants checks for Cmm are enabled val reserved_header_bits : int How many bits of a block's header are reserved val flat_float_array : bool Whether the compiler and runtime automagically flatten float arrays val function_sections : bool Whether the compiler was configured to generate each function in a separate section val windows_unicode : bool Whether Windows Unicode runtime is enabled val naked_pointers : bool Whether the runtime supports naked pointers Since 4.14 val supports_shared_libraries : bool Whether shared libraries are supported Since 4.08 val native_dynlink : bool Whether native shared libraries are supported Since 5.1 val afl_instrument : bool Whether afl-fuzz instrumentation is generated by default val ar_supports_response_files : bool Whether ar supports @FILE arguments. val print_config : out_channel -> unit Access to configuration values val config_var : string -> string option the configuration value of a variable, if it exists OCamldoc 2024-02-29 Config_main(3)