This is an alphabetical list of documented cache variables used by macros defined in Autoconf. Autoconf macros may use additional cache variables internally.
ac_cv_alignof_type-or-expr: Generic Compiler Characteristicsac_cv_c_const: C Compilerac_cv_c_int16_t: Particular Typesac_cv_c_int32_t: Particular Typesac_cv_c_int64_t: Particular Typesac_cv_c_int8_t: Particular Typesac_cv_c_restrict: C Compilerac_cv_c_uint16_t: Particular Typesac_cv_c_uint32_t: Particular Typesac_cv_c_uint64_t: Particular Typesac_cv_c_uint8_t: Particular Typesac_cv_f77_compiler_gnu: Fortran Compilerac_cv_f77_dummy_main: Fortran Compilerac_cv_f77_implicit_none: Fortran Compilerac_cv_f77_libs: Fortran Compilerac_cv_f77_main: Fortran Compilerac_cv_f77_mangling: Fortran Compilerac_cv_fc_check_bounds: Fortran Compilerac_cv_fc_compiler_gnu: Fortran Compilerac_cv_fc_dummy_main: Fortran Compilerac_cv_fc_fixedform: Fortran Compilerac_cv_fc_freeform: Fortran Compilerac_cv_fc_implicit_none: Fortran Compilerac_cv_fc_libs: Fortran Compilerac_cv_fc_line_length: Fortran Compilerac_cv_fc_main: Fortran Compilerac_cv_fc_mangling: Fortran Compilerac_cv_fc_module_ext: Fortran Compilerac_cv_fc_module_flag: Fortran Compilerac_cv_fc_module_output_flag: Fortran Compilerac_cv_fc_pp_define: Fortran Compilerac_cv_fc_pp_srcext_ext: Fortran Compilerac_cv_fc_srcext_ext: Fortran Compilerac_cv_file_file: Filesac_cv_func_chown_works: Particular Functionsac_cv_func_closedir_void: Particular Functionsac_cv_func_fnmatch_gnu: Particular Functionsac_cv_func_fnmatch_works: Particular Functionsac_cv_func_function: Generic Functionsac_cv_func_getgroups_works: Particular Functionsac_cv_func_getpgrp_void: Particular Functionsac_cv_func_lstat_dereferences_slashed_symlink: Particular Functionsac_cv_func_lstat_empty_string_bug: Particular Functionsac_cv_func_malloc_0_nonnull: Particular Functionsac_cv_func_mbrtowc: Particular Functionsac_cv_func_memcmp_working: Particular Functionsac_cv_func_mmap_fixed_mapped: Particular Functionsac_cv_func_obstack: Particular Functionsac_cv_func_pow: Particular Functionsac_cv_func_realloc_0_nonnull: Particular Functionsac_cv_func_setpgrp_void: Particular Functionsac_cv_func_stat_empty_string_bug: Particular Functionsac_cv_func_strcoll_works: Particular Functionsac_cv_func_strerror_r_char_p: Particular Functionsac_cv_func_strnlen_working: Particular Functionsac_cv_func_strtod: Particular Functionsac_cv_func_strtold: Particular Functionsac_cv_func_utime_null: Particular Functionsac_cv_func_working_mktime: Particular Functionsac_cv_have_decl_symbol: Generic Declarationsac_cv_header_header-file: Generic Headersac_cv_header_stdbool_h: Particular Headersac_cv_header_stdc: Particular Headersac_cv_header_sys_wait_h: Particular Headersac_cv_header_time: Particular Headersac_cv_lib_error_at_line: Particular Functionsac_cv_lib_library_function: Librariesac_cv_member_aggregate_member: Generic Structuresac_cv_member_struct_stat_st_blocks: Particular Structuresac_cv_path_install: Particular Programsac_cv_path_mkdir: Particular Programsac_cv_path_SED: Particular Programsac_cv_path_variable: Generic Programsac_cv_prog_AWK: Particular Programsac_cv_prog_c_openmp: Generic Compiler Characteristicsac_cv_prog_cc_c89: C Compilerac_cv_prog_cc_c99: C Compilerac_cv_prog_cc_compiler_c_o: C Compilerac_cv_prog_cc_stdc: C Compilerac_cv_prog_cxx_openmp: Generic Compiler Characteristicsac_cv_prog_EGREP: Particular Programsac_cv_prog_f77_c_o: Fortran Compilerac_cv_prog_f77_g: Fortran Compilerac_cv_prog_f77_openmp: Generic Compiler Characteristicsac_cv_prog_f77_v: Fortran Compilerac_cv_prog_fc_c_o: Fortran Compilerac_cv_prog_fc_g: Fortran Compilerac_cv_prog_fc_openmp: Generic Compiler Characteristicsac_cv_prog_fc_v: Fortran Compilerac_cv_prog_FGREP: Particular Programsac_cv_prog_GREP: Particular Programsac_cv_prog_LEX: Particular Programsac_cv_prog_variable: Generic Programsac_cv_prog_YACC: Particular Programsac_cv_search_function: Librariesac_cv_search_getmntent: Particular Functionsac_cv_sizeof_type-or-expr: Generic Compiler Characteristicsac_cv_sys_posix_termios: System Servicesac_cv_type_getgroups: Particular Typesac_cv_type_long_double: Particular Typesac_cv_type_long_double_wider: Particular Typesac_cv_type_long_long_int: Particular Typesac_cv_type_mbstate_t: Particular Typesac_cv_type_mode_t: Particular Typesac_cv_type_off_t: Particular Typesac_cv_type_pid_t: Particular Typesac_cv_type_size_t: Particular Typesac_cv_type_ssize_t: Particular Typesac_cv_type_type: Generic Typesac_cv_type_uid_t: Particular Typesac_cv_type_unsigned_long_long_int: Particular Types