X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/9cdcdad126263a7888f5a86ae60f65f2e7011d28..f2a60c1f79f4336895ffcbe81f18e49b0228ea44:/Porting/Glossary diff --git a/Porting/Glossary b/Porting/Glossary index 301fa66..a94eaab 100644 --- a/Porting/Glossary +++ b/Porting/Glossary @@ -405,6 +405,10 @@ d_accessx (d_accessx.U): This variable conditionally defines the HAS_ACCESSX symbol, which indicates to the C program that the accessx() routine is available. +d_acosh (d_acosh.U): + This variable conditionally defines the HAS_ACOSH symbol, which + indicates to the C program that the acosh() routine is available. + d_aintl (d_aintl.U): This variable conditionally defines the HAS_AINTL symbol, which indicates to the C program that the aintl() routine is available. @@ -428,6 +432,14 @@ d_asctime_r (d_asctime_r.U): which indicates to the C program that the asctime_r() routine is available. +d_asinh (d_asinh.U): + This variable conditionally defines the HAS_ASINH symbol, which + indicates to the C program that the asinh() routine is available. + +d_atanh (d_atanh.U): + This variable conditionally defines the HAS_ATANH symbol, which + indicates to the C program that the atanh() routine is available. + d_atolf (atolf.U): This variable conditionally defines the HAS_ATOLF symbol, which indicates to the C program that the atolf() routine is available. @@ -478,6 +490,11 @@ d_attribute_warn_unused_result (d_attribut.U): compiler can know that certain functions have a return values that must not be ignored, such as malloc() or open(). +d_backtrace (d_backtrace.U): + This variable conditionally defines the HAS_BACKTRACE symbol, which + indicates to the C program that the backtrace() routine is available + to get a stack trace. + d_bcmp (d_bcmp.U): This variable conditionally defines the HAS_BCMP symbol if the bcmp() routine is available to compare strings. @@ -530,6 +547,11 @@ d_castneg (d_castneg.U): This variable conditionally defines CASTNEG, which indicates whether the C compiler can cast negative float to unsigned. +d_cbrt (d_cbrt.U): + This variable conditionally defines the HAS_CBRT symbol, which + indicates to the C program that the cbrt() (cube root) function + is available. + d_charvspr (d_vprintf.U): This variable conditionally defines CHARVSPRINTF if this system has vsprintf returning type (char*). The trend seems to be to @@ -569,6 +591,10 @@ d_const (d_const.U): indicates to the C program that this C compiler knows about the const type. +d_copysign (d_copysign.U): + This variable conditionally defines the HAS_COPYSIGN symbol, which + indicates to the C program that the copysign() routine is available. + d_copysignl (d_copysignl.U): This variable conditionally defines the HAS_COPYSIGNL symbol, which indicates to the C program that the copysignl() routine is available. @@ -650,6 +676,11 @@ d_dirnamlen (i_dirent.U): to the C program that the length of directory entry names is provided by a d_namelen field. +d_dladdr (d_dladdr.U): + This variable conditionally defines the HAS_DLADDR symbol, which + indicates to the C program that the dladdr() routine is available + to get a stack trace. + d_dlerror (d_dlerror.U): This variable conditionally defines the HAS_DLERROR symbol, which indicates to the C program that the dlerror() routine is available. @@ -663,6 +694,38 @@ d_dlsymun (d_dlsymun.U): indicates that we need to prepend an underscore to the symbol name before calling dlsym(). +d_double_has_inf (infnan.U): + This variable conditionally defines the symbol DOUBLE_HAS_INF + which indicates that the double type has an infinity. + +d_double_has_nan (infnan.U): + This variable conditionally defines the symbol DOUBLE_HAS_INF + which indicates that the double type has a not-a-number. + +d_double_has_negative_zero (infnan.U): + This variable conditionally defines the symbol DOUBLE_HAS_NEGATIVE_ZERO + which indicates that the double type has a negative zero. + +d_double_has_subnormals (infnan.U): + This variable conditionally defines the symbol DOUBLE_HAS_SUBNORMALS + which indicates that the double type has subnormals (denormals). + +d_double_style_cray (longdblfio.U): + This variable conditionally defines the symbol DOUBLE_STYLE_CRAY + which indicates that the double is the 64-bit CRAY mainframe format. + +d_double_style_ibm (longdblfio.U): + This variable conditionally defines the symbol DOUBLE_STYLE_IBM, + which indicates that the double is the 64-bit IBM mainframe format. + +d_double_style_ieee (longdblfio.U): + This variable conditionally defines the symbol DOUBLE_STYLE_IEEE, + which indicates that the double is the 64-bit IEEE 754. + +d_double_style_vax (longdblfio.U): + This variable conditionally defines the symbol DOUBLE_STYLE_VAX, + which indicates that the double is the 64-bit VAX format D or G. + d_dosuid (d_dosuid.U): This variable conditionally defines the symbol DOSUID, which tells the C program that it should insert setuid emulation code @@ -683,6 +746,11 @@ d_dup2 (d_dup2.U): This variable conditionally defines HAS_DUP2 if dup2() is available to duplicate file descriptors. +d_duplocale (d_newlocale.U): + This variable conditionally defines the HAS_DUPLOCALE symbol, which + indicates to the C program that the duplocale() routine is available + to duplicate a locale object. + d_eaccess (d_eaccess.U): This variable conditionally defines the HAS_EACCESS symbol, which indicates to the C program that the eaccess() routine is available. @@ -747,10 +815,26 @@ d_eofnblk (nblock_io.U): This variable conditionally defines EOF_NONBLOCK if EOF can be seen when reading from a non-blocking I/O source. +d_erf (d_erf.U): + This variable conditionally defines the HAS_ERF symbol, which + indicates to the C program that the erf() routine is available. + +d_erfc (d_erfc.U): + This variable conditionally defines the HAS_ERFC symbol, which + indicates to the C program that the erfc() routine is available. + d_eunice (Guess.U): This variable conditionally defines the symbols EUNICE and VAX, which alerts the C program that it must deal with idiosyncrasies of VMS. +d_exp2 (d_exp2.U): + This variable conditionally defines the HAS_EXP2 symbol, which + indicates to the C program that the exp2() routine is available. + +d_expm1 (d_expm1.U): + This variable conditionally defines the HAS_EXPM1 symbol, which + indicates to the C program that the expm1() routine is available. + d_faststdio (d_faststdio.U): This variable conditionally defines the HAS_FAST_STDIO symbol, which indicates to the C program that the "fast stdio" is available @@ -787,6 +871,14 @@ d_fd_set (d_fd_set.U): This variable contains the eventual value of the HAS_FD_SET symbol, which indicates if your C compiler knows about the fd_set typedef. +d_fdclose (d_fdclose.U): + This variable conditionally defines the HAS_FDCLOSE symbol, which + indicates to the C program that the fdclose() routine is available. + +d_fdim (d_fdim.U): + This variable conditionally defines the HAS_FDIM symbol, which + indicates to the C program that the fdim() routine is available. + d_fds_bits (d_fd_set.U): This variable contains the eventual value of the HAS_FDS_BITS symbol, which indicates if your fd_set typedef contains the fds_bits member. @@ -794,6 +886,10 @@ d_fds_bits (d_fd_set.U): a half-fast job and neglected to provide the macros to manipulate an fd_set, HAS_FDS_BITS will let us know how to fix the gaffe. +d_fegetround (d_fegetround.U): + This variable conditionally defines HAS_FEGETROUND if fegetround() is + available to get the floating point rounding mode. + d_fgetpos (d_fgetpos.U): This variable conditionally defines HAS_FGETPOS if fgetpos() is available to get the file position indicator. @@ -820,6 +916,18 @@ d_flockproto (d_flockproto.U): a prototype for the flock() function. Otherwise, it is up to the program to supply one. +d_fma (d_fma.U): + This variable conditionally defines the HAS_FMA symbol, which + indicates to the C program that the fma() routine is available. + +d_fmax (d_fmax.U): + This variable conditionally defines the HAS_FMAX symbol, which + indicates to the C program that the fmax() routine is available. + +d_fmin (d_fmin.U): + This variable conditionally defines the HAS_FMIN symbol, which + indicates to the C program that the fmin() routine is available. + d_fork (d_fork.U): This variable conditionally defines the HAS_FORK symbol, which indicates to the C program that the fork() routine is available. @@ -828,6 +936,14 @@ d_fp_class (d_fp_class.U): This variable conditionally defines the HAS_FP_CLASS symbol, which indicates to the C program that the fp_class() routine is available. +d_fp_classify (d_fpclassify.U): + This variable conditionally defines the HAS_FP_CLASSIFY symbol, which + indicates to the C program that the fp_classify() routine is available. + +d_fp_classl (d_fp_classl.U): + This variable conditionally defines the HAS_FP_CLASSL symbol, which + indicates to the C program that the fp_classl() routine is available. + d_fpathconf (d_pathconf.U): This variable conditionally defines the HAS_FPATHCONF symbol, which indicates to the C program that the pathconf() routine is available @@ -846,9 +962,18 @@ d_fpclassl (d_fpclassl.U): This variable conditionally defines the HAS_FPCLASSL symbol, which indicates to the C program that the fpclassl() routine is available. +d_fpgetround (d_fpgetround.U): + This variable conditionally defines HAS_FPGETROUND if fpgetround() + is available to get the floating point rounding mode. + d_fpos64_t (d_fpos64_t.U): This symbol will be defined if the C compiler supports fpos64_t. +d_freelocale (d_newlocale.U): + This variable conditionally defines the HAS_FREELOCALE symbol, which + indicates to the C program that the freelocale() routine is available + to deallocates the resources associated with a locale object. + d_frexpl (d_frexpl.U): This variable conditionally defines the HAS_FREXPL symbol, which indicates to the C program that the frexpl() routine is available. @@ -890,6 +1015,12 @@ d_futimes (d_futimes.U): This variable conditionally defines the HAS_FUTIMES symbol, which indicates to the C program that the futimes() routine is available. +d_gai_strerror (d_gai_strerror.U): + This variable conditionally defines the HAS_GAI_STRERROR symbol + if the gai_strerror() routine is available and can be used to + translate error codes returned by getaddrinfo() into human + readable strings. + d_Gconvert (d_gconvert.U): This variable holds what Gconvert is defined as to convert floating point numbers into strings. By default, Configure @@ -1240,9 +1371,19 @@ d_htonl (d_htonl.U): This variable conditionally defines HAS_HTONL if htonl() and its friends are available to do network order byte swapping. +d_hypot (d_hypot.U): + This variable conditionally defines HAS_HYPOT if hypot is available + for numerically stable hypotenuse function. + +d_ilogb (d_ilogb.U): + This variable conditionally defines the HAS_ILOGB symbol, which + indicates to the C program that the ilogb() routine is available + for extracting the exponent of double x as a signed integer. + d_ilogbl (d_ilogbl.U): This variable conditionally defines the HAS_ILOGBL symbol, which - indicates to the C program that the ilogbl() routine is available. + indicates to the C program that the ilogbl() routine is available + for extracting the exponent of long double x as a signed integer. If scalbnl is also present we can emulate frexpl. d_inc_version_list (inc_version_list.U): @@ -1299,10 +1440,22 @@ d_isfinite (d_isfinite.U): This variable conditionally defines the HAS_ISFINITE symbol, which indicates to the C program that the isfinite() routine is available. +d_isfinitel (d_isfinitel.U): + This variable conditionally defines the HAS_ISFINITEL symbol, which + indicates to the C program that the isfinitel() routine is available. + d_isinf (d_isinf.U): This variable conditionally defines the HAS_ISINF symbol, which indicates to the C program that the isinf() routine is available. +d_isinfl (d_isinfl.U): + This variable conditionally defines the HAS_ISINFL symbol, which + indicates to the C program that the isinfl() routine is available. + +d_isless (d_isless.U): + This variable conditionally defines the HAS_ISLESS symbol, which + indicates to the C program that the isless() routine is available. + d_isnan (d_isnan.U): This variable conditionally defines the HAS_ISNAN symbol, which indicates to the C program that the isnan() routine is available. @@ -1311,11 +1464,28 @@ d_isnanl (d_isnanl.U): This variable conditionally defines the HAS_ISNANL symbol, which indicates to the C program that the isnanl() routine is available. +d_isnormal (d_isnormal.U): + This variable conditionally defines the HAS_ISNORMAL symbol, which + indicates to the C program that the isnormal() routine is available. + +d_j0 (d_j0.U): + This variable conditionally defines the HAS_J0 symbol, which + indicates to the C program that the j0() routine is available. + +d_j0l (d_j0.U): + This variable conditionally defines the HAS_J0L symbol, which + indicates to the C program that the j0l() routine is available. + d_killpg (d_killpg.U): This variable conditionally defines the HAS_KILLPG symbol, which indicates to the C program that the killpg() routine is available to kill process groups. +d_lc_monetary_2008 (d_lc_monetary_2008.U): + This variable conditionally defines HAS_LC_MONETARY_2008 if libc + has the international currency locale rules from POSIX + 1003.1-2008. + d_lchown (d_lchown.U): This variable conditionally defines the HAS_LCHOWN symbol, which indicates to the C program that the lchown() routine is available @@ -1326,6 +1496,20 @@ d_ldbl_dig (d_ldbl_dig.U): header files provide LDBL_DIG, which is the number of significant digits in a long double precision number. +d_ldexpl (d_longdbl.U): + This variable conditionally defines the HAS_LDEXPL symbol, which + indicates to the C program that the ldexpl() routine is available. + +d_lgamma (d_lgamma.U): + This variable conditionally defines the HAS_LGAMMA symbol, which + indicates to the C program that the lgamma() routine is available + for the log gamma function. See also d_tgamma and d_lgamma_r. + +d_lgamma_r (d_lgamma_r.U): + This variable conditionally defines the HAS_LGAMMA_R symbol, which + indicates to the C program that the lgamma_r() routine is available + for the log gamma function, without using the global signgam variable. + d_libm_lib_version (d_libm_lib_version.U): This variable conditionally defines the LIBM_LIB_VERSION symbol, which indicates to the C program that math.h defines _LIB_VERSION @@ -1341,6 +1525,28 @@ d_link (d_link.U): This variable conditionally defines HAS_LINK if link() is available to create hard links. +d_llrint (d_llrint.U): + This variable conditionally defines the HAS_LLRINT symbol, which + indicates to the C program that the llrint() routine is available + to return the long long value closest to a double (according + to the current rounding mode). + +d_llrintl (d_llrintl.U): + This variable conditionally defines the HAS_LLRINTL symbol, which + indicates to the C program that the llrintl() routine is available + to return the long long value closest to a long double (according + to the current rounding mode). + +d_llround (d_llround.U): + This variable conditionally defines the HAS_LLROUND symbol, which + indicates to the C program that the llround() routine is available + to return the long long value nearest to x. + +d_llroundl (d_llroundl.U): + This variable conditionally defines the HAS_LLROUNDL symbol, which + indicates to the C program that the llroundl() routine is available + to return the long long value nearest to x away from zero. + d_localtime64 (d_timefuncs64.U): This variable conditionally defines the HAS_LOCALTIME64 symbol, which indicates to the C program that the localtime64 () routine is available. @@ -1362,14 +1568,75 @@ d_lockf (d_lockf.U): This variable conditionally defines HAS_LOCKF if lockf() is available to do file locking. +d_log1p (d_log1p.U): + This variable conditionally defines the HAS_LOG1P symbol, which + indicates to the C program that the logp1() routine is available + to compute log(1 + x) for values of x close to zero. + +d_log2 (d_log2.U): + This variable conditionally defines the HAS_LOG2 symbol, which + indicates to the C program that the log2() routine is available + to compute log base two. + +d_logb (d_logb.U): + This variable conditionally defines the HAS_LOGB symbol, which + indicates to the C program that the logb() routine is available + to extract the exponent of x. + d_longdbl (d_longdbl.U): This variable conditionally defines HAS_LONG_DOUBLE if the long double type is supported. +d_long_double_style_ieee (d_longdbl.U): + This variable conditionally defines LONG_DOUBLE_STYLE_IEEE + if the long double is any of the IEEE 754 style long doubles: + LONG_DOUBLE_STYLE_IEEE_STD, LONG_DOUBLE_STYLE_IEEE_EXTENDED, + LONG_DOUBLE_STYLE_IEEE_DOUBLEDOUBLE. + +d_long_double_style_ieee_doubledouble (d_longdbl.U): + This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_DOUBLEDOUBLE + if the long double is the 128-bit IEEE 754 double-double. + +d_long_double_style_ieee_extended (d_longdbl.U): + This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_EXTENDED + if the long double is the 80-bit IEEE 754 extended precision. + Note that despite the 'extended' this is less than the 'std', + since thisis an extension of the double precision. + +d_long_double_style_ieee_std (d_longdbl.U): + This variable conditionally defines LONG_DOUBLE_STYLE_IEEE_STD + if the long double is the 128-bit IEEE 754. + +d_long_double_style_vax (d_longdbl.U): + This variable conditionally defines LONG_DOUBLE_STYLE_VAX + if the long double is the 128-bit VAX format H. + d_longlong (d_longlong.U): This variable conditionally defines HAS_LONG_LONG if the long long type is supported. +d_lrint (d_lrint.U): + This variable conditionally defines the HAS_LRINT symbol, which + indicates to the C program that the lrint() routine is available + to return the integral value closest to a double (according + to the current rounding mode). + +d_lrintl (d_lrintl.U): + This variable conditionally defines the HAS_LRINTL symbol, which + indicates to the C program that the lrintl() routine is available + to return the integral value closest to a long double (according + to the current rounding mode). + +d_lround (d_lround.U): + This variable conditionally defines the HAS_LROUND symbol, which + indicates to the C program that the lround() routine is available + to return the integral value nearest to x. + +d_lroundl (d_lroundl.U): + This variable conditionally defines the HAS_LROUNDL symbol, which + indicates to the C program that the lroundl() routine is available + to return the integral value nearest to x away from zero. + d_lseekproto (d_lseekproto.U): This variable conditionally defines the HAS_LSEEK_PROTO symbol, which indicates to the C program that the system provides @@ -1422,6 +1689,12 @@ d_memcpy (d_memcpy.U): indicates to the C program that the memcpy() routine is available to copy blocks of memory. +d_memmem (d_memmem.U): + This variable conditionally defines the HAS_MEMMEM symbol, which + indicates to the C program that the memmem() routine is available + to return a pointer to the start of the first occurance of a + substring in a memory area (or NULL if not found). + d_memmove (d_memmove.U): This variable conditionally defines the HAS_MEMMOVE symbol, which indicates to the C program that the memmove() routine is available @@ -1473,13 +1746,6 @@ d_modfl (d_modfl.U): This variable conditionally defines the HAS_MODFL symbol, which indicates to the C program that the modfl() routine is available. -d_modfl_pow32_bug (d_modfl.U): - This variable conditionally defines the HAS_MODFL_POW32_BUG symbol, - which indicates that modfl() is broken for long doubles >= pow(2, 32). - For example from 4294967303.150000 one would get 4294967302.000000 - and 1.150000. The bug has been seen in certain versions of glibc, - release 2.2.2 is known to be okay. - d_modflproto (d_modfl.U): This symbol, if defined, indicates that the system provides a prototype for the modfl() function. Otherwise, it is up @@ -1552,6 +1818,10 @@ d_mymalloc (mallocsrc.U): of the source want to take special action if MYMALLOC is used. This may include different sorts of profiling or error detection. +d_nan (d_nan.U): + This variable conditionally defines HAS_NAN if nan() is + available to generate NaN. + d_ndbm (i_ndbm.U): This variable conditionally defines the HAS_NDBM symbol, which indicates that both the ndbm.h include file and an appropriate ndbm @@ -1569,6 +1839,26 @@ d_ndbm_h_uses_prototypes (i_ndbm.U): undefined. Consult the different d_*ndbm_h_uses_prototypes variables to get the same information for alternative ndbm.h include files. +d_nearbyint (d_nearbyint.U): + This variable conditionally defines HAS_NEARBYINT if nearbyint() + is available to return the integral value closest to (according to + the current rounding mode) to x. + +d_newlocale (d_newlocale.U): + This variable conditionally defines the HAS_NEWLOCALE symbol, which + indicates to the C program that the newlocale() routine is available + to return a new locale object or modify an existing locale object. + +d_nextafter (d_nextafter.U): + This variable conditionally defines HAS_NEXTAFTER if nextafter() + is available to return the next machine representable double from + x in direction y. + +d_nexttoward (d_nexttoward.U): + This variable conditionally defines HAS_NEXTTOWARD if nexttoward() + is available to return the next machine representable long double from + x in direction y. + d_nice (d_nice.U): This variable conditionally defines the HAS_NICE symbol, which indicates to the C program that the nice() routine is available. @@ -1646,6 +1936,8 @@ d_portable (d_portable.U): d_prctl (d_prctl.U): This variable conditionally defines the HAS_PRCTL symbol, which indicates to the C program that the prctl() routine is available. + Note that there are at least two prctl variants: Linux and Irix. + While they are somewhat similar, they are incompatible. d_prctl_set_name (d_prctl.U): This variable conditionally defines the HAS_PRCTL_SET_NAME symbol, @@ -1736,6 +2028,9 @@ d_pthread_yield (d_pthread_y.U): symbol if the pthread_yield routine is available to yield the execution of the current thread. +d_ptrdiff_t (d_ptrdiff_t.U): + This symbol will be defined if the C compiler supports ptrdiff_t. + d_pwage (i_pwd.U): This variable conditionally defines PWAGE, which indicates that struct passwd contains pw_age. @@ -1776,11 +2071,22 @@ d_quad (quadtype.U): This variable, if defined, tells that there's a 64-bit integer type, quadtype. +d_querylocale (d_newlocale.U): + This variable conditionally defines the HAS_QUERYLOCALE symbol, which + indicates to the C program that the querylocale() routine is available + to return the name of the locale for a category mask. + d_random_r (d_random_r.U): This variable conditionally defines the HAS_RANDOM_R symbol, which indicates to the C program that the random_r() routine is available. +d_re_comp (d_regcmp.U): + This variable conditionally defines the HAS_RECOMP symbol, which + indicates to the C program that the re_comp() routine is available + for regular patern matching (usally on BSD). If so, it is likely that + re_exec() exists. + d_readdir (d_readdir.U): This variable conditionally defines HAS_READDIR if readdir() is available to read directory entries. @@ -1808,6 +2114,24 @@ d_recvmsg (d_recvmsg.U): This variable conditionally defines the HAS_RECVMSG symbol, which indicates to the C program that the recvmsg() routine is available. +d_regcmp (d_regcmp.U): + This variable conditionally defines the HAS_REGCMP symbol, which + indicates to the C program that the regcmp() routine is available + for regular patern matching (usally on System V). + +d_regcomp (d_regcmp.U): + This variable conditionally defines the HAS_REGCOMP symbol, which + indicates to the C program that the regcomp() routine is available + for regular patern matching (usally on POSIX.2 conforming systems). + +d_remainder (d_remainder.U): + This variable conditionally defines the HAS_REMAINDER symbol, which + indicates to the C program that the remainder() routine is available. + +d_remquo (d_remquo.U): + This variable conditionally defines the HAS_REMQUO symbol, which + indicates to the C program that the remquo() routine is available. + d_rename (d_rename.U): This variable conditionally defines the HAS_RENAME symbol, which indicates to the C program that the rename() routine is available @@ -1817,10 +2141,18 @@ d_rewinddir (d_readdir.U): This variable conditionally defines HAS_REWINDDIR if rewinddir() is available. +d_rint (d_rint.U): + This variable conditionally defines the HAS_RINT symbol, which + indicates to the C program that the rint() routine is available. + d_rmdir (d_rmdir.U): This variable conditionally defines HAS_RMDIR if rmdir() is available to remove directories. +d_round (d_round.U): + This variable conditionally defines the HAS_ROUND symbol, which + indicates to the C program that the round() routine is available. + d_safebcpy (d_safebcpy.U): This variable conditionally defines the HAS_SAFE_BCOPY symbol if the bcopy() routine can do overlapping copies. Normally, you @@ -1842,6 +2174,10 @@ d_sbrkproto (d_sbrkproto.U): a prototype for the sbrk() function. Otherwise, it is up to the program to supply one. +d_scalbn (d_scalbn.U): + This variable conditionally defines the HAS_SCALBN symbol, which + indicates to the C program that the scalbn() routine is available. + d_scalbnl (d_scalbnl.U): This variable conditionally defines the HAS_SCALBNL symbol, which indicates to the C program that the scalbnl() routine is available. @@ -2078,6 +2414,38 @@ d_sigaction (d_sigaction.U): This variable conditionally defines the HAS_SIGACTION symbol, which indicates that the Vr4 sigaction() routine is available. +d_siginfo_si_addr (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_ADDR symbol, + which indicates that the siginfo_t struct has the si_addr member. + +d_siginfo_si_band (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_BAND symbol, + which indicates that the siginfo_t struct has the si_band member. + +d_siginfo_si_errno (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_ERRNO symbol, + which indicates that the siginfo_t struct has the si_errno member. + +d_siginfo_si_fd (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_FD symbol, + which indicates that the siginfo_t struct has the si_fd member. + +d_siginfo_si_pid (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_PID symbol, + which indicates that the siginfo_t struct has the si_pid member. + +d_siginfo_si_status (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_STATUS symbol, + which indicates that the siginfo_t struct has the si_status member. + +d_siginfo_si_uid (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_UID symbol, + which indicates that the siginfo_t struct has the si_uid member. + +d_siginfo_si_value (d_siginfo_si.U): + This variable conditionally defines the HAS_SIGINFO_SI_VALUE symbol, + which indicates that the siginfo_t struct has the si_value member. + d_signbit (d_signbit.U): This variable conditionally defines the HAS_SIGNBIT symbol, which indicates to the C program that the signbit() routine is available @@ -2174,6 +2542,10 @@ d_sresuproto (d_sresuproto.U): a prototype for the setresuid() function. Otherwise, it is up to the program to supply one. +d_stat (d_stat.U): + This variable conditionally defines HAS_STAT if stat() is + available to get file status. + d_statblks (d_statblks.U): This variable conditionally defines USE_STAT_BLOCKS if this system has a stat structure declaring @@ -2253,6 +2625,12 @@ d_strerror (d_strerror.U): This variable conditionally defines HAS_STRERROR if strerror() is available to translate error numbers to strings. +d_strerror_l (d_strerror_l.U): + This variable conditionally defines the HAS_STRERROR_L symbol, which + indicates to the C program that the strerror_l() routine is available + to return the error message for a given errno value in a particular + locale (identified by a locale_t object). + d_strerror_r (d_strerror_r.U): This variable conditionally defines the HAS_STRERROR_R symbol, which indicates to the C program that the strerror_r() @@ -2365,6 +2743,11 @@ d_telldirproto (d_telldirproto.U): a prototype for the telldir() function. Otherwise, it is up to the program to supply one. +d_tgamma (d_tgamma.U): + This variable conditionally defines the HAS_TGAMMA symbol, which + indicates to the C program that the tgamma() routine is available + for the gamma function. See also d_lgamma. + d_time (d_time.U): This variable conditionally defines the HAS_TIME symbol, which indicates that the time() routine exists. The time() routine is normally @@ -2392,10 +2775,21 @@ d_tmpnam_r (d_tmpnam_r.U): which indicates to the C program that the tmpnam_r() routine is available. +d_trunc (d_trunc.U): + This variable conditionally defines the HAS_TRUNC symbol, which + indicates to the C program that the trunc() routine is available + to round doubles towards zero. + d_truncate (d_truncate.U): This variable conditionally defines HAS_TRUNCATE if truncate() is available to truncate files. +d_truncl (d_truncl.U): + This variable conditionally defines the HAS_TRUNCL symbol, which + indicates to the C program that the truncl() routine is available + to round long doubles towards zero. If copysignl is also present, + we can emulate modfl. + d_ttyname_r (d_ttyname_r.U): This variable conditionally defines the HAS_TTYNAME_R symbol, which indicates to the C program that the ttyname_r() @@ -2435,6 +2829,11 @@ d_unsetenv (d_unsetenv.U): This variable conditionally defines the HAS_UNSETENV symbol, which indicates to the C program that the unsetenv () routine is available. +d_uselocale (d_newlocale.U): + This variable conditionally defines the HAS_USELOCALE symbol, which + indicates to the C program that the uselocale() routine is available + to set the current locale for the calling thread. + d_usleep (d_usleep.U): This variable conditionally defines HAS_USLEEP if usleep() is available to do high granularity sleeps. @@ -2560,6 +2959,9 @@ db_version_patch (i_db.U): Berkeley DB found in the header file. For DB version 1 this is always 0. +default_inc_excludes_dot (defaultincdot.U): + When defined, remove the legacy '.' from @INC + direntrytype (i_dirent.U): This symbol is set to 'struct direct' or 'struct dirent' depending on whether dirent is available or not. You should use this pseudo type to @@ -2573,6 +2975,39 @@ dlsrc (dlsrc.U): This variable contains the name of the dynamic loading file that will be used with the package. +doubleinfbytes (infnan.U): + This variable contains comma-separated list of hexadecimal bytes + for the double precision infinity. + +doublekind (longdblfio.U): + This variable, if defined, encodes the type of a double: + 1 = IEEE 754 32-bit little endian, + 2 = IEEE 754 32-bit big endian, + 3 = IEEE 754 64-bit little endian, + 4 = IEEE 754 64-bit big endian, + 5 = IEEE 754 128-bit little endian, + 6 = IEEE 754 128-bit big endian, + 7 = IEEE 754 64-bit mixed endian le-be, + 8 = IEEE 754 64-bit mixed endian be-le, + 9 = VAX 32bit little endian F float format + 10 = VAX 64bit little endian D float format + 11 = VAX 64bit little endian G float format + 12 = IBM 32bit format + 13 = IBM 64bit format + 14 = Cray 64bit format + -1 = unknown format. + +doublemantbits (mantbits.U): + This symbol, if defined, tells how many mantissa bits + there are in double precision floating point format. + Note that this is usually DBL_MANT_DIG minus one, since + with the standard IEEE 754 formats DBL_MANT_DIG includes + the implicit bit which doesn't really exist. + +doublenanbytes (infnan.U): + This variable contains comma-separated list of hexadecimal bytes + for the double precision not-a-number. + doublesize (doublesize.U): This variable contains the value of the DOUBLESIZE symbol, which indicates to the C program how many bytes there are in a double. @@ -2593,6 +3028,14 @@ drand48_r_proto (d_drand48_r.U): dtrace (usedtrace.U): This variable holds the location of the dtrace executable. +dtraceobject (dtraceobject.U): + Whether we need to build an object file with the dtrace tool. + +dtracexnolibs (dtraceobject.U): + Whether dtrace accepts -xnolibs. If available we call dtrace -h + and dtrace -G with -xnolibs to allow dtrace to run in a jail on + FreeBSD. + dynamic_ext (Extensions.U): This variable holds a list of XS extension files we want to link dynamically into the package. It is used by Makefile. @@ -3030,6 +3473,10 @@ i_assert (i_assert.U): indicates to the C program that exists and could be included. +i_bfd (i_bfd.U): + This variable conditionally defines the I_BFD symbol, and + indicates whether a C program can include . + i_bsdioctl (i_sysioctl.U): This variable conditionally defines the I_SYS_BSDIOCTL symbol, which indicates to the C program that exists and should @@ -3057,10 +3504,19 @@ i_dlfcn (i_dlfcn.U): indicates to the C program that exists and should be included. +i_execinfo (i_execinfo.U): + This variable conditionally defines the I_EXECINFO symbol, and indicates + whether a C program may include , for backtrace() support. + i_fcntl (i_fcntl.U): This variable controls the value of I_FCNTL (which tells the C program to include ). +i_fenv (i_fenv.U): + This variable conditionally defines the I_FENV symbol, which + indicates to the C program that exists and should + be included. + i_float (i_float.U): This variable conditionally defines the I_FLOAT symbol, and indicates whether a C program may include to get symbols like DBL_MAX @@ -3183,6 +3639,10 @@ i_pwd (i_pwd.U): This variable conditionally defines I_PWD, which indicates to the C program that it should include . +i_quadmath (i_quadmath.U): + This variable conditionally defines I_QUADMATH, which indicates + to the C program that it should include . + i_rpcsvcdbm (i_dbm.U): This variable conditionally defines the I_RPCSVC_DBM symbol, which indicates to the C program that exists and should @@ -3216,6 +3676,11 @@ i_stddef (i_stddef.U): indicates to the C program that exists and should be included. +i_stdint (i_stdint.U): + This variable conditionally defines the I_STDINT symbol, which + indicates to the C program that exists and should + be included. + i_stdlib (i_stdlib.U): This variable conditionally defines the I_STDLIB symbol, which indicates to the C program that exists and should @@ -3395,6 +3860,10 @@ i_vfork (i_vfork.U): This variable conditionally defines the I_VFORK symbol, and indicates whether a C program should include vfork.h. +i_xlocale (d_newlocale.U): + This symbol, if defined, indicates to the C program that it should + include to get uselocale() and its friends + ignore_versioned_solibs (libs.U): This variable should be non-empty if non-versioned shared libraries (libfoo.so.x.y) are to be ignored (because they @@ -3775,10 +4244,41 @@ loclibpth (libpth.U): libraries. It is prepended to libpth, and is intended to be easily set from the command line. +longdblinfbytes (infnan.U): + This variable contains comma-separated list of hexadecimal bytes + for the long double precision infinity. + +longdblkind (d_longdbl.U): + This variable, if defined, encodes the type of a long double: + 0 = double, + 1 = IEEE 754 128-bit little endian, + 2 = IEEE 754 128-bit big endian, + 3 = x86 80-bit little endian, + 4 = x86 80-bit big endian, + 5 = double-double 128-bit little endian, + 6 = double-double 128-bit big endian, + 7 = 128-bit mixed-endian double-double (64-bit LEs in BE), + 8 = 128-bit mixed-endian double-double (64-bit BEs in LE), + 9 = 128-bit PDP-style mixed-endian long doubles, + -1 = unknown format. + +longdblmantbits (mantbits.U): + This symbol, if defined, tells how many mantissa bits + there are in long double precision floating point format. + Note that this can be LDBL_MANT_DIG minus one, + since LDBL_MANT_DIG can include the IEEE 754 implicit bit. + The common x86-style 80-bit long double does not have + an implicit bit. + +longdblnanbytes (infnan.U): + This variable contains comma-separated list of hexadecimal bytes + for the long double precision not-a-number. + longdblsize (d_longdbl.U): This variable contains the value of the LONG_DOUBLESIZE symbol, which indicates to the C program how many bytes there are in a long double, - if this system supports long doubles. + if this system supports long doubles. Note that this is + sizeof(long double), which may include unused bytes. longlongsize (d_longlong.U): This variable contains the value of the LONGLONGSIZE symbol, which @@ -3812,22 +4312,6 @@ lseektype (lseektype.U): or whatever type is used to declare lseek offset's type in the kernel (which also appears to be lseek's return type). -mad (mad.U): - This variable indicates that the Misc Attribute Definition code is to - be compiled. - -madlyh (mad.U): - If the Misc Attribute Decoration is to be compiled, this variable is - set to the name of the extra header files to be used, else it is '' - -madlyobj (mad.U): - If the Misc Attribute Decoration is to be compiled, this variable is - set to the name of the extra object files to be used, else it is '' - -madlysrc (mad.U): - If the Misc Attribute Decoration is to be compiled, this variable is - set to the name of the extra C source files to be used, else it is '' - mail (Loc.U): This variable is defined but not used by Configure. The value is the empty string and is not useful. @@ -4058,8 +4542,13 @@ nvGUformat (perlxvf.U): This variable contains the format string used for printing a Perl NV using %G-ish floating point format. +nvmantbits (mantbits.U): + This variable tells how many bits the mantissa of a Perl NV has, + not including the possible implicit bit. + nvsize (perlxv.U): - This variable is the size of an NV in bytes. + This variable is the size of a Perl NV in bytes. + Note that some floating point formats have unused bytes. nvtype (perlxv.U): This variable contains the C type used for Perl's NV. @@ -5084,6 +5573,10 @@ use64bitint (use64bits.U): This may mean using for example "long longs", while your memory may still be limited to 2 gigabytes. +usecbacktrace (usebacktrace.U): + This variable indicates whether we are compiling with backtrace + support. + usecrosscompile (Cross.U): This variable conditionally defines the USE_CROSS_COMPILE symbol, and indicates that Perl has been cross-compiled. @@ -5172,6 +5665,11 @@ useposix (Extensions.U): for hints files to indicate that POSIX will not compile on a particular system. +usequadmath (usequadmath.U): + This variable conditionally defines the USE_QUADMATH symbol, + and indicates that the quadmath library __float128 long doubles + should be used when available. + usereentrant (usethreads.U): This variable conditionally defines the USE_REENTRANT_API symbol, which indicates that the thread code may try to use the various