This variable conditionally defines the HAS_BZERO symbol if
the bzero() routine is available to set memory to 0.
+d_c99_variadic_macros (d_c99_variadic.U):
+ This variable conditionally defines the HAS_C99_VARIADIC_MACROS
+ symbol, which indicates to the C program that C99 variadic macros
+ are available.
+
d_casti32 (d_casti32.U):
This variable conditionally defines CASTI32, which indicates
whether the C compiler can cast large floats to 32-bit ints.
make_set_make="MAKE=$make" # if it doesn't.
This uses a comment character to distinguish a
- 'set' value (from a previous config.sh or Configure -D option)
+ 'set' value (from a previous config.sh or Configure '-D' option)
from an uncomputed value.
mallocobj (mallocsrc.U):
whole thing is then lower-cased.
n (n.U):
- This variable contains the -n flag if that is what causes the echo
+ This variable contains the '-n' flag if that is what causes the echo
command to suppress newline. Otherwise it is null. Correct usage is
$echo $n "prompt for a question: $c".
installed perl5.005 or later suitable for running the script
to determine inc_version_list.
+PERL_API_REVISION (patchlevel.h):
+ This number describes the earliest compatible PERL_REVISION of
+ Perl ("compatibility" here being defined as sufficient binary/API
+ compatibility to run XS code built with the older version).
+ Normally this does not change across maintenance releases.
+ Please read the comment in patchlevel.h.
+
+PERL_API_SUBVERSION (patchlevel.h):
+ This number describes the earliest compatible PERL_SUBVERSION of
+ Perl ("compatibility" here being defined as sufficient binary/API
+ compatibility to run XS code built with the older version).
+ Normally this does not change across maintenance releases.
+ Please read the comment in patchlevel.h.
+
+PERL_API_VERSION (patchlevel.h):
+ This number describes the earliest compatible PERL_VERSION of
+ Perl ("compatibility" here being defined as sufficient binary/API
+ compatibility to run XS code built with the older version).
+ Normally this does not change across maintenance releases.
+ Please read the comment in patchlevel.h.
+
+PERL_CONFIG_SH (Oldsyms.U):
+ This is set to 'true' in config.sh so that a shell script
+ sourcing config.sh can tell if it has been sourced already.
+
+PERL_PATCHLEVEL (Oldsyms.U):
+ This symbol reflects the patchlevel, if available. Will usually
+ come from the .patch file, which is available when the perl
+ source tree was fetched with rsync.
+
perl_patchlevel (patchlevel.U):
This is the Perl patch level, a numeric change identifier,
as defined by whichever source code maintenance system
/bin/sh, though it's possible that some systems will have /bin/ksh,
/bin/pdksh, /bin/ash, /bin/bash, or even something such as
D:/bin/sh.exe.
- This unit comes before Options.U, so you can't set sh with a -D
+ This unit comes before Options.U, so you can't set sh with a '-D'
option, though you can override this (and startsh)
- with -O -Dsh=/bin/whatever -Dstartsh=whatever
+ with '-O -Dsh=/bin/whatever -Dstartsh=whatever'
shar (Loc.U):
This variable is defined but not used by Configure.
spitshell (spitshell.U):
This variable contains the command necessary to spit out a runnable
- shell on this system. It is either cat or a grep -v for # comments.
+ shell on this system. It is either cat or a grep '-v' for # comments.
sPRId64 (quadfio.U):
This variable, if defined, contains the string used by stdio to