+\FCbuild\&.\F[], then the following name is a build environment variable\&. Variables without a value (e\&.g\&.
+\FCXFSDUMP\F[]
+on a system that does not support that type of file system) will not report an error and will return an empty string as the value\&. Some boolean variables (e\&.g\&.
+\fIUSE_AMANDAHOSTS\fR) will return
+\FC1\F[]
+if the flag is set or an empty string if it is not, while others return
+\FCyes\F[]
+or
+\FCno\F[], as indicated below (the difference is historical)\&.
+.PP
+Combining the
+\FC\-\-list\F[]
+option with the parameter
+\FCbuild\F[]
+will enumerate all available build parameters\&.
+.PP
+\fBBuild Parameters\fR
+.PP
+\FCbindir\F[], \FCsbindir\F[], \FClibexecdir\F[], \FCmandir\F[]
+.RS 4
+Install directories
+.RE
+.PP
+\FCAMANDA_TMPDIR\F[], \FCCONFIG_DIR\F[], \FCAMANDA_DBGDIR\F[], \FCGNUTAR_LISTED_INCREMENTAL_DIR\F[]
+.RS 4
+Runtime directories
+.RE
+.PP
+\FClisted_inc_dir\F[]
+.RS 4
+Same as
+\FCGNUTAR_LISTED_INCREMENTAL_DIR\F[]
+.RE
+.PP
+\FCCC\F[], \FCVERSION\F[], \FCASSERTIONS\F[], \FCLOCKING\F[], \FCUSE_VERSION_SUFFIXES\F[]
+.RS 4
+Build information\&.
+\FCASSERTIONS\F[]
+is 1 or empty, while
+\FCUSE_VERSION_SUFFIXES\F[]
+is yes/no\&.
+.RE
+.PP
+\FCDUMP\F[], \FCRESTORE\F[], \FCVDUMP\F[], \FCVRESTORE\F[], \FCXFSDUMP\F[], \FCXFSRESTORE\F[], \FCVXDUMP\F[], \FCVXRESTORE\F[], \FCSAMBA_CLIENT\F[], \FCGNUTAR\F[], \FCSTAR\F[], \FCCOMPRESS_PATH\F[], \FCUNCOMPRESS_PATH\F[]
+.RS 4
+Paths to various utility progarms (empty if they are not found or not used)
+.RE
+.PP
+\FCAIX_BACKUP\F[]
+.RS 4
+Is
+\FCDUMP\F[]
+the AIX backup program? (empty or 1)
+.RE
+.PP
+\FCDUMP_RETURNS_1\F[]
+.RS 4
+Does
+\FCDUMP\F[]
+return 1 on success? (empty or 1)
+.RE
+.PP
+\FCBSD_SECURITY\F[], \FCBSDUDP_SECURITY\F[], \FCBSDTCP_SECURITY\F[], \FCKRB4_SECURITY\F[], \FCKRB5_SECURITY\F[], \FCSSH_SECURITY\F[], \FCRSH_SECURITY\F[]
+.RS 4
+Indicate which authentication mechanisms are available (yes or no)\&.
+.RE
+.PP
+\FCUSE_AMANDAHOSTS\F[]
+.RS 4
+Should the "bsd" authentication mechanism use
+\FCamandahosts\F[]? (yes or no)\&.
+.RE
+.PP
+\FCAMANDA_DEBUG_DAYS\F[]
+.RS 4
+Number of days after which debug logs are deleted\&.
+.RE
+.PP
+\FCDEFAULT_SERVER\F[], \FCDEFAULT_CONFIG\F[], \FCDEFAULT_TAPE_SERVER\F[], \FCDEFAULT_TAPE_DEVICE\F[]
+.RS 4
+Default values for configuration parameters
+.RE
+.PP
+\FCCLIENT_LOGIN\F[]
+.RS 4
+Userid under which the client runs (from
+\FC\-\-with\-user\F[])\&.
+.RE
+.PP
+\FCUSE_RUNDUMP\F[]
+.RS 4
+Should Amanda use the
+\FCrundump\F[]
+wrapper? (empty or 1)
+.RE
+.PP
+\FCCHECK_USERID\F[]
+.RS 4
+Does Amanda check that userids are correct? (empty or 1)
+.RE
+.PP
+\FCCOMPRESS_SUFFIX\F[], \FCCOMPRESS_FAST_OPT\F[], \FCCOMPRESS_BEST_OPT\F[], \FCUNCOMPRESS_OPT\F[]
+.RS 4
+Command\-line options for the compression program\&.
+.RE
+.PP
+\FCTICKET_LIFETIME\F[], \FCSERVER_HOST_PRINCIPAL\F[], \FCSERVER_HOST_INSTANCE\F[], \FCSERVER_HOST_KEY_FILE\F[], \FCCLIENT_HOST_PRINCIPAL\F[], \FCCLIENT_HOST_INSTANCE\F[], \FCCLIENT_HOST_KEY_FILE\F[]
+.RS 4
+Kerberos parameters\&.
+.RE
+.SS "DEBUG LOG MANAGEMENT"
+.if n \{\
+.sp
+.\}
+.RS 4
+.BM yellow
+.it 1 an-trap
+.nr an-no-space-flag 1
+.nr an-break-flag 1
+.br
+.ps +1
+\fBNote\fR
+.ps -1
+.br
+That this application is responsible for debug logs is a
+historical quirk, but the functionality is widely used\&..sp .5v
+.EM yellow
+.RE