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These files are shell and perl scripts used for configuring/building R.
They are not required at run time, and hence not installed.
The files are as follows.
config.guess
config.sub
auxiliary scripts for configure.
From https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD etc
config.rpath
from gettext 1.18.1.1 sources. Modified here to allow for FreeBSD 10.x.
install-sh
mdate-sh
missing
standard tools from GNU autoconf. Taken from the autoconf CVS
(pserver:anoncvs@subversions.gnu.org:/cvsroot/autoconf, module
'autoconf').
install-sh may be set by configure as a substitute for the
'install' program.
missing may be set by configure as a substitute for various GNU programs.
mdate-sh is not currently used.
GETCONFIG
create API 'Rconfig.h' from the configure information in
'config.h'.
GETDISTNAME
get the name of the distribution tarball.
GETMAKEVAL
get the value of a Make variable from a Makefile [this needs to
be improved]. Used by configure.
GETVERSION
create API 'Rversion.h' from 'VERSION' and 'SVN-REVISION'.
copy-if-change
copy a file if changed; otherwise, do nothing.
getsp.java
Java source for share/java/getsp.class used for extracting
system properties when detecting Java support in R CMD
javareconf. We don't require the existence of a Java
compiler, so we need to supply the compiled version as well.
help2man.pl
generate simple manual pages from program output. Taken from
the GNU help2man package (ftp://ftp.gnu.org/gnu/help2man/).
Used for a maintainer-mode build only: requires Perl.
install-info.pl
create or update entry in Info directory. Taken from the Debian
GNU/Linux stable distribution in 2001. Only used if a suitable
install-info program is not found: requires Perl.
ldAIX4
writes an export file, assembling the exported symbols by
reading the output of nm. This file is needed on AIX (4.2 and
later) to compile shared libs.
link-recommended
create links with simplified names to the recommended packages.
ltmain.sh
provide generalized library-building support services. Taken
from Libtool 2.2.6a.
move-if-change
move a file if changed; otherwise, remove.
rsync-recommended
obtain sources for the recommended packages using rsync, and then
create links with simplified names to these.
updatefat
updates a fat file by adding a new architecture (macOS only)
it is essentially a smart wrapper for "lipo". (No longer used.)
GETCONFIG, GETVERSION, copy-if-change and move-if-change are used on Windows,
and require cmp, cp, echo, expr, grep, mv and sed.