From my config.log:
ECHO_N='-n'
ECHO_T=''
EGREP='/bin/grep -E'
EXEEXT=''
GREP='/bin/grep'
INSTALL_DATA='${INSTALL} -m 644'
INSTALL_PROGRAM='${INSTALL}'
INSTALL_SCRIPT='${INSTALL}'
LDFLAGS=''
LEX='flex'
LEXLIB='-lfl'
LEX_OUTPUT_ROOT='lex.yy'
LIBOBJS=''
There are vars that depend on INSTALL listed, but INSTALL itself isn't
listed. However, INSTALL does get substituted, but it is not listed
in config.log, which is a bummer for those of us who might cut and paste
the variables to create a Makefile.in . The same with srcdir:
psdir='${docdir}'
sbindir='${exec_prefix}/sbin'
sharedstatedir='${prefix}/com'
sysconfdir='${prefix}/etc'
I noticed that in a different bug report (ostensibly unrelated),
somebody else was missing these vars in their config.log as well.
http://preview.tinyurl.com/3jcdg6q
So I am not alone.
Somewhere along the line, these vars managed to escape from being reported!
I did notice that config.status has a little section in it that has the
missing vars all grouped together. Coincidence?
:t
/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
s|@configure_input@|$ac_sed_conf_input|;t t
s&@top_builddir@&$ac_top_builddir_sub&;t t
s&@top_build_prefix@&$ac_top_build_prefix&;t t
s&@srcdir@&$ac_srcdir&;t t
s&@abs_srcdir@&$ac_abs_srcdir&;t t
s&@top_srcdir@&$ac_top_srcdir&;t t
s&@abs_top_srcdir@&$ac_abs_top_srcdir&;t t
s&@builddir@&$ac_builddir&;t t
s&@abs_builddir@&$ac_abs_builddir&;t t
s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
s&@INSTALL@&$ac_INSTALL&;t t
$ac_datarootdir_hack
"
All the best.
LHB Jr.