lists of flags for exec. ' ' is a magic value that means match all
white space, and trim leading / trailing whitespace. Will prevent
many spurious arguments to underlying compiler.
This commit was SVN r18726.
is still to use the C based wrapper compilers (which have many more features
and are more well tested). The Perl compilers are enabled with the option
--enable-script-wrapper-compilers, which also ignores the option
--disable-binaries (ie --enable-script-wrapper-compilers --disable-binaries
will result in perl-based wrapper compilers being installed, but no other
binaries being installed).
This commit was SVN r18655.