Removing flags from ${CONFIGURE_ARGS}

[Jason Bacon <jwbacon%tds.net@localhost>]

Is there a standardized way to *remove* something from CONFIGURE_ARGS?

I'm packaging NCBI BLAST, which has a configure script that doesn't 
support --with-libintil-prefix, among other things.

I thought I saw a method for this some time back, but I can't find 
anything in the guide or any examples in other packages.

Thanks,

    Jason

===> Configuring for blast-2.2.29
echo AR="ar cr" --without-boost 
--with-libintl-prefix="/Users/bacon/Pkgsrc/pkg-1" 
--with-libiconv-prefix=/Users/bacon/Pkgsrc/pkg-1 
--prefix=/Users/bacon/Pkgsrc/pkg-1 --build=i386-apple-darwin10 
--host=i386-apple-darwin10 --mandir=/Users/bacon/Pkgsrc/pkg-1/man
AR=ar cr --without-boost --with-libintl-prefix=/Users/bacon/Pkgsrc/pkg-1 
--with-libiconv-prefix=/Users/bacon/Pkgsrc/pkg-1 
--prefix=/Users/bacon/Pkgsrc/pkg-1 --build=i386-apple-darwin10 
--host=i386-apple-darwin10 --mandir=/Users/bacon/Pkgsrc/pkg-1/man
=> Modifying GNU configure scripts to avoid --recheck
=> Replacing config-guess with pkgsrc versions
=> Replacing config-sub with pkgsrc versions
=> Replacing install-sh with pkgsrc version
=> Replacing python interpreter in 
src/app/winmasker/windowmasker_2.2.22_adapter.py.
=> Replacing Perl interpreter in src/app/blast/legacy_blast.pl 
src/app/blast/update_blastdb.pl.
touch: configure.lock/for-bacon@/bin/hostname: No such file or directory
configure: loading site script 
/Users/bacon/Pkgsrc/pkgsrc-1/jb-wip/ncbi-blast/work/ncbi-blast-2.2.29+-src/c++/src/build-system/config.site

configure: loading cache config.cache
configure: error: --with-libintl-prefix=/Users/bacon/Pkgsrc/pkg-1:  
unknown option; use --help to show usage
*** Error code 1

--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Jason W. Bacon
  jwbacon%tds.net@localhost

  Circumstances don't make a man:
  They reveal him.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~