folly/m4/fb_filter_pkg_libs.m4

   1 AC_DEFUN([FB_FILTER_PKG_LIBS],
   2   [AC_REQUIRE([AC_PROG_SED])
   3    deps_=`for p in $PKG_DEPS; do pkg-config --libs $p; done`
   4    filter_=`for l in $deps_;dnl
   5      do echo $l | $SED -e 's%\(-l.*\)%-e s/\1//%' -e '/^-L/d';dnl
   6      done`
   7    PKG_LIBS=`echo $1 | $SED $filter_`
   8   ]
   9 )