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AG_CHECK_PATHFIND
Not all systems have pathfind(3). See if we need to substitute. To make this work, you have to do horrible things. See the doc for AG_CHECK_STRCSPN.
Bruce Korb <bkorb@gnu.org>
2008-04-12
AC_DEFUN([AG_CHECK_PATHFIND],[ AC_MSG_CHECKING([whether pathfind(3) works]) AC_CACHE_VAL([ag_cv_pathfind],[ AC_TRY_RUN([#include <string.h> #include <stdlib.h> int main (int argc, char** argv) { char* pz = pathfind( getenv( "PATH" ), "sh", "x" ); return (pz == 0) ? 1 : 0; }],[ag_cv_pathfind=yes],[ag_cv_pathfind=no],[ag_cv_pathfind=no] ) # end of TRY_RUN]) # end of CACHE_VAL AC_MSG_RESULT([$ag_cv_pathfind]) if test x$ag_cv_pathfind = xyes then AC_DEFINE(HAVE_PATHFIND, 1, [Define this if pathfind(3) works]) else if test x$ac_cv_lib_gen_pathfind = xyes then : else COMPATOBJ="$COMPATOBJ pathfind.lo" fi fi ]) # end of AC_DEFUN of AG_CHECK_PATHFIND
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