CVS psmith make: Fix bug #2238: the read.c:eval() function was not entirely reentrant.

CVSROOT:        /cvsroot/make
Module name:    make
Changes by:     psmith  03/01/30 02:49:17

Modified files:
        .              : ChangeLog read.c 
        tests          : ChangeLog 
        tests/scripts/features: targetvars 
        tests/scripts/functions: call eval 

Log message:
Fix bug #2238: the read.c:eval() function was not entirely reentrant.
Apply patch #1022: fix a memory corruption on very long target-specific
variable definition lines.