The second line of a multi-line override is failing on VMS.

It is passing through to the operating system the "@" character that is supposed to be inhibiting reporting of the recipe line.
This is causing VMS to look for a command file instead of the command.

run_command_with_output(/lcl_root/make/tests/work/features/override.log_3,): mak
e -f /lcl_root/make/tests/work/features/override.mk_2 "foo=Hello"
run_command_with_output returned 512.
Error running make (expected 0; got 512): make -f /lcl_root/make/tests/work/feat
ures/override.mk_2 "foo=Hello"
Comparing Output ........ FAILED (3/4 passed)

EAGLE> make -f /lcl_root/make/tests/work/features/override.mk_2 "foo=Hello"
First comes the definition.
%DCL-E-OPENIN, error opening LCL_ROOT:[make.tests]echo.COM; as input
-RMS-E-FNF, file not found
/lcl_root/make/tests/work/features/override.mk_2:6: recipe for target 'all' failed