[Bug 66357] make POSIX conformance problem ('sh -e' & '+' command-line)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=66357

NGie Cooper <ngie at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|freebsd-standards at FreeBSD.o |sjg at FreeBSD.org
                   |rg                          |
                 CC|                            |ngie at FreeBSD.org

--- Comment #6 from NGie Cooper <ngie at FreeBSD.org> ---
This seems to be an `issue` in bmake? CCing sjg -- this is due to the set -e
changes that were added to sys.mk in order to make things backwards compatible
with fmake:

$ make -f bug66357.mk all
Hello,
*** Error code 1

Stop.
make: stopped in /usr/src/svn
$ make -f bug66357.mk all -DWITHOUT_SHELL_ERRCTL
Hello,
World
a command
a command prefixed by '+' executes even with -n
another command
make: don't know how to make sub. Stop

make: stopped in /usr/src/svn
$ cat bug66357.mk 
.POSIX:
all: x plus sub err
x:
        @echo "Hello,"; false; echo "World"

plus:
        @echo a command
        + at echo "a command prefixed by '+' executes even with -n"
        @echo another command

subs:
        @echo make -n
        @${.MAKE} -f ${MAKEFILE} -n plus
        @echo make -n -j1
        @${.MAKE} -f ${MAKEFILE} -n -j1 plus

err:
        @(echo Now we expect an error...; exit 1)
        @echo "Oops! you shouldn't see this!"
$ make -VMAKE_VERSION
20151020

Sidenote: fixing the typo (sub -> subs in the targets list) yields this (not
sure if that was intentional or accidental):

$ make -f bug66357.mk all -DWITHOUT_SHELL_ERRCTL
Hello,
World
a command
a command prefixed by '+' executes even with -n
another command
make -n
echo a command
echo "a command prefixed by '+' executes even with -n"
a command prefixed by '+' executes even with -n
echo another command
make -n -j1
{ echo a command 
} || exit $?
echo "a command prefixed by '+' executes even with -n"
a command prefixed by '+' executes even with -n
{ echo another command 
} || exit $?
Now we expect an error...
*** Error code 1

Stop.
make: stopped in /usr/src/svn

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