when certain .mk files include other .mk files. This will remove the
need for multiple include protection in some other makefiles around the
tree (and helps some elf conditionals).
Notes:
- We no longer use -fgnu-runtime in bsd.lib.mk, since it is the default
and bsd.lib.mk is the wrong place to override it.
- Gnu C doesn't have a special compiler driver for Objective C like it
does for C++. The defaults are suitable for Gnu C. Use `OBJCLIBS='
in /etc/make.conf for POC.
that want a y.tab.h file. This want must be specified by putting y.tab.h
in SRCS (and defaulting to or putting -d in YFLAGS). This only works if
there is only one yacc parser, of course. One improvement: copy y.tab.c
to foo.c instead of renaming it, so that `#line...y.tab.c' statements in
it refer to an existing file.
Regress to not generating explicit rules for .l and .y sources containing
slashes. This case is unusual and hard to handle properly.
Don't generate an unused dependency when -d is not in YFLAGS.
sources. This will be used to fix `make -jN' races in many
Makefiles in /usr/src, and to simplify these and other Makefiles.
To get the fixes and simplifications, application Makefiles should
put the raw lex and yacc source names (foo.l and bar.y) in SRCS and
not put the names of any generated files in SRCS or CLEANFILES. A
few Makefiles already do this, although it didn't actually work before
(mkdep couldn't create complete dependencies because there is no
intermediate .c file for the .y.o and .l.o implicit rules).
Complications: if bar.y is in SRCS and -d is in YFLAGS, then bar.h
will be generated whether or not it is used, even if this clobbers a
real source file. This is so that bar.c can be generated using the
-j-safe and debugger-friendly -o option to YACC. There are smaller
warts for handling y.tab.h. y.tab.c and lex.yy.c are not supported.
since 2.1.x make(1) apparently does not have the -m switch to set both
the the bsd.*.mk and sys.mk location, and this breaks 'make world' from a
2.1.x system.
note, using "-Wl,-f" to generate a library objects list doesn't work
anymore since the hack to ld hasn't been incorporated into binutils-2.8.
(and the -f switch is used for something else already)
This is disabled by default, don't panic! :-)
a couple *.mk files to enable -current world building on really old
machines (e.g., 2.1.5).
Reviewed by: too many many people to list here, special thanks to bde
in a few places (in bsd.lib.mk and bsd.prog.mk); this merely fixed part of
the brokenness by not setting it here.
This fixes building of secure telnetd when DESTDIR is defined.
(Otherwise, it will try to link libtelnet from ${DESTDIR}/usr/lib.)
Reviewed by: bde, jkh
for how to use gcc to invoke the linker only.
Removed `.if 0'ed support for not creating intermediate object files.
Removed unused include of bsd.libnames.mk (LDONLY had the last reference
to it).
Removed stale misplaced comment about MANDEPEND.
almost perfect dependencies on crt0's and libraries. DPADD and
bsd.libnames.mk should go away soon. Use a new _EXTRADEPEND target
to implement this and to avoid editing of .depend when .depend isn;t
being rebuilt. The afterdepend target doesn't seem to be good for
anything and is now unused.
Fixed LDDESTDIR for the DESTDIR case when ${SHLIBDIR} != /usr/lib.
Added commented-out -nostdlib to LDDESTDIR for the DESTDIR case.
The wrong libraries may be used without this; however it breaks
linkage to crt0 and libc.
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
bsd.obj.mk. Also, a make target called objwarn checks to see
if ${.OBJDIR} != ${.CURDIR} and ${.OBJDIR} != ${CANONICALOBJDIR}
and outputs a warning. (No warning for the latter if MAKEOBJDIR or MAKEOBJDIRP
REFIX is set). objwarn is called from all targets in bsd.prog.mk, bsd.kmod.mk,
and bsd.lib.mk.
Reviewed by: bde
