[src/trunk]: src/share/mk deprecate SHAREDSTRINGS build option

[lukem <lukem%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d093cc4d7628
branches:  trunk
changeset: 375979:d093cc4d7628
user:      lukem <lukem%NetBSD.org@localhost>
date:      Wed May 24 10:07:16 2023 +0000

description:
deprecate SHAREDSTRINGS build option

Hasn't worked for at least 20 years (and never in the cross-build environment,
nor did it work with parallel make), and has never been needed in NetBSD as we
don't have the older BSD programs (pascal, pre-nvi ex) that needed mkstr/xstr
on PDP-11.

PR toolchain/35964

diffstat:

 share/mk/bsd.README  |   6 +-----
 share/mk/bsd.prog.mk |  18 +-----------------
 2 files changed, 2 insertions(+), 22 deletions(-)

diffs (52 lines):

diff -r 95ff27bff85e -r d093cc4d7628 share/mk/bsd.README
--- a/share/mk/bsd.README       Wed May 24 00:02:51 2023 +0000
+++ b/share/mk/bsd.README       Wed May 24 10:07:16 2023 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.README,v 1.442 2022/10/01 08:55:45 rillig Exp $
+#      $NetBSD: bsd.README,v 1.443 2023/05/24 10:07:16 lukem Exp $
 #      @(#)bsd.README  8.2 (Berkeley) 4/2/94
 
 This is the README file for the make "include" files for the NetBSD
@@ -1832,10 +1832,6 @@ DPADD            Additional dependencies for the p
                LIBXXF86MISC?=          ${DESTDIR}/usr/X11R7/lib/libXxf86misc.a
                LIBXXF86VM?=            ${DESTDIR}/usr/X11R7/lib/libXxf86vm.a
 
-SHAREDSTRINGS  If defined, a new .c.o rule is used that results in shared
-               strings, using xstr(1). Note that this will not work with
-               parallel makes.
-
 STRIPFLAG      The flag passed to the install program to cause the binary
                to be stripped.
 
diff -r 95ff27bff85e -r d093cc4d7628 share/mk/bsd.prog.mk
--- a/share/mk/bsd.prog.mk      Wed May 24 00:02:51 2023 +0000
+++ b/share/mk/bsd.prog.mk      Wed May 24 10:07:16 2023 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.prog.mk,v 1.343 2023/05/08 14:31:08 christos Exp $
+#      $NetBSD: bsd.prog.mk,v 1.344 2023/05/24 10:07:16 lukem Exp $
 #      @(#)bsd.prog.mk 8.2 (Berkeley) 4/2/94
 
 .ifndef HOSTPROG
@@ -35,22 +35,6 @@ realinstall: proginstall scriptsinstall
 
 CLEANFILES+= a.out [Ee]rrs mklog core *.core .gdbinit
 
-.if defined(SHAREDSTRINGS)
-CLEANFILES+=strings
-.c.o:
-       ${CC} -E ${CPPFLAGS} ${CFLAGS} ${.IMPSRC} | xstr -c -
-       @${CC} ${CPPFLAGS} ${CFLAGS} -c x.c ${OBJECT_TARGET}
-       ${CTFCONVERT_RUN}
-       @rm -f x.c
-
-.cc.o .cpp.o .cxx.o .C.o:
-       ${CXX} -E ${CPPFLAGS} ${CXXFLAGS} ${.IMPSRC} | xstr -c -
-       @${MV} x.c x.cc
-       @${CXX} ${CPPFLAGS} ${CXXFLAGS} -c x.cc ${OBJECT_TARGET}
-       ${CTFCONVERT_RUN}
-       @rm -f x.cc
-.endif
-
 .if defined(MKPIE) && (${MKPIE} != "no") && !defined(NOPIE)
 CFLAGS+=       ${PIE_CFLAGS}
 AFLAGS+=       ${PIE_AFLAGS}