re: port-sparc/54660: undefined reference in libsupc++.a on netbsd-9/sparc

[matthew green <mrg%eterna.com.au@localhost>]

The following reply was made to PR port-sparc/54660; it has been noted by GNATS.

From: matthew green <mrg%eterna.com.au@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
    jdbaker%consolidated.net@localhost
Subject: re: port-sparc/54660: undefined reference in libsupc++.a on netbsd-9/sparc
Date: Sun, 19 Apr 2020 05:00:25 +1000

 actually, atomicity.h is properly handled.  it's just that sparc
 wants it in libsupc++ and it's only in libstdc++.
 
 the hack below may help.
 
 John, i'll see about testing myself, but if you can try a test
 (you should only have to reinstall libsupc++.a) that would be
 great.  thanks.
 
 
 .mrg.
 
 
 Index: libsupc++/Makefile
 ===================================================================
 RCS file: /cvsroot/src/external/gpl3/gcc/lib/libsupc++/Makefile,v
 retrieving revision 1.12
 diff -p -u -r1.12 Makefile
 --- libsupc++/Makefile	19 Jan 2019 17:11:02 -0000	1.12
 +++ libsupc++/Makefile	18 Apr 2020 18:56:28 -0000
 @@ -25,6 +25,15 @@ SHLIB_MINOR=	0
  SRCS=		${LIBSUPCXXSRCS} xmalloc.c
  CXXFLAGS+=	${G_SECTION_FLAGS}
  
 +# XXX PR#54660
 +.if ${MACHINE} == "sparc"
 +SRCS+=		atomicity.cc
 +DIST=		${GCCDIST}
 +GLIBCXX_SRCDIR=	${DIST}/libstdc++-v3
 +BUILDSYMLINKS+=	\
 +	${GLIBCXX_SRCDIR}/${G_ATOMICITY_SRCDIR}/atomicity.h atomicity.cc
 +.endif
 +
  COPTS.cp-demangle.c = -Wno-stack-protector -Wno-unused-function
  
  .include "../Makefile.gthr"