git: 7cc6e39cb6a9 - stable/13 - Do not build libatf-c++ when WITHOUT_CXX

From: Ed Maste <emaste_at_FreeBSD.org>
Date: Mon, 29 Nov 2021 15:11:27 UTC 
The branch stable/13 has been updated by emaste:

URL: https://cgit.FreeBSD.org/src/commit/?id=7cc6e39cb6a934dea99a6aff336b353e938fbc58

commit 7cc6e39cb6a934dea99a6aff336b353e938fbc58
Author:     Ed Maste <emaste@FreeBSD.org>
AuthorDate: 2021-10-29 03:01:21 +0000
Commit:     Ed Maste <emaste@FreeBSD.org>
CommitDate: 2021-11-29 15:10:53 +0000

    Do not build libatf-c++ when WITHOUT_CXX
    
    libatf-c++ requires C++ support.
    
    From jrtc27: bit slightly odd this isn't gated by MK_TESTS (which itself
    depends on MK_CXX), but this makes sense given the current behaviour.
    
    Reported by:    Michael Dexter, Build Option Survey
    Reviewed by:    imp, jrtc27
    Sponsored by:   The FreeBSD Foundation
    Differential Revision: https://reviews.freebsd.org/D32732
    
    (cherry picked from commit 6ce99625ca7acecaa64723f0440007eb3f60f53d)
---
 lib/atf/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/atf/Makefile b/lib/atf/Makefile
index baadf535b424..05c7973fdc02 100644
--- a/lib/atf/Makefile
+++ b/lib/atf/Makefile
@@ -27,8 +27,8 @@
 
 .include <src.opts.mk>
 
-SUBDIR=		libatf-c \
-		libatf-c++ \
+SUBDIR=			libatf-c
+SUBDIR.${MK_CXX}+=	libatf-c++
 
 SUBDIR.${MK_TESTS}+= tests