git: 26b11d047d20 - releng/13.0 - libpmc: fix linking with C programs

[Alan Somers]

The branch releng/13.0 has been updated by asomers:

URL: https://cgit.FreeBSD.org/src/commit/?id=26b11d047d207d9d8859a03e582efc0c01c64f85

commit 26b11d047d207d9d8859a03e582efc0c01c64f85
Author:     Alan Somers <asomers at FreeBSD.org>
AuthorDate: 2021-02-15 22:51:31 +0000
Commit:     Alan Somers <asomers at FreeBSD.org>
CommitDate: 2021-02-21 20:42:51 +0000

    libpmc: fix linking with C programs
    
    Revision r334749 Added some C++ code to libpmc.  It didn't change the ABI,
    but it did introduce a dependency on libc++.  Nobody noticed because every
    program that in the base system that uses libpmc is also C++.
    
    Approved by:    re (gjb)
    Reported-by:    Dom Dwyer <dom at itsallbroken.com>
    Reviewed By:    vangyzen
    MFC after:      3 days
    Differential Revision: https://reviews.freebsd.org/D28550
    
    (cherry picked from commit 04e34c0202ea50cea67d5779f54bc612c74e6532)
---
 lib/libpmc/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/libpmc/Makefile b/lib/libpmc/Makefile
index 01554e9b1526..42aa14e58471 100644
--- a/lib/libpmc/Makefile
+++ b/lib/libpmc/Makefile
@@ -6,6 +6,7 @@ SRCS=	libpmc.c pmclog.c libpmc_pmu_util.c libpmc_json.cc
 INCS=	pmc.h pmclog.h pmcformat.h
 
 CFLAGS+= -I${SRCTOP}/${RELDIR:H}/libpmcstat
+LDADD+=	-lc++
 
 .if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_ARCH} == "amd64" || \
     ${MACHINE_ARCH} == "i386"