devel/libcutl: Explain why USE_CXXSTD=c++11 is used

While here, also add a note to its only consumer, devel/xsd, to mention why it also needs USE_CXXSTD and when it can be removed.
freebsd · Jul 5, 2023 · b56d0bc · b56d0bc
1 parent 8f41d77
commit b56d0bc
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 0 deletions.
diff --git a/devel/libcutl/Makefile b/devel/libcutl/Makefile
@@ -17,6 +17,8 @@ LIB_DEPENDS=	libboost_system.so:devel/boost-libs \
 		libexpat.so:textproc/expat2
 
 USES=		compiler:c++11-lib libtool
+# libcutl 1.10.0 is not compatible with C++17, which is the default since clang
+# 16. This means ports depending on it also need to use at most C++14.
 USE_CXXSTD=	c++11
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip

diff --git a/devel/xsd/Makefile b/devel/xsd/Makefile
@@ -23,6 +23,9 @@ LIB_DEPENDS=	libcutl.so:devel/libcutl \
 		libxerces-c.so:textproc/xerces-c3
 
 USES=		compiler:c++11-lang ghostscript:build gmake localbase:ldflags tar:bzip2
+# devel/libcutl 1.10.0 does not work with C++17 which is the default since
+# clang 16. This can be removed once that port starts working with C++17 and
+# has its own USE_CXXSTD removed.
 USE_CXXSTD=	c++11
 
 MAKEFILE=	makefile