Switch GPL_DTC to default off

We use the BSDL devicetree compiler as long as we have a C++11 compiler.
dtc is not needed as a build tool on the platforms that are still using
GCC 4.2.1 (and it is being disabled very soon, anyhow).

Discussed with:	imp, kevans

1 files changed, 4 insertions, 3 deletions

diff --git a/share/mk/src.opts.mk b/share/mk/src.opts.mk
index b6cba1e64222..9db7ee14d6f9 100644
--- a/share/mk/src.opts.mk
+++ b/share/mk/src.opts.mk
@@ -200,6 +200,7 @@ __DEFAULT_NO_OPTIONS = \
     DTRACE_TESTS \
     EXPERIMENTAL \
     GNU_GREP_COMPAT \
+    GPL_DTC \
     HESIOD \
     HTTPD \
     LIBSOFT \
@@ -308,16 +309,16 @@ __DEFAULT_NO_OPTIONS+=LLVM_TARGET_BPF
     ${__TT} != "riscv" && ${__TT} != "sparc64")
 # Clang is enabled, and will be installed as the default /usr/bin/cc.
 __DEFAULT_YES_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_IS_CC LLD
-__DEFAULT_NO_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX GPL_DTC
+__DEFAULT_NO_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
 .elif ${COMPILER_FEATURES:Mc++11} && ${__T} != "sparc64"
 # If an external compiler that supports C++11 is used as ${CC} and Clang
 # supports the target, then Clang is enabled but GCC is installed as the
 # default /usr/bin/cc.
-__DEFAULT_YES_OPTIONS+=CLANG GCC GCC_BOOTSTRAP GNUCXX GPL_DTC LLD
+__DEFAULT_YES_OPTIONS+=CLANG GCC GCC_BOOTSTRAP GNUCXX LLD
 __DEFAULT_NO_OPTIONS+=CLANG_BOOTSTRAP CLANG_IS_CC
 .else
 # Everything else disables Clang, and uses GCC instead.
-__DEFAULT_YES_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX GPL_DTC
+__DEFAULT_YES_OPTIONS+=GCC GCC_BOOTSTRAP GNUCXX
 __DEFAULT_NO_OPTIONS+=CLANG CLANG_BOOTSTRAP CLANG_IS_CC LLD
 .endif
 # In-tree binutils/gcc are older versions without modern architecture support.