gecko: bump LLVM_DEFAULT to 11

Detach from tree-wide default as coordinating with other maintainers
is expensive for little gain. User's choice is still respected.

llvm11 has better Tier2 support, more optimizations, reduces package size
and aligns with what contributors dogfood.

Mk/bsd.gecko.mk

@@ -92,6 +92,10 @@ MOZ_OPTIONS+=	--with-libclang-path="${LOCALBASE}/llvm${LLVM_DEFAULT}/lib"
 .if !exists(/usr/bin/llvm-objdump)
 MOZ_EXPORT+=	LLVM_OBJDUMP="${LOCALBASE}/bin/llvm-objdump${LLVM_DEFAULT}"
 .endif
+# Ignore Mk/bsd.default-versions.mk but respect make.conf(5)
+.if !defined(DEFAULT_VERSIONS) || ! ${DEFAULT_VERSIONS:Mllvm*}
+LLVM_DEFAULT=	11 # bump if not latest release
+.endif
 # Require newer Clang than what's in base system unless user opted out
 . if ${CC} == cc && ${CXX} == c++ && exists(/usr/lib/libc++.so)
 BUILD_DEPENDS+=	${LOCALBASE}/bin/clang${LLVM_DEFAULT}:devel/llvm${LLVM_DEFAULT}

mail/thunderbird/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	thunderbird
 DISTVERSION=	78.4.3
+PORTREVISION=	1
 CATEGORIES=	mail news net-im
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}/source \
 		MOZILLA/${PORTNAME}/candidates/${DISTVERSION}-candidates/build1/source

www/firefox-esr/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	firefox
 DISTVERSION=	78.5.0
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	www
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}esr/source \

www/firefox/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	firefox
 DISTVERSION=	83.0
-PORTREVISION=	1
+PORTREVISION=	2
 PORTEPOCH=	2
 CATEGORIES=	www
 MASTER_SITES=	MOZILLA/${PORTNAME}/releases/${DISTVERSION}/source \