diff --git a/devel/aarch64-gcc/Makefile b/devel/aarch64-gcc/Makefile
index b771b97a6240..020dd89db304 100644
--- a/devel/aarch64-gcc/Makefile
+++ b/devel/aarch64-gcc/Makefile
@@ -3,6 +3,8 @@
 PKGNAMEPREFIX=	aarch64-
 PLIST=	${.CURDIR}/pkg-plist
 
+BROKEN_aarch64=		configure: error: cannot compute suffix of object files: cannot compile
+
 MASTERDIR=	${.CURDIR}/../powerpc64-gcc
 
 .include "${MASTERDIR}/Makefile"
diff --git a/devel/aarch64-none-elf-gcc/Makefile b/devel/aarch64-none-elf-gcc/Makefile
index b0702a3ca035..f168c4b23233 100644
--- a/devel/aarch64-none-elf-gcc/Makefile
+++ b/devel/aarch64-none-elf-gcc/Makefile
@@ -9,6 +9,10 @@ PLIST=	${.CURDIR}/pkg-plist
 ALL_TARGET=	all-gcc all-target-libgcc
 INSTALL_TARGET=	install-gcc install-target-libgcc
 
+BROKEN_aarch64=		fails to package
+BROKEN_mips=		configure: error: cannot compute suffix of object files: cannot compile
+BROKEN_mips64=		configure: error: cannot compute suffix of object files: cannot compile
+
 MASTERDIR=	${.CURDIR}/../powerpc64-gcc
 
 .include "${MASTERDIR}/Makefile"
diff --git a/devel/amd64-gcc/Makefile b/devel/amd64-gcc/Makefile
index 120d10879ad8..d74e0cc4ed41 100644
--- a/devel/amd64-gcc/Makefile
+++ b/devel/amd64-gcc/Makefile
@@ -8,6 +8,10 @@ GCC_TARGET=	x86_64-unknown-${OPSYS:tl}${OSREL}
 BU_PREFIX=	x86_64-${OPSYS:tl}
 FREEBSD_EXTENSION=	yes
 
+BROKEN_aarch64=		error: invalid output constraint '=a' in asm
+BROKEN_armv6=		fails to package
+BROKEN_mips=		configure: error: cannot compute suffix of object files: cannot compile
+BROKEN_mips64=		configure: error: cannot compute suffix of object files: cannot compile
 BROKEN_powerpc64=	Does not build
 
 .include "${MASTERDIR}/Makefile"
diff --git a/devel/arm-none-eabi-gcc/Makefile b/devel/arm-none-eabi-gcc/Makefile
index 5e67df656f0f..b46640c2a973 100644
--- a/devel/arm-none-eabi-gcc/Makefile
+++ b/devel/arm-none-eabi-gcc/Makefile
@@ -13,6 +13,10 @@ INSTALL_TARGET=	install-gcc install-target-libgcc
 CONFIGURE_ARGS=	--disable-libstdcxx \
 		--disable-multilib
 
+BROKEN_aarch64=		fails to package
+BROKEN_mips=		configure: error: cannot compute suffix of object files: cannot compile
+BROKEN_mips64=		configure: error: cannot compute suffix of object files: cannot compile
+
 MASTERDIR=	${.CURDIR}/../powerpc64-gcc
 
 .include "${MASTERDIR}/Makefile"
diff --git a/devel/arm-none-eabi-gcc492/Makefile b/devel/arm-none-eabi-gcc492/Makefile
index eb504eb9f749..636584e19302 100644
--- a/devel/arm-none-eabi-gcc492/Makefile
+++ b/devel/arm-none-eabi-gcc492/Makefile
@@ -68,4 +68,9 @@ post-install:
 MAKE_ARGS+=	CXXFLAGS=-fbracket-depth=512
 .endif
 
+BROKEN_aarch64=		fails to package
+BROKEN_armv6=		error: no member named 'fancy_abort' in namespace 'std::__1'; did you mean simply 'fancy_abort'?
+BROKEN_mips=		configure: error: cannot compute suffix of object files: cannot compile
+BROKEN_mips64=		configure: error: cannot compute suffix of object files: cannot compile
+
 .include <bsd.port.post.mk>
diff --git a/devel/mips-gcc/Makefile b/devel/mips-gcc/Makefile
index ffe2ad5615ea..d5b1a9f6e156 100644
--- a/devel/mips-gcc/Makefile
+++ b/devel/mips-gcc/Makefile
@@ -3,6 +3,8 @@
 PKGNAMEPREFIX=	mips-
 PLIST=	${.CURDIR}/pkg-plist
 
+BROKEN_aarch64=		fails to package
+
 MASTERDIR=	${.CURDIR}/../powerpc64-gcc
 
 .include "${MASTERDIR}/Makefile"
diff --git a/devel/mips64-gcc/Makefile b/devel/mips64-gcc/Makefile
index 9c1f0f34e01f..d432f0d70749 100644
--- a/devel/mips64-gcc/Makefile
+++ b/devel/mips64-gcc/Makefile
@@ -3,6 +3,9 @@
 PKGNAMEPREFIX=	mips64-
 PLIST=	${.CURDIR}/pkg-plist
 
+BROKEN_aarch64=		fails to package
+BROKEN_mips64=		fails to package
+
 MASTERDIR=	${.CURDIR}/../powerpc64-gcc
 
 .include "${MASTERDIR}/Makefile"
diff --git a/devel/powerpc64-gcc/Makefile b/devel/powerpc64-gcc/Makefile
index 2426771d9000..fc488032ed17 100644
--- a/devel/powerpc64-gcc/Makefile
+++ b/devel/powerpc64-gcc/Makefile
@@ -86,4 +86,8 @@ post-install:
 	@${RM} ${STAGEDIR}${PREFIX}/info/*
 	@${RM} ${STAGEDIR}${PREFIX}/man/man7/*
 
+# This port and all its slave ports fail on aarch64 -- but not all
+# the same way.  Provide this definition for the master.
+BROKEN_aarch64?=	fails to package
+
 .include <bsd.port.post.mk>
diff --git a/devel/riscv64-gcc/Makefile b/devel/riscv64-gcc/Makefile
index 4949b75357cd..bc982e7c9e84 100644
--- a/devel/riscv64-gcc/Makefile
+++ b/devel/riscv64-gcc/Makefile
@@ -63,4 +63,6 @@ post-install:
 	@if [ -d ${STAGEDIR}${PREFIX}/${INFO_PATH} ] ; then ${RM} -r ${STAGEDIR}${PREFIX}/${INFO_PATH}; fi
 	@${RM} ${STAGEDIR}${PREFIX}/man/man7/*
 
+BROKEN_aarch64=		fails to package
+
 .include <bsd.port.mk>
diff --git a/devel/sparc64-gcc/Makefile b/devel/sparc64-gcc/Makefile
index 006ef0bdf629..f1d39f349b69 100644
--- a/devel/sparc64-gcc/Makefile
+++ b/devel/sparc64-gcc/Makefile
@@ -3,6 +3,8 @@
 PKGNAMEPREFIX=	sparc64-
 PLIST=	${.CURDIR}/pkg-plist
 
+BROKEN_aarch64=		fails to package
+
 MASTERDIR=	${.CURDIR}/../powerpc64-gcc
 
 .include "${MASTERDIR}/Makefile"