diff --git a/Mk/Uses/blaslapack.mk b/Mk/Uses/blaslapack.mk
index 0d3007ec5907..ff14194e50b5 100644
--- a/Mk/Uses/blaslapack.mk
+++ b/Mk/Uses/blaslapack.mk
@@ -1,52 +1,64 @@
 # Handle dependencies on Blas / Lapack
 #
 # Feature:	blaslapack
 # Usage:	USES=blaslapack or USES=blaslapack:ARGS
-# Valid ARGS:	atlas netlib (default) openblas
+# Valid ARGS:	atlas blis flexiblas netlib (default) openblas
 #
 # Provides:	BLASLIB and LAPACKLIB
 #
 # Maintainer:	thierry@FreeBSD.org
+#
+# /!\ Avoid mixing libraries using different BLAS-LAPACK implementations!
 
 .if !defined(_INCLUDE_USES_BLASLAPACK_MK)
 _INCLUDE_USES_BLASLAPACK_MK=	yes
 
-_valid_ARGS=	atlas netlib openblas
+_valid_ARGS=	atlas blis flexiblas netlib openblas
 
 _DEFAULT_BLASLAPACK=	netlib
 
 .  if empty(blaslapack_ARGS)
 blaslapack_ARGS=	${_DEFAULT_BLASLAPACK}
 .  endif
 
 LDFLAGS+=	-L${LOCALBASE}/lib
 
 .  if ${blaslapack_ARGS} == atlas
 LIB_DEPENDS+=	libatlas.so:math/atlas
 _BLASLIB=	ptf77blas
 LAPACKLIB=	-lalapack -lptcblas
 _ATLASLIB=	atlas
 ATLASLIB=	-l${_ATLASLIB}
 BLA_VENDOR=	ATLAS
+.  elif ${blaslapack_ARGS} == blis
+LIB_DEPENDS+=	libblis.so:math/blis
+LIB_DEPENDS+=	libflame.so:math/libflame
+_BLASLIB=	blis
+LAPACKLIB=	-lflame
+BLA_VENDOR=	FLAME
+.  elif ${blaslapack_ARGS} == flexiblas
+LIB_DEPENDS+=	libflexiblas.so:math/flexiblas
+_BLASLIB=	flexiblas
+BLA_VENDOR=	FlexiBLAS
 .  elif ${blaslapack_ARGS} == netlib
 LIB_DEPENDS+=	libblas.so:math/blas
 LIB_DEPENDS+=	liblapack.so:math/lapack
 _BLASLIB=	blas
 LAPACKLIB=	-llapack
 BLA_VENDOR=	Generic
 .  elif ${blaslapack_ARGS} == openblas
 LIB_DEPENDS+=	libopenblas.so:math/openblas
 _BLASLIB=	openblas
 LAPACKLIB=	-lopenblas
 BLA_VENDOR=	OpenBLAS
 .  else
 IGNORE=		USES=blaslapack: invalid arguments: ${blaslapack_ARGS}
 .  endif
 
 BLASLIB=	-l${_BLASLIB}
 
 .  if ${USES:Mcmake} || ${USES:Mcmake\:*}
 CONFIGURE_ENV+=	BLA_VENDOR="${BLA_VENDOR}"
 .  endif
 
 .endif