diff --git a/gnu/local.mk b/gnu/local.mk
index 1780ece26d..3d9d334ac6 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1215,6 +1215,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/rust-coresimd-doctest.patch		\
   %D%/packages/patches/rust-reproducible-builds.patch		 \
   %D%/packages/patches/rxvt-unicode-escape-sequences.patch	\
+  %D%/packages/patches/scalapack-blacs-mpi-deprecations.patch	\
   %D%/packages/patches/scheme48-tests.patch			\
   %D%/packages/patches/scotch-build-parallelism.patch		\
   %D%/packages/patches/scotch-integer-declarations.patch	\
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm
index 7d3ac773b3..9fc87860c8 100644
--- a/gnu/packages/maths.scm
+++ b/gnu/packages/maths.scm
@@ -584,7 +584,8 @@ problems in numerical linear algebra.")
                            version ".tgz"))
        (sha256
         (base32
-         "0p1r61ss1fq0bs8ynnx7xq4wwsdvs32ljvwjnx6yxr8gd6pawx0c"))))
+         "0p1r61ss1fq0bs8ynnx7xq4wwsdvs32ljvwjnx6yxr8gd6pawx0c"))
+       (patches (search-patches "scalapack-blacs-mpi-deprecations.patch"))))
     (build-system cmake-build-system)
     (inputs
      `(("mpi" ,openmpi)
diff --git a/gnu/packages/patches/scalapack-blacs-mpi-deprecations.patch b/gnu/packages/patches/scalapack-blacs-mpi-deprecations.patch
new file mode 100644
index 0000000000..6ec1b8f21f
--- /dev/null
+++ b/gnu/packages/patches/scalapack-blacs-mpi-deprecations.patch
@@ -0,0 +1,170 @@
+From f11c3f094ed5ca727ec819983425b6641db8227c Mon Sep 17 00:00:00 2001
+From: Eric Bavier <bavier@member.fsf.org>
+Date: Wed, 13 Feb 2019 09:32:11 -0600
+Subject: [PATCH] BLACS: Remove use of long-deprecated MPI1 functions.
+
+* BLACS/SRC/blacs_get_.c: 'MPI_Attr_get' -> 'MPI_Comm_get_attr'.
+* BLACS/SRC/cgamn2d_.c, BLACS/SRC/cgamx2d_.c, BLACS/SRC/dgamn2d_.c,
+BLACS/SRC/dgamx2d_.c, BLACS/SRC/igamn2d_.c, BLACS/SRC/igamx2d_.c,
+BLACS/SRC/sgamn2d_.c, BLACS/SRC/sgamx2d_.c, BLACS/SRC/zgamn2d_.c,
+BLACS/SRC/zgamx2d_.c: 'MPI_Type_struct' -> 'MPI_Type_create_struct'.
+---
+ BLACS/SRC/blacs_get_.c | 2 +-
+ BLACS/SRC/cgamn2d_.c   | 2 +-
+ BLACS/SRC/cgamx2d_.c   | 2 +-
+ BLACS/SRC/dgamn2d_.c   | 2 +-
+ BLACS/SRC/dgamx2d_.c   | 2 +-
+ BLACS/SRC/igamn2d_.c   | 2 +-
+ BLACS/SRC/igamx2d_.c   | 2 +-
+ BLACS/SRC/sgamn2d_.c   | 2 +-
+ BLACS/SRC/sgamx2d_.c   | 2 +-
+ BLACS/SRC/zgamn2d_.c   | 2 +-
+ BLACS/SRC/zgamx2d_.c   | 2 +-
+ 11 files changed, 11 insertions(+), 11 deletions(-)
+
+diff --git a/BLACS/SRC/blacs_get_.c b/BLACS/SRC/blacs_get_.c
+index e979767..d4b04cf 100644
+--- a/BLACS/SRC/blacs_get_.c
++++ b/BLACS/SRC/blacs_get_.c
+@@ -23,7 +23,7 @@ F_VOID_FUNC blacs_get_(int *ConTxt, int *what, int *val)
+    case SGET_MSGIDS:
+       if (BI_COMM_WORLD == NULL) Cblacs_pinfo(val, &val[1]);
+       iptr = &val[1];
+-      ierr=MPI_Attr_get(MPI_COMM_WORLD, MPI_TAG_UB, (BVOID **) &iptr,val);
++      ierr=MPI_Comm_get_attr(MPI_COMM_WORLD, MPI_TAG_UB, (BVOID **) &iptr,val);
+       val[0] = 0;
+       val[1] = *iptr;
+       break;
+diff --git a/BLACS/SRC/cgamn2d_.c b/BLACS/SRC/cgamn2d_.c
+index 2db6ccb..6958f32 100644
+--- a/BLACS/SRC/cgamn2d_.c
++++ b/BLACS/SRC/cgamn2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC cgamn2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/cgamx2d_.c b/BLACS/SRC/cgamx2d_.c
+index 707c0b6..f802d01 100644
+--- a/BLACS/SRC/cgamx2d_.c
++++ b/BLACS/SRC/cgamx2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC cgamx2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/dgamn2d_.c b/BLACS/SRC/dgamn2d_.c
+index dff23b4..a2627ac 100644
+--- a/BLACS/SRC/dgamn2d_.c
++++ b/BLACS/SRC/dgamn2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC dgamn2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/dgamx2d_.c b/BLACS/SRC/dgamx2d_.c
+index a51f731..2a644d0 100644
+--- a/BLACS/SRC/dgamx2d_.c
++++ b/BLACS/SRC/dgamx2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC dgamx2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/igamn2d_.c b/BLACS/SRC/igamn2d_.c
+index 16bc003..f6a7859 100644
+--- a/BLACS/SRC/igamn2d_.c
++++ b/BLACS/SRC/igamn2d_.c
+@@ -218,7 +218,7 @@ F_VOID_FUNC igamn2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/igamx2d_.c b/BLACS/SRC/igamx2d_.c
+index 8165cbe..a7cfcc6 100644
+--- a/BLACS/SRC/igamx2d_.c
++++ b/BLACS/SRC/igamx2d_.c
+@@ -218,7 +218,7 @@ F_VOID_FUNC igamx2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/sgamn2d_.c b/BLACS/SRC/sgamn2d_.c
+index d6c95e5..569c797 100644
+--- a/BLACS/SRC/sgamn2d_.c
++++ b/BLACS/SRC/sgamn2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC sgamn2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/sgamx2d_.c b/BLACS/SRC/sgamx2d_.c
+index 4b0af6f..8897ece 100644
+--- a/BLACS/SRC/sgamx2d_.c
++++ b/BLACS/SRC/sgamx2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC sgamx2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/zgamn2d_.c b/BLACS/SRC/zgamn2d_.c
+index 9de2b23..37897df 100644
+--- a/BLACS/SRC/zgamn2d_.c
++++ b/BLACS/SRC/zgamn2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC zgamn2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+diff --git a/BLACS/SRC/zgamx2d_.c b/BLACS/SRC/zgamx2d_.c
+index 414c381..0e9d474 100644
+--- a/BLACS/SRC/zgamx2d_.c
++++ b/BLACS/SRC/zgamx2d_.c
+@@ -221,7 +221,7 @@ F_VOID_FUNC zgamx2d_(int *ConTxt, F_CHAR scope, F_CHAR top, int *m, int *n,
+       {
+ #endif
+       i = 2;
+-      ierr=MPI_Type_struct(i, len, disp, dtypes, &MyType);
++      ierr=MPI_Type_create_struct(i, len, disp, dtypes, &MyType);
+       ierr=MPI_Type_commit(&MyType);
+       bp->N = bp2->N = 1;
+       bp->dtype = bp2->dtype = MyType;
+-- 
+2.20.1
+