From 2cc6555605e1152621718887cb02e81e82e4d15e Mon Sep 17 00:00:00 2001
From: Dirk Eddelbuettel <edd@debian.org>
Date: Mon, 22 Aug 2022 16:33:28 -0500
Subject: [PATCH] Support riskv64 system with an added link instruction

---
 NEWS.md      | 5 +++++
 configure    | 8 ++++++++
 configure.ac | 6 ++++++
 3 files changed, 19 insertions(+)

diff --git a/NEWS.md b/NEWS.md
index 044068bccc..c51d44c4b8 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -10,8 +10,13 @@
 
 * Treatment of character columns with missing values has been corrected (#454)
 
+* Accessing encrypted arrays has been reverted to the older API accessors (#458)
+
 ## Build and Test Systems
 
+* Sparse matrix conversion used mainly in tests have been updated for version 1.4-2 of the Matrix packages (#457)
+
+* Support builds on the riskv64 platform by adding a missing link instruction (#459)
 
 
 # tiledb 0.15.0
diff --git a/configure b/configure
index b327dd4ff1..bd65545e98 100755
--- a/configure
+++ b/configure
@@ -6033,6 +6033,14 @@ printf %s "checking for Darwin x86_64 use minimum version override... " >&6; }
 printf "%s\n" "${CXX17_MACOS}" >&6; }
 fi
 
+## Take care of riscv64 machines and need for -latomic
+if test x"${machine}" = x"riscv64"; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for riscv64 linker adjustment" >&5
+printf %s "checking for riscv64 linker adjustment... " >&6; }
+    TILEDB_LIBS="${TILEDB_LIBS} -latomic"
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${TILEDB_LIBS}" >&5
+printf "%s\n" "${TILEDB_LIBS}" >&6; }
+fi
 
 ## -- Part 3: Check for TileDB --------------------------------------------------
 ##
diff --git a/configure.ac b/configure.ac
index c0db298497..f0aeacfe02 100644
--- a/configure.ac
+++ b/configure.ac
@@ -153,6 +153,12 @@ if test x"${uname}" = x"Darwin" -a x"${machine}" = x"x86_64"; then
     AC_MSG_RESULT([${CXX17_MACOS}])
 fi
 
+## Take care of riscv64 machines and need for -latomic
+if test x"${machine}" = x"riscv64"; then
+    AC_MSG_CHECKING([for riscv64 linker adjustment])
+    TILEDB_LIBS="${TILEDB_LIBS} -latomic"
+    AC_MSG_RESULT([${TILEDB_LIBS}])
+fi
 
 ## -- Part 3: Check for TileDB --------------------------------------------------
 ##