From: Fabian Castelli <fabian.castelli@kit.edu>
Date: Wed, 30 Jun 2021 10:22:58 +0000 (+0200)
Subject: Require GINKGO 1.4.0
X-Git-Tag: v9.4.0-rc1~1011^2~1
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c4f1d711310d42bab5e9c579826109e4f3453d5;p=dealii.git

Require GINKGO 1.4.0
---

diff --git a/cmake/configure/configure_2_ginkgo.cmake b/cmake/configure/configure_2_ginkgo.cmake
index 7dffba8ca6..9ad7f50279 100644
--- a/cmake/configure/configure_2_ginkgo.cmake
+++ b/cmake/configure/configure_2_ginkgo.cmake
@@ -17,4 +17,31 @@
 # Configuration for the Ginkgo library:
 #
 
+MACRO(FEATURE_GINKGO_FIND_EXTERNAL var)
+  FIND_PACKAGE(GINKGO)
+
+  IF(GINKGO_FOUND)
+    SET(${var} TRUE)
+
+    #
+    # We require at least version 1.4.0
+    # - The interface requires in fact only GINKGO 1.3.0, however, below 1.4.0
+    #   the LD_LIBRARY_PATH has to be set manually by:
+    #   export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$GINKGO_DIR/lib
+    #
+    SET(_version_required 1.4.0)
+    IF(GINKGO_VERSION VERSION_LESS ${_version_required})
+      MESSAGE(STATUS "Insufficient ginkgo installation found: "
+        "At least version ${_version_required} is required."
+        )
+      SET(GINKGO_ADDITIONAL_ERROR_STRING
+        "Insufficient ginkgo installation found!\n"
+        "At least version ${_version_required} is required.\n"
+        )
+      SET(${var} FALSE)
+
+    ENDIF()
+  ENDIF()
+ENDMACRO()
+
 CONFIGURE_FEATURE(GINKGO)
diff --git a/cmake/modules/FindGINKGO.cmake b/cmake/modules/FindGINKGO.cmake
index b3c030e325..eace1bcc63 100644
--- a/cmake/modules/FindGINKGO.cmake
+++ b/cmake/modules/FindGINKGO.cmake
@@ -20,6 +20,7 @@
 #
 #   GINKGO_INCLUDE_DIRS
 #   GINKGO_INTERFACE_LINK_FLAGS
+#   GINGKO_VERSION
 #
 
 SET(GINKGO_DIR "" CACHE PATH "An optional hint to a GINKGO installation")
@@ -63,6 +64,13 @@ FOREACH(_library ginkgo ${GINKGO_INTERFACE_LINK_LIBRARIES})
     )
 ENDFOREACH()
 
+#
+# Get ginkgo version number
+#
+IF(Ginkgo_FOUND)
+  SET(GINKGO_VERSION "${GINKGO_PROJECT_VERSION}")
+ENDIF()
+
 DEAL_II_PACKAGE_HANDLE(GINKGO
   LIBRARIES REQUIRED ${_libraries}
   INCLUDE_DIRS REQUIRED GINKGO_INSTALL_INCLUDE_DIR