From: Markus Blatt <markus@dr-blatt.de>
Date: Fri, 18 Mar 2022 21:03:05 +0000 (+0100)
Subject: Also search for libscotchmetisv5 and libscotchmetisv3.
X-Git-Tag: archive/raspbian/2.8.0-4+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=f3a6202cec9ea2b8912787565ccab6cfbf6f792f;p=dune-common.git

Also search for libscotchmetisv5 and libscotchmetisv3.

On Debian these might be present instead of libscotchmetis,

Gbp-Pq: Name findmetis_scotch7.patch
---

diff --git a/cmake/modules/FindMETIS.cmake b/cmake/modules/FindMETIS.cmake
index 338b09e..068b121 100644
--- a/cmake/modules/FindMETIS.cmake
+++ b/cmake/modules/FindMETIS.cmake
@@ -87,12 +87,19 @@ if(METIS_HEADER_FILE)
     set(IS_SCOTCH_METIS_HEADER FALSE)
   else()
     set(IS_SCOTCH_METIS_HEADER TRUE)
+    string(REGEX REPLACE ".*#define SCOTCH_METIS_VERSION[ ]+([0-9]+).*" "\\1"
+      SCOTCH_METIS_VERSION "${metisheader}")
   endif()
 endif()
 unset(METIS_HEADER_FILE CACHE)
 
 # search for the METIS library or for the scotch-metis wrapper library
 if(IS_SCOTCH_METIS_HEADER)
+  # Debian bookworm has no scotchmetis library only scotchmetisv3
+  # and scotchmetisv5.
+  if(SCOTCH_METIS_VERSION)
+    find_library(METIS_LIBRARY scotchmetisv${SCOTCH_METIS_VERSION})
+  endif()
   find_library(METIS_LIBRARY scotchmetis)
 else()
   find_library(METIS_LIBRARY metis)