From: young <young@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 31 Jul 2013 09:18:29 +0000 (+0000)
Subject: Checking PETSc-SLEPc compatibility is VERSION_SUBMINOR independent and way to restric... 
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8775b7a82e2ba3206863fc6fbea0c6bd49dc0ee0;p=dealii-svn.git

Checking PETSc-SLEPc compatibility is VERSION_SUBMINOR independent and way to restrictive if not respected. Check MAJOR and MINOR only then go ahead with config.

git-svn-id: https://svn.dealii.org/trunk@30191 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/cmake/configure/configure_slepc.cmake b/deal.II/cmake/configure/configure_slepc.cmake
index 269f85daa1..c0d1b212b0 100644
--- a/deal.II/cmake/configure/configure_slepc.cmake
+++ b/deal.II/cmake/configure/configure_slepc.cmake
@@ -25,9 +25,14 @@ MACRO(FEATURE_SLEPC_FIND_EXTERNAL var)
 
   IF(SLEPC_FOUND)
     #
-    # Check whether SLEPc and PETSc are compatible.
+    # Check whether SLEPc and PETSc are compatible according to
+    # SLEPc's rules: This is equivalent to asking if the VERSION_MAJOR
+    # and VERSION_MINOR of PETSc and SLEPc are
+    # equivalent; and where VERSION_SUBMINORs are allowed to differ.
     #
-    IF("${SLEPC_VERSION}" STREQUAL "${PETSC_VERSION}")
+    IF( ("${SLEPC_VERSION_MAJOR}" STREQUAL "${PETSC_VERSION_MAJOR}")
+       AND
+       ("${SLEPC_VERSION_MINOR}" STREQUAL "${PETSC_VERSION_MINOR}"))
       SET(${var} TRUE)
     ELSE()