Apply suggestions from code review

Co-authored-by: DominikKamp <130753997+DominikKamp@users.noreply.github.com>

Author: Joao-Dionisio

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Unreleased
 ### Added
-- Added enableDebugSol, disableDebugSol, and check for WITH_DEBUG_SOLUTION flag
+- Added enableDebugSol() and disableDebugSol() for controlling the debug solution mechanism if DEBUGSOL=true
 - More support for AND-Constraints
 - Added support for knapsack constraints
 - Added isPositive(), isNegative(), isFeasLE(), isFeasLT(), isFeasGE(), isFeasGT(), isHugeValue(), and tests

docs/build.rst

@@ -161,6 +161,7 @@ To use debug information in PySCIPOpt you need to build it with the following co
 .. code-block::
   
   export CFLAGS="-UNDEBUG"
+  export CXXFLAGS="-UNDEBUG"
   python -m pip install .
 
 .. note:: Be aware that you will need the debug library of the SCIP Optimization Suite for this to work

src/pyscipopt/scip.pxi

@@ -7509,15 +7509,15 @@ cdef class Model:
         enabled for the SCIP data structure.
         """
         if not with_debug_solution:
-            raise RuntimeError("SCIP was not built with the WITH_DEBUG_SOLUTION flag. Please rebuild SCIP with this flag enabled.")
+            raise RuntimeError("SCIP must be built with `DEBUGSOL=true` to enable the debug solution mechanism.")
         SCIPenableDebugSol(self._scip)
 
     def disableDebugSol(self):
         """
         Disables the debug solution mechanism.
         """
         if not with_debug_solution:
-            raise RuntimeError("SCIP was not built with the WITH_DEBUG_SOLUTION flag. Please rebuild SCIP with this flag enabled.")
+            raise RuntimeError("SCIP must be built with `DEBUGSOL=true` to disable the debug solution mechanism.")
         SCIPdisableDebugSol(self._scip)
 
     def getConss(self, transformed=True):