revert commit 18213. SCIP no more useful

CMakeLists.txt

@@ -78,7 +78,6 @@ opt(POPPLER "Enable Poppler for displaying PDF documents (experimental)" OFF)
 opt(QT "Enable dummy QT graphical interface proof-of-concept (experimental)" OFF)
 opt(RTREE "Enable RTREE (used for quad/hex mesh generation)" ${DEFAULT})
 opt(SALOME "Enable Salome routines for CAD healing" ${DEFAULT})
-opt(SCIP "Enable SCIP optimization suite" OFF)
 opt(SGEOM "Enable SGEOM interface to OCC (experimental)" OFF)
 opt(SLEPC "Enable SLEPc eigensolvers (required for conformal compounds)" ${DEFAULT})
 opt(SOLVER "Enable built-in finite element solvers (required for compounds)" ${DEFAULT})
@@ -1067,18 +1066,6 @@ if(ENABLE_ACIS)
   endif(ACIS_LIB)
 endif(ENABLE_ACIS)
 
-if(ENABLE_SCIP)
-  find_library(SCIP_LIB scipopt PATH_SUFFIXES lib)
-  if(SCIP_LIB)
-    find_path(SCIP_INC "scip-3.1.0/src/scip/scip.h")
-    if(SCIP_INC)
-      set_config_option(HAVE_SCIP "SCIP")
-      list(APPEND EXTERNAL_LIBRARIES ${SCIP_LIB})
-      list(APPEND EXTERNAL_INCLUDES "${SCIP_INC}/scip-3.1.0/src;${SCIP_INC}/soplex-2.0.0/src")
-    endif(SCIP_INC)
-  endif(SCIP_LIB)
-endif(ENABLE_SCIP)
-
 if(HAVE_ZLIB AND ENABLE_COMPRESSED_IO)
   set_config_option(HAVE_COMPRESSED_IO "CompressedIO")
 endif(HAVE_ZLIB AND ENABLE_COMPRESSED_IO)

Common/GmshConfig.h.in

@@ -59,7 +59,6 @@
 #cmakedefine HAVE_QT
 #cmakedefine HAVE_RTREE
 #cmakedefine HAVE_SALOME
-#cmakedefine HAVE_SCIP
 #cmakedefine HAVE_SGEOM
 #cmakedefine HAVE_SLEPC
 #cmakedefine HAVE_SOLVER

Numeric/MetricBasis.cpp

@@ -3,7 +3,6 @@
 // See the LICENSE.txt file for license information. Please report all
 // bugs and problems to the public mailing list <gmsh@geuz.org>.
 
-#include "GmshConfig.h"
 #include "MetricBasis.h"
 #include "BasisFactory.h"
 #include "pointsGenerators.h"