diff --git a/bazel/scip.BUILD b/bazel/scip.BUILD
index afe2f723c8..240391d2a7 100644
--- a/bazel/scip.BUILD
+++ b/bazel/scip.BUILD
@@ -2,6 +2,48 @@ exports_files(
     ["src/lpi/lpi_glop.cpp"],
 )
 
+config_setting(
+    name = "on_linux",
+    constraint_values = [
+        "@platforms//os:linux",
+    ],
+)
+
+config_setting(
+    name = "on_macos",
+    constraint_values = [
+        "@platforms//os:macos",
+    ],
+)
+
+config_setting(
+    name = "on_windows",
+    constraint_values = [
+        "@platforms//os:windows",
+    ],
+)
+
+PLATFORM_FLAGS = select({
+    "on_linux": ["-Wunknown-pragmas", "-fexceptions", "-DSYM=bliss"],
+    "on_macos": ["-Wunknown-pragmas", "-fexceptions", "-DSYM=bliss"],
+    "on_windows": ["-DSYM=none", "/DSCIP_NO_SIGACTION"], 
+    "//conditions:default": [],
+})
+
+PLATFORM_DEPS = select({
+    "on_linux": [        "@bliss//:libbliss",],
+    "on_macos": [        "@bliss//:libbliss",],
+    "on_windows": ["@zlib//:zlib"],
+    "//conditions:default": [],
+})
+
+BLISS_FILE = select({
+    "on_linux": ["src/symmetry/compute_symmetry_bliss.cpp"],
+    "on_macos": ["src/symmetry/compute_symmetry_bliss.cpp"],
+    "on_windows": ["src/symmetry/compute_symmetry_none.cpp"],
+    "//conditions:default": ["src/symmetry/compute_symmetry_none.cpp"],
+})
+
 cc_library(
     name = "libscip",
     srcs = glob(
@@ -18,9 +60,7 @@ cc_library(
             "src/symmetry/compute_symmetry_*.cpp",
             "src/tpi/tpi_*.c",
         ],
-    ) + [
-        #"src/symmetry/compute_symmetry_none.cpp",
-        "src/symmetry/compute_symmetry_bliss.cpp",
+    ) + BLISS_FILE + [
         "src/nlpi/exprinterpret_none.c",
         "src/tpi/tpi_tnycthrd.c",
     ],
@@ -37,22 +77,18 @@ cc_library(
             #"src/scip/prop_symmetry.h",
         ]),
         copts = [
-        "-Wunknown-pragmas",
-        "-fexceptions",
         "$(STACK_FRAME_UNLIMITED)",  # src/scip/reader_cnf.c
         "-DSCIP_WITH_ZLIB",
         "-DWITH_SCIPDEF",
         "-DSCIP_ROUNDING_FE",
         "-DTPI_TNYC",  # src/tpi/type_tpi_tnycthrd.h
-        #"-DSYM=none",
-        "-DSYM=bliss",
         # Compile in thead-safe mode (required since we use TPI_TNYC). Note,
         # one does not technically need to add this, as SCIP code always
         # uses syntax like "#ifndef NPARASCIP". But let's be explicit here.
         "-DPARASCIP",
         "-Isrc",
         "-Isrc/scip",
-    ],
+    ] + PLATFORM_FLAGS,
     defines = [
         # Scip 7.0.1 optionally depends on scip/config.h and
         # scip/scip_export.h that are generated by build system.
@@ -69,6 +105,5 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [
         #"@cppad:cppad_includes",
-        "@bliss//:libbliss",
-    ],
+    ] + PLATFORM_DEPS,
 )
diff --git a/bazel/scip.patch b/bazel/scip.patch
index f34a466d5f..e1e59a7ba3 100644
--- a/bazel/scip.patch
+++ b/bazel/scip.patch
@@ -27,3 +27,221 @@ index db734cb18..2fda08fd4 100644
 
  #include <vector>
  #include <list>
+
+diff --git a/src/nlpi/nlpi_xyz.c b/src/nlpi/nlpi_xyz.c
+index c66511862a..3058216088 100644
+--- src/nlpi/nlpi_xyz.c
++++ src/nlpi/nlpi_xyz.c
+@@ -43,12 +43,14 @@
+
+ struct SCIP_NlpiData
+ {
++       void* ptr;
+ };
+
+ /* TODO: fill in the necessary NLP problem instance data */
+
+ struct SCIP_NlpiProblem
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/benders_xyz.c b/src/scip/benders_xyz.c
+index b3a2b710f0..e3e8397ff5 100644
+--- src/scip/benders_xyz.c
++++ src/scip/benders_xyz.c
+@@ -47,6 +47,7 @@
+ /** Benders' decomposition data */
+ struct SCIP_BendersData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/benderscut_xyz.c b/src/scip/benderscut_xyz.c
+index 394685e225..0c08fe8b84 100644
+--- src/scip/benderscut_xyz.c
++++ src/scip/benderscut_xyz.c
+@@ -41,6 +41,7 @@
+ /** Benders' decomposition cut data */
+ struct SCIP_BenderscutData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/branch_xyz.c b/src/scip/branch_xyz.c
+index a5e7f0f9a2..4970df6cce 100644
+--- src/scip/branch_xyz.c
++++ src/scip/branch_xyz.c
+@@ -42,6 +42,7 @@
+ /** branching rule data */
+ struct SCIP_BranchruleData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/cons_xyz.c b/src/scip/cons_xyz.c
+index af256c5485..7fe813a22d 100644
+--- src/scip/cons_xyz.c
++++ src/scip/cons_xyz.c
+@@ -69,11 +69,13 @@
+ /** constraint data for xyz constraints */
+ struct SCIP_ConsData
+ {
++       void* ptr;
+ };
+
+ /** constraint handler data */
+ struct SCIP_ConshdlrData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/dialog_xyz.c b/src/scip/dialog_xyz.c
+index f00d44d9ea..3aee42b2dd 100644
+--- src/scip/dialog_xyz.c
++++ src/scip/dialog_xyz.c
+@@ -42,6 +42,7 @@
+ /** dialog data */
+ struct SCIP_DialogData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/disp_xyz.c b/src/scip/disp_xyz.c
+index 073f192aa6..fa0e7e970c 100644
+--- src/scip/disp_xyz.c
++++ src/scip/disp_xyz.c
+@@ -47,6 +47,7 @@
+ /** display column data */
+ struct SCIP_DispData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/event_xyz.c b/src/scip/event_xyz.c
+index 04cade95d8..58ad82f06b 100644
+--- src/scip/event_xyz.c
++++ src/scip/event_xyz.c
+@@ -36,6 +36,7 @@
+ /** event handler data */
+ struct SCIP_EventhdlrData
+ {
++       void* ptr;
+ };
+
+ /*
+ diff --git a/src/scip/heur_xyz.c b/src/scip/heur_xyz.c
+index 8bc7c4f953..c45035611f 100644
+--- src/scip/heur_xyz.c
++++ src/scip/heur_xyz.c
+@@ -46,6 +46,7 @@
+ /** primal heuristic data */
+ struct SCIP_HeurData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/nodesel_xyz.c b/src/scip/nodesel_xyz.c
+index a5139e5f9a..4009fe7793 100644
+--- src/scip/nodesel_xyz.c
++++ src/scip/nodesel_xyz.c
+@@ -41,6 +41,7 @@
+ /** node selector data */
+ struct SCIP_NodeselData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/pricer_xyz.c b/src/scip/pricer_xyz.c
+index c3bbbff655..5bc6ca4795 100644
+--- src/scip/pricer_xyz.c
++++ src/scip/pricer_xyz.c
+@@ -43,6 +43,7 @@
+ /** variable pricer data */
+ struct SCIP_PricerData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/presol_xyz.c b/src/scip/presol_xyz.c
+index 84ce50bb08..49d6e8f368 100644
+--- src/scip/presol_xyz.c
++++ src/scip/presol_xyz.c
+@@ -42,6 +42,7 @@
+ /** presolver data */
+ struct SCIP_PresolData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/prop_xyz.c b/src/scip/prop_xyz.c
+index d07b374fc3..5313a5643f 100644
+--- src/scip/prop_xyz.c
++++ src/scip/prop_xyz.c
+@@ -50,6 +50,7 @@
+ /** propagator data */
+ struct SCIP_PropData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/reader_xyz.c b/src/scip/reader_xyz.c
+index 45720677ed..8cf3799639 100644
+--- src/scip/reader_xyz.c
++++ src/scip/reader_xyz.c
+@@ -40,6 +40,7 @@
+ /** data for xyz reader */
+ struct SCIP_ReaderData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/relax_xyz.c b/src/scip/relax_xyz.c
+index 30b0999de4..afdbe5b076 100644
+--- src/scip/relax_xyz.c
++++ src/scip/relax_xyz.c
+@@ -43,6 +43,7 @@
+ /** relaxator data */
+ struct SCIP_RelaxData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/sepa_xyz.c b/src/scip/sepa_xyz.c
+index 930ee78b3d..b25fed4dd7 100644
+--- src/scip/sepa_xyz.c
++++ src/scip/sepa_xyz.c
+@@ -44,6 +44,7 @@
+ /** separator data */
+ struct SCIP_SepaData
+ {
++       void* ptr;
+ };
+
+
+diff --git a/src/scip/table_xyz.c b/src/scip/table_xyz.c
+index 5d479de8a4..61e1307d0d 100644
+--- src/scip/table_xyz.c
++++ src/scip/table_xyz.c
+@@ -43,6 +43,7 @@
+ /** statistics table data */
+ struct SCIP_TableData
+ {
++       void* ptr;
+ };
+
+
diff --git a/ortools/constraint_solver/BUILD b/ortools/constraint_solver/BUILD
index 2e4498dcaf..ad160c3923 100644
--- a/ortools/constraint_solver/BUILD
+++ b/ortools/constraint_solver/BUILD
@@ -26,10 +26,10 @@ cc_proto_library(
     deps = [":search_stats_proto"],
 )
 
-java_proto_library(
-    name = "search_stats_java_proto",
-    deps = [":search_stats_proto"],
-)
+# java_proto_library(
+#     name = "search_stats_java_proto",
+#     deps = [":search_stats_proto"],
+# )
 
 proto_library(
     name = "search_limit_proto",
@@ -41,10 +41,10 @@ cc_proto_library(
     deps = [":search_limit_proto"],
 )
 
-java_proto_library(
-    name = "search_limit_java_proto",
-    deps = [":search_limit_proto"],
-)
+# java_proto_library(
+#     name = "search_limit_java_proto",
+#     deps = [":search_limit_proto"],
+# )
 
 proto_library(
     name = "demon_profiler_proto",
@@ -66,10 +66,10 @@ cc_proto_library(
     deps = ["solver_parameters_proto"],
 )
 
-java_proto_library(
-    name = "solver_parameters_java_proto",
-    deps = [":solver_parameters_proto"],
-)
+# java_proto_library(
+#     name = "solver_parameters_java_proto",
+#     deps = [":solver_parameters_proto"],
+# )
 
 #py_proto_library(
 #    name = "assignment_py_pb2",
@@ -194,10 +194,10 @@ cc_proto_library(
     deps = [":routing_enums_proto"],
 )
 
-java_proto_library(
-    name = "routing_enums_java_proto",
-    deps = [":routing_enums_proto"],
-)
+# java_proto_library(
+#     name = "routing_enums_java_proto",
+#     deps = [":routing_enums_proto"],
+# )
 
 proto_library(
     name = "routing_parameters_proto",
@@ -216,10 +216,10 @@ cc_proto_library(
     deps = [":routing_parameters_proto"],
 )
 
-java_proto_library(
-    name = "routing_parameters_java_proto",
-    deps = [":routing_parameters_proto"],
-)
+# java_proto_library(
+#     name = "routing_parameters_java_proto",
+#     deps = [":routing_parameters_proto"],
+# )
 
 #py_proto_library(
 #    name = "routing_parameters_py_pb2",