WIP cmake: Add math_opt

CMakeLists.txt

@@ -115,12 +115,19 @@ endif()
 
 include(CMakeDependentOption)
 
+# Optional tools (enabled by default)
+## Flatzinc
 CMAKE_DEPENDENT_OPTION(BUILD_FLATZINC "Build flatzinc" ON "BUILD_CXX" OFF)
 message(STATUS "Build Flatzinc: ${BUILD_FLATZINC}")
 
+## LP Parser
 CMAKE_DEPENDENT_OPTION(BUILD_LP_PARSER "Build lp_parser" ON "BUILD_CXX" OFF)
 message(STATUS "Build LP Parser: ${BUILD_LP_PARSER}")
 
+## MathOpt
+CMAKE_DEPENDENT_OPTION(BUILD_MATH_OPT "Build the MATH_OPT" ON "BUILD_CXX" OFF)
+message(STATUS "Build MathOpt: ${BUILD_MATH_OPT}")
+
 CMAKE_DEPENDENT_OPTION(BUILD_GLOP "Build GLOP standalone" ON "NOT BUILD_CXX" OFF)
 message(STATUS "Build standalone Glop: ${BUILD_GLOP}")
 
@@ -251,6 +258,7 @@ if(USE_PDLP)
 endif()
 
 ## SCIP
+# see: https://github.com/scipopt/scip
 CMAKE_DEPENDENT_OPTION(USE_SCIP "Use the Scip solver" ON "BUILD_CXX" OFF)
 message(STATUS "SCIP support: ${USE_SCIP}")
 if(USE_SCIP)

cmake/cpp.cmake

@@ -32,9 +32,16 @@ list(APPEND OR_TOOLS_COMPILE_DEFINITIONS
   "USE_BOP" # enable BOP support
   "USE_GLOP" # enable GLOP support
   )
+# Optional Components
 if(BUILD_LP_PARSER)
   list(APPEND OR_TOOLS_COMPILE_DEFINITIONS "USE_LP_PARSER")
 endif()
+if(BUILD_MATH_OPT)
+  list(APPEND OR_TOOLS_COMPILE_DEFINITIONS "USE_MATH_OPT")
+  set(MATH_OPT_DIR math_opt)
+endif()
+
+# Optional solvers
 if(USE_COINOR)
   list(APPEND OR_TOOLS_COMPILE_DEFINITIONS
     "USE_CBC" # enable COIN-OR CBC support
@@ -188,6 +195,13 @@ file(GLOB_RECURSE proto_files RELATIVE ${PROJECT_SOURCE_DIR}
   "ortools/scheduling/*.proto"
   "ortools/util/*.proto"
   )
+if(BUILD_MATH_OPT)
+  file(GLOB_RECURSE math_opt_proto_files RELATIVE ${PROJECT_SOURCE_DIR}
+    "ortools/math_opt/*.proto"
+    "ortools/math_opt/solvers/*.proto"
+  )
+  list(APPEND proto_files ${math_opt_proto_files})
+endif()
 if(USE_PDLP)
   file(GLOB_RECURSE pdlp_proto_files RELATIVE ${PROJECT_SOURCE_DIR} "ortools/pdlp/*.proto")
   list(APPEND proto_files ${pdlp_proto_files})
@@ -261,6 +275,7 @@ foreach(SUBPROJECT IN ITEMS
  bop
  constraint_solver
  ${GLPK_DIR}
+ ${MATH_OPT_DIR}
  ${PDLP_DIR}
  ${GSCIP_DIR}
  glop

ortools/math_opt/CMakeLists.txt

@@ -0,0 +1,38 @@
+# Copyright 2010-2022 Google LLC
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+if(NOT BUILD_MATH_OPT)
+  return()
+endif()
+
+file(GLOB_RECURSE _SRCS "*.h" "*.cc")
+list(FILTER _SRCS EXCLUDE REGEX "/samples/")
+
+set(NAME ${PROJECT_NAME}_math_opt)
+
+# Will be merge in libortools.so
+#add_library(${NAME} STATIC ${_SRCS})
+add_library(${NAME} OBJECT ${_SRCS})
+set_target_properties(${NAME} PROPERTIES
+  POSITION_INDEPENDENT_CODE ON
+  )
+target_include_directories(${NAME} PUBLIC
+  $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
+  $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>)
+target_link_libraries(${NAME} PRIVATE
+  #absl::memory
+  #absl::strings
+  #absl::str_format
+  #protobuf::libprotobuf
+  ${PROJECT_NAME}::proto)
+#add_library(${PROJECT_NAME}::math_opt ALIAS ${NAME})