Set up CMake-based build system

CMakeLists.txt

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+# FreeSOLID - Interference Detection Library.
+# Copyright (C) 2025 Xavier Del Campo Romero
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+cmake_minimum_required(VERSION 3.12)
+project(soliditf LANGUAGES C CXX VERSION 2.1.2)
+add_subdirectory(libsolid)
+add_subdirectory(libmoto)
+add_subdirectory(libbroad)
+add_library(${PROJECT_NAME} INTERFACE)
+target_include_directories(${PROJECT_NAME} INTERFACE include)
+install(TARGETS ${PROJECT_NAME})
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/solidConfigVersion.cmake
+    COMPATIBILITY SameMajorVersion
+)

libbroad/CMakeLists.txt

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+# FreeSOLID - Interference Detection Library.
+# Copyright (C) 2025 Xavier Del Campo Romero
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+add_library(broad
+    BP_C-api.cpp
+    BP_Endpoint.cpp
+    BP_Proxy.cpp
+    BP_Scene.cpp
+)
+
+target_link_libraries(broad INTERFACE ${PROJECT_NAME} PRIVATE moto)
+target_include_directories(broad PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+target_compile_options(broad PRIVATE -Wall)
+install(TARGETS broad)

libmoto/CMakeLists.txt

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+# FreeSOLID - Interference Detection Library.
+# Copyright (C) 2025 Xavier Del Campo Romero
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+add_library(moto
+    GEN_random.cpp
+    MT_Matrix3x3.cpp
+    MT_Point2.cpp
+    MT_Point3.cpp
+    MT_Quaternion.cpp
+    MT_Transform.cpp
+    MT_Vector2.cpp
+    MT_Vector3.cpp
+    MT_Vector4.cpp
+)
+
+target_link_libraries(moto INTERFACE ${PROJECT_NAME} PRIVATE)
+target_include_directories(moto PUBLIC ${CMAKE_CURRENT_LIST_DIR})
+target_compile_options(moto PRIVATE -Wall)
+
+install(TARGETS moto)

libsolid/CMakeLists.txt

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+# FreeSOLID - Interference Detection Library.
+# Copyright (C) 2025 Xavier Del Campo Romero
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+add_library(solid
+    BBoxTree.cpp
+    Box.cpp
+    C-api.cpp
+    Complex.cpp
+    Cone.cpp
+    Convex.cpp
+    Cylinder.cpp
+    Ellipsoid.cpp
+    Object.cpp
+    Polygon.cpp
+    Polyhedron.cpp
+    Response.cpp
+    RespTable.cpp
+    Simplex.cpp
+    Sphere.cpp
+    Transform.cpp
+)
+
+target_include_directories(solid PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+target_compile_options(solid PRIVATE -Wall)
+target_link_libraries(solid INTERFACE ${PROJECT_NAME} PRIVATE moto broad)
+install(TARGETS solid)