tidy up

libs/clipper/clipper/.gitignore

-# This file is used to ignore files which are generated
-# ----------------------------------------------------------------------------
-
-*~
-*.autosave
-*.a
-*.core
-*.moc
-*.o
-*.obj
-*.orig
-*.rej
-*.so
-*.so.*
-*_pch.h.cpp
-*_resource.rc
-*.qm
-.#*
-*.*#
-core
-!core/
-tags
-.DS_Store
-.directory
-*.debug
-Makefile*
-*.prl
-*.app
-moc_*.cpp
-ui_*.h
-qrc_*.cpp
-Thumbs.db
-*.res
-*.rc
-/.qmake.cache
-/.qmake.stash
-
-# qtcreator generated files
-*.pro.user*
-
-# xemacs temporary files
-*.flc
-
-# Vim temporary files
-.*.swp
-
-# Visual Studio generated files
-*.ib_pdb_index
-*.idb
-*.ilk
-*.pdb
-*.sln
-*.suo
-*.vcproj
-*vcproj.*.*.user
-*.ncb
-*.sdf
-*.opensdf
-*.vcxproj
-*vcxproj.*
-
-# MinGW generated files
-*.Debug
-*.Release
-
-# Python byte code
-*.pyc
-
-# Binaries
-# --------
-*.dll
-*.exe
-

libs/clipper/clipper/clipper.pro

-CONFIG -= qt
-
-TEMPLATE = lib
-DEFINES += CLIPPER_LIBRARY
-
-CONFIG += c++11
-
-# The following define makes your compiler emit warnings if you use
-# any Qt feature that has been marked deprecated (the exact warnings
-# depend on your compiler). Please consult the documentation of the
-# deprecated API in order to know how to port your code away from it.
-DEFINES += QT_DEPRECATED_WARNINGS
-
-# You can also make your code fail to compile if it uses deprecated APIs.
-# In order to do so, uncomment the following line.
-# You can also select to disable deprecated APIs only up to a certain version of Qt.
-#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
-
-SOURCES += \
-    clipper.cpp
-
-HEADERS += \
-    clipper.hpp \
-    clipper_global.h
-
-# Default rules for deployment.
-unix {
-    target.path = /usr/lib
-}
-!isEmpty(target.path): INSTALLS += target

libs/clipper/clipper/clipper_global.h

-#ifndef CLIPPER_GLOBAL_H
-#define CLIPPER_GLOBAL_H
-
-#if defined(_MSC_VER) || defined(WIN64) || defined(_WIN64) || defined(__WIN64__) || defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__)
-#  define Q_DECL_EXPORT __declspec(dllexport)
-#  define Q_DECL_IMPORT __declspec(dllimport)
-#else
-#  define Q_DECL_EXPORT     __attribute__((visibility("default")))
-#  define Q_DECL_IMPORT     __attribute__((visibility("default")))
-#endif
-
-#if defined(CLIPPER_LIBRARY)
-#  define CLIPPER_EXPORT Q_DECL_EXPORT
-#else
-#  define CLIPPER_EXPORT Q_DECL_IMPORT
-#endif
-
-#endif // CLIPPER_GLOBAL_H