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a4be761f24
* rename libboost/boost_1_65_0 -> contrib/boost ; make submodule ; update boost to 1.66.0 * Update contrib/boost * Update contrib/boost * Add comments * Fix
68 lines
2.7 KiB
Plaintext
68 lines
2.7 KiB
Plaintext
Motivation
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==========
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For reproducible build, we need to control, what exactly version of boost we build,
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because different versions of boost obviously have slightly different behaviour.
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You may already have installed arbitary version of boost on your system, to build another projects.
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We need to have all libraries with C++ interface to be located in tree and to be build together.
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This is needed to allow quickly changing build options, that could introduce changes in ABI of that libraries.
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Otherwise it will be very hard to rebuild all libraries.
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If you have several C++ libraries, that depend on boost, that was compiled separately with different versions of boost,
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and then you try to link your program with that libraries, you either will get link error,
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or even worse, you will have crashes or wrong behaviour at runtime.
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Summary: boost and every library that depend on boost must be located in tree.
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How to add more libraries
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=========================
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This is subset of boost. Feel free to copy more libraries, that you need.
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Before doing that, first update boost to latest version.
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How to update
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=============
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Feel free to update boost to latest version at any time.
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Temporarily remove system boost library:
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sudo mv /usr/include/boost /usr/include/boost_; sudo mv /usr/local/include/boost /usr/local/include/boost_
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Download new boost and copy to this directory.
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Then clean all unneeded files:
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rm -rf boost_*/doc
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rm -rf boost_*/tools
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find . -name '*.html' | xargs rm
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find . -name '*.htm' | xargs rm
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find . -name '*.jam' | xargs rm
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find . -name '*.xml' | xargs rm
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find . -type d -and -name 'doc' | xargs rm -rf
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find . -type d -and -name 'example' | xargs rm -rf
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find . -type d -and -name 'meta' | xargs rm -rf
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find . -name 'sublibs' | xargs rm
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find . -type d -and -name 'more' | xargs rm -rf
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find . -type d -and -name 'status' | xargs rm -rf
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rm boost_*/INSTALL boost_*/Jamroot boost_*/boost.css boost_*/boost.png boost_*/bootstrap.* boost_*/rst.css
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find . -name '*.css' | xargs rm
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In project root, find out all used libraries:
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find . -name '*.h' -or -name '*.cpp' -or -name '*.hpp' | grep -v contrib | xargs grep -h -o -P '<boost/\w+' | sed 's/<boost\///' | sort | uniq
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Then manually remove all other libraries, by deleting directories.
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Then add all internal dependencies by recursively running this command in contrib/libboost:
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make 2>&1 | grep 'No such file' | tee err; grep -o -P ' boost/\w+\.h(pp)?' err | tr -d ' ' | xargs -I{} cp boost_*_/{} boost_*/{}; grep -o -P ' boost/\w+/' err | tr -d ' ' | xargs -I{} cp -r boost_*_/{} boost_*/{}
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Then build project and add all missing files.
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Move system boost library back:
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sudo mv /usr/include/boost_ /usr/include/boost; sudo mv /usr/local/include/boost_ /usr/local/include/boost
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