office-gobmx

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Stephan Bergmann 7e403195e5 Introduce o3tl::optional as an alias for std::optional ...with a boost::optional fallback for Xcode < 10 (as std::optional is only available starting with Xcode 10 according to <https://en.cppreference.com/w/cpp/compiler_support>, and our baseline for iOS and macOS is still Xcode 9.3 according to README.md). And mechanically rewrite all code to use o3tl::optional instead of boost::optional. One immediate benefit is that disabling -Wmaybe-uninitialized for GCC as per `fed7c3deb3` "Slience bogus -Werror=maybe-uninitialized" should no longer be necessary (and whose check happened to no longer trigger for GCC 10 trunk, even though that compiler would still emit bogus -Wmaybe-uninitialized for uses of boost::optional under --enable-optimized, which made me ponder whether this switch from boost::optional to std::optional would be a useful thing to do; I keep that configure.ac check for now, though, and will only remove it in a follow up commit). Another longer-term benefit is that the code is now already in good shape for an eventual switch to std::optional (a switch we would have done anyway once we no longer need to support Xcode < 10). Only desktop/qa/desktop_lib/test_desktop_lib.cxx heavily uses boost::property_tree::ptree::get_child_optional returning boost::optional, so let it keep using boost::optional for now. After a number of preceding commits have paved the way for this change, this commit is completely mechanical, done with > git ls-files -z \| grep -vz -e '^bin/find-unneeded-includes$' -e '^configure.ac$' -e '^desktop/qa/desktop_lib/test_desktop_lib.cxx$' -e '^dictionaries$' -e '^external/' -e '^helpcontent2$' -e '^include/IwyuFilter_include.yaml$' -e '^sc/IwyuFilter_sc.yaml$' -e '^solenv/gdb/boost/optional.py$' -e '^solenv/vs/LibreOffice.natvis$' -e '^translations$' -e '\.svg$' \| xargs -0 sed -i -E -e 's\|\<boost(/optional)?/optional\.hpp\>\|o3tl/optional.hxx\|g' -e 's/\<boost(\s)::(\s)(make_)?optional\>/o3tl\1::\2\3optional/g' -e 's/\<boost(\s)::(\s)none\>/o3tl\1::\2nullopt/g' (before committing include/o3tl/optional.hxx, and relying on some GNU features). It excludes some files where mention of boost::optional et al should apparently not be changed (and the sub-repo directory stubs). It turned out that all uses of boost::none across the code base were in combination with boost::optional, so had all to be rewritten as o3tl::nullopt. Change-Id: Ibfd9f4b3d5a8aee6e6eed310b988c4e5ffd8b11b Reviewed-on: https://gerrit.libreoffice.org/84128 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>		2019-12-01 14:57:16 +01:00
..
inc	Introduce o3tl::optional as an alias for std::optional	2019-12-01 14:57:16 +01:00
Makefile
Module_pch.mk
README
StaticLibrary_precompiled_system.mk
system_empty.cxx

README

The purpose of this directory is to generate global precompiled headers
that can be used by any other gbuild library/executable.
The libraries themselves are not used.