Outsource OpenEXR.

* Style fixes in EXRTranslator.

Jamfile: Guard against building with non-Haiku Jams.

Add ZstdCompressionAlgorithm.

* kernel lib is decompress only (like zlib).
* expand compression_test for zstd.

bc: use the outsourced build.

* remove in-tree bc.

Include mesa_swrast on x86_gcc2, mesa_swpipe otherwise.

Includes libpng16 instead of libpng.

Switch to tiff4 as system dependency.

Switch to ncurses 6 as system dependency.

* remove traces from libpng (as opposed to libpng16).

diffutils: use the outsourced packages.

* remove diffutils Jamfile from the build and diffutils sources from the tree.

Add a feature for expat.

* Icon-O-Matic and Cortex are dependent on the feature.
* remove expat lib from the build and from the tree.
* expat package is added to regular builds.

gzip: use the outsourced packages.

* remove gzip Jamfile from the build and gzip sources from the tree.

tcpdump: use the outsourced packages.

* remove tcpdump and libpcap from the build and from the tree.

Added netcat packages for x86 and x86_64, use them.

* removed netcat Jamfile from the build and from the tree.
* clean image and package definitions.
* added netcat in regular builds.

Add packages for zip and use them.

* remove zip Jamfile from the build and from the tree
* clean up image and package definitions.
* added zip in regular builds.

Add packages for unzip and use them.

* remove unzip Jamfile from the build, <build>unzip stays with us.
* clean up image and package definitions.
* added unzip in regular builds.

Add coreutils packages for x86_gcc2, x86 and x86_64.

* this is a mandatory package.
* removed related commands from the minimum image definition.
* removed related commands from the Haiku package PR

Add coreutils packages for x86_gcc2, x86 and x86_64.

* this is a mandatory package.
* removed related commands from the minimum image definition.
* removed related commands from the Haiku package PROVIDES.
* the su command is deprecated in 8.22. Use the 8.4 in-tree version.
* the packages contain and provide the df command, to be removed.

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Build against libpng16 instead of libpng.

* Also migrate freetype at the same time, otherwise freetype_devel
wouldn't install anymore.

moves /bin/sh to bash packages.

* bash is a mandatory package.

Use bash_bootstrap for the bootstrap build.

* don't build the in-tree bash.
* bash doesn't need to be a mandatory package, it's now a dependency of
the haiku package.

bash: use outsourced package for non-bootstrap builds.

* the bootstrap build keeps on building the in-tree bash.

ICNSTranslator: use outsourced package libicns

* clean up Copyrights section.
* libicns becomes a default package

JPEG2000Translator: use outsourced Jasper package

* fixes for API changes with newer version of Jasper.

Add libwebp as a mandatory package.

Merge branch 'gcc_syslibs'

* From now on, the gcc-specific system libraries (libgcc, libsupc++ and
libstdc++) are provided by separate packages built along with gcc:
- gcc_syslibs contains the s

Merge branch 'gcc_syslibs'

* From now on, the gcc-specific system libraries (libgcc, libsupc++ and
libstdc++) are provided by separate packages built along with gcc:
- gcc_syslibs contains the shared libraries (libgcc_s.so, libsupc++.so and
libstdc++.so)
- gcc_syslibs_devel contains the static libraries and both c++ and gcc
headers
The shared libraries now make proper use of symbol versioning and there
are version-specific symlinks
* The buildsystem has been adjusted to no longer use the libraries and
headers from the cross-compiler, but use the ones provided by the
above-mentioned packages. The only exception is that the 32-bit libraries
required for the bootloader of the x86_64 architecture are still taken
from the cross-compiler.

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Use libstdc++, libsupc++ and libgcc from gcc_syslibs.

* Instead of faking libstdc++.so from libstdc++.a, use libstdc++.so
from the gcc_syslibs build feature for everything except x86_gcc2.
* Use l

Use libstdc++, libsupc++ and libgcc from gcc_syslibs.

* Instead of faking libstdc++.so from libstdc++.a, use libstdc++.so
from the gcc_syslibs build feature for everything except x86_gcc2.
* Use libgcc_s.so from the gcc_syslibs build feature for everything but
x86_gcc2 (which still carries libgcc as part of libroot.so).
* Drop filtering of libgcc objects for libroot, as that is no longer
necessary since we're only using libgcc-as-single-object for libroot
with x86_gcc2, where the filtered object file doesn't exist. Should
the objects that used to be filtered cause any problems as part of
libgcc_s.so, we can always filter them as part of the gcc build.
* Use libsupc++.so from the gcc_syslibs build feature for everything but
x86_gcc2.
* Adjust all Jamfiles accordingly.
* Deactivate building of faked libstdc++.so for non-x86-gcc2. For
x86_gcc2, we still build libstdc++.so from the sources in the Haiku
source tree as part of the Haiku build .
* Put gcc_syslibs package onto the image, when needed.

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