2042cae9a5
Adds an option CPACK_ENABLE_FREEBSD_PKG to allow CPack to look for FreeBSD's libpkg / pkg(8). If this is set and the libpkg headers and library are found (which they will be, by default, on any FreeBSD system), then add a FreeBSD pkg(8) generator. The FreeBSD package tool pkg(8) uses tar.xz files (.txz) with two metadata files embedded (+MANIFEST and +COMPACT_MANIFEST). This introduces a bunch of FreeBSD-specific CPACK_FREEBSD_PACKAGE_* variables for filling in the metadata; the Debian generator does something similar. Documentation for the CPack CMake-script is styled after the Debian generator. Implementation notes: - Checks for libpkg -- the underlying implementation for pkg(8) -- and includes FreeBSD package-generation if building CMake on a UNIX host. Since libpkg can be used on BSDs, Linux and OSX, this potentially adds one more packaging format. In practice, this will only happen on FreeBSD and DragonflyBSD. - Copy-paste from cmCPackArchiveGenerator to special-case the metadata generation and to run around the internal archive generation: use libpkg instead. - Generating the metadata files is a little contrived. - Most of the validation logic for package settings is in CPackFreeBSD.cmake, as well as the code that tries to re-use packaging settings that may already be set up for Debian. - libpkg has its own notion of output filename, so we have another contrived bit of code that munges the output file list so that CPack can find the output. - Stick with C++98.
38 lines
971 B
C++
38 lines
971 B
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmCPackFreeBSDGenerator_h
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#define cmCPackFreeBSDGenerator_h
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#include <cmConfigure.h>
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#include "cmCPackArchiveGenerator.h"
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#include "cmCPackGenerator.h"
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class cmGeneratedFileStream;
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/** \class cmCPackFreeBSDGenerator
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* \brief A generator for FreeBSD package files (TXZ with a manifest)
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*
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*/
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class cmCPackFreeBSDGenerator : public cmCPackArchiveGenerator
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{
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public:
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cmCPackTypeMacro(cmCPackFreeBSDGenerator, cmCPackArchiveGenerator);
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/**
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* Construct generator
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*/
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cmCPackFreeBSDGenerator();
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~cmCPackFreeBSDGenerator() CM_OVERRIDE;
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int InitializeInternal() CM_OVERRIDE;
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int PackageFiles() CM_OVERRIDE;
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protected:
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const char* GetOutputExtension() CM_OVERRIDE { return ".txz"; }
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std::string var_lookup(const char* var_name);
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void write_manifest_fields(cmGeneratedFileStream&);
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};
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#endif
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