Revert "build/libgnuregex: Remove."

This reverts commit ca087b05323d3c05f7fe807df017ce4133604b67.

Mac OS X requires libgnuregex for Keymap

build/libgnuregex: Remove.

It was needed on macOS for a time when BUrl used regexes for parsing.
Now it does not, and so we can remove libshared's RegExp from build
libshared, and thus also libgnuregex.

build: Use libroot_build on Haiku.

Previously we just used the system libroot, which of course meant
that when libroot's ABI changed, the build broke. Now we use the full
libroot_build that we do on non-Haiku platforms. The logic for "BeOS-compatible
but not Haiku" does not really apply anymore, so it has been gutted where
appropriate (and libhaikucompat has been decoupled from the build.)

The only caveat here is the change to Errors.h -- we really should be using
the system's one where I included the one from the tree, but for whatever
reason, GCC2 refused to handle the #include_next properly.

Fixes the build breakage of Haiku-on-Haiku by my prior commits (sorry).

makebootable: Fix various build problems.

- Add jamfile for a build variant of libuuid.
- Adjust the build version of makebootable to link to that instead, as it would
otherwise link in the target platform's version of libuuid_kernel, which
wasn't necessarily compatible with the build platform's objects (i.e. when
building a 32-bit Haiku image on a 64-bit host OS), and would consequently
fail.

Import gnuregex 0.12 and remove hardcoded paths

This is required on OS X and other systems which do not have the glibc
extensions for regular expressions (FreeBSD is not one of them as it
already includes gnuregex in /usr). With this there are no hardcoded
non-standard paths for OS X anymore.

regex.c and regex.h are from the official gnuregex 0.12 distribution,
the only modification is that I added __BEGIN_DECLS and __END_DECLS to
regex.h.

Switch build system from optional package to repositories

* Build libsolv and the dependency solver part of the package kit for
the build platform.
* Add build tool get_package_dependencies. Given a list of package files
and a list of repository files it determines the additional packages
that need to be retrieved from the repositories and prints their URLs.
* Add rules to work with external repositories in the build system
(build/jam/RepositoryRules):
- PackageRepository declares an external repository with all its
packages. The URL of the repository file isn't specified. It is
computed from a given base URL and the SHA256 hash of the list of
package files.
- GeneratedRepositoryPackageList generates a file containing the file
names of all packages in a repository.
- IsPackageAvailable returns whether a package is available in any
repository.
- PackageURL returns the URL for a package.
* Declare the HaikuPorts repository for x86_gcc2
(build/jam/repositories/HaikuPorts/x86_gcc2).
* Add rule AddHaikuImagePackages to add a package to the image and rule
IsHaikuImagePackageAdded to determine whether a package has been
added.
* OptionalPackages: Remove all entries that just downloaded and
installed an external package. AddHaikuImagePackages can be used
instead and is used in the remaining entries. Also move the remaining
optional package dependency declarations from
OptionalPackageDependencies here.
* ExtractBuildFeatureArchives: Instead of the URL parameter a package
name must be specified now. This allows to simplify BuildFeatures
significantly, since there's no dealing with URLs anymore. "if" out
the entries that aren't supported yet.
* build_haiku_image: For the packages installed in system and common
resolve their dependencies and download and install them as well.

Add private MIME DB classes to libbe_build

* This pulls in some more stuff, like libicon and agg which are also
included in libbe_build, now.
* Update a few libbe_build classes and headers needed to get things
building.
* This likely breaks the <build>mimeset build on Haiku.

Build libpackage for the build platform

Build libpackage for the build platform

Update ICU to 4.4
* Remove 4.2 sourcecode
* ICU is now an optional package (mandatory)
* Adjust the namespaces and libraries names where needed


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37498 a95241bf-73f2-0310-859d-f6bbb57e9c96

* Added libshared_build.a, currently only contains Keymap.cpp.
* keymap and <build>keymap are now using the BKeymap class as a base as well.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36368 a95241bf-73f2-0310-859d-f6bbb57e9c96

* reintegrated gsoc-locale-kit branch into trunk - there's more
work to do, but it's about time to give this code more exposure.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33176 a95241bf-73f2-0310-859d-f6bbb57e9c96

* Reintroduced third LinkAgainst parameter <mapLibs>, defaulting to true.
Library names are now mapped for all targets but "host" (not only for
"haiku") -- added one more level of indirection to achieve that.
(TARGET_LIBRARY_NAME_MAP -> *_LIBRARY_NAME_MAP_*).
* Renamed build/HaikuBuildCompatibility.h to BeOSBuildCompatibility.h
(auto-included when compiling something that uses the Be API for platform
"host" on anon-BeOS platform), and introduced build/HaikuBuildCompatibility.h,
which can be included when compiling something that can be built for both,
Haiku and BeOS compatible platforms.
* Introduced libhaikucompat.a, a library that adds a few functions existing
under Haiku, but not under BeOS.
* New rule AddSubDirSupportedPlatforms.
* Renamed libopenbeos.so to libbe_haiku.so.
* Introduced new target platform "libbe_test", which is basically equivalent
to a BeOS compatible host platform target, with the exception, that instead
of the host platform's libbe.so a special build of Haiku's libbe.so
(libbe_haiku.so (formerly known as libopenbeos.so)) is used. Furthermore
Haiku's public app, interface, storage, and support kit headers are used
when compiling. This replaces the less nice way in which the test app server
and applications for this test environment were built.
When building for platform "libbe_test", the library name "be" is
autotranslated to "libbe_haiku.so". Thus most applications don't need
special fiddling when them building them for the app server test environment;
usually an "AddSubDirSupportedPlatforms libbe_test ;" will suffice.
* Reduced the dependencies of <syscalls.h> and fixed problems caused by this
(e.g. source files not including the needed headers directly).



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14749 a95241bf-73f2-0310-859d-f6bbb57e9c96

Merged changes from branch build_system_redesign at revision 14573.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14574 a95241bf-73f2-0310-859d-f6bbb57e9c96

Import gnuregex 0.12 and remove hardcoded paths

This is required on OS X and other systems which do not have the glibc
extensions for regular expressions (FreeBSD is not one of them as it
already includes gnuregex in /usr). With this there are no hardcoded
non-standard paths for OS X anymore.

regex.c and regex.h are from the official gnuregex 0.12 distribution,
the only modification is that I added __BEGIN_DECLS and __END_DECLS to
regex.h.

Switch build system from optional package to repositories

* Build libsolv and the dependency solver part of the package kit for
the build platform.
* Add build tool get_package_dependencies. Given a list of package files
and a list of repository files it determines the additional packages
that need to be retrieved from the repositories and prints their URLs.
* Add rules to work with external repositories in the build system
(build/jam/RepositoryRules):
- PackageRepository declares an external repository with all its
packages. The URL of the repository file isn't specified. It is
computed from a given base URL and the SHA256 hash of the list of
package files.
- GeneratedRepositoryPackageList generates a file containing the file
names of all packages in a repository.
- IsPackageAvailable returns whether a package is available in any
repository.
- PackageURL returns the URL for a package.
* Declare the HaikuPorts repository for x86_gcc2
(build/jam/repositories/HaikuPorts/x86_gcc2).
* Add rule AddHaikuImagePackages to add a package to the image and rule
IsHaikuImagePackageAdded to determine whether a package has been
added.
* OptionalPackages: Remove all entries that just downloaded and
installed an external package. AddHaikuImagePackages can be used
instead and is used in the remaining entries. Also move the remaining
optional package dependency declarations from
OptionalPackageDependencies here.
* ExtractBuildFeatureArchives: Instead of the URL parameter a package
name must be specified now. This allows to simplify BuildFeatures
significantly, since there's no dealing with URLs anymore. "if" out
the entries that aren't supported yet.
* build_haiku_image: For the packages installed in system and common
resolve their dependencies and download and install them as well.

Add private MIME DB classes to libbe_build

* This pulls in some more stuff, like libicon and agg which are also
included in libbe_build, now.
* Update a few libbe_build classes and headers needed to get things
building.
* This likely breaks the <build>mimeset build on Haiku.

Build libpackage for the build platform

Build libpackage for the build platform

Update ICU to 4.4
* Remove 4.2 sourcecode
* ICU is now an optional package (mandatory)
* Adjust the namespaces and libraries names where needed


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37498 a95241bf-73f2-0310-859d-f6bbb57e9c96

* Added libshared_build.a, currently only contains Keymap.cpp.
* keymap and <build>keymap are now using the BKeymap class as a base as well.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36368 a95241bf-73f2-0310-859d-f6bbb57e9c96

* reintegrated gsoc-locale-kit branch into trunk - there's more
work to do, but it's about time to give this code more exposure.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33176 a95241bf-73f2-0310-859d-f6bbb57e9c96

* Reintroduced third LinkAgainst parameter <mapLibs>, defaulting to true.
Library names are now mapped for all targets but "host" (not only for
"haiku") -- added one more level of indirection to achieve that.
(TARGET_LIBRARY_NAME_MAP -> *_LIBRARY_NAME_MAP_*).
* Renamed build/HaikuBuildCompatibility.h to BeOSBuildCompatibility.h
(auto-included when compiling something that uses the Be API for platform
"host" on anon-BeOS platform), and introduced build/HaikuBuildCompatibility.h,
which can be included when compiling something that can be built for both,
Haiku and BeOS compatible platforms.
* Introduced libhaikucompat.a, a library that adds a few functions existing
under Haiku, but not under BeOS.
* New rule AddSubDirSupportedPlatforms.
* Renamed libopenbeos.so to libbe_haiku.so.
* Introduced new target platform "libbe_test", which is basically equivalent
to a BeOS compatible host platform target, with the exception, that instead
of the host platform's libbe.so a special build of Haiku's libbe.so
(libbe_haiku.so (formerly known as libopenbeos.so)) is used. Furthermore
Haiku's public app, interface, storage, and support kit headers are used
when compiling. This replaces the less nice way in which the test app server
and applications for this test environment were built.
When building for platform "libbe_test", the library name "be" is
autotranslated to "libbe_haiku.so". Thus most applications don't need
special fiddling when them building them for the app server test environment;
usually an "AddSubDirSupportedPlatforms libbe_test ;" will suffice.
* Reduced the dependencies of <syscalls.h> and fixed problems caused by this
(e.g. source files not including the needed headers directly).



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14749 a95241bf-73f2-0310-859d-f6bbb57e9c96

Merged changes from branch build_system_redesign at revision 14573.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14574 a95241bf-73f2-0310-859d-f6bbb57e9c96