Fix incorrect gbuild usage that can cause intermittent parallel build failures.

There was some misuse of gbuild that was causing make rules to be added
that had solver/*/*/workdir/Extern

Fix incorrect gbuild usage that can cause intermittent parallel build failures.

There was some misuse of gbuild that was causing make rules to be added
that had solver/*/*/workdir/ExternalHeaders/Library and
solver/*/*/workdir/ExternalHeaders/Library listed as dependencies.
If these directories did not exist, then a pattern match rule intended
to create files under the
solver/*/*/workdir/ExternalHeaders/{Library,StaticLibrary} directories
would be triggered. The recipe for that rule would then
mkdir -p solver/*/*/workdir/ExternalHeaders
and then
touch solver/*/*/workdir/ExternalHeaders/{Library,StaticLibrary}
creating it as a plain file. A subsequent make rule would
unconditionally
mkdir -p solver/*/*/workdir/ExternalHeaders/{Library,StaticLibrary}
and fail.

Fix the incorrect gbuild usage and add some sanity checks to gbuild
to catch the problem closer to the source and more deterministically.

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Implement the ability to build "UDK versioned" libraries in gbuild
for *nix platforms. Do this by setting the ELF SONAME to the
libxyz.so.3 style library output name, changing the output file

Implement the ability to build "UDK versioned" libraries in gbuild
for *nix platforms. Do this by setting the ELF SONAME to the
libxyz.so.3 style library output name, changing the output file
that the linker writes to to be in this format (from libxyz.so),
making a symlink from libxyz.so to libxyz.so.3, adding libxyz.so.3
as a delivery AUXTARGET for the deliverable libxyz.so, and
changing the deliver commands to copy symlinks properly. This is
all what dmake does too.

Use this to port main/registry to gbuild.

Patch by: me



git-svn-id: https://svn.apache.org/repos/asf/openoffice/trunk@1827456 13f79535-47bb-0310-9956-ffa450edef68

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