generalize --with-php-build option handling

refactor zts related config

further fixes to win build

- fixed pdb generation with vs
- made object-out-dir to use an absolute path, that fixes path issues
with x86/x64 and nmake snap

moved libs and debug/release mode setup into functions

better description for the toolset config option

move more common ldflags into function

rename intel toolset to icc - shorter

either ms or intel linker is used, /libpath is supported

further catch up with phpize and improved clang arch setup

parametrize WINVER and update its value

further refactoring of toolset+phpize stuff

catch up the toolset changes with phpize

also packed common parts into functions so there's less code duplication

fix linking for clang, using linker directly

using the determined linker instead of compiler

this is a clang issue, longer parameter strings would be issue for both
compiler and linker

basic support for Intel Composer

build system to support clang

moved most of the core to use static tsrm ls cache pointer

plus apache2handler, cli and cgi

fix /mp usage for VC++

fix wording

remove the remains of dsp files handling

using pointer to the tsrm ls cache instead of a function call

yet another approach

reworked the patch, less new stuff but worky

TLS is already used in TSRM, the way exporting the tsrm cache through
a thread local variable is not portable. Additionally, the current

reworked the patch, less new stuff but worky

TLS is already used in TSRM, the way exporting the tsrm cache through
a thread local variable is not portable. Additionally, the current
patch suffers from bugs which are hard to find, but prevent it to
be worky with apache. What is done here is mainly uses the idea
from the RFC patch, but

- __thread variable is removed
- offset math and declarations are removed
- extra macros and definitions are removed

What is done merely is

- use an inline function to access the tsrm cache. The function uses
the portable tsrm_tls_get macro which is cheap
- all the TSRM_* macros are set to placebo. Thus this opens the way
remove them later

Except that, the logic is old. TSRMLS_FETCH will have to be done once
per thread, then tsrm_get_ls_cache() can be used. Things seeming to be
worky are cli, cli server and apache. I also tried to enable bz2
shared and it has worked out of the box. The change is yet minimal
diffing to the current master bus is a worky start, IMHO. Though will
have to recheck the other previously done SAPIs - embed and cgi.

The offsets can be added to the tsrm_resource_type struct, then
it'll not be needed to declare them in the userspace. Even the
"done" member type can be changed to int16 or smaller, then adding
the offset as int16 will not change the struct size. As well on the
todo might be removing the hashed storage, thread_id != thread_id and
linked list logic in favour of the explicit TLS operations.

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Remove zend_dynamic_array

This was introduced back in 2000 to test a new hashtable
implementation and is no longer used.

pickup the alignment definition

enable native TLS by default on Windows