On 3/23/2020 3:53 PM, Johannes Schlüter wrote:
For Windows pecl produces builds where we can, while users have to
install by hand.
Yeah, I've noticed this and thought about building a tool to help
automate installation.
However, it would be much easier to use PECL extensions on Windows if
PHP on Windows actually had a simple way to add all the DLLs in a PECL
extension to *just* the 'ext' directory and not have to copy multiple
DLLs all over the place.
For example, imagick has a ton of imported DLLs that are referenced by
the main extension DLL, which fails to load for a lot of people. Then
they have to go searching Google to figure out how to fix it for each
separate SAPI.
I'm thinking the problem is something that can be remedied with
SetDllDirectory():
https://docs.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-setdlldirectorya
Or AddDllDirectory():
https://docs.microsoft.com/en-us/windows/win32/api/libloaderapi/nf-libloaderapi-adddlldirectory
Depending on if WinXP support is still a thing and/or having multiple
directories is even possible. Calling LoadLibraryEx() looks like it
would be a pain to implement given that the only references in the
entire code to "LoadLibrary" is pushed all the way back into m4/configure?
As PHP parses the 'extension_dir' INI option, it could call the relevant
function above to allow for loading additional DLLs from the same
directory when loading extensions. Doing that would fix so many Windows
loader related issues that people have with getting the precompiled PECL
extensions to work on Windows (especially with mixed SAPI environments).
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