On 08/13/2015 04:46 PM, Christopher Schultz wrote:
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Andy,
On 8/13/15 5:34 PM, Andy Wang wrote:
I was hoping to find out how the official isapi_redirect.dlls are
built. Specifically the x64 version. Reason I ask is that 1) the
documentation still documents using MS VC 6.0 which I think can't
build 64-bit 2) the official binaries seem to link against
msvcrt.dll and not msvcr[version].dll
I've been using VisualStudio 2010 to build it, and have been
needing to install the vcredist installer to get msvcr100.dll.
Trying to figure out how the official binaries are built such that
this dependency isn't required?
Doing some googling it looks like it can be done with a combination
of the Windows SDK and DDK. Is this how this was done?
I'm no expert.
In the past, I tried to figure-out my own process for building
win32/win64-based builds of various Tomcat-related things. For me, it
was tcnative.
What I *do* know is that building against msvcrt.dll is a trick that
is required in order to get a universal build that will work under any
environment. I believe you are required to use the Driver Development
Kit for that.
If you are building for your own environment, you can simply build
against msvcrtXXX.dll and be perfectly happy, since your environment
by definition has that library.
Take a look at markt's instructions for building tcnative on win32;
they may be helpful in getting the mod_jk build working for you:
http://wiki.apache.org/tomcat/BuildTcNativeWin
It does, and it's the process I thought about using, but I've also read
that you shouldn't rely on the DDK for building as the msvcrt.dll gets
updated regularly with windows releases and you could potentially end up
with dll incompatibilities as the ABIs change.
That said, perhaps the connector's use of msvcrt.dll is less susceptible
to this, since I imagine it's simply using pretty standard C calls.
I actually do redistribute my bulids for others to use, which is why I'm
trying to decide if I should concern myself with the extra prerequisite
of install the vcredist (or bundling the dll files myself). The key is,
I'm not familiar with how IIS loads dlls, so I'm not sure if including
msvcr100.dll in the same directory as isapi_redirect.dll will work or if
I'd have to put it in the path somewhere.
Andy
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