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Roddy Pratt
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 Posted: Fri Jun 25, 2004 11:52 am Post subject: #pragma link bloat... |
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I'm familiar with the problem of dangling "#pragma links" causing .exe
bloat after component deletion, so
I was doing a cleanup of this.
As a test, I commented our ALL the pragma links - even those for components
which I'm using. To my surprise, I got no link errors.... Can anyone
explain this?
I build without runtime packages, so I just have a single EXE to distribute.
And the EXE works just fine.
Also, why don't you get #pragma link lines generated for standard VCL
components? I read a ng comment that implied they're inserted "when using
components written in Delphi". Last time I looked, the VCL was still Delphi
<g>
Thanks,
Roddy
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Craig Farrell
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| Posted: Sat Jun 26, 2004 2:27 am Post subject: Re: #pragma link bloat... |
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Hi,
| Quote: | I'm familiar with the problem of dangling "#pragma links" causing .exe
bloat after component deletion, so
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I thouhgt that pragma link worked by placing a lib comment record in
the OBJ, that when encountered by the linker, was treated essentially
the same as if the lib comment string (either an OBJ or LIB) was sitting
at the end of the linker command line. In other words, it could still
be optimized out by the linker if you did not really use it. I could
certainly be wrong about that, especially if you are seeing that they
are not being optimized out or ignored by the linker.
| Quote: |
As a test, I commented our ALL the pragma links - even those for components
which I'm using. To my surprise, I got no link errors.... Can anyone
explain this?
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The pragma links pre-dated the linker package switch that generates
a static library for the package. At one time, package generation
produced only .bpl (like a .dll), .bpi (like an import), and obj's.
A later BCB (5 or 6) introduced the -Gl (static package) switch.
This static package .lib is probably on your link line. So pragma
link might be a redundancy but I wonder if it was kept for some special
case reasons such as those circumstances where a component requires
a second componet?(just speculation)
--Craig
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