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mtlcl410andClaude Opus 5.5
24e0d070ef
The pdfcraft-print unit-test executable imported windows.data.pdf.dll and prntvpt.dll at load time (the windows crate binds them with raw-dylib), so on a Windows installation without them it could not start, and the tests of the missing-DLL guard never ran there. crates/print/build.rs now passes /DELAYLOAD for both and delayimp.lib on MSVC, as the applications' build scripts do. Link arguments from a build script reach only this package's own executables, so dependents are unaffected. dumpbin /imports: before, both DLLs under "the following imports"; after, under "the following delay load imports". A copy of each test binary with prntvpt.dll renamed to a DLL that doesn't exist: the old one exits with 0xC0000135 (STATUS_DLL_NOT_FOUND) before main, the new one starts and runs. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Pq7HyCfwzyRXj4VfQAVVdv
24 lines
1.1 KiB
Rust
24 lines
1.1 KiB
Rust
//! Windows (MSVC) only: delay-load the print DLLs in this crate's own test executable, as the
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//! applications do (`apps/pdfcraft{,-cli}/build.rs`), so it starts on a Windows installation that
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//! lacks them (#2630) and its tests of the missing-DLL guard in `src/spool.rs` run there. Link
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//! arguments from a build script reach only this package's own executables (its tests), never
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//! the crates that depend on it; each application sets its own.
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//!
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//! On every other target this does nothing.
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/// The in-box DLLs only printing uses (Windows.Data.Pdf draws the job, prntvpt reads the
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/// driver's print capabilities). Same list in `apps/pdfcraft{,-cli}/build.rs` and
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/// `src/spool.rs`.
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const DELAY_LOADED: [&str; 2] = ["windows.data.pdf.dll", "prntvpt.dll"];
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fn main() {
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println!("cargo:rerun-if-changed=build.rs");
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if std::env::var("CARGO_CFG_TARGET_OS").as_deref() != Ok("windows") || std::env::var("CARGO_CFG_TARGET_ENV").as_deref() != Ok("msvc") {
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return;
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}
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for dll in DELAY_LOADED {
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println!("cargo:rustc-link-arg=/DELAYLOAD:{dll}");
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}
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println!("cargo:rustc-link-arg=delayimp.lib");
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}
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