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Allow building deprecated modules without deprecation warnings #2650

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merged 1 commit into from
Jan 11, 2024

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@CyberShadow CyberShadow commented May 30, 2023

The compiler issues a deprecation warning only on a "non-deprecated" -> "deprecated" transition. As such, building or testing Dub packages which have deprecated modules when a dub_test_root.d file needs to be generated will cause deprecation warnings.

This in turn makes it impossible to use buildRequirements "disallowDeprecations" in this situation.

Fix this by simply making the auto-generated root module (dub_test_root) deprecated. As it is the compiler's entry point, the module itself will not cause a deprecation warning, and it importing deprecating modules will not cause deprecation warnings (as there is no longer a transition of deprecation state).

@CyberShadow CyberShadow force-pushed the pull-20230530-194539 branch from 90f2a0c to 0e8fcfd Compare May 30, 2023 19:50
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github-actions bot commented May 30, 2023

✅ PR OK, no changes in deprecations or warnings

Total deprecations: 0

Total warnings: 0

Build statistics:

 statistics (-before, +after)
 executable size=5318488 bin/dub
-rough build time=62s
+rough build time=63s
Full build output
DUB version 1.35.1, built on Jan  6 2024
LDC - the LLVM D compiler (1.36.0):
  based on DMD v2.106.1 and LLVM 17.0.6
  built with LDC - the LLVM D compiler (1.36.0)
  Default target: x86_64-unknown-linux-gnu
  Host CPU: znver3
  http://dlang.org - http://wiki.dlang.org/LDC


  Registered Targets:
    aarch64     - AArch64 (little endian)
    aarch64_32  - AArch64 (little endian ILP32)
    aarch64_be  - AArch64 (big endian)
    amdgcn      - AMD GCN GPUs
    arm         - ARM
    arm64       - ARM64 (little endian)
    arm64_32    - ARM64 (little endian ILP32)
    armeb       - ARM (big endian)
    avr         - Atmel AVR Microcontroller
    bpf         - BPF (host endian)
    bpfeb       - BPF (big endian)
    bpfel       - BPF (little endian)
    hexagon     - Hexagon
    lanai       - Lanai
    loongarch32 - 32-bit LoongArch
    loongarch64 - 64-bit LoongArch
    mips        - MIPS (32-bit big endian)
    mips64      - MIPS (64-bit big endian)
    mips64el    - MIPS (64-bit little endian)
    mipsel      - MIPS (32-bit little endian)
    msp430      - MSP430 [experimental]
    nvptx       - NVIDIA PTX 32-bit
    nvptx64     - NVIDIA PTX 64-bit
    ppc32       - PowerPC 32
    ppc32le     - PowerPC 32 LE
    ppc64       - PowerPC 64
    ppc64le     - PowerPC 64 LE
    r600        - AMD GPUs HD2XXX-HD6XXX
    riscv32     - 32-bit RISC-V
    riscv64     - 64-bit RISC-V
    sparc       - Sparc
    sparcel     - Sparc LE
    sparcv9     - Sparc V9
    spirv32     - SPIR-V 32-bit
    spirv64     - SPIR-V 64-bit
    systemz     - SystemZ
    thumb       - Thumb
    thumbeb     - Thumb (big endian)
    ve          - VE
    wasm32      - WebAssembly 32-bit
    wasm64      - WebAssembly 64-bit
    x86         - 32-bit X86: Pentium-Pro and above
    x86-64      - 64-bit X86: EM64T and AMD64
    xcore       - XCore
   Upgrading project in /home/runner/work/dub/dub/
    Starting Performing "release" build using /opt/hostedtoolcache/dc/ldc2-1.36.0/x64/ldc2-1.36.0-linux-x86_64/bin/ldc2 for x86_64.
    Building dub 1.36.0-beta.1+commit.35.g86be003e: building configuration [application]
     Linking dub
STAT:statistics (-before, +after)
STAT:executable size=5318488 bin/dub
STAT:rough build time=63s

@CyberShadow CyberShadow force-pushed the pull-20230530-194539 branch from 0e8fcfd to 63a2add Compare May 30, 2023 20:02
@CyberShadow CyberShadow marked this pull request as ready for review May 30, 2023 20:17
@@ -1911,7 +1911,7 @@ final class SelectedVersions {

/// The template code from which the test runner is generated
private immutable TestRunnerTemplate = q{
module dub_test_root;
deprecated module dub_test_root;
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Maybe add an explanation here so a person looking at it is not puzzled as to why we do this.

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Done

The compiler issues a deprecation warning only on a
"non-deprecated" -> "deprecated" transition.  As such, building or
testing Dub packages which have deprecated modules when a
dub_test_root.d file needs to be generated will cause deprecation
warnings.

This in turn makes it impossible to use `buildRequirements
"disallowDeprecations"` in this situation.

Fix this by simply making the auto-generated root
module (dub_test_root) deprecated. As it is the compiler's entry
point, the module itself will not cause a deprecation warning, and it
importing deprecating modules will not cause deprecation warnings (as
there is no longer a transition of deprecation state).
@Geod24 Geod24 merged commit 5ee7d6b into dlang:master Jan 11, 2024
29 of 30 checks passed
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2 participants