[fix Win32 CI via explicit -m32 for clang-cl used for druntime integr…

…ation tests]
Inochi2D · Sep 13, 2024 · 140cb6d · 140cb6d
1 parent 29a1eb5
commit 140cb6d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -84,8 +84,10 @@ jobs:
             os: windows-2022
             arch: x86
             bootstrap_cmake_flags: -DBUILD_LTO_LIBS=ON
+            # `RT_CFLAGS=-m32` needed to make 64-bit clang-cl output 32-bit code for druntime integration tests
             extra_cmake_flags: >-
               -DBUILD_LTO_LIBS=ON
+              -DRT_CFLAGS=-m32
             # Undefined symbol errors with FullLTO; ThinLTO used to work, but apparently miscompiles a lexer.d:138 assertion since v1.33.
             #  "-DD_COMPILER_FLAGS=-O -flto=thin -defaultlib=phobos2-ldc-lto,druntime-ldc-lto"
             #  -DEXTRA_CXXFLAGS=-flto=thin