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[lldb] [cmake] Fix delayloading liblldb.dll in mingw builds #162831

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Merged
merged 1 commit into from
Oct 10, 2025
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[lldb] [cmake] Fix delayloading liblldb.dll in mingw builds #162831

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14 changes: 13 additions & 1 deletion lldb/cmake/modules/AddLLDB.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -170,7 +170,19 @@ function(add_lldb_executable name)
if(WIN32)
list(FIND ARG_LINK_LIBS liblldb LIBLLDB_INDEX)
if(NOT LIBLLDB_INDEX EQUAL -1)
target_link_options(${name} PRIVATE "/DELAYLOAD:$<TARGET_FILE_BASE_NAME:liblldb>.dll")
if (MSVC)
target_link_options(${name} PRIVATE "/DELAYLOAD:$<TARGET_FILE_NAME:liblldb>")
elseif (MINGW AND LINKER_IS_LLD)
# LLD can delay load just by passing a --delayload flag, as long as the import
# library is a short type import library (which LLD and MS link.exe produce).
# With ld.bfd, with long import libraries (as produced by GNU binutils), one
# has to generate a separate delayload import library with dlltool.
target_link_options(${name} PRIVATE "-Wl,--delayload=$<TARGET_FILE_NAME:liblldb>")
elseif (DEFINED LLDB_PYTHON_DLL_RELATIVE_PATH)
# If liblldb can't be delayloaded, then LLDB_PYTHON_DLL_RELATIVE_PATH will not
# have any effect.
message(WARNING "liblldb is not delay loaded, LLDB_PYTHON_DLL_RELATIVE_PATH has no effect")
endif()
endif()
endif()
if(CLANG_LINK_CLANG_DYLIB)
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