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#[===[.md:
# vcpkg_copy_pdbs
Automatically locate pdbs in the build tree and copy them adjacent to all DLLs.
```cmake
vcpkg_copy_pdbs(
[BUILD_PATHS <glob>...])
```
The `<glob>`s are patterns which will be passed to `file(GLOB_RECURSE)`,
for locating DLLs. It defaults to using:
- `${CURRENT_PACKAGES_DIR}/bin/*.dll`
- `${CURRENT_PACKAGES_DIR}/debug/bin/*.dll`
since that is generally where DLLs are located.
## Notes
This command should always be called by portfiles after they have finished rearranging the binary output.
## Examples
* [zlib](https://github.com/Microsoft/vcpkg/blob/master/ports/zlib/portfile.cmake)
* [cpprestsdk](https://github.com/Microsoft/vcpkg/blob/master/ports/cpprestsdk/portfile.cmake)
#]===]
function(vcpkg_copy_pdbs)
cmake_parse_arguments(PARSE_ARGV 0 "arg" "" "" "BUILD_PATHS")
if(DEFINED arg_UNPARSED_ARGUMENTS)
message(WARNING "${CMAKE_CURRENT_FUNCTION} was passed extra arguments: ${arg_UNPARSED_ARGUMENTS}")
endif()
if(NOT DEFINED arg_BUILD_PATHS)
set(arg_BUILD_PATHS
"${CURRENT_PACKAGES_DIR}/bin/*.dll"
"${CURRENT_PACKAGES_DIR}/debug/bin/*.dll"
)
endif()
set(dlls_without_matching_pdbs "")
if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic" AND VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
file(GLOB_RECURSE dlls ${arg_BUILD_PATHS})
set(vslang_backup "$ENV{VSLANG}")
set(ENV{VSLANG} 1033)
foreach(dll IN LISTS dlls)
execute_process(COMMAND dumpbin /PDBPATH "${dll}"
COMMAND findstr PDB
OUTPUT_VARIABLE pdb_line
ERROR_QUIET
RESULT_VARIABLE error_code
)
if(error_code EQUAL "0" AND pdb_line MATCHES "PDB file found at.*'(.*)'")
set(pdb_path "${CMAKE_MATCH_1}")
cmake_path(GET dll PARENT_PATH dll_dir)
file(COPY "${pdb_path}" DESTINATION "${dll_dir}")
else()
list(APPEND dlls_without_matching_pdbs "${dll}")
endif()
endforeach()
set(ENV{VSLANG} "${vslang_backup}")
if(NOT dlls_without_matching_pdbs STREQUAL "")
list(JOIN dlls_without_matching_pdbs "\n " message)
message(WARNING "Could not find a matching pdb file for:
${message}\n")
endif()
endif()
endfunction()
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