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Another attempt at ITK zlib #42

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Merged
mattcieslak merged 1 commit into from
Mar 19, 2026
Merged

Another attempt at ITK zlib #42

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13 changes: 11 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,17 @@ if(TRX_ZLIB_TARGET AND NOT TARGET ZLIB::ZLIB)
# being present is a definitive indicator of an ITK build; use ITK's own
# module variable rather than trying to derive the path from the target.
if(TARGET ITKZLIBModule OR TARGET ITK::ITKZLIBModule)
set(ZLIB_INCLUDE_DIR "${ITKZLIB_INCLUDE_DIRS}")
set(ZLIB_FOUND TRUE)
# ITKZLIB_INCLUDE_DIRS is a list: in-tree builds have multiple entries
# (src/ and src/itkzlib-ng/ where zlib.h actually lives); installed
# builds have a single merged include dir. Find the entry with zlib.h.
foreach(_trx_zlib_dir IN LISTS ITKZLIB_INCLUDE_DIRS)
if(EXISTS "${_trx_zlib_dir}/zlib.h")
set(ZLIB_INCLUDE_DIR "${_trx_zlib_dir}")
set(ZLIB_FOUND TRUE)
break()
endif()
endforeach()
unset(_trx_zlib_dir)
endif()
endif()
endif()
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