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build(cmake): guard libtiff's missing Deflate target #5313

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build(cmake): guard libtiff's missing Deflate target #5313

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36beb9b
build(cmake): guard libtiff's missing Deflate target
zachlewis Jul 12, 2026
9bdcdfe
build(cmake): link libtiff workaround upstream
zachlewis Jul 12, 2026
5b9af7c
build(cmake): guard static OIIO consumers
zachlewis Jul 12, 2026
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10 changes: 10 additions & 0 deletions src/cmake/Config.cmake.in
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,16 @@ if (NOT @BUILD_SHARED_LIBS@)
# This is required in static library builds, as e.g. PNG::PNG appears among
# INTERFACE_LINK_LIBRARIES. If the project does not know about PNG target, it will cause
# configuration error about unknown targets being linked in.
# Static libtiff configs may reference this target without importing it.
# https://gitlab.com/libtiff/libtiff/-/work_items/871
if (NOT TARGET Deflate::Deflate)
find_package (libdeflate CONFIG QUIET)
if (TARGET libdeflate::libdeflate_static)
add_library (Deflate::Deflate ALIAS libdeflate::libdeflate_static)
elseif (TARGET libdeflate::libdeflate_shared)
add_library (Deflate::Deflate ALIAS libdeflate::libdeflate_shared)
endif ()
endif ()
find_dependency(TIFF)
find_dependency(OpenColorIO)
if (@JPEG_FOUND@)
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8 changes: 8 additions & 0 deletions src/cmake/externalpackages.cmake
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Expand Up @@ -90,6 +90,14 @@ endif ()
checked_find_package (libuhdr
VERSION_MIN 1.3)

# Static libtiff configs may reference this target without importing it.
# https://gitlab.com/libtiff/libtiff/-/work_items/871
if (NOT TARGET Deflate::Deflate)
find_package (libdeflate CONFIG QUIET)
alias_library_if_not_exists (Deflate::Deflate libdeflate::libdeflate_static)
alias_library_if_not_exists (Deflate::Deflate libdeflate::libdeflate_shared)
endif ()
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checked_find_package (TIFF REQUIRED
VERSION_MIN 4.0
RECOMMEND_MIN 4.5
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