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--- a/src/doc/CMakeLists.txt
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+++ b/src/doc/CMakeLists.txt
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@@ -19,8 +19,7 @@ if (UNIX AND TXT2MAN AND PYTHONINTERP_FO
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     message (STATUS "Unix man page documentation will be generated")
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     set (cli_tools oiiotool iinfo maketx idiff igrep iconvert)
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-    find_program (IV_FOUND iv)
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-    if (IV_FOUND)
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+    if (TARGET iv)
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         list (APPEND cli_tools iv)
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     endif()
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