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FindPNG: only mark used variables as advanced

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The `PNG_LIBRARY` variable is an output and not a cache variable.

Fixes some CMP0102 warnings.
This commit is contained in:
Ben Boeckel
2021-02-13 08:55:03 -05:00
parent 36b0cc7958
commit 17ae4e1bef
1 changed files with 1 additions and 2 deletions
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3
Modules/FindPNG.cmake
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@@ -55,6 +55,7 @@ find_package(ZLIB ${_FIND_ZLIB_ARG})
if(ZLIB_FOUND)
find_path(PNG_PNG_INCLUDE_DIR png.h PATH_SUFFIXES include/libpng)
mark_as_advanced(PNG_PNG_INCLUDE_DIR)
list(APPEND PNG_NAMES png libpng)
unset(PNG_NAMES_DEBUG)
@@ -158,5 +159,3 @@ include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(PNG
REQUIRED_VARS PNG_LIBRARY PNG_PNG_INCLUDE_DIR
VERSION_VAR PNG_VERSION_STRING)
mark_as_advanced(PNG_PNG_INCLUDE_DIR PNG_LIBRARY )