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FindPNG: Fix definitions on imported target

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The `INTERFACE_COMPILE_DEFINITIONS` property should not have ``-D``
in its value.
This commit is contained in:
Axel Huebl 2019-05-17 17:08:37 +02:00 committed by Brad King
parent 94b2c75772
commit 21c74faa1a
1 changed files with 4 additions and 1 deletions
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5
Modules/FindPNG.cmake
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@ -100,13 +100,14 @@ if(ZLIB_FOUND)
# No need to define PNG_USE_DLL here, because it's default for Cygwin.
else()
set (PNG_DEFINITIONS -DPNG_STATIC)
set(_PNG_COMPILE_DEFINITIONS PNG_STATIC)
endif()
endif ()
if(NOT TARGET PNG::PNG)
add_library(PNG::PNG UNKNOWN IMPORTED)
set_target_properties(PNG::PNG PROPERTIES
INTERFACE_COMPILE_DEFINITIONS "${PNG_DEFINITIONS}"
INTERFACE_COMPILE_DEFINITIONS "${_PNG_COMPILE_DEFINITIONS}"
INTERFACE_INCLUDE_DIRECTORIES "${PNG_INCLUDE_DIRS}"
INTERFACE_LINK_LIBRARIES ZLIB::ZLIB)
if(EXISTS "${PNG_LIBRARY}")
@ -129,6 +130,8 @@ if(ZLIB_FOUND)
IMPORTED_LOCATION_DEBUG "${PNG_LIBRARY_DEBUG}")
endif()
endif()
unset(_PNG_COMPILE_DEFINITIONS)
endif ()
if (PNG_PNG_INCLUDE_DIR AND EXISTS "${PNG_PNG_INCLUDE_DIR}/png.h")