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build: Mark the installed libpng headers as system headers in CMake

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Modern compilers can disable the warnings that originate from system
headers. This change allows them to do so with the libpng headers.

Signed-off-by: Cosmin Truta <ctruta@gmail.com>
This commit is contained in:
Benjamin Buch 2024-02-21 19:06:33 +01:00 committed by Cosmin Truta
parent 14a348ddc8
commit 7b888092b9
2 changed files with 10 additions and 12 deletions
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21
CMakeLists.txt
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@ -714,10 +714,9 @@ if(PNG_SHARED)
set_target_properties(png_shared PROPERTIES DEFINE_SYMBOL PNG_BUILD_DLL)
endif()
target_include_directories(png_shared
PUBLIC
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
target_include_directories(png_shared SYSTEM
INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION}>)
target_link_libraries(png_shared PUBLIC ZLIB::ZLIB ${M_LIBRARY})
endif()
@ -729,10 +728,9 @@ if(PNG_STATIC)
OUTPUT_NAME "${PNG_STATIC_OUTPUT_NAME}"
DEBUG_POSTFIX "${PNG_DEBUG_POSTFIX}")
target_include_directories(png_static
PUBLIC
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
target_include_directories(png_static SYSTEM
INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION}>)
target_link_libraries(png_static PUBLIC ZLIB::ZLIB ${M_LIBRARY})
endif()
@ -759,10 +757,9 @@ if(PNG_FRAMEWORK)
# Avoid CMake's implicit compile definition "-Dpng_framework_EXPORTS".
set_target_properties(png_framework PROPERTIES DEFINE_SYMBOL "")
target_include_directories(png_framework
PUBLIC
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION}>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>)
target_include_directories(png_framework SYSTEM
INTERFACE $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/libpng${PNGLIB_ABI_VERSION}>)
target_link_libraries(png_framework PUBLIC ZLIB::ZLIB ${M_LIBRARY})
endif()

1
scripts/cmake/AUTHORS.md
View File

@ -7,6 +7,7 @@ Author List
* Alex Gaynor
* Andreas Franek
* B. Scott Michel
* Benjamin Buch
* Cameron Cawley
* Christian Ehrlicher
* Christopher Sean Morrison