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Add a WEBP_NODISCARD

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Change-Id: Ice66f2aa6358474d728fb19c571edc86ed139a49
This commit is contained in:
Vincent Rabaud
2023-11-10 13:57:07 +01:00
parent 24d7f9cb6e
commit 13d9c30b2b
25 changed files with 321 additions and 222 deletions
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13
CMakeLists.txt
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@ -51,6 +51,8 @@ option(WEBP_ENABLE_SWAP_16BIT_CSP "Enable byte swap for 16 bit colorspaces."
OFF)
set(WEBP_BITTRACE "0" CACHE STRING "Bit trace mode (0=none, 1=bit, 2=bytes)")
set_property(CACHE WEBP_BITTRACE PROPERTY STRINGS 0 1 2)
option(WEBP_ENABLE_WUNUSED_RESULT "Add [[nodiscard]] to some functions. \
CMake must be at least 3.21 to force C23" OFF)
if(WEBP_LINK_STATIC)
if(WIN32)
@ -163,6 +165,17 @@ endif()
set(CMAKE_C_VISIBILITY_PRESET hidden)
if(WEBP_ENABLE_WUNUSED_RESULT)
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.21.0)
set(CMAKE_C_STANDARD 23)
else()
unset(CMAKE_C_STANDARD)
add_compile_options($<$<COMPILE_LANGUAGE:C>:-std=gnu2x>)
endif()
add_compile_options(-Wunused-result)
add_definitions(-DWEBP_ENABLE_NODISCARD=1)
endif()
# ##############################################################################
# Android only.
if(ANDROID)