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Do not find_package image libraries if not needed.

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This can be tested by running:
cmake ../ -DWEBP_BUILD_ANIM_UTILS=OFF -DWEBP_BUILD_CWEBP=OFF -DWEBP_BUILD_DWEBP=OFF -DWEBP_BUILD_GIF2WEBP=OFF -DWEBP_BUILD_IMG2WEBP=OFF -DWEBP_BUILD_EXTRAS=OFF

Bug: webp:612

Change-Id: Ie06d8f0535676d6d31ff0047ff7a6c026e16118e
This commit is contained in:
Vincent Rabaud 2023-05-26 00:14:05 +02:00
parent 8dd80ef814
commit 709ec152df
2 changed files with 51 additions and 39 deletions
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10
CMakeLists.txt
View File

@ -99,6 +99,16 @@ if(NOT CMAKE_BUILD_TYPE)
endif()
# Include dependencies.
if(WEBP_BUILD_ANIM_UTILS
OR WEBP_BUILD_CWEBP
OR WEBP_BUILD_DWEBP
OR WEBP_BUILD_EXTRAS
OR WEBP_BUILD_GIF2WEBP
OR WEBP_BUILD_IMG2WEBP)
set(WEBP_FIND_IMG_LIBS TRUE)
else()
set(WEBP_FIND_IMG_LIBS FALSE)
endif()
include(cmake/deps.cmake)
include(GNUInstallDirs)

6
cmake/deps.cmake
View File

@ -74,6 +74,7 @@ endif()
# Find the standard image libraries.
set(WEBP_DEP_IMG_LIBRARIES)
set(WEBP_DEP_IMG_INCLUDE_DIRS)
if(WEBP_FIND_IMG_LIBS)
foreach(I_LIB PNG JPEG TIFF)
# Disable tiff when compiling in static mode as it is failing on Ubuntu.
if(WEBP_LINK_STATIC AND ${I_LIB} STREQUAL "TIFF")
@ -101,8 +102,8 @@ set(WEBP_HAVE_GIF ${GIF_FOUND})
if(GIF_FOUND)
# GIF find_package only locates the header and library, it doesn't fail
# compile tests when detecting the version, but falls back to 3 (as of at
# least cmake 3.7.2). Make sure the library links to avoid incorrect detection
# when cross compiling.
# least cmake 3.7.2). Make sure the library links to avoid incorrect
# detection when cross compiling.
cmake_push_check_state()
set(CMAKE_REQUIRED_LIBRARIES ${GIF_LIBRARIES})
set(CMAKE_REQUIRED_INCLUDES ${GIF_INCLUDE_DIR})
@ -123,6 +124,7 @@ if(GIF_FOUND)
unset(GIF_FOUND)
endif()
endif()
endif()
# Check for specific headers.
include(CheckIncludeFiles)