Eksperymentalnie użyłem visual studio c++ 2019
Brakowalo mi biblioteli libpng wiec dodalem ja do projektu za pomoca FetchContent
libpng potrzebuje zlib wiec tez dodałem tez do pliku cmake
Zastanawiam sie czy da rade uzyc libpng+zlib bez uzycia cmake install
cmake_minimum_required(VERSION 3.19)
project(png-usage)
if(POLICY CMP0077)
# Allow CMake 3.13+ to override options when using FetchContent / add_subdirectory.
cmake_policy(SET CMP0077 NEW)
endif()
# more logging from FetchContent
set(FETCHCONTENT_QUIET OFF)
include(FetchContent)
FetchContent_Declare(
zlib_repo
GIT_REPOSITORY "https://github.com/madler/zlib"
)
FetchContent_MakeAvailable(zlib_repo)
set(ZLIB_LIBRARY ${zlib_repo_BINARY_DIR})
set(ZLIB_INCLUDE_DIR ${zlib_repo_SOURCE_DIR} ${zlib_repo_BINARY_DIR})
message("zlib_repo_SOURCE_DIR ${zlib_repo_SOURCE_DIR})")
message("zlib_repo_BINARY_DIR ${zlib_repo_BINARY_DIR})")
# app_zlib
add_executable(app_zlib app_z.cpp)
target_link_libraries(app_zlib zlib)
FetchContent_Declare(
libpng
GIT_REPOSITORY "https://github.com/glennrp/libpng.git"
)
set(PNG_TESTS OFF)
FetchContent_MakeAvailable(libpng)
# app_png
add_executable(app_png app_png.cpp)
target_link_libraries(app_png png_static)
kompletny projekt https://github.com/mariuszmaximus/libpng_usage.git