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add SPNG_USE_MINIZ option to cmake #256

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add SPNG_USE_MINIZ option to cmake #256

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14 changes: 12 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ set(SPNG_VERSION ${SPNG_MAJOR}.${SPNG_MINOR}.${SPNG_REVISION})
option(ENABLE_OPT "Enable architecture-specific optimizations" ON)
option(SPNG_SHARED "Build shared lib" ON)
option(SPNG_STATIC "Build static lib" ON)
option(SPNG_USE_MINIZ "Use Miniz instead of zlib" OFF)
option(BUILD_EXAMPLES "Build examples" ON)

include(GNUInstallDirs)
Expand Down Expand Up @@ -47,13 +48,22 @@ if(SPNG_STATIC)
list(APPEND spng_TARGETS spng_static)
endif()

find_package(ZLIB REQUIRED)
if(SPNG_USE_MINIZ)
find_package(miniz REQUIRED)
set(zlib_dep miniz::miniz)
else()
find_package(ZLIB REQUIRED)
set(zlib_dep ZLIB::ZLIB)
endif()
foreach(spng_TARGET ${spng_TARGETS})
target_include_directories(${spng_TARGET} PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/spng>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
target_link_libraries(${spng_TARGET} PRIVATE ZLIB::ZLIB)
target_link_libraries(${spng_TARGET} PRIVATE ${zlib_dep})
if (SPNG_USE_MINIZ)
target_compile_definitions(${spng_TARGET} PRIVATE SPNG_USE_MINIZ)
endif()
target_link_libraries(${spng_TARGET} PRIVATE ${MATH_LIBRARY})
endforeach()

Expand Down