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Support wasm32 by disabling ZLIB WITH_OPTIM #632

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merged 1 commit into from
Sep 17, 2024
Merged

Support wasm32 by disabling ZLIB WITH_OPTIM #632

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9 changes: 9 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,8 @@
# do not include support for the Zlib library
# DEACTIVATE_ZSTD: default OFF
# do not include support for the Zstd library
# WITH_ZLIB_OPTIM: default ON
# set WITH_OPTIM when building Zlib library, setting OFF is useful for wasm32 targets
# PREFER_EXTERNAL_LZ4: default OFF
# when found, use the installed LZ4 libs instead of included
# sources
Expand Down Expand Up @@ -131,6 +133,8 @@ option(PREFER_EXTERNAL_ZLIB
"Find and use external ZLIB library instead of included sources." OFF)
option(PREFER_EXTERNAL_ZSTD
"Find and use external ZSTD library instead of included sources." OFF)
option(WITH_ZLIB_OPTIM
"Set WITH_OPTIM for ZLIB, turning off is useful for compiling for wasm32 targets." ON)

set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")

Expand Down Expand Up @@ -191,6 +195,11 @@ if(NOT DEACTIVATE_ZLIB)
endif()

if(NOT (ZLIB_NG_FOUND OR ZLIB_FOUND))

if (NOT WITH_ZLIB_OPTIM)
set(WITH_OPTIM FALSE)
set(WITH_RUNTIME_CPU_DETECTION FALSE)
endif()
message(STATUS "Using ZLIB-NG internal sources for ZLIB support.")
set(HAVE_ZLIB_NG TRUE)
add_definitions(-DZLIB_COMPAT)
Expand Down
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