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58 lines
1.6 KiB
CMake
58 lines
1.6 KiB
CMake
# FindSodium.cmake - Find libsodium with version check
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#
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# Sets:
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# SODIUM_FOUND
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# SODIUM_INCLUDE_DIRS
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# SODIUM_LIBRARIES
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find_path(SODIUM_INCLUDE_DIR
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NAMES sodium.h
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HINTS
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/opt/homebrew/include
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/usr/local/include
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/usr/local/opt/libsodium/include
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/opt/homebrew/opt/libsodium/include
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/usr/include
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$ENV{LIBSODIUM_INCLUDE_DIR}
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$ENV{LIBSODIUM_DIR}/include
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)
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find_library(SODIUM_LIBRARY
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NAMES sodium
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HINTS
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/opt/homebrew/lib
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/usr/local/lib
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/usr/local/opt/libsodium/lib
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/opt/homebrew/opt/libsodium/lib
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/usr/lib
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)
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if(SODIUM_INCLUDE_DIR AND SODIUM_LIBRARY)
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set(SODIUM_FOUND TRUE)
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set(SODIUM_INCLUDE_DIRS ${SODIUM_INCLUDE_DIR})
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set(SODIUM_LIBRARIES ${SODIUM_LIBRARY})
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# Version check: require SODIUM_LIBRARY_VERSION_MAJOR >= 7 (libsodium >= 1.0.4)
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include(CheckCSourceCompiles)
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set(CMAKE_REQUIRED_INCLUDES ${SODIUM_INCLUDE_DIR})
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set(CMAKE_REQUIRED_LIBRARIES ${SODIUM_LIBRARY})
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check_c_source_compiles("
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#include <sodium.h>
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#if SODIUM_LIBRARY_VERSION_MAJOR < 7
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#error libsodium too old
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#endif
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int main(void) { return 0; }
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" SODIUM_VERSION_OK)
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unset(CMAKE_REQUIRED_INCLUDES)
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unset(CMAKE_REQUIRED_LIBRARIES)
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if(NOT SODIUM_VERSION_OK)
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message(FATAL_ERROR "libsodium found but version is too old. Require >= 1.0.4 (SODIUM_LIBRARY_VERSION_MAJOR >= 7)")
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endif()
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message(STATUS "Found libsodium: ${SODIUM_LIBRARY}")
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else()
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set(SODIUM_FOUND FALSE)
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message(FATAL_ERROR "Could not find libsodium. Install libsodium-dev or equivalent.")
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endif()
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