forked from osmocom/wireshark
76 lines
2.4 KiB
CMake
76 lines
2.4 KiB
CMake
#
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# - Find gcrypt
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# Find the native GCRYPT includes and library
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#
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# GCRYPT_INCLUDE_DIRS - where to find gcrypt.h, etc.
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# GCRYPT_LIBRARIES - List of libraries when using gcrypt.
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# GCRYPT_FOUND - True if gcrypt found.
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# GCRYPT_DLL_DIR - (Windows) Path to the Libgcrypt DLLs.
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# GCRYPT_DLLS - (Windows) List of required Libgcrypt DLLs.
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if(GCRYPT_INCLUDE_DIRS)
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# Already in cache, be silent
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set(GCRYPT_FIND_QUIETLY TRUE)
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endif()
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include(FindWSWinLibs)
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FindWSWinLibs("libgcrypt-.*" "GCRYPT_HINTS")
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find_path(GCRYPT_INCLUDE_DIR gcrypt.h
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HINTS
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"${GCRYPT_HINTS}/include"
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)
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# libgcrypt-20 is used in libgcrypt-1.8.3-win??ws (from Debian).
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# libgcrypt is used in libgcrypt-1.10.1-2-win??ws (from Debian).
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find_library(GCRYPT_LIBRARY
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NAMES gcrypt libgcrypt libgcrypt-20
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HINTS "${GCRYPT_HINTS}/lib")
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# libgpg-error6-0 is used in libgcrypt-1.7.6-win??ws (built from source).
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# libgpg-error-0 is used in libgcrypt-1.8.3-win??ws (from Debian).
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# libgpg-error is used in libgcrypt-1.10.1-2-win??ws (from Debian).
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find_library(GCRYPT_ERROR_LIBRARY
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NAMES gpg-error libgpg-error libgpg-error-0 libgpg-error6-0
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HINTS "${GCRYPT_HINTS}/lib")
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# Try to retrieve version from header if found (available since libgcrypt 1.3.0)
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if(GCRYPT_INCLUDE_DIR)
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set(_version_regex "^#define[ \t]+GCRYPT_VERSION[ \t]+\"([^\"]+)\".*")
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file(STRINGS "${GCRYPT_INCLUDE_DIR}/gcrypt.h" GCRYPT_VERSION REGEX "${_version_regex}")
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string(REGEX REPLACE "${_version_regex}" "\\1" GCRYPT_VERSION "${GCRYPT_VERSION}")
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unset(_version_regex)
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(GCRYPT
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REQUIRED_VARS GCRYPT_LIBRARY GCRYPT_INCLUDE_DIR
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VERSION_VAR GCRYPT_VERSION)
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if(GCRYPT_FOUND)
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set(GCRYPT_LIBRARIES ${GCRYPT_LIBRARY} ${GCRYPT_ERROR_LIBRARY})
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set(GCRYPT_INCLUDE_DIRS ${GCRYPT_INCLUDE_DIR})
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if(WIN32)
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set(GCRYPT_DLL_DIR "${GCRYPT_HINTS}/bin"
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CACHE PATH "Path to the Libgcrypt DLLs"
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)
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file(GLOB _gcrypt_dlls RELATIVE "${GCRYPT_DLL_DIR}"
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"${GCRYPT_DLL_DIR}/libgcrypt-*.dll"
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"${GCRYPT_DLL_DIR}/libgpg-error*.dll"
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)
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set(GCRYPT_DLLS ${_gcrypt_dlls}
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# We're storing filenames only. Should we use STRING instead?
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CACHE FILEPATH "Libgcrypt DLL list"
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)
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mark_as_advanced(GCRYPT_DLL_DIR GCRYPT_DLLS)
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endif()
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else()
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set(GCRYPT_LIBRARIES)
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set(GCRYPT_INCLUDE_DIRS)
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set(GCRYPT_DLL_DIR)
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set(GCRYPT_DLLS)
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endif()
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mark_as_advanced(GCRYPT_LIBRARIES GCRYPT_INCLUDE_DIRS)
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