50 lines
1.2 KiB
Text
50 lines
1.2 KiB
Text
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dnl Check to find the OpenSSL headers/libraries
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AC_DEFUN(tinc_OPENSSL,
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[
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tinc_ac_save_CPPFLAGS="$CPPFLAGS"
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AC_ARG_WITH(openssl-include,
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[ --with-openssl-include=DIR OpenSSL headers directory (without trailing /openssl)],
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[openssl_include="$withval"
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CFLAGS="$CFLAGS -I$withval"
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CPPFLAGS="$CPPFLAGS -I$withval"]
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)
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AC_ARG_WITH(openssl-lib,
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[ --with-openssl-lib=DIR OpenSSL library directory],
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[openssl_lib="$withval"
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LIBS="$LIBS -L$withval"]
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)
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AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h,
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[],
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[AC_MSG_ERROR("OpenSSL header files not found."); break]
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)
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CPPFLAGS="$tinc_ac_save_CPPFLAGS"
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AC_CHECK_LIB(crypto, SHA1_version,
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[LIBS="$LIBS -lcrypto"],
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[AC_MSG_ERROR("OpenSSL libraries not found.")]
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)
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AC_CHECK_FUNCS(RAND_pseudo_bytes)
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AC_CHECK_FUNC(OpenSSL_add_all_algorithms,
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[],
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AC_CHECK_FUNC(SSLeay_add_all_algorithms,
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[AC_DEFINE(HAVE_SSLEAY_ADD_ALL_ALGORITHMS)],
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[AC_MSG_ERROR("Missing required OpenSSL functionality!")]
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)
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)
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AC_CHECK_FUNC(dlopen,
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[],
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AC_CHECK_LIB(dl, dlopen,
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[LIBS="$LIBS -ldl"],
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[AC_MSG_ERROR("OpenSSL depends on libdl.")]
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)
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)
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])
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