54 lines
1.4 KiB
Text
54 lines
1.4 KiB
Text
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dnl Check to find the LibreSSL/OpenSSL headers/libraries
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AC_DEFUN([tinc_OPENSSL],
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[
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case $host_os in
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*mingw*)
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;;
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*)
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AC_CHECK_FUNC(dlopen,
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[],
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[AC_CHECK_LIB(dl, dlopen,
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[LIBS="$LIBS -ldl"],
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[AC_MSG_ERROR([LibreSSL/OpenSSL depends on libdl.]); break]
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)]
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)
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;;
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esac
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AC_ARG_WITH(openssl,
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AS_HELP_STRING([--with-openssl=DIR], [LibreSSL/OpenSSL base directory, or:]),
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[openssl="$withval"
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CPPFLAGS="$CPPFLAGS -I$withval/include"
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LDFLAGS="$LDFLAGS -L$withval/lib"]
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)
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AC_ARG_WITH(openssl-include,
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AS_HELP_STRING([--with-openssl-include=DIR], [LibreSSL/OpenSSL headers directory (without trailing /openssl)]),
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[openssl_include="$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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AS_HELP_STRING([--with-openssl-lib=DIR], [LibreSSL/OpenSSL library directory]),
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[openssl_lib="$withval"
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LDFLAGS="$LDFLAGS -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([LibreSSL/OpenSSL header files not found.]); break]
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)
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AC_CHECK_HEADERS([openssl/param_build.h])
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AC_CHECK_LIB(crypto, OPENSSL_init_crypto,
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[LIBS="-lcrypto $LIBS"],
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[AC_MSG_ERROR([LibreSSL/OpenSSL libraries not found.])]
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)
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AC_CHECK_DECLS([EVP_RSA_gen], [], [], [#include <openssl/rsa.h>])
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AC_DEFINE(HAVE_OPENSSL, 1, [enable OpenSSL support])
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])
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