66 lines
1.8 KiB
Text
66 lines
1.8 KiB
Text
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="$CPPFLAGS"
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AC_ARG_WITH(openssl,
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AC_HELP_STRING([--with-openssl=DIR], [OpenSSL base directory, or:]),
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[openssl="$withval"
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CFLAGS="$CFLAGS -I$withval/include"
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CPPFLAGS="$CPPFLAGS -I$withval/include"
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LIBS="$LIBS -L$withval/lib"]
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)
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AC_ARG_WITH(openssl-include,
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AC_HELP_STRING([--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$withval"]
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)
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AC_ARG_WITH(openssl-lib,
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AC_HELP_STRING([--with-openssl-lib=DIR], [OpenSSL library directory]),
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[openssl_lib="$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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case $host_os in
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*mingw*)
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AC_CHECK_LIB(crypto, SHA1_version,
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[LIBS="$LIBS -lcrypto -lgdi32"],
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[AC_MSG_ERROR([OpenSSL libraries not found.])]
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)
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;;
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*)
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AC_CHECK_LIB(crypto, SHA1_version,
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[LIBS="$LIBS -lcrypto"],
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[AC_MSG_ERROR([OpenSSL libraries not found.])]
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)
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AC_CHECK_FUNC(dlopen,
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[],
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[AC_CHECK_LIB(dl, dlopen,
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[LIBS="$LIBS -ldl"],
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[AC_MSG_ERROR([OpenSSL depends on libdl.]); break]
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)]
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)
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;;
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esac
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AC_CHECK_FUNCS([RAND_pseudo_bytes EVP_EncryptInit_ex], ,
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[AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
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)
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AC_CHECK_DECL([OpenSSL_add_all_algorithms], ,
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[AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
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[#include <openssl/evp.h>]
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)
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])
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