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pcg |
1.1 |
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="$LIBS -lcrypto"], |
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[AC_MSG_ERROR([OpenSSL libraries not found.])] |
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) |
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AC_CHECK_FUNCS([RAND_pseudo_bytes OPENSSL_add_all_algorithms_noconf OpenSSL_add_all_algorithms SSLeay_add_all_algorithms]) |
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AC_CHECK_FUNC(dlopen, |
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[], |
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[AC_CHECK_LIB(dl, dlopen, |
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[LIBS="$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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]) |
