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2bd8f42c15
Preprocessor conditionals dependent on definition of USE_OPENSSL have been straightened out.
69 lines
2 KiB
CMake
69 lines
2 KiB
CMake
include(CheckCSourceCompiles)
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include(CheckCXXSourceCompiles)
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check_c_source_compiles("
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#include <openssl/ssl.h>
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int main() { return 0; }
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" including_ssl_h_works)
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if (NOT including_ssl_h_works)
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# On Red Hat we may need to include Kerberos header.
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set(CMAKE_REQUIRED_INCLUDES "/usr/kerberos/include")
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check_c_source_compiles("
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#include <krb5.h>
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#include <openssl/ssl.h>
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int main() { return 0; }
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" NEED_KRB5_H)
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unset(CMAKE_REQUIRED_INCLUDES)
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if (NOT NEED_KRB5_H)
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message(FATAL_ERROR
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"OpenSSL test failure. See CmakeError.log for details.")
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else ()
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message(STATUS "OpenSSL requires Kerberos header")
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include_directories("/usr/kerberos/include")
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endif ()
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endif ()
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# check for OPENSSL_add_all_algorithms_conf function
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# and thus OpenSSL >= v0.9.7
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set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
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check_c_source_compiles("
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#include <openssl/evp.h>
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int main() {
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OPENSSL_add_all_algorithms_conf();
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return 0;
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}
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" openssl_greater_than_0_9_7)
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unset(CMAKE_REQUIRED_LIBRARIES)
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if (NOT openssl_greater_than_0_9_7)
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message(FATAL_ERROR "OpenSSL >= v0.9.7 required")
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endif ()
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set(CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
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check_cxx_source_compiles("
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#include <openssl/x509.h>
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int main() {
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const unsigned char** cpp = 0;
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X509** x =0;
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d2i_X509(x, cpp, 0);
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return 0;
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}
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" OPENSSL_D2I_X509_USES_CONST_CHAR)
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if (NOT OPENSSL_D2I_X509_USES_CONST_CHAR)
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# double check that it compiles without const
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check_cxx_source_compiles("
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#include <openssl/x509.h>
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int main() {
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unsigned char** cpp = 0;
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X509** x =0;
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d2i_X509(x, cpp, 0);
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return 0;
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}
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" OPENSSL_D2I_X509_USES_CHAR)
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if (NOT OPENSSL_D2I_X509_USES_CHAR)
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message(FATAL_ERROR
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"Can't determine if openssl_d2i_x509() takes const char parameter")
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endif ()
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endif ()
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unset(CMAKE_REQUIRED_LIBRARIES)
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