fails to build on macos (x64)

[nullbyteptr]

Tried to export path as mentioned in #161 , but it didn't work.

export PATH=/usr/local/bin:$PATH

vtls/openssl.c:2742:24: error: unknown type name 'CRYPTO_BUFFER'
                       CRYPTO_BUFFER** out,
                       ^
vtls/openssl.c:2749:3: error: use of undeclared identifier 'CRYPTO_BUFFER'
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
  ^
vtls/openssl.c:2749:18: error: use of undeclared identifier 'decompressed'
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
                 ^
vtls/openssl.c:2749:33: error: implicit declaration of function 'CRYPTO_BUFFER_alloc' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
                                ^
vtls/openssl.c:2750:7: error: use of undeclared identifier 'decompressed'
  if(!decompressed) {
      ^
vtls/openssl.c:2763:5: error: implicit declaration of function 'CRYPTO_BUFFER_free' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    CRYPTO_BUFFER_free(decompressed);
    ^
vtls/openssl.c:2763:5: note: did you mean 'CRYPTO_BUFFER_alloc'?
vtls/openssl.c:2749:33: note: 'CRYPTO_BUFFER_alloc' declared here
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
                                ^
vtls/openssl.c:2763:24: error: use of undeclared identifier 'decompressed'
    CRYPTO_BUFFER_free(decompressed);
                       ^
vtls/openssl.c:2771:5: error: implicit declaration of function 'CRYPTO_BUFFER_free' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    CRYPTO_BUFFER_free(decompressed);
    ^
vtls/openssl.c:2771:24: error: use of undeclared identifier 'decompressed'
    CRYPTO_BUFFER_free(decompressed);
                       ^
vtls/openssl.c:2776:10: error: use of undeclared identifier 'decompressed'
  *out = decompressed;
         ^
vtls/openssl.c:2787:26: error: unknown type name 'CRYPTO_BUFFER'
                         CRYPTO_BUFFER** out,
                         ^
vtls/openssl.c:2792:3: error: use of undeclared identifier 'CRYPTO_BUFFER'
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
  ^
vtls/openssl.c:2792:18: error: use of undeclared identifier 'decompressed'
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
                 ^
vtls/openssl.c:2792:33: error: implicit declaration of function 'CRYPTO_BUFFER_alloc' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
  CRYPTO_BUFFER* decompressed = CRYPTO_BUFFER_alloc(&data, uncompressed_len);
                                ^
vtls/openssl.c:2793:8: error: use of undeclared identifier 'decompressed'
  if (!decompressed) {
       ^
vtls/openssl.c:2801:5: error: implicit declaration of function 'CRYPTO_BUFFER_free' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    CRYPTO_BUFFER_free(decompressed);
    ^
vtls/openssl.c:2801:24: error: use of undeclared identifier 'decompressed'
    CRYPTO_BUFFER_free(decompressed);
                       ^
vtls/openssl.c:2805:10: error: use of undeclared identifier 'decompressed'
  *out = decompressed;
         ^
vtls/openssl.c:2814:3: error: unknown type name 'ssl_cert_compression_func_t'
  ssl_cert_compression_func_t compress;
  ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.

[lwthiker]

Fixed in #160