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ext/openssl/extconf.rb: do not use -Werror=deprecated-declarations

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It fails to build on Solaris:

```
ossl_cipher.c: 関数 ‘ossl_cipher_init’ 内:
ossl_cipher.c:228:2: エラー: ‘EVP_md5’ is deprecated [-Werror=deprecated-declarations]
  228 |  EVP_BytesToKey(EVP_CIPHER_CTX_cipher(ctx), EVP_md5(), iv,
      |  ^~~~~~~~~~~~~~
In file included from /usr/include/openssl/x509.h:73,
                 from /usr/include/openssl/x509v3.h:63,
                 from ossl.h:23,
                 from ossl_cipher.c:10:
/usr/include/openssl/evp.h:732:26: 備考: ここで宣言されています
  732 | DEPRECATED const EVP_MD *EVP_md5(void);
      |                          ^~~~~~~
```

I agree that `-Werror=` is a good habit, but adding it by default is too
aggressive.
This commit is contained in:
Yusuke Endoh 2019-12-05 14:41:38 +09:00
parent c0d118f41a
commit 0d7d8b2989
2 changed files with 1 additions and 16 deletions
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14
ext/openssl/deprecation.rb
View file

@ -1,19 +1,7 @@
# frozen_string_literal: false
module OpenSSL
def self.deprecated_warning_flag
unless flag = (@deprecated_warning_flag ||= nil)
if try_compile("", flag = "-Werror=deprecated-declarations")
$warnflags << " #{flag}"
else
flag = ""
end
@deprecated_warning_flag = flag
end
flag
end
def self.check_func(func, header)
have_func(func, header, deprecated_warning_flag)
have_func(func, header)
end
def self.check_func_or_macro(func, header)

3
ext/openssl/extconf.rb
View file

@ -19,9 +19,6 @@ dir_config("kerberos")
Logging::message "=== OpenSSL for Ruby configurator ===\n"
# Add -Werror=deprecated-declarations to $warnflags if available
OpenSSL.deprecated_warning_flag
##
# Adds -DOSSL_DEBUG for compilation and some more targets when GCC is used
# To turn it on, use: --with-debug or --enable-debug