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Clang 16 (and likely GCC 13) enables -Wimplicit-function-declaration by
default. This results in errors such as:
signify.c:144:6: error: call to undeclared function 'b64_pton'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (b64_pton(commentend + 1, buf, buflen) != buflen)
^
signify.c:231:6: error: call to undeclared function 'b64_ntop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (b64_ntop(buf, buflen, b64, sizeof(b64)) == -1)
^
signify.c:624:12: error: call to undeclared function 'b64_pton'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if ((rv = b64_pton(hash, data, sizeof(data))) == -1)
A simple fix is to create a base64.h file containing the headers of the
b64_* functions.
Bug: https://bugs.gentoo.org/894354
Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>
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Upstream PR: aperezdc/signify#43 Closes: https://bugs.gentoo.org/894354 Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com>
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Upstream PR: aperezdc/signify#43 Closes: https://bugs.gentoo.org/894354 Signed-off-by: Brahmajit Das <brahmajit.xyz@gmail.com> Closes: #32097 Signed-off-by: Michał Górny <mgorny@gentoo.org>
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| #include "sha2.h" | ||
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| #include "crypto_api.h" | ||
| #include "base64.h" |
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Instead of adding a new header, wouldn't it be enough to add the function prototypes to compat.h?
This was referenced Mar 15, 2026
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Clang 16 (and likely GCC 13) enables -Wimplicit-function-declaration by default. This results in errors such as:
signify.c:144:6: error: call to undeclared function 'b64_pton'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (b64_pton(commentend + 1, buf, buflen) != buflen)
^
signify.c:231:6: error: call to undeclared function 'b64_ntop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if (b64_ntop(buf, buflen, b64, sizeof(b64)) == -1)
^
signify.c:624:12: error: call to undeclared function 'b64_pton'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
if ((rv = b64_pton(hash, data, sizeof(data))) == -1)
A simple fix is to create a base64.h file containing the headers of the b64_* functions.
Bug: https://bugs.gentoo.org/894354