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| author | Bruno Haible <bruno@clisp.org> | 2021-12-21 15:10:25 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2021-12-21 15:10:25 +0100 |
| commit | f60cf6564aaea54df034c5c5664d9c13664ee372 (patch) | |
| tree | f15f5bdd7202d5c9f6778a7cbb1212113228325e /lib | |
| parent | 83a0d5891db50c00e283e70df694b6003b1f485d (diff) | |
| download | gnulib-f60cf6564aaea54df034c5c5664d9c13664ee372.tar.gz | |
snippet/warn-on-use: Fix compilation error in C++ mode on OpenBSD 7.0.
* lib/warn-on-use.h (_GL_WARN_ON_USE): In C++ mode, declare function
with "C" linkage.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/warn-on-use.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/warn-on-use.h b/lib/warn-on-use.h index 612937abb0..3984294616 100644 --- a/lib/warn-on-use.h +++ b/lib/warn-on-use.h @@ -84,20 +84,20 @@ # if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) /* A compiler attribute is available in gcc versions 4.3.0 and later. */ # define _GL_WARN_ON_USE(function, message) \ -extern __typeof__ (function) function __attribute__ ((__warning__ (message))) +_GL_WARN_EXTERN_C __typeof__ (function) function __attribute__ ((__warning__ (message))) # define _GL_WARN_ON_USE_ATTRIBUTE(message) \ __attribute__ ((__warning__ (message))) # elif __clang_major__ >= 4 /* Another compiler attribute is available in clang. */ # define _GL_WARN_ON_USE(function, message) \ -extern __typeof__ (function) function \ +_GL_WARN_EXTERN_C __typeof__ (function) function \ __attribute__ ((__diagnose_if__ (1, message, "warning"))) # define _GL_WARN_ON_USE_ATTRIBUTE(message) \ __attribute__ ((__diagnose_if__ (1, message, "warning"))) # elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING /* Verify the existence of the function. */ # define _GL_WARN_ON_USE(function, message) \ -extern __typeof__ (function) function +_GL_WARN_EXTERN_C __typeof__ (function) function # define _GL_WARN_ON_USE_ATTRIBUTE(message) # else /* Unsupported. */ # define _GL_WARN_ON_USE(function, message) \ |