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src: fix NODE_DEPRECATED macro with old compilers

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The `__attribute__((deprecated("warning")))` macro didn't exist until
gcc 4.5 and clang 2.9.

While io.js does not build with compilers that old, add-ons do.  Let's
make src/node.h compatible with such compilers, it's a public header.

PR-URL: https://github.com/iojs/io.js/pull/1626
Refs: https://github.com/iojs/io.js/issues/1619
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
This commit is contained in:
Ben Noordhuis 2015-05-05 18:17:55 +02:00
parent 71dc7152ee
commit b712af79a7
1 changed files with 23 additions and 4 deletions
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27
src/node.h
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@ -42,14 +42,33 @@
#include "v8.h" // NOLINT(build/include_order)
#include "node_version.h" // NODE_MODULE_VERSION
#if defined(__GNUC__)
# define NODE_DEPRECATED(message, declarator) \
#define IOJS_MAKE_VERSION(major, minor, patch) \
((major) * 0x1000 + (minor) * 0x100 + (patch))
#ifdef __clang__
# define IOJS_CLANG_AT_LEAST(major, minor, patch) \
(IOJS_MAKE_VERSION(major, minor, patch) <= \
IOJS_MAKE_VERSION(__clang_major__, __clang_minor__, __clang_patchlevel__))
#else
# define IOJS_CLANG_AT_LEAST(major, minor, patch) (0)
#endif
#ifdef __GNUC__
# define IOJS_GNUC_AT_LEAST(major, minor, patch) \
(IOJS_MAKE_VERSION(major, minor, patch) <= \
IOJS_MAKE_VERSION(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__))
#else
# define IOJS_GNUC_AT_LEAST(major, minor, patch) (0)
#endif
#if IOJS_CLANG_AT_LEAST(2, 9, 0) || IOJS_GNUC_AT_LEAST(4, 5, 0)
# define NODE_DEPRECATED(message, declarator) \
__attribute__((deprecated(message))) declarator
#elif defined(_MSC_VER)
# define NODE_DEPRECATED(message, declarator) \
# define NODE_DEPRECATED(message, declarator) \
__declspec(deprecated) declarator
#else
# define NODE_DEPRECATED(message, declarator) \
# define NODE_DEPRECATED(message, declarator) \
declarator
#endif