Overview
| Comment: | Check for all atomic ops implementations available.
This fixes building a Universal Binary which includes an architecture |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
56006b4b49e8f2dbd7b70eff452f30c3 |
| User & Date: | js on 2010-09-08 11:13:52 |
| Other Links: | manifest | tags |
Context
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2010-09-08
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| 11:15 | Include the tests in the Xcode project. check-in: 364b6b20d7 user: js tags: trunk | |
| 11:13 | Check for all atomic ops implementations available. check-in: 56006b4b49 user: js tags: trunk | |
| 10:02 | Move -[replaceObjectsUsingBlock:] test to the right place. check-in: ea3c419495 user: js tags: trunk | |
Changes
Modified configure.ac from [81303923b2] to [521416453f].
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257 258 259 260 261 262 263 | yes #endif ], [ AC_MSG_RESULT(yes) atomic_ops="assembly implementation" ], [AC_MSG_RESULT(no)]) | < | | | | | | | | | | | | < < | | | | < | 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 | yes #endif ], [ AC_MSG_RESULT(yes) atomic_ops="assembly implementation" ], [AC_MSG_RESULT(no)]) AC_MSG_CHECKING(whether __sync_* works) AC_TRY_LINK([#include <stdint.h>], [ int32_t i, j; if (__sync_add_and_fetch(&i, 1)) j = __sync_sub_and_fetch(&i, 1); while (!__sync_bool_compare_and_swap(&i, 0, 1)); ], [ AC_MSG_RESULT(yes) test x"$atomic_ops" = x"none" && atomic_ops="gcc builtins" AC_DEFINE(OF_HAVE_GCC_ATOMIC_OPS, 1, [Whether gcc atomic operations are available]) ], [AC_MSG_RESULT(no)]) AC_CHECK_HEADER(libkern/OSAtomic.h, [ test x"$atomic_ops" = x"none" && atomic_ops="libkern/OSAtomic.h" AC_DEFINE(OF_HAVE_LIBKERN_OSATOMIC_H, 1, [Whether we have libkern/OSAtomic.h])]) else dnl We can only have one thread - therefore everything is atomic atomic_ops="not needed" fi AC_MSG_CHECKING(for atomic operations) if test x"$atomic_ops" != x"none"; then |
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