Overview
Comment: | Don't depend on objc/objc.h for compiler checks. |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
4c598e07adc864a64f49b40884f0cc67 |
User & Date: | js on 2011-03-21 12:43:19 |
Other Links: | manifest | tags |
Context
2011-03-21
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12:47 | Check whether optional protocols are supported. check-in: 09a49963de user: js tags: trunk | |
12:43 | Don't depend on objc/objc.h for compiler checks. check-in: 4c598e07ad user: js tags: trunk | |
2011-03-17
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20:33 | Use Sleep(0) instead of yield() on Win32. check-in: eb827e8f21 user: js tags: trunk | |
Changes
Modified configure.ac from [3023082e96] to [142ef9b094].
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28 29 30 31 32 33 34 | NO_CONST_CFSTRINGS="-fno-constant-cfstrings" OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings" ]) AC_SUBST(NO_CONST_CFSTRINGS) AC_MSG_CHECKING(whether Objective C compiler supports fast enumeration) AC_TRY_COMPILE([ | < < | | | < < | | | | 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | NO_CONST_CFSTRINGS="-fno-constant-cfstrings" OBJCFLAGS="$OBJCFLAGS -fno-constant-cfstrings" ]) AC_SUBST(NO_CONST_CFSTRINGS) AC_MSG_CHECKING(whether Objective C compiler supports fast enumeration) AC_TRY_COMPILE([ @protocol OFFastEnumeration - (int)countByEnumeratingWithState: (void*)state objects: (struct objc_object**)objects count: (int)count; @end ], [ struct objc_object *n = (struct objc_object*)0; for (struct objc_object *i in n); ], [ AC_DEFINE(OF_HAVE_FAST_ENUMERATION, 1, [Compiler support for Fast Enumeration]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether Objective C compiler supports properties) AC_TRY_COMPILE([ @interface Foo { id bar; } @property (retain, nonatomic) struct objc_object *bar; @end ], [ Foo *foo = (struct objc_object*)0; [foo setBar: (struct objc_object*)0]; [foo bar]; ], [ AC_DEFINE(OF_HAVE_PROPERTIES, 1, [Compiler support for properties]) AC_SUBST(PROPERTIESTESTS_M, "PropertiesTests.m") AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) |
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459 460 461 462 463 464 465 | AS_IF([test x"$GOBJC" = x"yes"], [ OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wcast-align -Wpointer-arith" OBJCFLAGS="$OBJCFLAGS -Werror" AC_MSG_CHECKING(whether gcc has bug objc/27438) AC_TRY_COMPILE([ | < < | < < | | 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 | AS_IF([test x"$GOBJC" = x"yes"], [ OBJCFLAGS="$OBJCFLAGS -Wwrite-strings -Wcast-align -Wpointer-arith" OBJCFLAGS="$OBJCFLAGS -Werror" AC_MSG_CHECKING(whether gcc has bug objc/27438) AC_TRY_COMPILE([ @interface OFConstantString { struct objc_class *isa; const char *string; unsigned long size; } @end void *_OFConstantStringClassReference; ], [ OFConstantString *test = @""; test++; /* Get rid of unused variable warning */ ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT([yes, adding -Wno-unused-variable]) OBJCFLAGS="$OBJCFLAGS -Wno-unused-variable" AC_SUBST(NO_WARN_UNUSED, "-Wno-unused-variable") ]) AC_MSG_CHECKING(whether we need -Wno-strict-aliasing due to gcc bugs) AC_TRY_COMPILE([ @interface OFObject { Class isa; } @end static struct { struct objc_class *isa; } object; ], [ OFObject *test = (OFObject*)&object; test++; /* Get rid of unused variable warning */ ], [ AC_MSG_RESULT(no) ], [ |
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