Overview
Comment: | Check whether -Wunreachable-code can be used |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
74fe5209909dae22a763198bb39222af |
User & Date: | js on 2016-10-08 15:57:38 |
Other Links: | manifest | tags |
Context
2016-10-08
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15:57 | Initialize with nil to make old Apple GCC happy check-in: 7b81264b58 user: js tags: trunk | |
15:57 | Check whether -Wunreachable-code can be used check-in: 74fe520990 user: js tags: trunk | |
15:57 | Implement scrypt check-in: dcff33c798 user: js tags: trunk | |
Changes
Modified configure.ac from [09d5d7268f] to [5e3c6c916d].
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152 153 154 155 156 157 158 | [OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32"]) AX_CHECK_COMPILER_FLAGS(-Wsemicolon-before-method-body -Werror, [OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"]) AX_CHECK_COMPILER_FLAGS(-Wobjc-missing-property-synthesis -Werror, [OBJCFLAGS="$OBJCFLAGS -Wobjc-missing-property-synthesis"]) AX_CHECK_COMPILER_FLAGS(-Wsign-compare -Werror, [OBJCFLAGS="$OBJCFLAGS -Wsign-compare"]) | < < | 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | [OBJCFLAGS="$OBJCFLAGS -Wshorten-64-to-32"]) AX_CHECK_COMPILER_FLAGS(-Wsemicolon-before-method-body -Werror, [OBJCFLAGS="$OBJCFLAGS -Wsemicolon-before-method-body"]) AX_CHECK_COMPILER_FLAGS(-Wobjc-missing-property-synthesis -Werror, [OBJCFLAGS="$OBJCFLAGS -Wobjc-missing-property-synthesis"]) AX_CHECK_COMPILER_FLAGS(-Wsign-compare -Werror, [OBJCFLAGS="$OBJCFLAGS -Wsign-compare"]) AC_MSG_CHECKING(whether Objective C compiler supports properties) AC_TRY_COMPILE([ @interface Foo { id bar; } |
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1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 | ], [ ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) OBJCFLAGS="$old_OBJCFLAGS" ]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -Wdocumentation" AC_MSG_CHECKING(whether -Wdocumentation works correctly) AC_TRY_COMPILE([ /*! * @class Test conftest.m conftest.m | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 | ], [ ], [ AC_MSG_RESULT(no) ], [ AC_MSG_RESULT(yes) OBJCFLAGS="$old_OBJCFLAGS" ]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -Wunreachable-code" AC_MSG_CHECKING(whether -Wunreachable-code can be used) AC_TRY_COMPILE([ #include <stdlib.h> typedef void *SEL; #ifdef __has_attribute # if __has_attribute(objc_root_class) __attribute__((__objc_root_class__)) # endif #endif @interface Object - (void)doesNotRecognizeSelector: (SEL)selector #ifdef __clang__ __attribute__((__noreturn__)) #endif ; - (void)dealloc; @end @interface Foo: Object @end /* * Unfortunately, this cannot be shorter, as it only works when * it is used inside a macro. */ #ifdef __clang__ # define OF_DEALLOC_UNSUPPORTED \ [self doesNotRecognizeSelector: _cmd]; \ \ abort(); \ \ _Pragma("clang diagnostic push ignore \"-Wunreachable-code\""); \ [super dealloc]; \ _Pragma("clang diagnostic pop"); #else # define OF_DEALLOC_UNSUPPORTED \ [self doesNotRecognizeSelector: _cmd]; \ \ abort(); \ \ [super dealloc]; #endif @implementation Foo - (void)dealloc { OF_DEALLOC_UNSUPPORTED } @end ], [], [ AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) OBJCFLAGS="$old_OBJCFLAGS" ]) old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -Wdocumentation" AC_MSG_CHECKING(whether -Wdocumentation works correctly) AC_TRY_COMPILE([ /*! * @class Test conftest.m conftest.m |
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1250 1251 1252 1253 1254 1255 1256 | ]) AS_IF([test x"$check_pedantic" = x"yes"], [ old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -pedantic" AC_MSG_CHECKING(whether -pedantic is buggy) AC_TRY_COMPILE([ | | | 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 | ]) AS_IF([test x"$check_pedantic" = x"yes"], [ old_OBJCFLAGS="$OBJCFLAGS" OBJCFLAGS="$OBJCFLAGS -pedantic" AC_MSG_CHECKING(whether -pedantic is buggy) AC_TRY_COMPILE([ #include <stdlib.h> @interface Foo { void *foo; } @end |
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