$NetBSD: patch-lib_Basic_Targets_OSTargets.h,v 1.4 2019/10/19 13:54:29 adam Exp $
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Sync SunOS default defines with a working reality.
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diff -wpruN '--exclude=*.orig' a~/lib/Basic/Targets/OSTargets.h a/lib/Basic/Targets/OSTargets.h
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--- a~/tools/clang/lib/Basic/Targets/OSTargets.h 1970-01-01 00:00:00
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+++ a/tools/clang/lib/Basic/Targets/OSTargets.h 1970-01-01 00:00:00
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@@ -628,22 +628,15 @@ protected:
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Builder.defineMacro("__ELF__");
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Builder.defineMacro("__svr4__");
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Builder.defineMacro("__SVR4");
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- // Solaris headers require _XOPEN_SOURCE to be set to 600 for C99 and
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- // newer, but to 500 for everything else. feature_test.h has a check to
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- // ensure that you are not using C99 with an old version of X/Open or C89
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- // with a new version.
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- if (Opts.C99)
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- Builder.defineMacro("_XOPEN_SOURCE", "600");
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- else
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- Builder.defineMacro("_XOPEN_SOURCE", "500");
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+ // Compatibility with GCC to satisfy <sys/feature_tests.h> requirements.
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if (Opts.CPlusPlus) {
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- Builder.defineMacro("__C99FEATURES__");
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+ Builder.defineMacro("__STDC_VERSION__", "199901L");
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+ Builder.defineMacro("_XOPEN_SOURCE", "600");
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Builder.defineMacro("_FILE_OFFSET_BITS", "64");
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- }
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- // GCC restricts the next two to C++.
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Builder.defineMacro("_LARGEFILE_SOURCE");
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Builder.defineMacro("_LARGEFILE64_SOURCE");
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Builder.defineMacro("__EXTENSIONS__");
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+ }
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if (Opts.POSIXThreads)
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Builder.defineMacro("_REENTRANT");
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if (this->HasFloat128)
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