Some more Solaris fixes. Now successfully building libc++ on Solaris with clang (and linking clang against it).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151632 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 92dd54b..b6ccce3 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -490,10 +490,20 @@
Builder.defineMacro("__ELF__");
Builder.defineMacro("__svr4__");
Builder.defineMacro("__SVR4");
- Builder.defineMacro("_XOPEN_SOURCE", "500");
+ // Solaris headers require _XOPEN_SOURCE to be set to 600 for C99 and
+ // newer, but to 500 for everything else. feature_test.h has a check to
+ // ensure that you are not using C99 with an old version of X/Open or C89
+ // with a new version.
+ if (Opts.C99 || Opts.C11)
+ Builder.defineMacro("_XOPEN_SOURCE", "600");
+ else
+ Builder.defineMacro("_XOPEN_SOURCE", "500");
+ if (Opts.CPlusPlus0x)
+ Builder.defineMacro("__C99FEATURES__");
Builder.defineMacro("_LARGEFILE_SOURCE");
Builder.defineMacro("_LARGEFILE64_SOURCE");
Builder.defineMacro("__EXTENSIONS__");
+ Builder.defineMacro("_REENTRANT");
}
public:
SolarisTargetInfo(const std::string& triple)