Request init/fini array on FreeBSD 12 and later
Summary:
It seems a bad idea to change the default in the middle of a release
branch due to possible changes in global ctor / dtor ordering between
.ctors and .init_array. With FreeBSD 11.0's release imminent lets change
the default now for FreeBSD 12 (the current development stream) and
later.
FreeBSD rtld has supported .init_array / .fini_array for many years. As
of Jan 1 2017 all supported FreeBSD releases and branches will have
support.
Reviewers: dim, brooks, arichardson
Reviewed By: dim, brooks, arichardson
Subscribers: bsdjhb, krytarowski, emaste, cfe-commits
Differential Revision: https://reviews.llvm.org/D24867
llvm-svn: 336008
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 2f632e2..1ecf127 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2543,6 +2543,8 @@
bool UseInitArrayDefault =
getTriple().getArch() == llvm::Triple::aarch64 ||
getTriple().getArch() == llvm::Triple::aarch64_be ||
+ (getTriple().getOS() == llvm::Triple::FreeBSD &&
+ getTriple().getOSMajorVersion() >= 12) ||
(getTriple().getOS() == llvm::Triple::Linux &&
((!GCCInstallation.isValid() || !V.isOlderThan(4, 7, 0)) ||
getTriple().isAndroid())) ||