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authorEli Friedman <eli.friedman@gmail.com>2011-11-02 01:53:16 +0000
committerEli Friedman <eli.friedman@gmail.com>2011-11-02 01:53:16 +0000
commit19bda3ad8b5d37e505214e82fab1d0a0bf00f0fd (patch)
tree5bab9a12f1c322b03c9568ada2feb49043e664c3 /lib/Driver/Tools.cpp
parent48a98c7a8467a9570d2fc7f2aab7f5273a3e218e (diff)
Add an option to emulate the strange Apple gcc behavior of #pragma pack.
<rdar://problem/10374763> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143527 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/Tools.cpp')
-rw-r--r--lib/Driver/Tools.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 4db6d007fc..1a8c2e834c 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2171,6 +2171,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args);
}
+ if (Args.hasFlag(options::OPT_fapple_pragma_pack,
+ options::OPT_fno_apple_pragma_pack, false))
+ CmdArgs.push_back("-fapple-pragma-pack");
+
// Default to -fno-builtin-str{cat,cpy} on Darwin for ARM.
//
// FIXME: This is disabled until clang -cc1 supports -fno-builtin-foo. PR4941.