Change __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ for versions > 10.9.

The previous encoding only allowed a single digit for the minor version
number. This changes it to use 2 digits for both the minor version and the
revision number.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215245 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index eae369889ce007759d4c80c6d5e66568c4bdec52..227fefe174c26eb737cdec400e5a1a51bf4fafa8 100644 (file)
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -155,12 +155,23 @@ static void getDarwinDefines(MacroBuilder &Builder, const LangOptions &Opts,
     // revision numbers). So, we limit them to the maximum representable
     // version.
     assert(Maj < 100 && Min < 100 && Rev < 100 && "Invalid version!");
-    char Str[5];
-    Str[0] = '0' + (Maj / 10);
-    Str[1] = '0' + (Maj % 10);
-    Str[2] = '0' + std::min(Min, 9U);
-    Str[3] = '0' + std::min(Rev, 9U);
-    Str[4] = '\0';
+    char Str[7];
+    if (Maj < 10 || (Maj == 10 && Min < 10)) {
+      Str[0] = '0' + (Maj / 10);
+      Str[1] = '0' + (Maj % 10);
+      Str[2] = '0' + std::min(Min, 9U);
+      Str[3] = '0' + std::min(Rev, 9U);
+      Str[4] = '\0';
+    } else {
+      // Handle versions > 10.9.
+      Str[0] = '0' + (Maj / 10);
+      Str[1] = '0' + (Maj % 10);
+      Str[2] = '0' + (Min / 10);
+      Str[3] = '0' + (Min % 10);
+      Str[4] = '0' + (Rev / 10);
+      Str[5] = '0' + (Rev % 10);
+      Str[6] = '\0';
+    }
     Builder.defineMacro("__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__", Str);
   }
 

diff --git a/test/Frontend/darwin-version.c b/test/Frontend/darwin-version.c
index 7234ab48e3b0721f7f2251f481202c71910c6d9b..2e0804baf90efae7f65a9d339f45d5de7a04d011 100644 (file)
--- a/test/Frontend/darwin-version.c
+++ b/test/Frontend/darwin-version.c
@@ -23,3 +23,5 @@
 // RUN: grep '__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__' %t | grep '1050' | count 1
 // RUN: %clang -target i686-apple-darwin9 -mmacosx-version-min=10.6 -dM -E -o %t %s
 // RUN: grep '__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__' %t | grep '1060' | count 1
+// RUN: %clang -target x86_64-apple-macosx -mmacosx-version-min=10.10 -dM -E -o %t %s
+// RUN: grep '__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__' %t | grep '101000' | count 1