closes bpo-31696: don't mention GCC in sys.version when building with clang (#3891)

7faf7e50 · Benjamin Peterson · GitHub · ac317700 · 7faf7e50 · 7faf7e50
Kaydet (Commit) 7faf7e50 authored Eki 06, 2017 tarafından Benjamin Peterson Kaydeden (comit) GitHub Eki 06, 2017
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2017-10-04-23-40-32.bpo-31696.Y3_aBV.rst ...EWS.d/next/Build/2017-10-04-23-40-32.bpo-31696.Y3_aBV.rst +2 -0

getcompiler.c Python/getcompiler.c +7 -8

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--- a/Misc/NEWS.d/next/Build/2017-10-04-23-40-32.bpo-31696.Y3_aBV.rst
+++ b/Misc/NEWS.d/next/Build/2017-10-04-23-40-32.bpo-31696.Y3_aBV.rst
+Improve compiler version information in :data:`sys.version` when Python is
+built with Clang.
--- a/Python/getcompiler.c
+++ b/Python/getcompiler.c
@@ -5,15 +5,14 @@

 #ifndef COMPILER

-#ifdef __GNUC__
+// Note the __clang__ conditional has to come before the __GNUC__ one because
+// clang pretends to be GCC.
+#if defined(__clang__)
+#define COMPILER "\n[Clang " __clang_version__ "]"
+#elif defined(__GNUC__)
 #define COMPILER "\n[GCC " __VERSION__ "]"
-#endif
-
-#endif /* !COMPILER */
-
-#ifndef COMPILER
-
-#ifdef __cplusplus
+// Generic fallbacks.
+#elif defined(__cplusplus)
 #define COMPILER "[C++]"
 #else
 #define COMPILER "[C]"