[llvm] r368253 - Revert "Temporarily bump minimum compiler version"

[JF Bastien via llvm-commits]

Author: jfb
Date: Wed Aug  7 22:47:59 2019
New Revision: 368253

URL: http://llvm.org/viewvc/llvm-project?rev=368253&view=rev
Log:
Revert "Temporarily bump minimum compiler version"

It's been in for more than 30 min and no bots have complained. Let's see if some
slow ones catch up. I'll do another manual pass on bots later (in case some that
were down are back up), and then turn this on permanently through a regular
review.

Modified:
    llvm/trunk/cmake/modules/CheckCompilerVersion.cmake

Modified: llvm/trunk/cmake/modules/CheckCompilerVersion.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/CheckCompilerVersion.cmake?rev=368253&r1=368252&r2=368253&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/CheckCompilerVersion.cmake (original)
+++ llvm/trunk/cmake/modules/CheckCompilerVersion.cmake Wed Aug  7 22:47:59 2019
@@ -4,11 +4,11 @@
 
 include(CheckCXXSourceCompiles)
 
-set(GCC_MIN 5.1)
+set(GCC_MIN 4.8)
 set(GCC_SOFT_ERROR 5.1)
-set(CLANG_MIN 3.5)
+set(CLANG_MIN 3.1)
 set(CLANG_SOFT_ERROR 3.5)
-set(APPLECLANG_MIN 6.0)
+set(APPLECLANG_MIN 3.1)
 set(APPLECLANG_SOFT_ERROR 6.0)
 
 # https://en.wikipedia.org/wiki/Microsoft_Visual_C#Internal_version_numbering
@@ -17,7 +17,7 @@ set(MSVC_MIN 19.1)
 set(MSVC_SOFT_ERROR 19.1)
 
 # Map the above GCC versions to dates: https://gcc.gnu.org/develop.html#timeline
-set(GCC_MIN_DATE 20150422)
+set(GCC_MIN_DATE 20130322)
 set(GCC_SOFT_ERROR_DATE 20150422)