Merge pull request #2794 from ye-luo/update-multi

More traps for bad combination of Intel and libstdc++
QMCPACK · Nov 17, 2020 · 12b90fb · 12b90fb
2 parents 60a7f2a + 66eed1f
commit 12b90fb
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/CMake/Testlibstdc++.cmake b/CMake/Testlibstdc++.cmake
@@ -12,6 +12,13 @@ int main(int argc, char **argv)
 // It is kept here as an exmple for the future.
 #if ( defined(__INTEL_COMPILER) && (  _GLIBCXX_RELEASE < 7 ) )
 #error too old libstdc++ from GNU for Intel compilers, use GNU version >= 7
+#endif
+// libstdc++ from GCC 8 is bad for Intel 19 in both C++14 and C++17
+#if ( ( __INTEL_COMPILER == 1900 ) && (  _GLIBCXX_RELEASE > 7 ) )
+#error too new libstdc++ from GNU for Intel 19, use GNU version <= 7
+#endif
+#if ( ( __INTEL_COMPILER == 1910 ) && (  _GLIBCXX_RELEASE > 9 ) )
+#error too new libstdc++ from GNU for Intel 20, use GNU version <= 9
 #endif
     return 0;
 }