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-rw-r--r--Modules/CMakeFortranCompilerId.F.in27
1 files changed, 22 insertions, 5 deletions
diff --git a/Modules/CMakeFortranCompilerId.F.in b/Modules/CMakeFortranCompilerId.F.in
index f61a3f26ea..7b1d68bd41 100644
--- a/Modules/CMakeFortranCompilerId.F.in
+++ b/Modules/CMakeFortranCompilerId.F.in
@@ -36,14 +36,31 @@
# define COMPILER_VERSION_MINOR DEC(__INTEL_LLVM_COMPILER/100 % 100)
# define COMPILER_VERSION_PATCH DEC(__INTEL_LLVM_COMPILER % 100)
# endif
+#elif defined(__INTEL_COMPILER) && __INTEL_COMPILER == 201900
+ PRINT *, 'INFO:compiler[IntelLLVM]'
+! ifx 2021.1 forgot to define __INTEL_LLVM_COMPILER.
+! Instead it defines __INTEL_COMPILER == 201900.
+# define COMPILER_VERSION_MAJOR DEC(2021)
+# define COMPILER_VERSION_MINOR DEC(1)
+# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE)
+# define COMPILER_VERSION_TWEAK DEC(__INTEL_COMPILER_BUILD_DATE)
#elif defined(__INTEL_COMPILER) || defined(__ICC)
PRINT *, 'INFO:compiler[Intel]'
-# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER/100)
-# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER/10 % 10)
-# if defined(__INTEL_COMPILER_UPDATE)
-# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE)
+! __INTEL_COMPILER = VRP prior to 2021, and then VVVV for 2021 and later.
+# if __INTEL_COMPILER < 2021
+# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER/100)
+# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER/10 % 10)
+# if defined(__INTEL_COMPILER_UPDATE)
+# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER_UPDATE)
+# else
+# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER % 10)
+# endif
# else
-# define COMPILER_VERSION_PATCH DEC(__INTEL_COMPILER % 10)
+# define COMPILER_VERSION_MAJOR DEC(__INTEL_COMPILER)
+# define COMPILER_VERSION_MINOR DEC(__INTEL_COMPILER_UPDATE)
+! The third version component from --version is an update index,
+! but no macro is provided for it.
+# define COMPILER_VERSION_PATCH DEC(0)
# endif
# if defined(__INTEL_COMPILER_BUILD_DATE)
# define COMPILER_VERSION_TWEAK DEC(__INTEL_COMPILER_BUILD_DATE)