var/spack/repos/builtin/packages/mapl/esma_cmake_apple_m1_rosetta.patch


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

diff --git a/compiler/flags/GNU_Fortran.cmake b/compiler/flags/GNU_Fortran.cmake
index 6329d3c..1014b9c 100644
--- a/ESMA_cmake/compiler/flags/GNU_Fortran.cmake
+++ b/ESMA_cmake/compiler/flags/GNU_Fortran.cmake
@@ -131,6 +131,12 @@ elseif (${proc_decription} MATCHES "Intel")
   set (GNU_NATIVE_ARCH "native")
   set (PREFER_AVX128 "-mprefer-avx128")
   set (NO_FMA "-mno-fma")
+elseif (${proc_decription} MATCHES "Apple M1" AND ${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "x86_64")
+   # Rosetta 2 emulator of x86_64 architecture on Apple Silicon
+   set (GNU_TARGET_ARCH "westmere")
+   set (GNU_NATIVE_ARCH "native")
+   set (PREFER_AVX128 "-mprefer-avx128")
+   set (NO_FMA "-mno-fma")
 else ()
   message(FATAL_ERROR "Unknown processor. Please file an issue at https://github.com/GEOS-ESM/ESMA_cmake")
 endif ()