From 8272dfc552eedb0e4b4e3ce4c0c9882705e99a28 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Fri, 3 Mar 2023 00:21:59 +0100
Subject: [PATCH] Handle unrecognized ASM compiler (from Arm Compiler 22.1)

---
 cmake/prebuild.cmake | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/cmake/prebuild.cmake b/cmake/prebuild.cmake
index f32162f04..6a375114a 100644
--- a/cmake/prebuild.cmake
+++ b/cmake/prebuild.cmake
@@ -1322,13 +1322,22 @@ else(NOT CMAKE_CROSSCOMPILING)
   file(MAKE_DIRECTORY ${GETARCH_DIR})
   configure_file(${TARGET_CONF_TEMP} ${GETARCH_DIR}/${TARGET_CONF} COPYONLY)
   if (NOT "${CMAKE_SYSTEM_NAME}" STREQUAL "WindowsStore")
-    try_compile(GETARCH_RESULT ${GETARCH_DIR}
-      SOURCES ${GETARCH_SRC}
-    COMPILE_DEFINITIONS ${EXFLAGS} ${GETARCH_FLAGS} -I"${GETARCH_DIR}" -I"${PROJECT_SOURCE_DIR}" -I"${PROJECT_BINARY_DIR}"
-      OUTPUT_VARIABLE GETARCH_LOG
-      COPY_FILE ${PROJECT_BINARY_DIR}/${GETARCH_BIN}
-    )
-
+    if (CMAKE_ASM_COMPILER_ID STREQUAL "")
+      try_compile(GETARCH_RESULT ${GETARCH_DIR}
+        SOURCES ${GETARCH_SRC}
+        CMAKE_FLAGS "-DCMAKE_ASM_COMPILER=${CMAKE_C_COMPILER}"
+        COMPILE_DEFINITIONS ${EXFLAGS} ${GETARCH_FLAGS} -I"${GETARCH_DIR}" -I"${PROJECT_SOURCE_DIR}" -I"${PROJECT_BINARY_DIR}"
+        OUTPUT_VARIABLE GETARCH_LOG
+        COPY_FILE ${PROJECT_BINARY_DIR}/${GETARCH_BIN}
+      )
+    else()
+      try_compile(GETARCH_RESULT ${GETARCH_DIR}
+        SOURCES ${GETARCH_SRC}
+        COMPILE_DEFINITIONS ${EXFLAGS} ${GETARCH_FLAGS} -I"${GETARCH_DIR}" -I"${PROJECT_SOURCE_DIR}" -I"${PROJECT_BINARY_DIR}"
+        OUTPUT_VARIABLE GETARCH_LOG
+        COPY_FILE ${PROJECT_BINARY_DIR}/${GETARCH_BIN}
+      )
+    endif()
     if (NOT ${GETARCH_RESULT})
       MESSAGE(FATAL_ERROR "Compiling getarch failed ${GETARCH_LOG}")
     endif ()