Ignore cross-compile root path when finding programs

Author: bandoti

ggml/src/ggml-vulkan/CMakeLists.txt

@@ -5,9 +5,9 @@ find_package(Vulkan COMPONENTS glslc REQUIRED)
 
 function(detect_host_compiler)
     if (CMAKE_HOST_SYSTEM_NAME STREQUAL "Windows")
-        find_program(MSVC_COMPILER cl)
-        find_program(GNU_C_COMPILER gcc)
-        find_program(GNU_CXX_COMPILER g++)
+        find_program(MSVC_COMPILER    cl  NO_CMAKE_FIND_ROOT_PATH)
+        find_program(GNU_C_COMPILER   gcc NO_CMAKE_FIND_ROOT_PATH)
+        find_program(GNU_CXX_COMPILER g++ NO_CMAKE_FIND_ROOT_PATH)
         if (MSVC_COMPILER)
             set(HOST_C_COMPILER "${MSVC_COMPILER}" PARENT_SCOPE)
             set(HOST_CXX_COMPILER "${MSVC_COMPILER}" PARENT_SCOPE)
@@ -18,10 +18,10 @@ function(detect_host_compiler)
             message(WARNING "Neither MSVC nor clang found")
         endif()
     else()
-        find_program(CLANG_C_COMPILER clang)
-        find_program(CLANG_CXX_COMPILER clang++)
-        find_program(GNU_C_COMPILER gcc)
-        find_program(GNU_CXX_COMPILER g++)
+        find_program(CLANG_C_COMPILER   clang   NO_CMAKE_FIND_ROOT_PATH)
+        find_program(CLANG_CXX_COMPILER clang++ NO_CMAKE_FIND_ROOT_PATH)
+        find_program(GNU_C_COMPILER     gcc     NO_CMAKE_FIND_ROOT_PATH)
+        find_program(GNU_CXX_COMPILER   g++     NO_CMAKE_FIND_ROOT_PATH)
         if (GNU_C_COMPILER AND GNU_CXX_COMPILER)
             set(HOST_C_COMPILER "${GNU_C_COMPILER}" PARENT_SCOPE)
             set(HOST_CXX_COMPILER "${GNU_CXX_COMPILER}" PARENT_SCOPE)