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--- a/gcc/config/i386/t-gnu64	2023-05-06 22:43:39.395795420 +0200
+++ b/gcc/config/i386/t-gnu64	2023-05-06 22:43:39.395795420 +0200
@@ -33,9 +33,19 @@
 comma=,
 MULTILIB_OPTIONS    = $(subst $(comma),/,$(TM_MULTILIB_CONFIG))
 MULTILIB_DIRNAMES   = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS)))
+ifneq (,$(findstring gnux32,$(target)))
 MULTILIB_OSDIRNAMES = m64=../lib64$(call if_multiarch,:x86_64-gnu)
-MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib)$(call if_multiarch,:i386-gnu)
+MULTILIB_OSDIRNAMES+= m32=../lib32$(call if_multiarch,:i386-gnu)
+MULTILIB_OSDIRNAMES+= mx32=../lib$(call if_multiarch,:x86_64-gnux32)
+else ifneq (,$(findstring x86_64,$(target)))
+MULTILIB_OSDIRNAMES = m64=../lib$(call if_multiarch,:x86_64-gnu)
+MULTILIB_OSDIRNAMES+= m32=../lib32$(call if_multiarch,:i386-gnu)
 MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x86_64-gnux32)
+else
+MULTILIB_OSDIRNAMES = m64=../lib64$(call if_multiarch,:x86_64-gnu)
+MULTILIB_OSDIRNAMES+= m32=../lib$(call if_multiarch,:i386-gnu)
+MULTILIB_OSDIRNAMES+= mx32=../libx32$(call if_multiarch,:x86_64-gnux32)
+endif
 
 ifneq (,$(findstring x86_64,$(target)))
   ifneq (,$(findstring biarchx32.h,$(tm_include_list)))