configure: Only use -m32 on x86-* 32 bit systems

Author: richo

configure

@@ -1043,51 +1043,71 @@ do
 
         case "$CFG_CC" in
             ("ccache clang")
-            LLVM_CXX_32="ccache clang++ -m32 -Qunused-arguments"
-            LLVM_CC_32="ccache clang -m32 -Qunused-arguments"
+            LLVM_CXX_32="ccache clang++ -Qunused-arguments"
+            LLVM_CC_32="ccache clang -Qunused-arguments"
 
             LLVM_CXX_64="ccache clang++ -Qunused-arguments"
             LLVM_CC_64="ccache clang -Qunused-arguments"
             ;;
             ("clang")
-            LLVM_CXX_32="clang++ -m32 -Qunused-arguments"
-            LLVM_CC_32="clang -m32 -Qunused-arguments"
+            LLVM_CXX_32="clang++ -Qunused-arguments"
+            LLVM_CC_32="clang -Qunused-arguments"
 
             LLVM_CXX_64="clang++ -Qunused-arguments"
             LLVM_CC_64="clang -Qunused-arguments"
             ;;
             ("ccache gcc")
-            LLVM_CXX_32="ccache g++ -m32"
-            LLVM_CC_32="ccache gcc -m32"
+            LLVM_CXX_32="ccache g++"
+            LLVM_CC_32="ccache gcc"
 
             LLVM_CXX_64="ccache g++"
             LLVM_CC_64="ccache gcc"
             ;;
             ("gcc")
-            LLVM_CXX_32="g++ -m32"
-            LLVM_CC_32="gcc -m32"
+            LLVM_CXX_32="g++"
+            LLVM_CC_32="gcc"
 
             LLVM_CXX_64="g++"
             LLVM_CC_64="gcc"
             ;;
 
             (*)
             msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
-            LLVM_CXX_32="$CXX -m32"
-            LLVM_CC_32="$CC -m32"
+            LLVM_CXX_32="$CXX"
+            LLVM_CC_32="$CC"
 
             LLVM_CXX_64="$CXX"
             LLVM_CC_64="$CC"
             ;;
         esac
 
-        LLVM_CFLAGS_32="-m32"
-        LLVM_CXXFLAGS_32="-m32"
-        LLVM_LDFLAGS_32="-m32"
+        case "$CFG_CPUTYPE" in
+            (x86*)
+                LLVM_CXX_32="$LLVM_CXX_32 -m32"
+                LLVM_CC_32="$LLVM_CC_32 -m32"
 
-        LLVM_CFLAGS_64=""
-        LLVM_CXXFLAGS_64=""
-        LLVM_LDFLAGS_64=""
+                LLVM_CFLAGS_32="-m32"
+                LLVM_CXXFLAGS_32="-m32"
+                LLVM_LDFLAGS_32="-m32"
+
+                LLVM_CFLAGS_64=""
+                LLVM_CXXFLAGS_64=""
+                LLVM_LDFLAGS_64=""
+
+                LLVM_CXX_32="$LLVM_CXX_32 -m32"
+                LLVM_CC_32="$LLVM_CC_32 -m32"
+                ;;
+
+            (*)
+                LLVM_CFLAGS_32=""
+                LLVM_CXXFLAGS_32=""
+                LLVM_LDFLAGS_32=""
+
+                LLVM_CFLAGS_64=""
+                LLVM_CXXFLAGS_64=""
+                LLVM_LDFLAGS_64=""
+                ;;
+        esac
 
         if echo $t | grep -q x86_64
         then