remove fPIC for target amiga

configure

@@ -6650,7 +6650,13 @@ case " $configdirs " in
   *" lto-plugin "* | *" libcc1 "*)
     # When these are to be built as shared libraries, the same applies to
     # libiberty.
-    extra_host_libiberty_configure_flags=--enable-shared
+     case $host in
+        *-amigaos*)
+        ;;
+        *)
+         extra_host_libiberty_configure_flags=--enable-shared
+        ;;
+      esac
     ;;
   *" bfd "*)
     # When bfd is to be built as a shared library, the same applies to

gcc/configure

@@ -29433,9 +29433,15 @@ else
   PICFLAG=
 fi
 
-
-
-
+case $host_os in
+    amigaos*)
+      case $host_cpu in
+      m68k)
+        PICFLAG=
+      ;;
+    esac
+  ;;
+esac
 
 # Check whether --enable-libquadmath-support was given.
 if test "${enable_libquadmath_support+set}" = set; then :

libbacktrace/configure

@@ -11717,6 +11717,15 @@ else
   PIC_FLAG=
 fi
 
+case $host_os in
+    amigaos*)
+      case $host_cpu in
+      m68k)
+        PIC_FLAG=
+      ;;
+    esac
+  ;;
+esac
 
 
 # Test for __sync support.

libcpp/configure

@@ -7353,7 +7353,15 @@ else
   PICFLAG=
 fi
 
-
+case $host_os in
+    amigaos*)
+      case $host_cpu in
+      m68k)
+        PICFLAG=
+      ;;
+    esac
+  ;;
+esac
 
 # Output.
 

libdecnumber/configure

@@ -4900,7 +4900,15 @@ else
   PICFLAG=
 fi
 
-
+case $host_os in
+    amigaos*)
+      case $host_cpu in
+      m68k)
+        PICFLAG=
+      ;;
+    esac
+  ;;
+esac
 
 # Output.
 

zlib/configure

@@ -7445,7 +7445,7 @@ $as_echo_n "checking for $compiler option to produce PIC... " >&6; }
             # FIXME: we need at least 68020 code to build shared libraries, but
             # adding the `-m68020' flag to GCC prevents building anything better,
             # like `-m68040'.
-            lt_prog_compiler_pic='-m68020 -resident32 -malways-restore-a4'
+            lt_prog_compiler_pic='--invalid'
         ;;
       esac
       ;;
@@ -11215,7 +11215,15 @@ else
   PICFLAG=
 fi
 
-
+case $host_os in
+    amigaos*)
+      case $host_cpu in
+      m68k)
+        PICFLAG=
+      ;;
+    esac
+  ;;
+esac
 
 ac_config_files="$ac_config_files Makefile"