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path: root/010-gcc-fix-build.patch
blob: a2a07179df8582a8fe291889279f433333a937d2 (plain)
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--- a/gcc/configure
+++ b/gcc/configure
@@ -3318,7 +3318,7 @@ fi
 ## -------------------- ##
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -3949,7 +3949,7 @@ rm -f a.out a.exe b.out
 
 # Find the native compiler
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -4732,13 +4732,13 @@ if test "x$ac_cv_prog_cc_c89" != xno; th
 fi
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -4989,7 +4989,7 @@ else
   fi
 fi
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -5216,7 +5216,7 @@ fi
 
 # Do configure tests with the C++ compiler, since that's what we build with.
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -5322,7 +5322,7 @@ esac
 
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -5449,7 +5449,7 @@ See \`config.log' for more details" "$LI
 fi
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -5777,7 +5777,7 @@ $as_echo "$ac_cv_safe_to_define___extens
 
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -5908,7 +5908,7 @@ See \`config.log' for more details" "$LI
 fi
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -6838,7 +6838,7 @@ else
   wf_opt=
 fi
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -6888,7 +6888,7 @@ fi
   done
 CXXFLAGS="$save_CXXFLAGS"
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -6896,7 +6896,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -6946,14 +6946,14 @@ fi
   done
 CFLAGS="$save_CFLAGS"
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -7003,14 +7003,14 @@ fi
   done
 CXXFLAGS="$save_CXXFLAGS"
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -7060,14 +7060,14 @@ fi
   done
 CFLAGS="$save_CFLAGS"
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -7109,14 +7109,14 @@ fi
 
 fi
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -7133,7 +7133,7 @@ if test $enable_werror_always = yes; the
 fi
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -7154,7 +7154,7 @@ fi
 
 # Disable exceptions and RTTI if building with g++
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -7204,7 +7204,7 @@ fi
   done
 CFLAGS="$save_CFLAGS"
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -9400,7 +9400,7 @@ $as_echo "#define AC_APPLE_UNIVERSAL_BUI
 # ----------------------
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -9529,7 +9529,7 @@ See \`config.log' for more details" >&2;
 fi
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -15226,7 +15226,7 @@ if ${lt_cv_cc_needs_belf+:} false; then
   $as_echo_n "(cached) " >&6
 else
   ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -15250,7 +15250,7 @@ fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
      ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -16313,7 +16313,7 @@ esac
 
 lt_save_CC="$CC"
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -19708,7 +19708,7 @@ $as_echo "$enable_static" >&6; }
 
 fi
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -19719,7 +19719,7 @@ CC="$lt_save_CC"
     ( (test "X$CXX" = "Xg++" && `g++ -v >/dev/null 2>&1` ) ||
     (test "X$CXX" != "Xg++"))) ; then
   ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -19846,7 +19846,7 @@ See \`config.log' for more details" "$LI
 fi
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -19856,7 +19856,7 @@ else
 fi
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
@@ -22721,7 +22721,7 @@ fi
 fi # test "$_lt_caught_CXX_error" != yes
 
 ac_ext=cpp
-ac_cpp='$CXXCPP $CPPFLAGS'
+ac_cpp='$CXXCPP $CPPFLAGS -O2'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
--- a/libiberty/configure
+++ b/libiberty/configure
@@ -2450,7 +2450,7 @@ fi
 ## -------------------- ##
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -2981,7 +2981,7 @@ $as_echo "$as_me: target_header_dir = $t
 
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -3793,14 +3793,14 @@ if test "x$ac_cv_prog_cc_c89" != xno; th
 fi
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -3931,7 +3931,7 @@ See \`config.log' for more details" "$LI
 fi
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -4462,7 +4462,7 @@ fi
 ac_c_preproc_warn_flag=yes
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -4514,14 +4514,14 @@ fi
   done
 CFLAGS="$save_CFLAGS"
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
@@ -4563,7 +4563,7 @@ fi
 
 fi
 ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
+ac_cpp='$CPP $CPPFLAGS -O2'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu