+        CFLAGS="$CFLAGS -DARCH_BE"
+        printf "Big Endian\n"
+    fi
+fi
+rm -f fake
+
+printf "Checking for iconv 2nd argument... "
+printf "#include <iconv.h>\nint main(){ const char** src = 0; iconv(0, src, 0, 0, 0); }\n" > build_check.c
+$CC $CFLAGS $LDFLAGS -Werror build_check.c $LIBICONV -o fake > /dev/null 2> /dev/null
+if [ $? != 0 ]
+then
+    printf "non-const\n"
+else
+    DEFS="$DEFS -DCONST_ICONV"
+    printf "const\n"
+fi
+rm -f fake
+
+printf "Checking for -lyajl... "
+pkg-config --version > /dev/null 2> /dev/null
+if [ "$?" = "0" ]
+then
+    pkg-config --atleast-version=2.0.0 yajl
+    if [ "$?" != "0" ]
+    then
+        CHECK_YAJL=no
+        printf "no\n"
+        exit;
+    else
+        CHECK_YAJL=yes
+        printf `pkg-config --modversion yajl`"\n"
+    fi
+else
+    printf "#include <stdio.h>\n" > build_check.c
+    printf "#include <yajl/yajl_version.h>\n" >> build_check.c
+    printf "int main() { printf(\"%%d\", yajl_version()); return 0; }\n" >> build_check.c
+    $CC $CFLAGS $LDFLAGS build_check.c -lyajl -o fake > /dev/null 2> /dev/null
+    if [ $? != 0 ]
+    then
+        CHECK_YAJL=no
+        printf "no\n"
+        exit;
+    else
+        YAJL_VERSION=`./fake`
+        if [ $YAJL_VERSION -ge 20000 ]
+        then
+            CHECK_YAJL=yes
+            printf "${YAJL_VERSION}\n"
+        else
+            CHECK_YAJL=no
+            printf "no. Need at least version 2.0.0, existing version is ${YAJL_VERSION}\n"
+            exit;
+        fi