diff --git a/configure b/configure
index ede0137c..cabb0772 100755
--- a/configure
+++ b/configure
@@ -114,6 +114,90 @@ else
     debug=''
 fi
 
+
+#event
+event_flag="-DMLN_SELECT"
+
+echo "#include<stdio.h>
+#include<sys/epoll.h>
+int main(void){epoll_create(10);return 0;}" > ev_test.c
+$cc -o ev_test ev_test.c 2>/dev/null
+if [ "$?" == "0" ]; then
+    event_flag="-DMLN_EPOLL"
+    echo -e "event\t\t\t[EPOLL]"
+    rm -f ev_test ev_test.c
+fi
+
+echo "#include<stdio.h>
+#include<sys/types.h>
+#include<sys/event.h>
+#include<sys/time.h>
+int main(void){kqueue();return 0;}" > ev_test.c
+$cc -o ev_test ev_test.c 2>/dev/null
+if [ "$?" == "0" ]; then
+    event_flag="-DMLN_KQUEUE"
+    echo -e "event\t\t\t[KQUEUE]"
+    rm -f ev_test ev_test.c
+fi
+rm -f ev_test ev_test.c
+echo -e "event\t\t\t[SELECT]"
+
+
+#sendfile
+sendfile_flag=""
+echo "#include <sys/sendfile.h>
+int main(void){sendfile(1,0,0,1);return 0;}" > sendfile_test.c
+$cc -o sendfile_test sendfile_test.c 2>/dev/null
+if [ "$?" == "0" ]; then
+    sendfile_flag="-DMLN_SENDFILE"
+    echo -e "sendfile\t\t[support]"
+else
+    echo -e "sendfile\t\t[NOT support]"
+fi
+rm -f sendfile_test sendfile_test.c
+
+
+#writev
+writev_flag=""
+echo -e "#include <stdio.h>\n#include <sys/uio.h>" > writev_test.c
+echo "int main(void){writev(0,NULL,0);return 0;}" >> writev_test.c
+$cc -o writev_test writev_test.c 2>/dev/null
+if [ "$?" == "0" ]; then
+    writev_flag="-DMLN_WRITEV"
+    echo -e "writev\t\t\t[support]"
+else
+    echo -e "writev\t\t\t[NOT support]"
+fi
+rm -f writev_test writev_test.c
+
+
+#unix98
+unix98_flag=""
+echo -e "#ifndef __USE_UNIX98\n#define __USE_UNIX98\n#endif\n#include <pthread.h>\n" > unix98_test.c
+echo "int main(void){pthread_setconcurrency(0);return 0;}" >> unix98_test.c
+$cc -o unix98_test unix98_test.c -lpthread 2>/dev/null
+if [ "$?" == "0" ]; then
+    echo -e "__USE_UNIX98\t\t[support]"
+    unix98_flag="-DMLN_USE_UNIX98"
+else
+    echo -e "__USE_UNIX98\t\t[not support]"
+fi
+rm -fr unix98_test unix98_test.c
+
+
+#mmap
+mmap_flag=""
+echo -e "#include <stdio.h>\n#include <sys/mman.h>" >> mmap_test.c
+echo "int main(void){mmap(NULL, 0, PROT_READ, MAP_PRIVATE, 0, 0);return 0;}" >> mmap_test.c
+$cc -o mmap_test mmap_test.c 2>/dev/null
+if [ "$?" == "0" ]; then
+    mmap_flag="-DMLN_MMAP"
+    echo -e "mmap\t\t\t[support]"
+else
+    echo -e "mmap\t\t\t[NOT support]"
+fi
+rm -f mmap_test mmap_test.c
+
 #output installation path
 echo -e "Installation Path \t[$install_path]"
 echo -e "Melang script Path \t[$melang_script_path]"
@@ -210,7 +294,7 @@ echo "}" >> src/mln_path.c
 get_source_files() {
     files=()
     if [ $1 = 'all' ]; then
-        for f in `find src/ -name "*.c"`
+        for f in `find src -name "*.c"`
         do
             files+=$f" "
         done
@@ -221,7 +305,7 @@ get_source_files() {
         do
             IFS=$old_ifs
             fname='mln_'$f'.c'
-            fname=`find src/ -name $fname`
+            fname=`find src -name $fname`
             if [ -z $fname ]; then
                 echo "[$f] not found"
                 exit 1
@@ -232,7 +316,7 @@ get_source_files() {
                 suffix=`echo $header | cut -d '.' -f 2`
                 if [ $suffix == 'h' ]; then
                     source_file=`echo $header | cut -d '.' -f 1`'.c'
-                    source_file=`find src/ -name $source_file`
+                    source_file=`find src -name $source_file`
                     if [ ! -z $source_file ]; then
                         if [[ ! "${files[@]}" =~ $source_file ]]; then
                             files+=$source_file" "
@@ -342,99 +426,9 @@ do
 
     if [ $wasm -eq 1 ]; then
         echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname" >> Makefile
-        continue
-    fi
-
-    test $fname = "./src/mln_event.c"
-    if [ $? -eq 0 ]; then
-    #test event system call
-        echo "#include<stdio.h>
-        #include<sys/epoll.h>
-        int main(void){epoll_create(10);return 0;}" > ev_test.c
-        $cc -o ev_test ev_test.c 2>/dev/null
-        if [ "$?" == "0" ]; then
-            echo -e "event\t\t\t[EPOLL]"
-            echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_EPOLL" >> Makefile
-            rm -f ev_test ev_test.c
-            continue
-        fi
-
-        echo "#include<stdio.h>
-        #include<sys/types.h>
-        #include<sys/event.h>
-        #include<sys/time.h>
-        int main(void){kqueue();return 0;}" > ev_test.c
-        $cc -o ev_test ev_test.c 2>/dev/null
-        if [ "$?" == "0" ]; then
-            echo -e "event\t\t\t[KQUEUE]"
-            echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_KQUEUE" >> Makefile
-            rm -f ev_test ev_test.c
-            continue
-        fi
-        rm -f ev_test ev_test.c
-
-        echo -e "event\t\t\t[SELECT]"
-        echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_SELECT" >> Makefile
-        continue
-    fi
-
-    #test sendfile & writev
-    test $fname = "./src/mln_connection.c"
-    if [ $? -eq 0 ]; then
-        sendfile=0
-        echo "#include <sys/sendfile.h>
-        int main(void){sendfile(1,0,0,1);return 0;}" > sendfile_test.c
-        $cc -o sendfile_test sendfile_test.c 2>/dev/null
-        if [ "$?" == "0" ]; then
-            sendfile=1
-            echo -e "sendfile\t\t[support]"
-        else
-            echo -e "sendfile\t\t[NOT support]"
-        fi
-        rm -f sendfile_test sendfile_test.c
-
-        #test writev
-        echo -e "#include <stdio.h>\n#include <sys/uio.h>" > writev_test.c
-        echo "int main(void){writev(0,NULL,0);return 0;}" >> writev_test.c
-        $cc -o writev_test writev_test.c 2>/dev/null
-        if [ "$?" == "0" ]; then
-            echo -e "writev\t\t\t[support]"
-            if [ $sendfile -eq "1" ]; then
-                echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_SENDFILE -DMLN_WRITEV" >> Makefile
-            else
-                echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_WRITEV" >> Makefile
-            fi
-        else
-            echo -e "writev\t\t\t[NOT support]"
-            if [ $sendfile -eq "1" ]; then
-                echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_SENDFILE" >> Makefile
-            else
-                echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname" >> Makefile
-            fi
-        fi
-        rm -f writev_test writev_test.c
-        continue
-    fi
-
-    #test __USE_UNIX98
-    test $fname = "./src/mln_thread_pool.c"
-    if [ $? -eq 0 ]; then
-        unix98=0
-        echo -e "#ifndef __USE_UNIX98\n#define __USE_UNIX98\n#endif\n#include <pthread.h>\n" > unix98_test.c
-        echo "int main(void){pthread_setconcurrency(0);return 0;}" >> unix98_test.c
-        $cc -o unix98_test unix98_test.c -lpthread 2>/dev/null
-        if [ "$?" == "0" ]; then
-            echo -e "__USE_UNIX98\t\t[support]"
-            echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname -DMLN_USE_UNIX98" >> Makefile
-        else
-            echo -e "__USE_UNIX98\t\t[not support]"
-            echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname" >> Makefile
-        fi
-        rm -fr unix98_test unix98_test.c
-        continue
+    else
+        echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname $event_flag $sendfile_flag $writev_flag $unix98_flag $mmap_flag" >> Makefile
     fi
-
-    echo -e "\t\$(CC) \$(FLAGS) -o \$@ $fname" >> Makefile
 done
 
 #generate conf file
diff --git a/include/mln_alloc.h b/include/mln_alloc.h
index 5d5822f4..87abebd9 100644
--- a/include/mln_alloc.h
+++ b/include/mln_alloc.h
@@ -12,9 +12,6 @@
 #else
 #include <sys/mman.h>
 #endif
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include "mln_types.h"
 
 typedef int (*mln_alloc_shm_lock_cb_t)(void *);
diff --git a/src/mln_alloc.c b/src/mln_alloc.c
index 9dd65668..2aabc3e8 100644
--- a/src/mln_alloc.c
+++ b/src/mln_alloc.c
@@ -5,6 +5,8 @@
 
 #include "mln_alloc.h"
 #include "mln_utils.h"
+#include <stdlib.h>
+#include <string.h>
 
 
 MLN_CHAIN_FUNC_DECLARE(mln_blk, \
@@ -119,8 +121,12 @@ mln_alloc_t *mln_alloc_shm_init(struct mln_alloc_shm_attr_s *attr)
     pool->map_handle = handle;
 #else
 
+#if defined(MLN_MMAP)
     pool = (mln_alloc_t *)mmap(NULL, attr->size, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANON, -1, 0);
     if (pool == NULL) return NULL;
+#else
+    return NULL;
+#endif
 #endif
     pool->parent = NULL;
     pool->large_used_head = pool->large_used_tail = NULL;
@@ -219,7 +225,9 @@ void mln_alloc_destroy(mln_alloc_t *pool)
         UnmapViewOfFile(pool->mem);
         CloseHandle(handle);
 #else
+#if defined(MLN_MMAP)
         munmap(pool->mem, pool->shm_size);
+#endif
 #endif
     }
     if (parent != NULL && mln_alloc_is_shm(parent))
diff --git a/src/mln_chain.c b/src/mln_chain.c
index 648facfa..fab418be 100644
--- a/src/mln_chain.c
+++ b/src/mln_chain.c
@@ -14,7 +14,7 @@ mln_buf_t *mln_buf_new(mln_alloc_t *pool)
     b->file_left_pos = b->file_pos = b->file_last = 0;
     b->file = NULL;
     b->temporary = b->in_memory = b->in_file = 0;
-#if !defined(WIN32)
+#if !defined(WIN32) && defined(MLN_MMAP)
     b->mmap = 0;
 #endif
     b->flush = b->sync = b->last_buf = b->last_in_chain = 0;
@@ -39,7 +39,7 @@ void mln_buf_pool_release(mln_buf_t *b)
     }
 
     if (b->in_memory) {
-#if !defined(WIN32)
+#if !defined(WIN32) && defined(MLN_MMAP)
         if (b->mmap) {
             if (b->start != NULL) {
                 munmap(b->start, b->end - b->start);
@@ -53,7 +53,7 @@ void mln_buf_pool_release(mln_buf_t *b)
             } else {
                 mln_alloc_free(b->pos);
             }
-#if !defined(WIN32)
+#if !defined(WIN32) && defined(MLN_MMAP)
         }
 #endif
         mln_alloc_free(b);