diff --git nocache.c nocache.c
index 6f8c60d..fa4abff 100644
--- nocache.c
+++ nocache.c
@@ -25,31 +25,47 @@ static void store_pageinfo(int fd);
 static void free_unclaimed_pages(int fd);
 
 int open(const char *pathname, int flags, mode_t mode);
+#if defined(__GLIBC__)
 int open64(const char *pathname, int flags, mode_t mode);
+#endif
 int creat(const char *pathname, int flags, mode_t mode);
+#if defined(__GLIBC__)
 int creat64(const char *pathname, int flags, mode_t mode);
+#endif
 int openat(int dirfd, const char *pathname, int flags, mode_t mode);
+#if defined(__GLIBC__)
 int openat64(int dirfd, const char *pathname, int flags, mode_t mode);
+#endif
 int __openat_2(int dirfd, const char *pathname, int flags, mode_t mode)
     __attribute__ ((alias ("openat")));
 int dup(int oldfd);
 int dup2(int oldfd, int newfd);
 int close(int fd);
 FILE *fopen(const char *path, const char *mode);
+#if defined(__GLIBC__)
 FILE *fopen64(const char *path, const char *mode);
+#endif
 int fclose(FILE *fp);
 
 int (*_original_open)(const char *pathname, int flags, mode_t mode);
+#if defined(__GLIBC__)
 int (*_original_open64)(const char *pathname, int flags, mode_t mode);
+#endif
 int (*_original_creat)(const char *pathname, int flags, mode_t mode);
+#if defined(__GLIBC__)
 int (*_original_creat64)(const char *pathname, int flags, mode_t mode);
+#endif
 int (*_original_openat)(int dirfd, const char *pathname, int flags, mode_t mode);
+#if defined(__GLIBC__)
 int (*_original_openat64)(int dirfd, const char *pathname, int flags, mode_t mode);
+#endif
 int (*_original_dup)(int fd);
 int (*_original_dup2)(int newfd, int oldfd);
 int (*_original_close)(int fd);
 FILE *(*_original_fopen)(const char *path, const char *mode);
+#if defined(__GLIBC__)
 FILE *(*_original_fopen64)(const char *path, const char *mode);
+#endif
 int (*_original_fclose)(FILE *fp);
 
 
@@ -82,16 +98,24 @@ static void init(void)
     assert(fds != NULL);
 
     _original_open = (int (*)(const char *, int, mode_t)) dlsym(RTLD_NEXT, "open");
+#if defined(__GLIBC__)
     _original_open64 = (int (*)(const char *, int, mode_t)) dlsym(RTLD_NEXT, "open64");
+#endif
     _original_creat = (int (*)(const char *, int, mode_t)) dlsym(RTLD_NEXT, "creat");
+#if defined(__GLIBC__)
     _original_creat64 = (int (*)(const char *, int, mode_t)) dlsym(RTLD_NEXT, "creat64");
+#endif
     _original_openat = (int (*)(int, const char *, int, mode_t)) dlsym(RTLD_NEXT, "openat");
+#if defined(__GLIBC__)
     _original_openat64 = (int (*)(int, const char *, int, mode_t)) dlsym(RTLD_NEXT, "openat64");
+#endif
     _original_dup = (int (*)(int)) dlsym(RTLD_NEXT, "dup");
     _original_dup2 = (int (*)(int, int)) dlsym(RTLD_NEXT, "dup2");
     _original_close = (int (*)(int)) dlsym(RTLD_NEXT, "close");
     _original_fopen = (FILE *(*)(const char *, const char *)) dlsym(RTLD_NEXT, "fopen");
+#if defined(__GLIBC__)
     _original_fopen64 = (FILE *(*)(const char *, const char *)) dlsym(RTLD_NEXT, "fopen64");
+#endif
     _original_fclose = (int (*)(FILE *)) dlsym(RTLD_NEXT, "fclose");
 
     if ((error = dlerror()) != NULL)  {
@@ -165,6 +189,7 @@ int open(const char *pathname, int flags, mode_t mode)
     return fd;
 }
 
+#if defined(__GLIBC__)
 int open64(const char *pathname, int flags, mode_t mode)
 {
     int fd;
@@ -177,6 +202,7 @@ int open64(const char *pathname, int flags, mode_t mode)
         store_pageinfo(fd);
     return fd;
 }
+#endif
 
 int creat(const char *pathname, int flags, mode_t mode)
 {
@@ -191,6 +217,7 @@ int creat(const char *pathname, int flags, mode_t mode)
     return fd;
 }
 
+#if defined(__GLIBC__)
 int creat64(const char *pathname, int flags, mode_t mode)
 {
     int fd;
@@ -203,6 +230,7 @@ int creat64(const char *pathname, int flags, mode_t mode)
         store_pageinfo(fd);
     return fd;
 }
+#endif
 
 int openat(int dirfd, const char *pathname, int flags, mode_t mode)
 {
@@ -217,6 +245,7 @@ int openat(int dirfd, const char *pathname, int flags, mode_t mode)
     return fd;
 }
 
+#if defined(__GLIBC__)
 int openat64(int dirfd, const char *pathname, int flags, mode_t mode)
 {
     int fd;
@@ -229,6 +258,7 @@ int openat64(int dirfd, const char *pathname, int flags, mode_t mode)
         store_pageinfo(fd);
     return fd;
 }
+#endif
 
 int dup(int oldfd)
 {
@@ -288,6 +318,7 @@ FILE *fopen(const char *path, const char *mode)
     return fp;
 }
 
+#if defined(__GLIBC__)
 FILE *fopen64(const char *path, const char *mode)
 {
     int fd;
@@ -304,6 +335,7 @@ FILE *fopen64(const char *path, const char *mode)
 
     return fp;
 }
+#endif
 
 int fclose(FILE *fp)
 {
