diff --git a/src/common/secret.c b/src/common/secret.c
index b6f26ec3..1b4531f8 100644
--- a/src/common/secret.c
+++ b/src/common/secret.c
@@ -63,9 +63,18 @@ int set_kernel_secret(const char *secret, const char *key_name)
 
   ret = ceph_unarmor(payload, payload+sizeof(payload), secret, secret+secret_len);
   if (ret < 0) {
-    char error_buf[80];
-    fprintf(stderr, "secret is not valid base64: %s.\n",
-	    strerror_r(-ret, error_buf, sizeof(error_buf)));
+    char error_buf[80] = "unkown error";
+    char *p;
+#if defined(__GLIBC__)
+    p = strerror_r(-ret, error_buf, sizeof(error_buf));
+#else
+    if (strerror_r(-ret, error_buf, sizeof(error_buf)) < 0) {
+      p = "unkown error";
+    } else {
+      p = error_buf;
+    }
+#endif
+    fprintf(stderr, "secret is not valid base64: %s.\n", p);
     return ret;
   }
 
diff --git a/src/dmclock/src/dmclock_util.cc b/src/dmclock/src/dmclock_util.cc
index e8046cdc..aa9000bc 100644
--- a/src/dmclock/src/dmclock_util.cc
+++ b/src/dmclock/src/dmclock_util.cc
@@ -21,7 +21,7 @@
 #include "dmclock_util.h"
 
 
-std::string crimson::dmclock::format_time(const Time& time, uint modulo) {
+std::string crimson::dmclock::format_time(const Time& time, unsigned int modulo) {
   long subtract = long(time / modulo) * modulo;
   std::stringstream ss;
   ss << std::fixed << std::setprecision(4) << (time - subtract);
diff --git a/src/dmclock/src/dmclock_util.h b/src/dmclock/src/dmclock_util.h
index d3fd3f19..ee8b6c3a 100644
--- a/src/dmclock/src/dmclock_util.h
+++ b/src/dmclock/src/dmclock_util.h
@@ -52,7 +52,7 @@ namespace crimson {
 #endif
     }
 
-    std::string format_time(const Time& time, uint modulo = 1000);
+    std::string format_time(const Time& time, unsigned int modulo = 1000);
 
     void debugger();
 
diff --git a/src/seastar/dpdk/config/common_base b/src/seastar/dpdk/config/common_base
index 8907bea3..6d3f7577 100644
--- a/src/seastar/dpdk/config/common_base
+++ b/src/seastar/dpdk/config/common_base
@@ -96,7 +96,7 @@ CONFIG_RTE_MAX_TAILQ=32
 CONFIG_RTE_LOG_LEVEL=RTE_LOG_INFO
 CONFIG_RTE_LOG_DP_LEVEL=RTE_LOG_INFO
 CONFIG_RTE_LOG_HISTORY=256
-CONFIG_RTE_BACKTRACE=y
+CONFIG_RTE_BACKTRACE=n
 CONFIG_RTE_LIBEAL_USE_HPET=n
 CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID=n
 CONFIG_RTE_EAL_ALWAYS_PANIC_ON_ERROR=n
diff --git a/src/spdk/dpdk/config/common_base b/src/spdk/dpdk/config/common_base
index d5fbb3a4..d9561545 100644
--- a/src/spdk/dpdk/config/common_base
+++ b/src/spdk/dpdk/config/common_base
@@ -80,7 +80,7 @@ CONFIG_RTE_MAX_TAILQ=32
 CONFIG_RTE_ENABLE_ASSERT=n
 CONFIG_RTE_LOG_DP_LEVEL=RTE_LOG_INFO
 CONFIG_RTE_LOG_HISTORY=256
-CONFIG_RTE_BACKTRACE=y
+CONFIG_RTE_BACKTRACE=n
 CONFIG_RTE_LIBEAL_USE_HPET=n
 CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID=n
 CONFIG_RTE_EAL_ALWAYS_PANIC_ON_ERROR=n
diff --git a/src/spdk/dpdk/config/rte_config.h b/src/spdk/dpdk/config/rte_config.h
index a8e47977..7599bd39 100644
--- a/src/spdk/dpdk/config/rte_config.h
+++ b/src/spdk/dpdk/config/rte_config.h
@@ -30,7 +30,7 @@
 #define RTE_MAX_MEMZONE 2560
 #define RTE_MAX_TAILQ 32
 #define RTE_LOG_DP_LEVEL RTE_LOG_INFO
-#define RTE_BACKTRACE 1
+//#define RTE_BACKTRACE 1
 #define RTE_EAL_VFIO 1
 #define RTE_MAX_VFIO_CONTAINERS 64
 
diff --git a/src/spdk/dpdk/drivers/bus/pci/linux/pci_uio.c b/src/spdk/dpdk/drivers/bus/pci/linux/pci_uio.c
index a7c14421..aff241e8 100644
--- a/src/spdk/dpdk/drivers/bus/pci/linux/pci_uio.c
+++ b/src/spdk/dpdk/drivers/bus/pci/linux/pci_uio.c
@@ -14,6 +14,32 @@
 
 #if defined(RTE_ARCH_X86)
 #include <sys/io.h>
+#if defined(__GLIBC__)
+#define pci_uio_outl_p outl_p
+#define pci_uio_outw_p outw_p
+#define pci_uio_outb_p outb_p
+#else
+static inline void
+pci_uio_outl_p(unsigned int value, unsigned short int port)
+{
+	__asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80" : : "a" (value),
+			      "Nd" (port));
+}
+
+static inline void
+pci_uio_outw_p(unsigned short int value, unsigned short int port)
+{
+	__asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80" : : "a" (value),
+			      "Nd" (port));
+}
+
+static inline void
+pci_uio_outb_p(unsigned char value, unsigned short int port)
+{
+	__asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80" : : "a" (value),
+			      "Nd" (port));
+}
+#endif
 #endif
 
 #include <rte_log.h>
@@ -527,21 +553,21 @@ pci_uio_ioport_write(struct rte_pci_ioport *p,
 		if (len >= 4) {
 			size = 4;
 #if defined(RTE_ARCH_X86)
-			outl_p(*(const uint32_t *)s, reg);
+			pci_uio_outl_p(*(const uint32_t *)s, reg);
 #else
 			*(volatile uint32_t *)reg = *(const uint32_t *)s;
 #endif
 		} else if (len >= 2) {
 			size = 2;
 #if defined(RTE_ARCH_X86)
-			outw_p(*(const uint16_t *)s, reg);
+			pci_uio_outw_p(*(const uint16_t *)s, reg);
 #else
 			*(volatile uint16_t *)reg = *(const uint16_t *)s;
 #endif
 		} else {
 			size = 1;
 #if defined(RTE_ARCH_X86)
-			outb_p(*s, reg);
+			pci_uio_outb_p(*s, reg);
 #else
 			*(volatile uint8_t *)reg = *s;
 #endif
diff --git a/src/spdk/dpdk/lib/librte_eal/common/eal_common_fbarray.c b/src/spdk/dpdk/lib/librte_eal/common/eal_common_fbarray.c
index ba6c4ae3..b9b7d70d 100644
--- a/src/spdk/dpdk/lib/librte_eal/common/eal_common_fbarray.c
+++ b/src/spdk/dpdk/lib/librte_eal/common/eal_common_fbarray.c
@@ -9,6 +9,7 @@
 #include <errno.h>
 #include <sys/file.h>
 #include <string.h>
+#include <fcntl.h>
 
 #include <rte_common.h>
 #include <rte_log.h>
diff --git a/src/spdk/dpdk/lib/librte_eal/common/malloc_heap.c b/src/spdk/dpdk/lib/librte_eal/common/malloc_heap.c
index 02a5385d..cf063d5f 100644
--- a/src/spdk/dpdk/lib/librte_eal/common/malloc_heap.c
+++ b/src/spdk/dpdk/lib/librte_eal/common/malloc_heap.c
@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright(c) 2010-2014 Intel Corporation
  */
+ #include<string.h>
 #include <stdint.h>
 #include <stddef.h>
 #include <stdlib.h>
diff --git a/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c b/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
index 3a7d4b22..99b25d3c 100644
--- a/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
+++ b/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
@@ -17,6 +17,7 @@
 #include <sys/mman.h>
 #include <sys/queue.h>
 #include <sys/stat.h>
+#include <fcntl.h>
 
 #include <linux/mman.h> /* for hugetlb-related flags */
 
diff --git a/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c b/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c
index 0bf2aef3..0c98c74c 100644
--- a/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/src/spdk/dpdk/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -15,6 +15,7 @@
 #include <sys/mman.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <fcntl.h>
 #include <sys/queue.h>
 #include <sys/file.h>
 #include <unistd.h>
diff --git a/src/spdk/dpdk/mk/target/generic/rte.vars.mk b/src/spdk/dpdk/mk/target/generic/rte.vars.mk
index 98085cd3..dd149acc 100644
--- a/src/spdk/dpdk/mk/target/generic/rte.vars.mk
+++ b/src/spdk/dpdk/mk/target/generic/rte.vars.mk
@@ -108,6 +108,9 @@ CFLAGS += -include $(RTE_SDK_BIN)/include/rte_config.h
 LDFLAGS += -L$(RTE_SDK_BIN)/lib
 endif
 
+# always define _GNU_SOURCE
+CFLAGS += -D_GNU_SOURCE
+
 export CFLAGS
 export LDFLAGS
 
diff --git a/src/tools/rbd_nbd/rbd-nbd.cc b/src/tools/rbd_nbd/rbd-nbd.cc
index cce44e4f..b0988e64 100644
--- a/src/tools/rbd_nbd/rbd-nbd.cc
+++ b/src/tools/rbd_nbd/rbd-nbd.cc
@@ -552,7 +552,8 @@ private:
     for (unsigned i = 0; i < cmdline.size(); i++) {
       const char *arg = &cmdline[i];
       if (i == 0) {
-        if (strcmp(basename(arg) , "rbd-nbd") != 0) {
+        const char *fname = strrchr(arg, '/');
+        if (strcmp(fname ? fname+1 : arg, "rbd-nbd") != 0) {
           return -EINVAL;
         }
       } else {