diff --git a/crypto/mbedtls/Makefile b/crypto/mbedtls/Makefile
index 33038411132..241e076ead7 100644
--- a/crypto/mbedtls/Makefile
+++ b/crypto/mbedtls/Makefile
@@ -48,6 +48,7 @@ MBEDTLS_FRAMEWORK_UNPACKNAME = mbedtls-framework
 CFLAGS += ${DEFINE_PREFIX}unix
 
 mbedtls/library/bignum.c_CFLAGS += -fno-lto
+mbedtls/library/ctr_drbg.c_CFLAGS += -Wno-array-bounds
 
 # Build break on Assemble compiler if -fno-omit-frame-pointer and -O3 enabled at same time
 # {standard input}: Assembler messages:
diff --git a/interpreters/quickjs/Makefile b/interpreters/quickjs/Makefile
index 7b84a08bb4e..457cdee359f 100644
--- a/interpreters/quickjs/Makefile
+++ b/interpreters/quickjs/Makefile
@@ -35,6 +35,8 @@ VERSION=\"$(QUICKJS_VERSION)\"
 CFLAGS += -Dmp_add=qjs_mp_add -Dmp_sub=qjs_mp_sub -Dmp_mul=qjs_mp_mul
 CFLAGS += -DCONFIG_VERSION=$(VERSION) -Wno-shadow
 CFLAGS += -Wno-array-bounds -I$(QUICKJS_UNPACK)
+CFLAGS += -Wno-strict-prototypes -Wno-unused-variable
+CFLAGS += -Wno-unused-but-set-variable
 CFLAGS += -D__linux__ -include alloca.h
 CFLAGS += -Wno-incompatible-pointer-types
 CFLAGS += -Wno-implicit-function-declaration
diff --git a/lte/alt1250/alt1250_devif.c b/lte/alt1250/alt1250_devif.c
index a742938fbf7..39c490667d6 100644
--- a/lte/alt1250/alt1250_devif.c
+++ b/lte/alt1250/alt1250_devif.c
@@ -123,7 +123,7 @@ int altdevice_send_command(FAR struct alt1250_s *dev, int fd,
     }
   else
     {
-      /* In case of send successed */
+      /* In case of send succeeded */
 
       ret = container->outparam ? REP_NO_ACK_WOFREE : REP_NO_ACK;
     }
@@ -173,7 +173,7 @@ int altdevice_seteventbuff(int fd, FAR struct alt_evtbuffer_s *buffer)
  ****************************************************************************/
 
 int altdevice_getevent(int fd, FAR uint64_t *evtbitmap,
-                       FAR struct alt_container_s **replys)
+                       FAR struct alt_container_s **replies)
 {
   int ret = -EIO;
   struct alt_readdata_s dat;
@@ -183,7 +183,7 @@ int altdevice_getevent(int fd, FAR uint64_t *evtbitmap,
     {
       ret = OK;
       *evtbitmap = dat.evtbitmap;
-      *replys = dat.head;
+      *replies = dat.head;
     }
 
   return ret;
diff --git a/lte/alt1250/alt1250_devif.h b/lte/alt1250/alt1250_devif.h
index c537754df19..01c689625d4 100644
--- a/lte/alt1250/alt1250_devif.h
+++ b/lte/alt1250/alt1250_devif.h
@@ -20,7 +20,7 @@
  *
  ****************************************************************************/
 
-#ifndef __APSS_LTE_ALT1250_ALT1250_DEVIF_H
+#ifndef __APPS_LTE_ALT1250_ALT1250_DEVIF_H
 #define __APPS_LTE_ALT1250_ALT1250_DEVIF_H
 
 /****************************************************************************
@@ -48,7 +48,7 @@ int altdevice_send_command(FAR struct alt1250_s *dev, int fd,
 int altdevice_powercontrol(int fd, uint32_t cmd);
 int altdevice_seteventbuff(int fd, FAR struct alt_evtbuffer_s *buffers);
 int altdevice_getevent(int fd, FAR uint64_t *evtbitmap,
-                       FAR struct alt_container_s **replys);
+                       FAR struct alt_container_s **replies);
 void altdevice_reset(int fd);
 #ifdef CONFIG_LTE_ALT1250_ENABLE_HIBERNATION_MODE
 int altdevice_powerresponse(int fd, uint32_t cmd, int resp);
diff --git a/system/dd/dd_main.c b/system/dd/dd_main.c
index f0804183656..9be5de7ac26 100644
--- a/system/dd/dd_main.c
+++ b/system/dd/dd_main.c
@@ -62,10 +62,18 @@
 #define CONFIG_SYSTEM_DD_PROGNAME "dd"
 #endif
 #if !defined(__NuttX__)
-#define FAR
-#define NSEC_PER_USEC 1000
-#define USEC_PER_SEC 1000000
-#define NSEC_PER_SEC 1000000000
+#  ifndef FAR
+#    define FAR
+#  endif
+#  ifndef NSEC_PER_USEC
+#    define NSEC_PER_USEC 1000
+#  endif
+#  ifndef USEC_PER_SEC
+#    define USEC_PER_SEC 1000000
+#  endif
+#  ifndef NSEC_PER_SEC
+#    define NSEC_PER_SEC 1000000000
+#  endif
 #endif
 
 #define g_dd CONFIG_SYSTEM_DD_PROGNAME
diff --git a/system/zlib/Makefile b/system/zlib/Makefile
index 7c978a55295..43a09bb503e 100644
--- a/system/zlib/Makefile
+++ b/system/zlib/Makefile
@@ -31,6 +31,7 @@ CSRCS += zlib/contrib/minizip/zip.c
 
 CFLAGS += -Dunix -Wno-shadow -Wno-strict-prototypes -Wno-undef
 CFLAGS += ${INCDIR_PREFIX}zlib
+zlib/test/infcover.c_CFLAGS += -Wno-format
 
 ZLIB_ZIP = zlib13.zip
 ZLIB_SRC = zlib
diff --git a/testing/cxx/cxxtest/cxxtest_main.cxx b/testing/cxx/cxxtest/cxxtest_main.cxx
index f33da9eed28..90663f95861 100644
--- a/testing/cxx/cxxtest/cxxtest_main.cxx
+++ b/testing/cxx/cxxtest/cxxtest_main.cxx
@@ -26,6 +26,7 @@
 
 #include <nuttx/config.h>
 
+#include <algorithm>
 #include <cstdio>
 #include <cassert>
 #include <cstdio>