diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 424ac44d..65515979 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -93,3 +93,21 @@ jobs:
     - uses: actions/checkout@v2
     - name: nxp-mimxrt1020-azurertos
       run: make -C examples/nxp-mimxrt1020-azurertos build
+  nxp-frdmk66f-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-frdmk66f-freertos
+      run: make -C examples/nxp-frdmk66f-freertos build
+  nxp-lpcxpresso54s018m-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-lpcxpresso54s018m-freertos
+      run: make -C examples/nxp-lpcxpresso54s018m-freertos build
+  nxp-mimxrt1020-freertos:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: nxp-mimxrt1020-freertos
+      run: make -C examples/nxp-mimxrt1020-freertos build
\ No newline at end of file
diff --git a/examples/nxp-frdmk66f-freertos/Makefile b/examples/nxp-frdmk66f-freertos/Makefile
new file mode 100644
index 00000000..b1b0dd57
--- /dev/null
+++ b/examples/nxp-frdmk66f-freertos/Makefile
@@ -0,0 +1,8 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp-lpcxpresso54s018m-freertos/Makefile b/examples/nxp-lpcxpresso54s018m-freertos/Makefile
new file mode 100644
index 00000000..b1b0dd57
--- /dev/null
+++ b/examples/nxp-lpcxpresso54s018m-freertos/Makefile
@@ -0,0 +1,8 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/examples/nxp-mimxrt1020-freertos/Makefile b/examples/nxp-mimxrt1020-freertos/Makefile
new file mode 100644
index 00000000..b1b0dd57
--- /dev/null
+++ b/examples/nxp-mimxrt1020-freertos/Makefile
@@ -0,0 +1,8 @@
+NAME ?= $(notdir $(CURDIR))
+
+build:
+	git clone --depth 1 https://github.com/mongoose-examples/$(NAME)
+	make -C $(NAME) build
+
+clean:
+	rm -rf $(NAME)
diff --git a/mongoose.h b/mongoose.h
index 55a828c5..a1d00646 100644
--- a/mongoose.h
+++ b/mongoose.h
@@ -241,6 +241,7 @@ static __inline struct tm *localtime_r(time_t *t, struct tm *tm) {
 #include <stdbool.h>
 #include <stdint.h>
 #include <string.h>
+#include <stdio.h>
 
 #if defined(__GNUC__)
 #include <sys/stat.h>
diff --git a/src/arch_freertos_lwip.h b/src/arch_freertos_lwip.h
index 88d08ff4..de19d9fb 100644
--- a/src/arch_freertos_lwip.h
+++ b/src/arch_freertos_lwip.h
@@ -6,6 +6,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <string.h>
+#include <stdio.h>
 
 #if defined(__GNUC__)
 #include <sys/stat.h>