diff --git a/Makefile b/Makefile
index 9ef144a..d15d08a 100644
--- a/Makefile
+++ b/Makefile
@@ -177,9 +177,9 @@
 	  else if [ -x /bin/bash ]; then echo /bin/bash; \
 	  else echo sh; fi ; fi)
 
-HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS)
-HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS)
-HOST_LFS_LIBS := $(shell getconf LFS_LIBS)
+HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null)
+HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null)
+HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null)
 
 HOSTCC       = gcc
 HOSTCXX      = g++
diff --git a/defaultenv/Makefile b/defaultenv/Makefile
index 950ac29..e030355 100644
--- a/defaultenv/Makefile
+++ b/defaultenv/Makefile
@@ -20,7 +20,8 @@
 
 quiet_cmd_env_h = ENVH    $@
 cmd_env_h = cat $< | (cd $(obj) && $(objtree)/scripts/bin2c "__aligned(4) default_environment") > $@; \
-	echo "static const int default_environment_uncompress_size=`stat -c%s $(obj)/barebox_default_env`;" >> $@
+	echo "static const int default_environment_uncompress_size=`${CONFIG_SHELL} \"${srctree}/scripts/file-size.sh\" $(obj)/barebox_default_env`;" >> $@
+
 
 $(obj)/barebox_default_env.h: $(obj)/barebox_default_env$(DEFAULT_COMPRESSION_SUFFIX) FORCE
 	$(call if_changed,env_h)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 95eaf52..87bff2d 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -341,7 +341,7 @@
 size_append = printf $(shell						\
 dec_size=0;								\
 for F in $1; do								\
-	fsize=$$(stat -c "%s" $$F);					\
+	fsize=$$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" $$F);\
 	dec_size=$$(expr $$dec_size + $$fsize);				\
 done;									\
 printf "%08x\n" $$dec_size |						\
@@ -446,7 +446,7 @@
 # Check size of a file
 quiet_cmd_check_file_size = CHKFILESIZE $2
       cmd_check_file_size = set -e;					\
-	size=`stat -c%s $2`;						\
+	size=`${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" $2`;	\
 	max_size=`printf "%d" $3`;					\
 	if [ $$size -gt $$max_size ] ;					\
 	then								\
diff --git a/scripts/bareboxcrc32.c b/scripts/bareboxcrc32.c
index e00ffaf..1b105a4 100644
--- a/scripts/bareboxcrc32.c
+++ b/scripts/bareboxcrc32.c
@@ -38,7 +38,7 @@
 
 int main(int argc, char *argv[])
 {
-	loff_t start = 0, size = ~0;
+	ulong start = 0, size = ~0;
 	ulong crc = 0, total = 0;
 	char *filename = NULL;
 	int i;
diff --git a/scripts/bareboximd.c b/scripts/bareboximd.c
index 7d4cbeb..5ef9183 100644
--- a/scripts/bareboximd.c
+++ b/scripts/bareboximd.c
@@ -23,7 +23,6 @@
 #include <stdio.h>
 #include <sys/types.h>
 #include <stdint.h>
-#include <asm-generic/errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -58,7 +57,7 @@
 	return -EINVAL;
 }
 
-static int read_file_2(const char *filename, size_t *size, void **outbuf, loff_t max_size)
+static int read_file_2(const char *filename, size_t *size, void **outbuf, size_t max_size)
 {
 	off_t fsize;
 	ssize_t rsize;
diff --git a/scripts/check_size b/scripts/check_size
index 54f02a6..8530435 100755
--- a/scripts/check_size
+++ b/scripts/check_size
@@ -5,7 +5,7 @@
 max="$3"
 
 # extract symbol offset from file, remove leading zeros
-ofs=$(nm -t d $file | grep "$symbol" | cut -d ' ' -f1 | sed "s/^[0]*//")
+ofs=$(${CROSS_COMPILE}nm -t d $file | grep "$symbol" | cut -d ' ' -f1 | sed "s/^[0]*//")
 
 if [ -z "${ofs}" ]; then
 	echo "symbol $symbol not found in $file"
diff --git a/scripts/compiler.h b/scripts/compiler.h
index 4cf179b..0ad25f9 100644
--- a/scripts/compiler.h
+++ b/scripts/compiler.h
@@ -13,8 +13,6 @@
     defined(__sun__)	 || \
     defined(__APPLE__)
 # include <inttypes.h>
-#elif defined(__linux__) || defined(__WIN32__) || defined(__MINGW32__)
-# include <stdint.h>
 #endif
 
 #include <errno.h>
@@ -40,16 +38,38 @@
 #define O_BINARY	0
 #endif
 
-#ifdef __linux__
-# include <endian.h>
-# include <byteswap.h>
-#elif defined(__MACH__)
-# include <machine/endian.h>
-# define __BYTE_ORDER    BYTE_ORDER
-# define __LITTLE_ENDIAN LITTLE_ENDIAN
-# define __BIG_ENDIAN    BIG_ENDIAN
+#if defined(__MACH__)
+# ifdef __APPLE__
+#  include <libkern/OSByteOrder.h>
+#  define htobe16(x) OSSwapHostToBigInt16(x)
+#  define htole16(x) OSSwapHostToLittleInt16(x)
+#  define be16toh(x) OSSwapBigToHostInt16(x)
+#  define le16toh(x) OSSwapLittleToHostInt16(x)
+#  define htobe32(x) OSSwapHostToBigInt32(x)
+#  define htole32(x) OSSwapHostToLittleInt32(x)
+#  define be32toh(x) OSSwapBigToHostInt32(x)
+#  define le32toh(x) OSSwapLittleToHostInt32(x)
+#  define htobe64(x) OSSwapHostToBigInt64(x)
+#  define htole64(x) OSSwapHostToLittleInt64(x)
+#  define be64toh(x) OSSwapBigToHostInt64(x)
+#  define le64toh(x) OSSwapLittleToHostInt64(x)
+# else /* non apple __MACH__ */
+#  include <machine/endian.h>
+# endif /* __APPLE__ */
 typedef unsigned long ulong;
 typedef unsigned int  uint;
+#elif defined(__OpenBSD__) || defined(__FreeBSD__) || \
+      defined(__NetBSD__) || defined(__DragonFly__)
+# include <sys/endian.h>
+#else /* assume Linux */
+# include <endian.h>
+# include <byteswap.h>
+#endif
+
+#if defined(__BYTE_ORDER) && !defined(BYTE_ORDER)
+# define __BYTE_ORDER    BYTE_ORDER
+# define __BIG_ENDIAN    BIG_ENDIAN
+# define __LITTLE_ENDIAN LITTLE_ENDIAN
 #endif
 
 typedef uint8_t __u8;
diff --git a/scripts/extract_symbol_offset b/scripts/extract_symbol_offset
index 1a1260f..78b8668 100755
--- a/scripts/extract_symbol_offset
+++ b/scripts/extract_symbol_offset
@@ -4,7 +4,7 @@
 file="$2"
 
 # extract symbol offset from file, remove leading zeros
-ofs=$(nm -t d $file | grep "$symbol" | cut -d ' ' -f1 | sed "s/^[0]*//")
+ofs=$(${CROSS_COMPILE}nm -t d $file | grep "$symbol" | cut -d ' ' -f1 | sed "s/^[0]*//")
 
 if [ -z "${ofs}" ]; then
 	echo "symbol $symbol not found in $file"
diff --git a/scripts/file-size.sh b/scripts/file-size.sh
new file mode 100755
index 0000000..7eb7423
--- /dev/null
+++ b/scripts/file-size.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+set -- $(ls -dn "$1")
+printf '%s\n' "$5"
diff --git a/scripts/fix_size.c b/scripts/fix_size.c
index cb074e3..e33edec 100644
--- a/scripts/fix_size.c
+++ b/scripts/fix_size.c
@@ -9,7 +9,8 @@
 #include <unistd.h>
 #include <stdint.h>
 #include <fcntl.h>
-#include <endian.h>
+
+#include "compiler.h"
 
 int main(int argc, char**argv)
 {
diff --git a/scripts/gen-dtb-s b/scripts/gen-dtb-s
index 307b1f6..b2dd253 100755
--- a/scripts/gen-dtb-s
+++ b/scripts/gen-dtb-s
@@ -55,8 +55,8 @@
 if [ $? != 0 ]; then
 	exit 1
 fi
-compressed=$(stat $dtb.lzo -c "%s")
-uncompressed=$(stat $dtb -c "%s")
+compressed=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" $dtb.lzo)
+uncompressed=$(${CONFIG_SHELL} "${srctree}/scripts/file-size.sh" $dtb)
 
 echo ".section .dtbz.rodata.${name},\"a\""
 echo ".balign STRUCT_ALIGNMENT"
diff --git a/scripts/imx/imx-image.c b/scripts/imx/imx-image.c
index 90be8a9..6a258bd 100644
--- a/scripts/imx/imx-image.c
+++ b/scripts/imx/imx-image.c
@@ -26,10 +26,10 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <endian.h>
 #include <linux/kernel.h>
 #include <sys/file.h>
 #include <mach/imx_cpu_types.h>
+#include "../compiler.h"
 
 #include "imx.h"
 
diff --git a/scripts/imx/imx-usb-loader.c b/scripts/imx/imx-usb-loader.c
index e3d3b8f..70883bf 100644
--- a/scripts/imx/imx-usb-loader.c
+++ b/scripts/imx/imx-usb-loader.c
@@ -26,16 +26,15 @@
 
 #include <unistd.h>
 #include <ctype.h>
-#include <sys/io.h>
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
 #include <libusb.h>
 #include <getopt.h>
-#include <endian.h>
 #include <arpa/inet.h>
 #include <linux/kernel.h>
 
+#include "../compiler.h"
 #include "imx.h"
 
 #define get_min(a, b) (((a) < (b)) ? (a) : (b))
diff --git a/scripts/include/linux/err.h b/scripts/include/linux/err.h
index bdc3dd8..9982ab1 100644
--- a/scripts/include/linux/err.h
+++ b/scripts/include/linux/err.h
@@ -4,7 +4,7 @@
 #include <linux/compiler.h>
 #include <linux/types.h>
 
-#include <asm/errno.h>
+#include <errno.h>
 
 /*
  * Original kernel header comment:
diff --git a/scripts/include/linux/string.h b/scripts/include/linux/string.h
index e26223f..649287b 100644
--- a/scripts/include/linux/string.h
+++ b/scripts/include/linux/string.h
@@ -8,7 +8,11 @@
 
 int strtobool(const char *s, bool *res);
 
-#ifndef __UCLIBC__
+/*
+ * glibc based builds needs the extern while uClibc doesn't.
+ * However uClibc headers also define __GLIBC__ hence the hack below
+ */
+#if defined(__GLIBC) && !defined(__UCLIBC__)
 extern size_t strlcpy(char *dest, const char *src, size_t size);
 #endif
 
diff --git a/scripts/include/linux/types.h b/scripts/include/linux/types.h
index 8ebf627..e81d7e8 100644
--- a/scripts/include/linux/types.h
+++ b/scripts/include/linux/types.h
@@ -5,8 +5,18 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#define __SANE_USERSPACE_TYPES__	/* For PPC64, to get LL64 types */
-#include <asm/types.h>
+typedef uint64_t __u64;
+typedef int64_t __s64;
+typedef uint32_t __u32;
+typedef int32_t __s32;
+typedef uint16_t __u16;
+typedef int16_t __s16;
+typedef uint8_t __u8;
+typedef int8_t __s8;
+
+#ifndef __linux__
+typedef long long loff_t;
+#endif
 
 struct page;
 struct kmem_cache;
diff --git a/scripts/kwbimage.c b/scripts/kwbimage.c
index 2a052a7..6ba4aba 100644
--- a/scripts/kwbimage.c
+++ b/scripts/kwbimage.c
@@ -860,12 +860,16 @@
 
 		ret = stat(binarye->binary.file, &s);
 		if (ret < 0) {
-			char *cwd = get_current_dir_name();
+			char *buf, *cwd = NULL;
+			size_t size = (size_t)pathconf(".", _PC_PATH_MAX);
+			buf = malloc(size);
+			if (buf)
+				cwd = getcwd(buf, size);
 			fprintf(stderr,
 				"Didn't find the file '%s' in '%s' which is mandatory to generate the image\n"
 				"This file generally contains the DDR3 training code, and should be extracted from an existing bootable\n"
 				"image for your board. See 'kwbimage -x' to extract it from an existing image.\n",
-				binarye->binary.file, cwd);
+				binarye->binary.file, cwd ? cwd : "current working directory");
 			free(cwd);
 			return NULL;
 		}
diff --git a/scripts/mkimage.c b/scripts/mkimage.c
index 891d7b6..7d283c5 100644
--- a/scripts/mkimage.c
+++ b/scripts/mkimage.c
@@ -572,7 +572,11 @@
 	}
 
 	/* We're a bit of paranoid */
-#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
+#if defined(_POSIX_SYNCHRONIZED_IO) && \
+   !defined(__sun__) && \
+   !defined(__FreeBSD__) && \
+   !defined(__OpenBSD__) && \
+   !defined(__APPLE__)
 	(void) fdatasync (ifd);
 #else
 	(void) fsync (ifd);
@@ -622,7 +626,11 @@
 	(void) munmap((void *)ptr, sbuf.st_size);
 
 	/* We're a bit of paranoid */
-#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
+#if defined(_POSIX_SYNCHRONIZED_IO) && \
+   !defined(__sun__) && \
+   !defined(__FreeBSD__) && \
+   !defined(__OpenBSD__) && \
+   !defined(__APPLE__)
 	(void) fdatasync (ifd);
 #else
 	(void) fsync (ifd);
diff --git a/scripts/omap3-usb-loader.c b/scripts/omap3-usb-loader.c
index 3ba9af0..ae6f125 100644
--- a/scripts/omap3-usb-loader.c
+++ b/scripts/omap3-usb-loader.c
@@ -33,10 +33,6 @@
 #define OMAP_IS_BIG_ENDIAN
 #endif
 
-#ifdef OMAP_IS_BIG_ENDIAN
-#include <arpa/inet.h>
-#endif
-
 #include <unistd.h>		/* for usleep and friends */
 #include <getopt.h>
 #include <errno.h>
@@ -403,7 +399,7 @@
 	data = file->data;
 	dbuf = data;
 
-	if (le32toh(dbuf[5]) == 0x45534843) {
+	if (le32_to_cpu(dbuf[5]) == 0x45534843) {
 		int chsettingssize = 512 + 2 * sizeof(uint32_t);
 
 		log_info("CHSETTINGS image detected. Skipping header\n");