diff --git a/libgloss/Makefile.in b/libgloss/Makefile.in
index 187d0edb0..7f46375c0 100644
--- a/libgloss/Makefile.in
+++ b/libgloss/Makefile.in
@@ -409,6 +409,7 @@ libnosys_libnosys_a_LIBADD =
 @CONFIG_LIBNOSYS_TRUE@	libnosys/unlink.$(OBJEXT) \
 @CONFIG_LIBNOSYS_TRUE@	libnosys/wait.$(OBJEXT) \
 @CONFIG_LIBNOSYS_TRUE@	libnosys/write.$(OBJEXT) \
+@CONFIG_LIBNOSYS_TRUE@	libnosys/getentropy.$(OBJEXT) \
 @CONFIG_LIBNOSYS_TRUE@	libnosys/_exit.$(OBJEXT)
 libnosys_libnosys_a_OBJECTS = $(am_libnosys_libnosys_a_OBJECTS)
 libobjs_a_AR = $(AR) $(ARFLAGS)
@@ -991,6 +992,7 @@ TEXINFO_TEX = ../texinfo/texinfo.tex
 @CONFIG_LIBNOSYS_TRUE@	libnosys/unlink.c \
 @CONFIG_LIBNOSYS_TRUE@	libnosys/wait.c \
 @CONFIG_LIBNOSYS_TRUE@	libnosys/write.c \
+@CONFIG_LIBNOSYS_TRUE@	libnosys/getentropy.c \
 @CONFIG_LIBNOSYS_TRUE@	libnosys/_exit.c
 
 @CONFIG_LM32_TRUE@lm32_libgloss_a_SOURCES = \
@@ -1558,6 +1560,8 @@ libnosys/wait.$(OBJEXT): libnosys/$(am__dirstamp) \
 	libnosys/$(DEPDIR)/$(am__dirstamp)
 libnosys/write.$(OBJEXT): libnosys/$(am__dirstamp) \
 	libnosys/$(DEPDIR)/$(am__dirstamp)
+libnosys/getentropy.$(OBJEXT): libnosys/$(am__dirstamp) \
+	libnosys/$(DEPDIR)/$(am__dirstamp)
 libnosys/_exit.$(OBJEXT): libnosys/$(am__dirstamp) \
 	libnosys/$(DEPDIR)/$(am__dirstamp)
 
@@ -1958,6 +1962,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/execve.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/fork.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/fstat.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/getentropy.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/getpid.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/gettod.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libnosys/$(DEPDIR)/isatty.Po@am__quote@
diff --git a/libgloss/libnosys/Makefile.inc b/libgloss/libnosys/Makefile.inc
index 5e69072e7..334f694af 100644
--- a/libgloss/libnosys/Makefile.inc
+++ b/libgloss/libnosys/Makefile.inc
@@ -24,4 +24,5 @@ multilibtool_LIBRARIES += %D%/libnosys.a
 	%D%/unlink.c \
 	%D%/wait.c \
 	%D%/write.c \
+	%D%/getentropy.c \
 	%D%/_exit.c
diff --git a/libgloss/libnosys/getentropy.c b/libgloss/libnosys/getentropy.c
new file mode 100644
index 000000000..5c4d3a834
--- /dev/null
+++ b/libgloss/libnosys/getentropy.c
@@ -0,0 +1,21 @@
+/*
+ * Stub version of getentropy.
+ */
+
+#include "config.h"
+#include <_ansi.h>
+#include <_syslist.h>
+#include <errno.h>
+#undef errno
+extern int errno;
+#include "warning.h"
+
+int
+_getentropy (void *buf,
+        size_t buflen)
+{
+  errno = ENOSYS;
+  return -1;
+}
+
+stub_warning(_getentropy)
diff --git a/newlib/Makefile.in b/newlib/Makefile.in
index 4d2b5e782..6e5b0fbd6 100644
--- a/newlib/Makefile.in
+++ b/newlib/Makefile.in
@@ -391,6 +391,7 @@ check_PROGRAMS =
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysclose.c \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysfcntl.c \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysfstat.c \
+@HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysgetentropy.c \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysgetpid.c \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysgettod.c \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/sysisatty.c \
@@ -1438,6 +1439,7 @@ am__objects_28 = libc/reent/libc_a-execr.$(OBJEXT)
 @HAVE_SYSCALL_DIR_TRUE@am__objects_44 = libc/syscalls/libc_a-sysclose.$(OBJEXT) \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/libc_a-sysfcntl.$(OBJEXT) \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/libc_a-sysfstat.$(OBJEXT) \
+@HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/libc_a-sysgetentropy.$(OBJEXT) \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/libc_a-sysgetpid.$(OBJEXT) \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/libc_a-sysgettod.$(OBJEXT) \
 @HAVE_SYSCALL_DIR_TRUE@	libc/syscalls/libc_a-sysisatty.$(OBJEXT) \
@@ -2521,6 +2523,7 @@ am_libc_a_OBJECTS = $(am__objects_1) \
 	libc/reent/libc_a-impure.$(OBJEXT) \
 	libc/reent/libc_a-fcntlr.$(OBJEXT) \
 	libc/reent/libc_a-fstatr.$(OBJEXT) \
+	libc/reent/libc_a-getentropyr.$(OBJEXT) \
 	libc/reent/libc_a-getreent.$(OBJEXT) \
 	libc/reent/libc_a-gettimeofdayr.$(OBJEXT) \
 	libc/reent/libc_a-isattyr.$(OBJEXT) \
@@ -4092,50 +4095,50 @@ libc_a_SOURCES = $(am__append_5) libc/stdlib/__adjust.c \
 	libc/locale/setlocale.h libc/locale/locale.c \
 	libc/locale/localeconv.c $(am__append_19) libc/reent/closer.c \
 	libc/reent/reent.c libc/reent/impure.c libc/reent/fcntlr.c \
-	libc/reent/fstatr.c libc/reent/getreent.c \
-	libc/reent/gettimeofdayr.c libc/reent/isattyr.c \
-	libc/reent/linkr.c libc/reent/lseekr.c libc/reent/mkdirr.c \
-	libc/reent/openr.c libc/reent/readr.c libc/reent/renamer.c \
-	libc/reent/signalr.c libc/reent/sbrkr.c libc/reent/statr.c \
-	libc/reent/timesr.c libc/reent/unlinkr.c libc/reent/writer.c \
-	$(am__append_21) $(am__append_22) $(am__append_23) \
-	libc/errno/errno.c libc/misc/__dprintf.c libc/misc/unctrl.c \
-	libc/misc/ffs.c libc/misc/init.c libc/misc/fini.c \
-	$(am__append_24) $(am__append_25) $(am__append_26) \
-	$(am__append_27) $(am__append_28) $(am__append_29) \
-	$(am__append_30) $(am__append_31) $(am__append_32) \
-	$(am__append_33) $(am__append_34) $(am__append_35) \
-	$(am__append_36) $(am__append_38) $(am__append_41) \
-	$(am__append_42) $(am__append_43) $(am__append_44) \
-	$(am__append_45) $(am__append_46) $(am__append_47) \
-	$(am__append_48) $(am__append_49) $(am__append_50) \
-	$(am__append_51) $(am__append_52) $(am__append_53) \
-	$(am__append_54) $(am__append_55) $(am__append_56) \
-	$(am__append_57) $(am__append_58) $(am__append_59) \
-	$(am__append_60) $(am__append_61) $(am__append_62) \
-	$(am__append_63) $(am__append_64) $(am__append_65) \
-	$(am__append_66) $(am__append_67) $(am__append_68) \
-	$(am__append_69) $(am__append_70) $(am__append_71) \
-	$(am__append_73) $(am__append_74) $(am__append_75) \
-	$(am__append_76) $(am__append_77) $(am__append_78) \
-	$(am__append_79) $(am__append_80) $(am__append_81) \
-	$(am__append_82) $(am__append_83) $(am__append_84) \
-	$(am__append_85) $(am__append_86) $(am__append_87) \
-	$(am__append_88) $(am__append_89) $(am__append_90) \
-	$(am__append_91) $(am__append_92) $(am__append_93) \
-	$(am__append_94) $(am__append_95) $(am__append_96) \
-	$(am__append_97) $(am__append_98) $(am__append_99) \
-	$(am__append_100) $(am__append_101) $(am__append_102) \
-	$(am__append_103) $(am__append_104) $(am__append_105) \
-	$(am__append_106) $(am__append_107) $(am__append_108) \
-	$(am__append_109) $(am__append_110) $(am__append_111) \
-	$(am__append_112) $(am__append_113) $(am__append_114) \
-	$(am__append_115) $(am__append_116) $(am__append_117) \
-	$(am__append_118) $(am__append_119) $(am__append_120) \
-	$(am__append_121) $(am__append_122) $(am__append_123) \
-	$(am__append_124) $(am__append_125) $(am__append_126) \
-	$(am__append_127) $(am__append_128) $(am__append_129) \
-	$(am__append_130)
+	libc/reent/fstatr.c libc/reent/getentropyr.c \
+	libc/reent/getreent.c libc/reent/gettimeofdayr.c \
+	libc/reent/isattyr.c libc/reent/linkr.c libc/reent/lseekr.c \
+	libc/reent/mkdirr.c libc/reent/openr.c libc/reent/readr.c \
+	libc/reent/renamer.c libc/reent/signalr.c libc/reent/sbrkr.c \
+	libc/reent/statr.c libc/reent/timesr.c libc/reent/unlinkr.c \
+	libc/reent/writer.c $(am__append_21) $(am__append_22) \
+	$(am__append_23) libc/errno/errno.c libc/misc/__dprintf.c \
+	libc/misc/unctrl.c libc/misc/ffs.c libc/misc/init.c \
+	libc/misc/fini.c $(am__append_24) $(am__append_25) \
+	$(am__append_26) $(am__append_27) $(am__append_28) \
+	$(am__append_29) $(am__append_30) $(am__append_31) \
+	$(am__append_32) $(am__append_33) $(am__append_34) \
+	$(am__append_35) $(am__append_36) $(am__append_38) \
+	$(am__append_41) $(am__append_42) $(am__append_43) \
+	$(am__append_44) $(am__append_45) $(am__append_46) \
+	$(am__append_47) $(am__append_48) $(am__append_49) \
+	$(am__append_50) $(am__append_51) $(am__append_52) \
+	$(am__append_53) $(am__append_54) $(am__append_55) \
+	$(am__append_56) $(am__append_57) $(am__append_58) \
+	$(am__append_59) $(am__append_60) $(am__append_61) \
+	$(am__append_62) $(am__append_63) $(am__append_64) \
+	$(am__append_65) $(am__append_66) $(am__append_67) \
+	$(am__append_68) $(am__append_69) $(am__append_70) \
+	$(am__append_71) $(am__append_73) $(am__append_74) \
+	$(am__append_75) $(am__append_76) $(am__append_77) \
+	$(am__append_78) $(am__append_79) $(am__append_80) \
+	$(am__append_81) $(am__append_82) $(am__append_83) \
+	$(am__append_84) $(am__append_85) $(am__append_86) \
+	$(am__append_87) $(am__append_88) $(am__append_89) \
+	$(am__append_90) $(am__append_91) $(am__append_92) \
+	$(am__append_93) $(am__append_94) $(am__append_95) \
+	$(am__append_96) $(am__append_97) $(am__append_98) \
+	$(am__append_99) $(am__append_100) $(am__append_101) \
+	$(am__append_102) $(am__append_103) $(am__append_104) \
+	$(am__append_105) $(am__append_106) $(am__append_107) \
+	$(am__append_108) $(am__append_109) $(am__append_110) \
+	$(am__append_111) $(am__append_112) $(am__append_113) \
+	$(am__append_114) $(am__append_115) $(am__append_116) \
+	$(am__append_117) $(am__append_118) $(am__append_119) \
+	$(am__append_120) $(am__append_121) $(am__append_122) \
+	$(am__append_123) $(am__append_124) $(am__append_125) \
+	$(am__append_126) $(am__append_127) $(am__append_128) \
+	$(am__append_129) $(am__append_130)
 libc_a_CFLAGS = $(AM_CFLAGS) $(libc_a_CFLAGS_$(subst /,_,$(@D))) $(libc_a_CFLAGS_$(subst /,_,$(@D)_$(<F)))
 libc_a_CCASFLAGS = $(AM_CCASFLAGS) $(libc_a_CCASFLAGS_$(subst /,_,$(@D))) $(libc_a_CCASFLAGS_$(subst /,_,$(@D)_$(<F)))
 libc_a_CPPFLAGS = $(AM_CPPFLAGS) $(libc_a_CPPFLAGS_$(subst /,_,$(@D))) $(libc_a_CPPFLAGS_$(subst /,_,$(@D)_$(<F)))
@@ -4325,16 +4328,17 @@ LIBC_CHEWOUT_FILES = libc/stdlib/_Exit.def libc/stdlib/a64l.def \
 	libc/locale/newlocale.def libc/locale/uselocale.def \
 	libc/reent/closer.def libc/reent/reent.def \
 	libc/reent/execr.def libc/reent/fcntlr.def \
-	libc/reent/fstatr.def libc/reent/gettimeofdayr.def \
-	libc/reent/linkr.def libc/reent/lseekr.def \
-	libc/reent/mkdirr.def libc/reent/openr.def \
-	libc/reent/readr.def libc/reent/renamer.def \
-	libc/reent/signalr.def libc/reent/sbrkr.def \
-	libc/reent/statr.def libc/reent/timesr.def \
-	libc/reent/unlinkr.def libc/reent/fstat64r.def \
-	libc/reent/lseek64r.def libc/reent/stat64r.def \
-	libc/reent/open64r.def libc/reent/writer.def libc/misc/ffs.def \
-	libc/misc/lock.def libc/misc/unctrl.def libc/posix/popen.def \
+	libc/reent/fstatr.def libc/reent/getentropyr.def \
+	libc/reent/gettimeofdayr.def libc/reent/linkr.def \
+	libc/reent/lseekr.def libc/reent/mkdirr.def \
+	libc/reent/openr.def libc/reent/readr.def \
+	libc/reent/renamer.def libc/reent/signalr.def \
+	libc/reent/sbrkr.def libc/reent/statr.def \
+	libc/reent/timesr.def libc/reent/unlinkr.def \
+	libc/reent/fstat64r.def libc/reent/lseek64r.def \
+	libc/reent/stat64r.def libc/reent/open64r.def \
+	libc/reent/writer.def libc/misc/ffs.def libc/misc/lock.def \
+	libc/misc/unctrl.def libc/posix/popen.def \
 	libc/posix/posix_spawn.def libc/iconv/lib/iconv.def
 LIBC_CHAPTERS = libc/sys.tex libc/stdlib/stdlib.tex \
 	libc/ctype/ctype.tex libc/stdio/stdio.tex \
@@ -6519,6 +6523,8 @@ libc/reent/libc_a-fcntlr.$(OBJEXT): libc/reent/$(am__dirstamp) \
 	libc/reent/$(DEPDIR)/$(am__dirstamp)
 libc/reent/libc_a-fstatr.$(OBJEXT): libc/reent/$(am__dirstamp) \
 	libc/reent/$(DEPDIR)/$(am__dirstamp)
+libc/reent/libc_a-getentropyr.$(OBJEXT): libc/reent/$(am__dirstamp) \
+	libc/reent/$(DEPDIR)/$(am__dirstamp)
 libc/reent/libc_a-getreent.$(OBJEXT): libc/reent/$(am__dirstamp) \
 	libc/reent/$(DEPDIR)/$(am__dirstamp)
 libc/reent/libc_a-gettimeofdayr.$(OBJEXT): libc/reent/$(am__dirstamp) \
@@ -6704,6 +6710,9 @@ libc/syscalls/libc_a-sysfcntl.$(OBJEXT):  \
 libc/syscalls/libc_a-sysfstat.$(OBJEXT):  \
 	libc/syscalls/$(am__dirstamp) \
 	libc/syscalls/$(DEPDIR)/$(am__dirstamp)
+libc/syscalls/libc_a-sysgetentropy.$(OBJEXT):  \
+	libc/syscalls/$(am__dirstamp) \
+	libc/syscalls/$(DEPDIR)/$(am__dirstamp)
 libc/syscalls/libc_a-sysgetpid.$(OBJEXT):  \
 	libc/syscalls/$(am__dirstamp) \
 	libc/syscalls/$(DEPDIR)/$(am__dirstamp)
@@ -13085,6 +13094,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-fcntlr.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-fstat64r.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-fstatr.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-getentropyr.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-getreent.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-gettimeofdayr.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/reent/$(DEPDIR)/libc_a-impure.Po@am__quote@
@@ -13845,6 +13855,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysfcntl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysfork.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysfstat.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysgetpid.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysgettod.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@libc/syscalls/$(DEPDIR)/libc_a-sysisatty.Po@am__quote@
@@ -27763,6 +27774,20 @@ libc/reent/libc_a-fstatr.obj: libc/reent/fstatr.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/reent/libc_a-fstatr.obj `if test -f 'libc/reent/fstatr.c'; then $(CYGPATH_W) 'libc/reent/fstatr.c'; else $(CYGPATH_W) '$(srcdir)/libc/reent/fstatr.c'; fi`
 
+libc/reent/libc_a-getentropyr.o: libc/reent/getentropyr.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/reent/libc_a-getentropyr.o -MD -MP -MF libc/reent/$(DEPDIR)/libc_a-getentropyr.Tpo -c -o libc/reent/libc_a-getentropyr.o `test -f 'libc/reent/getentropyr.c' || echo '$(srcdir)/'`libc/reent/getentropyr.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/reent/$(DEPDIR)/libc_a-getentropyr.Tpo libc/reent/$(DEPDIR)/libc_a-getentropyr.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/reent/getentropyr.c' object='libc/reent/libc_a-getentropyr.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/reent/libc_a-getentropyr.o `test -f 'libc/reent/getentropyr.c' || echo '$(srcdir)/'`libc/reent/getentropyr.c
+
+libc/reent/libc_a-getentropyr.obj: libc/reent/getentropyr.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/reent/libc_a-getentropyr.obj -MD -MP -MF libc/reent/$(DEPDIR)/libc_a-getentropyr.Tpo -c -o libc/reent/libc_a-getentropyr.obj `if test -f 'libc/reent/getentropyr.c'; then $(CYGPATH_W) 'libc/reent/getentropyr.c'; else $(CYGPATH_W) '$(srcdir)/libc/reent/getentropyr.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/reent/$(DEPDIR)/libc_a-getentropyr.Tpo libc/reent/$(DEPDIR)/libc_a-getentropyr.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/reent/getentropyr.c' object='libc/reent/libc_a-getentropyr.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/reent/libc_a-getentropyr.obj `if test -f 'libc/reent/getentropyr.c'; then $(CYGPATH_W) 'libc/reent/getentropyr.c'; else $(CYGPATH_W) '$(srcdir)/libc/reent/getentropyr.c'; fi`
+
 libc/reent/libc_a-getreent.o: libc/reent/getreent.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/reent/libc_a-getreent.o -MD -MP -MF libc/reent/$(DEPDIR)/libc_a-getreent.Tpo -c -o libc/reent/libc_a-getreent.o `test -f 'libc/reent/getreent.c' || echo '$(srcdir)/'`libc/reent/getreent.c
 @am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/reent/$(DEPDIR)/libc_a-getreent.Tpo libc/reent/$(DEPDIR)/libc_a-getreent.Po
@@ -28827,6 +28852,20 @@ libc/syscalls/libc_a-sysfstat.obj: libc/syscalls/sysfstat.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/syscalls/libc_a-sysfstat.obj `if test -f 'libc/syscalls/sysfstat.c'; then $(CYGPATH_W) 'libc/syscalls/sysfstat.c'; else $(CYGPATH_W) '$(srcdir)/libc/syscalls/sysfstat.c'; fi`
 
+libc/syscalls/libc_a-sysgetentropy.o: libc/syscalls/sysgetentropy.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/syscalls/libc_a-sysgetentropy.o -MD -MP -MF libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Tpo -c -o libc/syscalls/libc_a-sysgetentropy.o `test -f 'libc/syscalls/sysgetentropy.c' || echo '$(srcdir)/'`libc/syscalls/sysgetentropy.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Tpo libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/syscalls/sysgetentropy.c' object='libc/syscalls/libc_a-sysgetentropy.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/syscalls/libc_a-sysgetentropy.o `test -f 'libc/syscalls/sysgetentropy.c' || echo '$(srcdir)/'`libc/syscalls/sysgetentropy.c
+
+libc/syscalls/libc_a-sysgetentropy.obj: libc/syscalls/sysgetentropy.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/syscalls/libc_a-sysgetentropy.obj -MD -MP -MF libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Tpo -c -o libc/syscalls/libc_a-sysgetentropy.obj `if test -f 'libc/syscalls/sysgetentropy.c'; then $(CYGPATH_W) 'libc/syscalls/sysgetentropy.c'; else $(CYGPATH_W) '$(srcdir)/libc/syscalls/sysgetentropy.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Tpo libc/syscalls/$(DEPDIR)/libc_a-sysgetentropy.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='libc/syscalls/sysgetentropy.c' object='libc/syscalls/libc_a-sysgetentropy.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -c -o libc/syscalls/libc_a-sysgetentropy.obj `if test -f 'libc/syscalls/sysgetentropy.c'; then $(CYGPATH_W) 'libc/syscalls/sysgetentropy.c'; else $(CYGPATH_W) '$(srcdir)/libc/syscalls/sysgetentropy.c'; fi`
+
 libc/syscalls/libc_a-sysgetpid.o: libc/syscalls/sysgetpid.c
 @am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libc_a_CPPFLAGS) $(CPPFLAGS) $(libc_a_CFLAGS) $(CFLAGS) -MT libc/syscalls/libc_a-sysgetpid.o -MD -MP -MF libc/syscalls/$(DEPDIR)/libc_a-sysgetpid.Tpo -c -o libc/syscalls/libc_a-sysgetpid.o `test -f 'libc/syscalls/sysgetpid.c' || echo '$(srcdir)/'`libc/syscalls/sysgetpid.c
 @am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) libc/syscalls/$(DEPDIR)/libc_a-sysgetpid.Tpo libc/syscalls/$(DEPDIR)/libc_a-sysgetpid.Po
diff --git a/newlib/libc/include/_syslist.h b/newlib/libc/include/_syslist.h
index 271644efa..2946af551 100644
--- a/newlib/libc/include/_syslist.h
+++ b/newlib/libc/include/_syslist.h
@@ -24,6 +24,7 @@
 #define _unlink unlink
 #define _wait wait
 #define _write write
+#define _getentropy getentropy
 #endif /* MISSING_SYSCALL_NAMES */
 
 #if defined MISSING_SYSCALL_NAMES || !defined HAVE_OPENDIR
diff --git a/newlib/libc/include/reent.h b/newlib/libc/include/reent.h
index 23d572cd3..b1dd2a7c4 100644
--- a/newlib/libc/include/reent.h
+++ b/newlib/libc/include/reent.h
@@ -125,6 +125,7 @@ struct timezone;
 #define _unlink_r(__reent, __path)                unlink(__path)
 #define _wait_r(__reent, __status)                wait(__status)
 #define _write_r(__reent, __fd, __buff, __cnt)    write(__fd, __buff, __cnt)
+#define _getentropy_r(__reent, __buff, __cnt)     getentropy(__buff, __cnt)
 #define _gettimeofday_r(__reent, __tp, __tzp)     gettimeofday(__tp, __tzp)
 
 #ifdef __LARGE64_FILES
@@ -156,6 +157,7 @@ extern _CLOCK_T_ _times_r (struct _reent *, struct tms *);
 extern int _unlink_r (struct _reent *, const char *);
 extern int _wait_r (struct _reent *, int *);
 extern _ssize_t _write_r (struct _reent *, int, const void *, size_t);
+extern int _getentropy_r (struct _reent *, void *, size_t);
 
 /* This one is not guaranteed to be available on all targets.  */
 extern int _gettimeofday_r (struct _reent *, struct timeval *__tp, void *__tzp);
diff --git a/newlib/libc/reent/Makefile.inc b/newlib/libc/reent/Makefile.inc
index 38ddf5766..26f952bfa 100644
--- a/newlib/libc/reent/Makefile.inc
+++ b/newlib/libc/reent/Makefile.inc
@@ -4,6 +4,7 @@ libc_a_SOURCES += \
 	%D%/impure.c \
 	%D%/fcntlr.c \
 	%D%/fstatr.c \
+	%D%/getentropyr.c \
 	%D%/getreent.c \
 	%D%/gettimeofdayr.c \
 	%D%/isattyr.c \
@@ -46,6 +47,7 @@ LIBC_CHEWOUT_FILES += \
 	%D%/execr.def \
 	%D%/fcntlr.def \
 	%D%/fstatr.def \
+	%D%/getentropyr.def \
 	%D%/gettimeofdayr.def \
 	%D%/linkr.def \
 	%D%/lseekr.def \
diff --git a/newlib/libc/reent/getentropyr.c b/newlib/libc/reent/getentropyr.c
new file mode 100644
index 000000000..e3f85e41b
--- /dev/null
+++ b/newlib/libc/reent/getentropyr.c
@@ -0,0 +1,53 @@
+/* Reentrant version of getentropy system call. */
+
+#include <reent.h>
+#include <unistd.h>
+#include <_syslist.h>
+
+/* Some targets provides their own versions of these functions.  Those
+   targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS.  */
+
+#ifdef _REENT_ONLY
+#ifndef REENTRANT_SYSCALLS_PROVIDED
+#define REENTRANT_SYSCALLS_PROVIDED
+#endif
+#endif
+
+#ifndef REENTRANT_SYSCALLS_PROVIDED
+
+/* We use the errno variable used by the system dependent layer.  */
+#undef errno
+extern int errno;
+
+/*
+FUNCTION
+	<<_getentropy_r>>---Reentrant version of getentropy
+
+INDEX
+	_getentropy_r
+
+SYNOPSIS
+	#include <reent.h>
+	int _getentropy_r(struct _reent *<[ptr]>,
+		          void *<[buf]>, size_t <[buflen]>);
+
+DESCRIPTION
+	This is a reentrant version of <<getentropy>>.  It
+	takes a pointer to the global data block, which holds
+	<<errno>>.
+*/
+
+int
+_getentropy_r (struct _reent *ptr,
+     void *buf,
+     size_t buflen)
+{
+  int ret;
+
+  errno = 0;
+  if ((ret = _getentropy (buf, buflen)) == -1 && errno != 0)
+    _REENT_ERRNO(ptr) = errno;
+  return ret;
+}
+
+#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
diff --git a/newlib/libc/syscalls/Makefile.inc b/newlib/libc/syscalls/Makefile.inc
index 627a4dfd2..7f7bbbddb 100644
--- a/newlib/libc/syscalls/Makefile.inc
+++ b/newlib/libc/syscalls/Makefile.inc
@@ -4,6 +4,7 @@ libc_a_SOURCES += \
 	%D%/sysclose.c \
 	%D%/sysfcntl.c \
 	%D%/sysfstat.c \
+	%D%/sysgetentropy.c \
 	%D%/sysgetpid.c \
 	%D%/sysgettod.c \
 	%D%/sysisatty.c \
diff --git a/newlib/libc/syscalls/sysgetentropy.c b/newlib/libc/syscalls/sysgetentropy.c
new file mode 100644
index 000000000..d68ccbc72
--- /dev/null
+++ b/newlib/libc/syscalls/sysgetentropy.c
@@ -0,0 +1,12 @@
+/* connector for getentropy */
+
+#include <reent.h>
+#include <sys/types.h>
+#include <sys/time.h>
+
+int
+getentropy (void *buf,
+     size_t buflen)
+{
+  return _getentropy_r (_REENT, buf, buflen);
+}