diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index e1ddbf9787..9186e3af96 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -46,7 +46,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
 		  bits/msq-pad.h bits/sem-pad.h bits/shmlba.h bits/shm-pad.h \
 		  bits/termios-struct.h bits/termios-c_cc.h \
 		  bits/termios-c_iflag.h bits/termios-c_oflag.h \
-		  bits/termios-baud.h
+		  bits/termios-baud.h bits/termios-c_cflag.h
 
 tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
 	 tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h
new file mode 100644
index 0000000000..f0948a9019
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios-c_cflag.h
@@ -0,0 +1,35 @@
+/* termios control mode definitions.  Linux/alpha version.
+   Copyright (C) 2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _TERMIOS_H
+# error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
+#endif
+
+#define CSIZE	00001400
+#define   CS5	00000000
+#define   CS6	00000400
+#define   CS7	00001000
+#define   CS8	00001400
+
+#define CSTOPB	00002000
+#define CREAD	00004000
+#define PARENB	00010000
+#define PARODD	00020000
+#define HUPCL	00040000
+
+#define CLOCAL	00100000
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/termios.h b/sysdeps/unix/sysv/linux/alpha/bits/termios.h
index 530dd48410..e0963df7fa 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/termios.h
@@ -52,19 +52,7 @@ typedef unsigned int	tcflag_t;
 #endif
 #include <bits/termios-baud.h>
 
-#define CSIZE	00001400
-#define   CS5	00000000
-#define   CS6	00000400
-#define   CS7	00001000
-#define   CS8	00001400
-
-#define CSTOPB	00002000
-#define CREAD	00004000
-#define PARENB	00010000
-#define PARODD	00020000
-#define HUPCL	00040000
-
-#define CLOCAL	00100000
+#include <bits/termios-c_cflag.h>
 
 /* c_lflag bits */
 #define ISIG	0x00000080
diff --git a/sysdeps/unix/sysv/linux/bits/termios-c_cflag.h b/sysdeps/unix/sysv/linux/bits/termios-c_cflag.h
new file mode 100644
index 0000000000..605a830498
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/termios-c_cflag.h
@@ -0,0 +1,34 @@
+/* termios control mode definitions.  Linux/generic version.
+   Copyright (C) 2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _TERMIOS_H
+# error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
+#endif
+
+/* c_cflag bits.  */
+#define CSIZE	0000060
+#define   CS5	0000000
+#define   CS6	0000020
+#define   CS7	0000040
+#define   CS8	0000060
+#define CSTOPB	0000100
+#define CREAD	0000200
+#define PARENB	0000400
+#define PARODD	0001000
+#define HUPCL	0002000
+#define CLOCAL	0004000
diff --git a/sysdeps/unix/sysv/linux/bits/termios.h b/sysdeps/unix/sysv/linux/bits/termios.h
index 07ffdf9779..8ead02e00a 100644
--- a/sysdeps/unix/sysv/linux/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/bits/termios.h
@@ -52,17 +52,7 @@ typedef unsigned int	tcflag_t;
 #endif
 #include <bits/termios-baud.h>
 
-#define CSIZE	0000060
-#define   CS5	0000000
-#define   CS6	0000020
-#define   CS7	0000040
-#define   CS8	0000060
-#define CSTOPB	0000100
-#define CREAD	0000200
-#define PARENB	0000400
-#define PARODD	0001000
-#define HUPCL	0002000
-#define CLOCAL	0004000
+#include <bits/termios-c_cflag.h>
 
 /* c_lflag bits */
 #define ISIG	0000001
diff --git a/sysdeps/unix/sysv/linux/mips/bits/termios.h b/sysdeps/unix/sysv/linux/mips/bits/termios.h
index 008527577f..b846099b09 100644
--- a/sysdeps/unix/sysv/linux/mips/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/mips/bits/termios.h
@@ -52,17 +52,7 @@ typedef unsigned int	tcflag_t;
 #endif
 #include <bits/termios-baud.h>
 
-#define CSIZE	0000060		/* Number of bits per byte (mask).  */
-#define   CS5	0000000		/* 5 bits per byte.  */
-#define   CS6	0000020		/* 6 bits per byte.  */
-#define   CS7	0000040		/* 7 bits per byte.  */
-#define   CS8	0000060		/* 8 bits per byte.  */
-#define CSTOPB	0000100		/* Two stop bits instead of one.  */
-#define CREAD	0000200		/* Enable receiver.  */
-#define PARENB	0000400		/* Parity enable.  */
-#define PARODD	0001000		/* Odd parity instead of even.  */
-#define HUPCL	0002000		/* Hang up on last close.  */
-#define CLOCAL	0004000		/* Ignore modem status lines.  */
+#include <bits/termios-c_cflag.h>
 
 /* c_lflag bits */
 #define ISIG	0000001		/* Enable signals.  */
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/termios-c_cflag.h b/sysdeps/unix/sysv/linux/powerpc/bits/termios-c_cflag.h
new file mode 100644
index 0000000000..0f33de096e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/termios-c_cflag.h
@@ -0,0 +1,35 @@
+/* termios control mode definitions.  Linux/powerpc version.
+   Copyright (C) 2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _TERMIOS_H
+# error "Never include <bits/termios-c_cflag.h> directly; use <termios.h> instead."
+#endif
+
+#define CSIZE	00001400
+#define   CS5	00000000
+#define   CS6	00000400
+#define   CS7	00001000
+#define   CS8	00001400
+
+#define CSTOPB	00002000
+#define CREAD	00004000
+#define PARENB	00010000
+#define PARODD	00020000
+#define HUPCL	00040000
+
+#define CLOCAL	00100000
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/termios.h b/sysdeps/unix/sysv/linux/powerpc/bits/termios.h
index 2f928d5217..d49a882ed9 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/termios.h
@@ -51,19 +51,7 @@ typedef unsigned int	tcflag_t;
 #endif
 #include <bits/termios-baud.h>
 
-#define CSIZE	00001400
-#define   CS5	00000000
-#define   CS6	00000400
-#define   CS7	00001000
-#define   CS8	00001400
-
-#define CSTOPB	00002000
-#define CREAD	00004000
-#define PARENB	00010000
-#define PARODD	00020000
-#define HUPCL	00040000
-
-#define CLOCAL	00100000
+#include <bits/termios-c_cflag.h>
 
 /* c_lflag bits */
 #define ISIG	0x00000080
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/termios.h b/sysdeps/unix/sysv/linux/sparc/bits/termios.h
index d612080754..31d588caeb 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/termios.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/termios.h
@@ -52,17 +52,7 @@ typedef unsigned int tcflag_t;
 #endif
 #include <bits/termios-baud.h>
 
-#define  CSIZE  0x00000030
-#define   CS5	0x00000000
-#define   CS6	0x00000010
-#define   CS7	0x00000020
-#define   CS8	0x00000030
-#define CSTOPB	0x00000040
-#define CREAD	0x00000080
-#define PARENB	0x00000100
-#define PARODD	0x00000200
-#define HUPCL	0x00000400
-#define CLOCAL	0x00000800
+#include <bits/termios-c_cflag.h>
 
 /* c_lflag bits */
 #define ISIG	0x00000001
