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-rw-r--r--ChangeLog39
-rw-r--r--bits/long-double.h39
-rw-r--r--bits/mathdef.h10
-rw-r--r--math/Makefile3
-rw-r--r--math/math.h4
-rw-r--r--misc/sys/cdefs.h1
-rw-r--r--stdlib/strtold.c2
-rw-r--r--sysdeps/alpha/bits/mathdef.h4
-rw-r--r--sysdeps/ieee754/ldbl-128/bits/long-double.h (renamed from sysdeps/ia64/bits/mathdef.h)10
-rw-r--r--sysdeps/ieee754/ldbl-96/bits/long-double.h (renamed from sysdeps/aarch64/bits/mathdef.h)11
-rw-r--r--sysdeps/ieee754/ldbl-opt/bits/long-double.h (renamed from sysdeps/s390/bits/mathdef.h)12
-rw-r--r--sysdeps/m68k/m680x0/bits/mathdef.h20
-rw-r--r--sysdeps/mips/bits/long-double.h (renamed from sysdeps/sparc/bits/mathdef.h)13
-rw-r--r--sysdeps/mips/bits/mathdef.h28
-rw-r--r--sysdeps/s390/s390-32/bits/wordsize.h11
-rw-r--r--sysdeps/s390/s390-64/bits/wordsize.h11
-rw-r--r--sysdeps/unix/sysv/linux/alpha/bits/wordsize.h11
-rw-r--r--sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h11
-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/long-double.h (renamed from sysdeps/powerpc/bits/mathdef.h)14
-rw-r--r--sysdeps/unix/sysv/linux/sparc/bits/wordsize.h13
-rw-r--r--sysdeps/x86/bits/mathdef.h20
21 files changed, 121 insertions, 166 deletions
diff --git a/ChangeLog b/ChangeLog
index 32ce9af..ba42b5b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,44 @@
2016-12-14 Joseph Myers <joseph@codesourcery.com>
+ * bits/long-double.h: New file.
+ * sysdeps/ieee754/ldbl-128/bits/long-double.h: Likewise.
+ * sysdeps/ieee754/ldbl-96/bits/long-double.h: Likewise.
+ * sysdeps/ieee754/ldbl-opt/bits/long-double.h: Likewise.
+ * sysdeps/mips/bits/long-double.h: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/bits/long-double.h: Likewise.
+ * math/Makefile (headers): Add bits/long-double.h.
+ * misc/sys/cdefs.h: Include <bits/long-double.h>.
+ * stdlib/strtold.c: Include <bits/long-double.h> instead of
+ <bits/wordsize.h>.
+ * bits/mathdef.h [!_COMPLEX_H]: Do not allow inclusion.
+ [!__NO_LONG_DOUBLE_MATH]: Remove conditional code.
+ * math/math.h: Do not include <bits/mathdef.h>.
+ * sysdeps/aarch64/bits/mathdef.h: Remove file.
+ * sysdeps/alpha/bits/mathdef.h [!_COMPLEX_H]: Do not allow
+ inclusion.
+ * sysdeps/ia64/bits/mathdef.h: Remove file.
+ * sysdeps/m68k/m680x0/bits/mathdef.h: Likewise.
+ * sysdeps/mips/bits/mathdef.h: Likewise.
+ * sysdeps/powerpc/bits/mathdef.h: Likewise.
+ * sysdeps/s390/bits/mathdef.h: Likewise.
+ * sysdeps/sparc/bits/mathdef.h: Likewise.
+ * sysdeps/x86/bits/mathdef.h: Likewise.
+ * sysdeps/s390/s390-32/bits/wordsize.h
+ [!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]: Remove
+ conditional code.
+ * sysdeps/s390/s390-64/bits/wordsize.h
+ [!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
+ Likewise.
+ * sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
+ [!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
+ Likewise.
+ * sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
+ [!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
+ Likewise.
+ * sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
+ [!__NO_LONG_DOUBLE_MATH && !__LONG_DOUBLE_MATH_OPTIONAL]:
+ Likewise.
+
* sysdeps/unix/sysv/linux/bits/fcntl-linux.h [__USE_GNU]: Include
<linux/falloc.h>.
(FALLOC_FL_KEEP_SIZE): Remove.
diff --git a/bits/long-double.h b/bits/long-double.h
new file mode 100644
index 0000000..1657857
--- /dev/null
+++ b/bits/long-double.h
@@ -0,0 +1,39 @@
+/* Properties of long double type.
+ Copyright (C) 2016 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 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/>. */
+
+/* This header is included by <sys/cdefs.h>.
+
+ If long double is ABI-compatible with double, it should define
+ __NO_LONG_DOUBLE_MATH to 1; otherwise, it should leave
+ __NO_LONG_DOUBLE_MATH undefined.
+
+ If this build of the GNU C Library supports both long double
+ ABI-compatible with double and some other long double format not
+ ABI-compatible with double, it should define
+ __LONG_DOUBLE_MATH_OPTIONAL to 1; otherwise, it should leave
+ __LONG_DOUBLE_MATH_OPTIONAL undefined.
+
+ If __NO_LONG_DOUBLE_MATH is already defined, this header must not
+ define anything; this is needed to work with the definition of
+ __NO_LONG_DOUBLE_MATH in nldbl-compat.h. */
+
+/* In the default version of this header, long double is
+ ABI-compatible with double. */
+#ifndef __NO_LONG_DOUBLE_MATH
+# define __NO_LONG_DOUBLE_MATH 1
+#endif
diff --git a/bits/mathdef.h b/bits/mathdef.h
index 0148297..5e80e92 100644
--- a/bits/mathdef.h
+++ b/bits/mathdef.h
@@ -15,12 +15,6 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
-
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'. The disables the
- declaration of all the `long double' function variants. */
-# define __NO_LONG_DOUBLE_MATH 1
+#ifndef _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <complex.h> instead"
#endif
diff --git a/math/Makefile b/math/Makefile
index 1e96100..84d061f 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -28,7 +28,8 @@ headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \
bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h \
bits/math-finite.h bits/math-vector.h \
bits/libm-simd-decl-stubs.h bits/iscanonical.h \
- bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h
+ bits/flt-eval-method.h bits/fp-fast.h bits/fp-logb.h \
+ bits/long-double.h
# FPU support code.
aux := setfpucw fpu_control
diff --git a/math/math.h b/math/math.h
index b8f4b41..1dca146 100644
--- a/math/math.h
+++ b/math/math.h
@@ -138,10 +138,6 @@ typedef _Float128x double_t;
# endif
#endif
-/* Get information about long double. */
-
-#include <bits/mathdef.h>
-
/* Get the architecture specific values describing the floating-point
evaluation. The following symbols will get defined:
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 9298dd6..e07f3fc 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -439,6 +439,7 @@
#endif
#include <bits/wordsize.h>
+#include <bits/long-double.h>
#if defined __LONG_DOUBLE_MATH_OPTIONAL && defined __NO_LONG_DOUBLE_MATH
# define __LDBL_COMPAT 1
diff --git a/stdlib/strtold.c b/stdlib/strtold.c
index bb46f23..251663f 100644
--- a/stdlib/strtold.c
+++ b/stdlib/strtold.c
@@ -20,7 +20,7 @@
/* The actual implementation for all floating point sizes is in strtod.c.
These macros tell it to produce the `float' version, `strtof'. */
-#include <bits/wordsize.h>
+#include <bits/long-double.h>
#ifdef __LONG_DOUBLE_MATH_OPTIONAL
# include <wchar.h>
diff --git a/sysdeps/alpha/bits/mathdef.h b/sysdeps/alpha/bits/mathdef.h
index 021563f..e56f3e5 100644
--- a/sysdeps/alpha/bits/mathdef.h
+++ b/sysdeps/alpha/bits/mathdef.h
@@ -15,8 +15,8 @@
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#ifndef _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <complex.h> instead"
#endif
#if defined _COMPLEX_H && !defined _COMPLEX_H_MATHDEF
diff --git a/sysdeps/ia64/bits/mathdef.h b/sysdeps/ieee754/ldbl-128/bits/long-double.h
index e689835..3f10da8 100644
--- a/sysdeps/ia64/bits/mathdef.h
+++ b/sysdeps/ieee754/ldbl-128/bits/long-double.h
@@ -1,9 +1,10 @@
-/* Copyright (C) 2000-2016 Free Software Foundation, Inc.
+/* Properties of long double type. ldbl-128 version.
+ Copyright (C) 2016 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
+ License 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,
@@ -15,6 +16,5 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
+/* long double is distinct from double, so there is nothing to
+ define here. */
diff --git a/sysdeps/aarch64/bits/mathdef.h b/sysdeps/ieee754/ldbl-96/bits/long-double.h
index 2213635..180a7cf 100644
--- a/sysdeps/aarch64/bits/mathdef.h
+++ b/sysdeps/ieee754/ldbl-96/bits/long-double.h
@@ -1,10 +1,10 @@
-/* Copyright (C) 1999-2016 Free Software Foundation, Inc.
-
+/* Properties of long double type. ldbl-96 version.
+ Copyright (C) 2016 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
+ License 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,
@@ -16,6 +16,5 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
+/* long double is distinct from double, so there is nothing to
+ define here. */
diff --git a/sysdeps/s390/bits/mathdef.h b/sysdeps/ieee754/ldbl-opt/bits/long-double.h
index eeea6fc..dce98c3 100644
--- a/sysdeps/s390/bits/mathdef.h
+++ b/sysdeps/ieee754/ldbl-opt/bits/long-double.h
@@ -1,9 +1,10 @@
-/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
+/* Properties of long double type. ldbl-opt version.
+ Copyright (C) 2016 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
+ License 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,
@@ -15,6 +16,9 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#ifndef __NO_LONG_DOUBLE_MATH
+# define __LONG_DOUBLE_MATH_OPTIONAL 1
+# ifndef __LONG_DOUBLE_128__
+# define __NO_LONG_DOUBLE_MATH 1
+# endif
#endif
diff --git a/sysdeps/m68k/m680x0/bits/mathdef.h b/sysdeps/m68k/m680x0/bits/mathdef.h
deleted file mode 100644
index 7926c6a..0000000
--- a/sysdeps/m68k/m680x0/bits/mathdef.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright (C) 1997-2016 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/>. */
-
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
diff --git a/sysdeps/sparc/bits/mathdef.h b/sysdeps/mips/bits/long-double.h
index 65ab45a..b51fce8 100644
--- a/sysdeps/sparc/bits/mathdef.h
+++ b/sysdeps/mips/bits/long-double.h
@@ -1,9 +1,10 @@
-/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
+/* Properties of long double type. MIPS version.
+ Copyright (C) 2016 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
+ License 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,
@@ -15,8 +16,8 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
+#include <sgidefs.h>
-#include <bits/wordsize.h>
+#if !defined __NO_LONG_DOUBLE_MATH && _MIPS_SIM == _ABIO32
+# define __NO_LONG_DOUBLE_MATH 1
+#endif
diff --git a/sysdeps/mips/bits/mathdef.h b/sysdeps/mips/bits/mathdef.h
deleted file mode 100644
index 31fc400..0000000
--- a/sysdeps/mips/bits/mathdef.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* Copyright (C) 1997-2016 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/>. */
-
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
-
-#include <sgidefs.h>
-
-#if ! defined __NO_LONG_DOUBLE_MATH && _MIPS_SIM == _ABIO32
-/* Signal that we do not really have a `long double'. This disables the
- declaration of all the `long double' function variants. */
-# define __NO_LONG_DOUBLE_MATH 1
-#endif
diff --git a/sysdeps/s390/s390-32/bits/wordsize.h b/sysdeps/s390/s390-32/bits/wordsize.h
index c7a5fbf..129e471 100644
--- a/sysdeps/s390/s390-32/bits/wordsize.h
+++ b/sysdeps/s390/s390-32/bits/wordsize.h
@@ -9,14 +9,3 @@
#endif
#define __WORDSIZE_TIME64_COMPAT32 0
-
-#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
-
-/* Signal that we didn't used to have a `long double'. The changes all
- the `long double' function variants to be redirects to the double
- functions. */
-# define __LONG_DOUBLE_MATH_OPTIONAL 1
-# ifndef __LONG_DOUBLE_128__
-# define __NO_LONG_DOUBLE_MATH 1
-# endif
-#endif
diff --git a/sysdeps/s390/s390-64/bits/wordsize.h b/sysdeps/s390/s390-64/bits/wordsize.h
index 31e0ec6..00e88b0 100644
--- a/sysdeps/s390/s390-64/bits/wordsize.h
+++ b/sysdeps/s390/s390-64/bits/wordsize.h
@@ -9,14 +9,3 @@
#endif
#define __WORDSIZE_TIME64_COMPAT32 0
-
-#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
-
-/* Signal that we didn't used to have a `long double'. The changes all
- the `long double' function variants to be redirects to the double
- functions. */
-# define __LONG_DOUBLE_MATH_OPTIONAL 1
-# ifndef __LONG_DOUBLE_128__
-# define __NO_LONG_DOUBLE_MATH 1
-# endif
-#endif
diff --git a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
index f0961f6..2ef70a9 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/wordsize.h
@@ -17,14 +17,3 @@
#define __WORDSIZE 64
#define __WORDSIZE_TIME64_COMPAT32 0
-
-#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
-
-/* Signal that we didn't used to have a `long double'. The changes all
- the `long double' function variants to be redirects to the double
- functions. */
-# define __LONG_DOUBLE_MATH_OPTIONAL 1
-# ifndef __LONG_DOUBLE_128__
-# define __NO_LONG_DOUBLE_MATH 1
-# endif
-#endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
index 109f08c..04ca9de 100644
--- a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h
@@ -9,14 +9,3 @@
# define __WORDSIZE32_SIZE_ULONG 0
# define __WORDSIZE32_PTRDIFF_LONG 0
#endif
-
-#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
-
-/* Signal the glibc ABI didn't used to have a `long double'.
- The changes all the `long double' function variants to be redirects
- to the double functions. */
-# define __LONG_DOUBLE_MATH_OPTIONAL 1
-# ifndef __LONG_DOUBLE_128__
-# define __NO_LONG_DOUBLE_MATH 1
-# endif
-#endif
diff --git a/sysdeps/powerpc/bits/mathdef.h b/sysdeps/unix/sysv/linux/sparc/bits/long-double.h
index eeea6fc..20039ce 100644
--- a/sysdeps/powerpc/bits/mathdef.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/long-double.h
@@ -1,9 +1,10 @@
-/* Copyright (C) 1997-2016 Free Software Foundation, Inc.
+/* Properties of long double type. SPARC version.
+ Copyright (C) 2016 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
+ License 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,
@@ -15,6 +16,11 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#include <bits/wordsize.h>
+
+#if !defined __NO_LONG_DOUBLE_MATH && __WORDSIZE == 32
+# define __LONG_DOUBLE_MATH_OPTIONAL 1
+# ifndef __LONG_DOUBLE_128__
+# define __NO_LONG_DOUBLE_MATH 1
+# endif
#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
index 121b4fe..7562875 100644
--- a/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
+++ b/sysdeps/unix/sysv/linux/sparc/bits/wordsize.h
@@ -9,16 +9,3 @@
# define __WORDSIZE32_PTRDIFF_LONG 0
# define __WORDSIZE_TIME64_COMPAT32 0
#endif
-
-#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL
-
-# if __WORDSIZE == 32
-/* Signal that in 32bit ABI we didn't used to have a `long double'.
- The changes all the `long double' function variants to be redirects
- to the double functions. */
-# define __LONG_DOUBLE_MATH_OPTIONAL 1
-# ifndef __LONG_DOUBLE_128__
-# define __NO_LONG_DOUBLE_MATH 1
-# endif
-# endif
-#endif
diff --git a/sysdeps/x86/bits/mathdef.h b/sysdeps/x86/bits/mathdef.h
deleted file mode 100644
index 1c6aee6..0000000
--- a/sysdeps/x86/bits/mathdef.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright (C) 2001-2016 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/>. */
-
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif