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-rw-r--r--modules/fdlibm/patches/01_remove_unused_declarations_from_fdlibm_h.patch511
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diff --git a/modules/fdlibm/patches/01_remove_unused_declarations_from_fdlibm_h.patch b/modules/fdlibm/patches/01_remove_unused_declarations_from_fdlibm_h.patch
new file mode 100644
index 0000000000..6365f71488
--- /dev/null
+++ b/modules/fdlibm/patches/01_remove_unused_declarations_from_fdlibm_h.patch
@@ -0,0 +1,511 @@
+diff --git a/fdlibm.h b/fdlibm.h
+--- a/fdlibm.h
++++ b/fdlibm.h
+@@ -12,504 +12,66 @@
+ /*
+ * from: @(#)fdlibm.h 5.1 93/09/24
+ * $FreeBSD$
+ */
+
+ #ifndef _MATH_H_
+ #define _MATH_H_
+
+-#include <sys/cdefs.h>
+-#include <sys/_types.h>
+-#include <machine/_limits.h>
+-
+-/*
+- * ANSI/POSIX
+- */
+-extern const union __infinity_un {
+- unsigned char __uc[8];
+- double __ud;
+-} __infinity;
+-
+-extern const union __nan_un {
+- unsigned char __uc[sizeof(float)];
+- float __uf;
+-} __nan;
+-
+-#if __GNUC_PREREQ__(3, 3)
+-#define __MATH_BUILTIN_CONSTANTS
+-#endif
+-
+-#if __GNUC_PREREQ__(3, 0)
+-#define __MATH_BUILTIN_RELOPS
+-#endif
+-
+-#ifdef __MATH_BUILTIN_CONSTANTS
+-#define HUGE_VAL __builtin_huge_val()
+-#else
+-#define HUGE_VAL (__infinity.__ud)
+-#endif
+-
+-#if __ISO_C_VISIBLE >= 1999
+-#define FP_ILOGB0 (-__INT_MAX)
+-#define FP_ILOGBNAN __INT_MAX
+-
+-#ifdef __MATH_BUILTIN_CONSTANTS
+-#define HUGE_VALF __builtin_huge_valf()
+-#define HUGE_VALL __builtin_huge_vall()
+-#define INFINITY __builtin_inff()
+-#define NAN __builtin_nanf("")
+-#else
+-#define HUGE_VALF (float)HUGE_VAL
+-#define HUGE_VALL (long double)HUGE_VAL
+-#define INFINITY HUGE_VALF
+-#define NAN (__nan.__uf)
+-#endif /* __MATH_BUILTIN_CONSTANTS */
+-
+-#define MATH_ERRNO 1
+-#define MATH_ERREXCEPT 2
+-#define math_errhandling MATH_ERREXCEPT
+-
+-#define FP_FAST_FMAF 1
+-
+-/* Symbolic constants to classify floating point numbers. */
+-#define FP_INFINITE 0x01
+-#define FP_NAN 0x02
+-#define FP_NORMAL 0x04
+-#define FP_SUBNORMAL 0x08
+-#define FP_ZERO 0x10
+-
+-#if __STDC_VERSION__ >= 201112L || __has_extension(c_generic_selections)
+-#define __fp_type_select(x, f, d, ld) __extension__ _Generic((x), \
+- float: f(x), \
+- double: d(x), \
+- long double: ld(x))
+-#elif __GNUC_PREREQ__(3, 1) && !defined(__cplusplus)
+-#define __fp_type_select(x, f, d, ld) __builtin_choose_expr( \
+- __builtin_types_compatible_p(__typeof(x), long double), ld(x), \
+- __builtin_choose_expr( \
+- __builtin_types_compatible_p(__typeof(x), double), d(x), \
+- __builtin_choose_expr( \
+- __builtin_types_compatible_p(__typeof(x), float), f(x), (void)0)))
+-#else
+-#define __fp_type_select(x, f, d, ld) \
+- ((sizeof(x) == sizeof(float)) ? f(x) \
+- : (sizeof(x) == sizeof(double)) ? d(x) \
+- : ld(x))
+-#endif
+-
+-#define fpclassify(x) \
+- __fp_type_select(x, __fpclassifyf, __fpclassifyd, __fpclassifyl)
+-#define isfinite(x) __fp_type_select(x, __isfinitef, __isfinite, __isfinitel)
+-#define isinf(x) __fp_type_select(x, __isinff, __isinf, __isinfl)
+-#define isnan(x) \
+- __fp_type_select(x, __inline_isnanf, __inline_isnan, __inline_isnanl)
+-#define isnormal(x) __fp_type_select(x, __isnormalf, __isnormal, __isnormall)
+-
+-#ifdef __MATH_BUILTIN_RELOPS
+-#define isgreater(x, y) __builtin_isgreater((x), (y))
+-#define isgreaterequal(x, y) __builtin_isgreaterequal((x), (y))
+-#define isless(x, y) __builtin_isless((x), (y))
+-#define islessequal(x, y) __builtin_islessequal((x), (y))
+-#define islessgreater(x, y) __builtin_islessgreater((x), (y))
+-#define isunordered(x, y) __builtin_isunordered((x), (y))
+-#else
+-#define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y))
+-#define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y))
+-#define isless(x, y) (!isunordered((x), (y)) && (x) < (y))
+-#define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y))
+-#define islessgreater(x, y) (!isunordered((x), (y)) && \
+- ((x) > (y) || (y) > (x)))
+-#define isunordered(x, y) (isnan(x) || isnan(y))
+-#endif /* __MATH_BUILTIN_RELOPS */
+-
+-#define signbit(x) __fp_type_select(x, __signbitf, __signbit, __signbitl)
+-
+-typedef __double_t double_t;
+-typedef __float_t float_t;
+-#endif /* __ISO_C_VISIBLE >= 1999 */
+-
+-/*
+- * XOPEN/SVID
+- */
+-#if __BSD_VISIBLE || __XSI_VISIBLE
+-#define M_E 2.7182818284590452354 /* e */
+-#define M_LOG2E 1.4426950408889634074 /* log 2e */
+-#define M_LOG10E 0.43429448190325182765 /* log 10e */
+-#define M_LN2 0.69314718055994530942 /* log e2 */
+-#define M_LN10 2.30258509299404568402 /* log e10 */
+-#define M_PI 3.14159265358979323846 /* pi */
+ #define M_PI_2 1.57079632679489661923 /* pi/2 */
+-#define M_PI_4 0.78539816339744830962 /* pi/4 */
+-#define M_1_PI 0.31830988618379067154 /* 1/pi */
+-#define M_2_PI 0.63661977236758134308 /* 2/pi */
+-#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
+-#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
+-#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
+-
+-#define MAXFLOAT ((float)3.40282346638528860e+38)
+-extern int signgam;
+-#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
+-
+-#if __BSD_VISIBLE
+-#if 0
+-/* Old value from 4.4BSD-Lite math.h; this is probably better. */
+-#define HUGE HUGE_VAL
+-#else
+-#define HUGE MAXFLOAT
+-#endif
+-#endif /* __BSD_VISIBLE */
+-
+-/*
+- * Most of these functions depend on the rounding mode and have the side
+- * effect of raising floating-point exceptions, so they are not declared
+- * as __pure2. In C99, FENV_ACCESS affects the purity of these functions.
+- */
+-__BEGIN_DECLS
+-/*
+- * ANSI/POSIX
+- */
+-int __fpclassifyd(double) __pure2;
+-int __fpclassifyf(float) __pure2;
+-int __fpclassifyl(long double) __pure2;
+-int __isfinitef(float) __pure2;
+-int __isfinite(double) __pure2;
+-int __isfinitel(long double) __pure2;
+-int __isinff(float) __pure2;
+-int __isinf(double) __pure2;
+-int __isinfl(long double) __pure2;
+-int __isnormalf(float) __pure2;
+-int __isnormal(double) __pure2;
+-int __isnormall(long double) __pure2;
+-int __signbit(double) __pure2;
+-int __signbitf(float) __pure2;
+-int __signbitl(long double) __pure2;
+-
+-static __inline int
+-__inline_isnan(__const double __x)
+-{
+-
+- return (__x != __x);
+-}
+-
+-static __inline int
+-__inline_isnanf(__const float __x)
+-{
+-
+- return (__x != __x);
+-}
+-
+-static __inline int
+-__inline_isnanl(__const long double __x)
+-{
+-
+- return (__x != __x);
+-}
+-
+-/*
+- * Define the following aliases, for compatibility with glibc and CUDA.
+- */
+-#define __isnan __inline_isnan
+-#define __isnanf __inline_isnanf
+-
+-/*
+- * Version 2 of the Single UNIX Specification (UNIX98) defined isnan() and
+- * isinf() as functions taking double. C99, and the subsequent POSIX revisions
+- * (SUSv3, POSIX.1-2001, define it as a macro that accepts any real floating
+- * point type. If we are targeting SUSv2 and C99 or C11 (or C++11) then we
+- * expose the newer definition, assuming that the language spec takes
+- * precedence over the operating system interface spec.
+- */
+-#if __XSI_VISIBLE > 0 && __XSI_VISIBLE < 600 && __ISO_C_VISIBLE < 1999
+-#undef isinf
+-#undef isnan
+-int isinf(double);
+-int isnan(double);
+-#endif
+-
+ double acos(double);
+ double asin(double);
+ double atan(double);
+ double atan2(double, double);
+ double cos(double);
+ double sin(double);
+ double tan(double);
+
+ double cosh(double);
+ double sinh(double);
+ double tanh(double);
+
+ double exp(double);
+-double frexp(double, int *); /* fundamentally !__pure2 */
+-double ldexp(double, int);
+ double log(double);
+ double log10(double);
+-double modf(double, double *); /* fundamentally !__pure2 */
+
+ double pow(double, double);
+-double sqrt(double);
+
+ double ceil(double);
+-double fabs(double) __pure2;
++double fabs(double);
+ double floor(double);
+-double fmod(double, double);
+
+-/*
+- * These functions are not in C90.
+- */
+-#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE
+ double acosh(double);
+ double asinh(double);
+ double atanh(double);
+ double cbrt(double);
+-double erf(double);
+-double erfc(double);
+ double exp2(double);
+ double expm1(double);
+-double fma(double, double, double);
+ double hypot(double, double);
+-int ilogb(double) __pure2;
+-double lgamma(double);
+-long long llrint(double);
+-long long llround(double);
+ double log1p(double);
+ double log2(double);
+-double logb(double);
+-long lrint(double);
+-long lround(double);
+-double nan(const char *) __pure2;
+-double nextafter(double, double);
+-double remainder(double, double);
+-double remquo(double, double, int *);
+ double rint(double);
+-#endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */
+-
+-#if __BSD_VISIBLE || __XSI_VISIBLE
+-double j0(double);
+-double j1(double);
+-double jn(int, double);
+-double y0(double);
+-double y1(double);
+-double yn(int, double);
+-
+-#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
+-double gamma(double);
+-#endif
+-
+-#if __XSI_VISIBLE <= 600 || __BSD_VISIBLE
+-double scalb(double, double);
+-#endif
+-#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
+-
+-#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
+-double copysign(double, double) __pure2;
+-double fdim(double, double);
+-double fmax(double, double) __pure2;
+-double fmin(double, double) __pure2;
++double copysign(double, double);
+ double nearbyint(double);
+-double round(double);
+-double scalbln(double, long);
+ double scalbn(double, int);
+-double tgamma(double);
+ double trunc(double);
+-#endif
+-
+-/*
+- * BSD math library entry points
+- */
+-#if __BSD_VISIBLE
+-double drem(double, double);
+-int finite(double) __pure2;
+-int isnanf(float) __pure2;
+-
+-/*
+- * Reentrant version of gamma & lgamma; passes signgam back by reference
+- * as the second argument; user must allocate space for signgam.
+- */
+-double gamma_r(double, int *);
+-double lgamma_r(double, int *);
+-
+-/*
+- * IEEE Test Vector
+- */
+-double significand(double);
+-#endif /* __BSD_VISIBLE */
+-
+-/* float versions of ANSI/POSIX functions */
+-#if __ISO_C_VISIBLE >= 1999
+ float acosf(float);
+ float asinf(float);
+ float atanf(float);
+-float atan2f(float, float);
+ float cosf(float);
+ float sinf(float);
+ float tanf(float);
+-
+-float coshf(float);
+-float sinhf(float);
+-float tanhf(float);
+-
+ float exp2f(float);
+ float expf(float);
+-float expm1f(float);
+-float frexpf(float, int *); /* fundamentally !__pure2 */
+-int ilogbf(float) __pure2;
+-float ldexpf(float, int);
+-float log10f(float);
+-float log1pf(float);
+-float log2f(float);
+ float logf(float);
+-float modff(float, float *); /* fundamentally !__pure2 */
+-
+ float powf(float, float);
+ float sqrtf(float);
+
+ float ceilf(float);
+-float fabsf(float) __pure2;
++float fabsf(float);
+ float floorf(float);
+-float fmodf(float, float);
+-float roundf(float);
+-
+-float erff(float);
+-float erfcf(float);
+-float hypotf(float, float);
+-float lgammaf(float);
+-float tgammaf(float);
+-
+-float acoshf(float);
+-float asinhf(float);
+-float atanhf(float);
+-float cbrtf(float);
+-float logbf(float);
+-float copysignf(float, float) __pure2;
+-long long llrintf(float);
+-long long llroundf(float);
+-long lrintf(float);
+-long lroundf(float);
+-float nanf(const char *) __pure2;
+ float nearbyintf(float);
+-float nextafterf(float, float);
+-float remainderf(float, float);
+-float remquof(float, float, int *);
+ float rintf(float);
+-float scalblnf(float, long);
+ float scalbnf(float, int);
+ float truncf(float);
+
+-float fdimf(float, float);
+-float fmaf(float, float, float);
+-float fmaxf(float, float) __pure2;
+-float fminf(float, float) __pure2;
+-#endif
+-
+-/*
+- * float versions of BSD math library entry points
+- */
+-#if __BSD_VISIBLE
+-float dremf(float, float);
+-int finitef(float) __pure2;
+-float gammaf(float);
+-float j0f(float);
+-float j1f(float);
+-float jnf(int, float);
+-float scalbf(float, float);
+-float y0f(float);
+-float y1f(float);
+-float ynf(int, float);
+-
+-/*
+- * Float versions of reentrant version of gamma & lgamma; passes
+- * signgam back by reference as the second argument; user must
+- * allocate space for signgam.
+- */
+-float gammaf_r(float, int *);
+-float lgammaf_r(float, int *);
+-
+-/*
+- * float version of IEEE Test Vector
+- */
+-float significandf(float);
+-#endif /* __BSD_VISIBLE */
+-
+-/*
+- * long double versions of ISO/POSIX math functions
+- */
+-#if __ISO_C_VISIBLE >= 1999
+-long double acoshl(long double);
+-long double acosl(long double);
+-long double asinhl(long double);
+-long double asinl(long double);
+-long double atan2l(long double, long double);
+-long double atanhl(long double);
+-long double atanl(long double);
+-long double cbrtl(long double);
+-long double ceill(long double);
+-long double copysignl(long double, long double) __pure2;
+-long double coshl(long double);
+-long double cosl(long double);
+-long double erfcl(long double);
+-long double erfl(long double);
+-long double exp2l(long double);
+-long double expl(long double);
+-long double expm1l(long double);
+-long double fabsl(long double) __pure2;
+-long double fdiml(long double, long double);
+-long double floorl(long double);
+-long double fmal(long double, long double, long double);
+-long double fmaxl(long double, long double) __pure2;
+-long double fminl(long double, long double) __pure2;
+-long double fmodl(long double, long double);
+-long double frexpl(long double, int *); /* fundamentally !__pure2 */
+-long double hypotl(long double, long double);
+-int ilogbl(long double) __pure2;
+-long double ldexpl(long double, int);
+-long double lgammal(long double);
+-long long llrintl(long double);
+-long long llroundl(long double);
+-long double log10l(long double);
+-long double log1pl(long double);
+-long double log2l(long double);
+-long double logbl(long double);
+-long double logl(long double);
+-long lrintl(long double);
+-long lroundl(long double);
+-long double modfl(long double, long double *); /* fundamentally !__pure2 */
+-long double nanl(const char *) __pure2;
+-long double nearbyintl(long double);
+-long double nextafterl(long double, long double);
+-double nexttoward(double, long double);
+-float nexttowardf(float, long double);
+-long double nexttowardl(long double, long double);
+-long double powl(long double, long double);
+-long double remainderl(long double, long double);
+-long double remquol(long double, long double, int *);
+-long double rintl(long double);
+-long double roundl(long double);
+-long double scalblnl(long double, long);
+-long double scalbnl(long double, int);
+-long double sinhl(long double);
+-long double sinl(long double);
+-long double sqrtl(long double);
+-long double tanhl(long double);
+-long double tanl(long double);
+-long double tgammal(long double);
+-long double truncl(long double);
+-#endif /* __ISO_C_VISIBLE >= 1999 */
+-
+-#if __BSD_VISIBLE
+-long double lgammal_r(long double, int *);
+-void sincos(double, double *, double *);
+-void sincosf(float, float *, float *);
+-void sincosl(long double, long double *, long double *);
+-double cospi(double);
+-float cospif(float);
+-long double cospil(long double);
+-double sinpi(double);
+-float sinpif(float);
+-long double sinpil(long double);
+-double tanpi(double);
+-float tanpif(float);
+-long double tanpil(long double);
+-#endif
+-
+-__END_DECLS
+-
+ #endif /* !_MATH_H_ */