| [PATCH] uClibc can be (and by default is) configured without bessel functions |
| |
| Signed-off-by: Peter Korsgaard <peter@korsgaard.com> |
| --- |
| umath.c | 10 ++++++++++ |
| 1 file changed, 10 insertions(+) |
| |
| Index: joe-3.7/umath.c |
| =================================================================== |
| --- joe-3.7.orig/umath.c |
| +++ joe-3.7/umath.c |
| @@ -7,6 +7,12 @@ |
| */ |
| #include "types.h" |
| |
| +/* uClibc can be configured without bessel functions */ |
| +#include <features.h> |
| +#if defined (__UCLIBC__) && !defined(__DO_XSI_MATH__) |
| +#define NO_BESSEL |
| +#endif |
| + |
| unsigned char *merr; |
| |
| int mode_hex; |
| @@ -396,10 +402,12 @@ |
| double m_fabs(double n) { return fabs(n); } |
| double m_erf(double n) { return erf(n); } |
| double m_erfc(double n) { return erfc(n); } |
| +#ifndef NO_BESSEL |
| double m_j0(double n) { return j0(n); } |
| double m_j1(double n) { return j1(n); } |
| double m_y0(double n) { return y0(n); } |
| double m_y1(double n) { return y1(n); } |
| +#endif |
| |
| double calc(BW *bw, unsigned char *s) |
| { |
| @@ -434,10 +442,12 @@ |
| v = get(USTR "abs"); v->func = m_fabs; |
| v = get(USTR "erf"); v->func = m_erf; |
| v = get(USTR "erfc"); v->func = m_erfc; |
| +#ifndef NO_BESSEL |
| v = get(USTR "j0"); v->func = m_j0; |
| v = get(USTR "j1"); v->func = m_j1; |
| v = get(USTR "y0"); v->func = m_y0; |
| v = get(USTR "y1"); v->func = m_y1; |
| +#endif |
| } |
| |
| v = get(USTR "top"); |