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libm: honor NO_LONG_DOUBLE in ldouble_wrappers

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Fixes SH build breakage due to attempts to define hidden defs for
unavailable long double functions.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer
2015-03-24 00:11:47 +01:00
parent 272e4fa4d3
commit 730db44f08
3 changed files with 11 additions and 8 deletions
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2
extra/Configs/Config.in.arch
View File

@@ -191,7 +191,7 @@ config UCLIBC_HAS_FENV
config UCLIBC_HAS_LONG_DOUBLE_MATH
bool "Enable long double support"
depends on DO_C99_MATH
depends on TARGET_i386 || TARGET_m68k || TARGET_sparc || TARGET_x86_64 || TARGET_powerpc || TARGET_sh || TARGET_microblaze || TARGET_xtensa
depends on TARGET_aarch64 || TARGET_alpha || TARGET_i386 || TARGET_ia64 || TARGET_m68k || TARGET_powerpc || TARGET_s390 || TARGET_sparc || TARGET_tile || TARGET_x86_64
default y
help
If you want the uClibc math library to contain the full set of C99

2
ldso/ldso/sh/dl-syscalls.h
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@@ -1,4 +1,4 @@
#if __GNUC_PREREQ (4, 1)
#if __GNUC_PREREQ (4, 1) && !__GNUC_PREREQ (4, 9)
#warning !!! gcc 4.1 and later have problems with __always_inline so redefined as inline
# ifdef __always_inline
# undef __always_inline

15
libm/ldouble_wrappers.c
View File

@@ -16,27 +16,28 @@
#include "math.h"
#include <complex.h>
#define WRAPPER1(func) \
#if !defined __NO_LONG_DOUBLE_MATH
# define WRAPPER1(func) \
long double func##l(long double x) \
{ \
return (long double) func((double) x); \
}
#define WRAPPER2(func) \
# define WRAPPER2(func) \
long double func##l(long double x, long double y) \
{ \
return (long double) func((double) x, (double) y); \
}
#define int_WRAPPER1(func) \
# define int_WRAPPER1(func) \
int func##l(long double x) \
{ \
return func((double) x); \
}
#define long_WRAPPER1(func) \
# define long_WRAPPER1(func) \
long func##l(long double x) \
{ \
return func((double) x); \
}
#define long_long_WRAPPER1(func) \
# define long_long_WRAPPER1(func) \
long long func##l(long double x) \
{ \
return func((double) x); \
@@ -447,4 +448,6 @@ int_WRAPPER1(__isinf)
libm_hidden_def(__isinfl)
# endif
#endif
#endif /* __DO_C99_MATH__ */
#endif /* __NO_LONG_DOUBLE_MATH */