More conditional dependencies. * modules/faccessat (Depends-on): Add conditions. * modules/fchmodat (Depends-on): Likewise. * modules/fchownat (Depends-on): Likewise. * modules/fstatat (Depends-on): Likewise. * modules/mkfifoat (Depends-on): Likewise. * modules/readlinkat (Depends-on): Likewise. * modules/symlinkat (Depends-on): Likewise. * modules/unlinkat (Depends-on): Likewise. * modules/utimensat (Depends-on): Likewise. * modules/mkdirat (Depends-on): Add sys_stat. Add conditions. * modules/linkat (Depends-on): Refine the conditions. * modules/renameat (Depends-on): Likewise.

Description:
copysignl() function: copy sign into another 'long double' number.

Files:
lib/copysignl.c
m4/copysignl.m4
m4/mathfunc.m4

Depends-on:
math
copysign        [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
signbit         [test $HAVE_COPYSIGNL = 0 && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]

configure.ac:
gl_FUNC_COPYSIGNL
if test $HAVE_COPYSIGNL = 0; then
  AC_LIBOBJ([copysignl])
fi
gl_MATH_MODULE_INDICATOR([copysignl])

Makefile.am:

Include:
<math.h>

Link:
$(COPYSIGNL_LIBM)

License:
LGPL

Maintainer:
Bruno Haible