New module 'atanf'. * lib/math.in.h (atanf): New declaration. * lib/atanf.c: New file. * m4/atanf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether atanf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ATANF, HAVE_ATANF. * modules/math (Makefile.am): Substitute GNULIB_ATANF, HAVE_ATANF. * modules/atanf: New file. * tests/test-math-c++.cc: Check the declaration of atanf. * doc/posix-functions/atanf.texi: Mention the new module.

Description:
Helper GNUmakefile with syntax checks, build improvements, etc.

Files:
top/maint.mk

Depends-on:
gnumakefile
useless-if-before-free
vc-list-files

configure.ac:
AC_CONFIG_COMMANDS_PRE([m4_ifdef([AH_HEADER],
  [AC_SUBST([CONFIG_INCLUDE], m4_defn([AH_HEADER]))])])

License:
GPLed build tool

Maintainer:
all