dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_REQUIRE([gl_MATH_H_DEFAULTS])
dnl Persuade glibc <math.h> to declare round().
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_MATH_H_DEFAULTS])
dnl Persuade glibc <math.h> to declare round().
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
- AC_CHECK_DECLS([round], , , [#include <math.h>])
+ AC_CHECK_DECLS([round], , , [[#include <math.h>]])
if test "$ac_cv_have_decl_round" = yes; then
gl_CHECK_MATH_LIB([ROUND_LIBM], [x = round (x);])
if test "$ROUND_LIBM" != missing; then
if test "$ac_cv_have_decl_round" = yes; then
gl_CHECK_MATH_LIB([ROUND_LIBM], [x = round (x);])
if test "$ROUND_LIBM" != missing; then