On MSVC 9, there are warnings about redefined macros in gnulib's <math.h>. This fixes them.
2011-09-17 Bruno Haible <[email protected]> math: Avoid macro redefinition warnings on MSVC. * lib/math.in.h (ceilf, ceill, floorf, floorl, frexpl, ldexpl): Undefine before redefining. --- lib/math.in.h.orig Sat Sep 17 17:13:13 2011 +++ lib/math.in.h Sat Sep 17 16:29:49 2011 @@ -187,6 +187,7 @@ #if @GNULIB_CEILF@ # if @REPLACE_CEILF@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ceilf # define ceilf rpl_ceilf # endif _GL_FUNCDECL_RPL (ceilf, float, (float x)); @@ -222,6 +223,7 @@ #if @GNULIB_CEILL@ # if @REPLACE_CEILL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ceill # define ceill rpl_ceill # endif _GL_FUNCDECL_RPL (ceill, long double, (long double x)); @@ -275,6 +277,7 @@ #if @GNULIB_FLOORF@ # if @REPLACE_FLOORF@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef floorf # define floorf rpl_floorf # endif _GL_FUNCDECL_RPL (floorf, float, (float x)); @@ -310,6 +313,7 @@ #if @GNULIB_FLOORL@ # if @REPLACE_FLOORL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef floorl # define floorl rpl_floorl # endif _GL_FUNCDECL_RPL (floorl, long double, (long double x)); @@ -339,6 +343,7 @@ Store exp in *EXPPTR and return mantissa. */ #if @GNULIB_FREXPL@ && @REPLACE_FREXPL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef frexpl # define frexpl rpl_frexpl # endif _GL_FUNCDECL_RPL (frexpl, long double, @@ -368,6 +373,7 @@ /* Return x * 2^exp. */ #if @GNULIB_LDEXPL@ && @REPLACE_LDEXPL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ldexpl # define ldexpl rpl_ldexpl # endif _GL_FUNCDECL_RPL (ldexpl, long double, (long double x, int exp)); -- In memoriam Estella Agsteribbe <http://en.wikipedia.org/wiki/Estella_Agsteribbe>
