modfl-ieee: Work around test failures on IRIX, OSF/1, mingw.

[gnulib.git] / ChangeLog

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 2012-02-26  Bruno Haible  <bruno@clisp.org>
 
+       modfl-ieee: Work around test failures on IRIX, OSF/1, mingw.
+       * m4/modfl-ieee.m4: New file.
+       * m4/modfl.m4 (gl_FUNC_MODFL): If gl_FUNC_MODFL_IEEE is present, test
+       whether modfl works with Inf. Replace it if not.
+       * lib/math.in.h (modfl): Override if REPLACE_MODFF is 1.
+       * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_MODFL.
+       * modules/math (Makefile.am): Substitute REPLACE_MODFL.
+       * modules/modfl (configure.ac): Consider REPLACE_MODFL.
+       (Depends-on): Update dependencies.
+       * modules/modfl-ieee (Files): Add m4/modfl-ieee.m4, m4/minus-zero.m4,
+       m4/signbit.m4.
+       (configure.ac): Invoke gl_FUNC_MODFL_IEEE.
+       * doc/posix-functions/modfl.texi: Mention the modfl-ieee module.
+
        modfl-ieee: Fix dependencies.
        * modules/modfl-ieee (Depends-on): Add modf-ieee.