log10: Work around OSF/1 5.1 bug.

[gnulib.git] / ChangeLog

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+2012-04-01  Bruno Haible  <bruno@clisp.org>
+
+       log10: Work around OSF/1 5.1 bug.
+       * lib/math.in.h (log10): New declaration.
+       * lib/log10.c: New file.
+       * m4/log10.m4 (gl_FUNC_LOG10_WORKS): New macro.
+       (gl_FUNC_LOG10): Invoke it. Set REPLACE_LOG10.
+       * m4/math_h.m4 (gl_MATH_H): Test whether log10 is declared.
+       (gl_MATH_H_DEFAULTS): Initialize GNULIB_LOG10, REPLACE_LOG10.
+       * modules/math (Makefile.am): Substitute GNULIB_LOG10, REPLACE_LOG10.
+       * modules/log10 (Files): Add lib/log10.c.
+       (Depends-on): Add math.
+       (configure.ac): If REPLACE_LOG10 is 1, compile an override.
+       * tests/test-math-c++.cc: Check the declaration of log10.
+       * doc/posix-functions/log10.texi: Mention the OSF/1 5.1 problem.
+
 2012-03-31  Bruno Haible  <bruno@clisp.org>
 
        log10l tests: More tests.