[Bug libstdc++/40974] [4.3/4.4/4.5/4.6 Regression] cannot build gcc-4.4.1: fenv_t has not been declared

[pinskia at gcc dot gnu dot org]

------- Comment #40 from pinskia at gcc dot gnu dot org  2010-08-11 01:19 
-------
c++config.h:#define _GLIBCXX_HAVE_FENV_H 1

is happening for uclibc for the Canadian build but not for the cross:
c++config.h:/* #undef _GLIBCXX_HAVE_FENV_H */


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40974