r232586 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Tue Jan 19 21:43:55 2016
New Revision: 232586

URL: https://gcc.gnu.org/viewcvs?rev=232586&root=gcc&view=rev
Log:
Add C++-conforming wrappers for stdlib.h and math.h

	PR libstdc++/14608
	PR libstdc++/60401
	* include/Makefile.am: Use c_compatibility math.h and stdlib.h for
	--enable-cheaders=c_global configs.
	* include/Makefile.in: Regenerate.
	* include/c_compatibility/math.h: Remove obsolete _GLIBCXX_NAMESPACE_C
	test and allow inclusion from C files.
	* include/c_compatibility/stdlib.h: Likewise. Support freestanding.
	(at_quick_exit, quick_exit): Add using directives.
	* include/c_global/cmath: Use #include_next for math.h.
	* include/c_global/cstdlib: Use #include_next for stdlib.h.
	* testsuite/26_numerics/headers/cmath/14608.cc: New.
	* testsuite/26_numerics/headers/cmath/c99_classification_macros_c.cc:
	Remove xfail for most targets.
	* testsuite/26_numerics/headers/cstdlib/60401.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/14608.cc
      - copied, changed from r232581, trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/c99_classification_macros_c.cc
    trunk/libstdc++-v3/testsuite/26_numerics/headers/cstdlib/60401.cc
      - copied, changed from r232581, trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/c99_classification_macros_c.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/Makefile.am
    trunk/libstdc++-v3/include/Makefile.in
    trunk/libstdc++-v3/include/c_compatibility/math.h
    trunk/libstdc++-v3/include/c_compatibility/stdlib.h
    trunk/libstdc++-v3/include/c_global/cmath
    trunk/libstdc++-v3/include/c_global/cstdlib
    trunk/libstdc++-v3/testsuite/26_numerics/headers/cmath/c99_classification_macros_c.cc