Allow _GLIBCXX_HAVE_OBSOLETE_ISINF_ISNAN to be overridden
commitf7495708ce1de66428b01e3af43d66ea9cc44d6b
authorredi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 22 Jan 2016 12:47:26 +0000 (22 12:47 +0000)
committerredi <redi@138bc75d-0d04-0410-961f-82ee72b054a4>
Fri, 22 Jan 2016 12:47:26 +0000 (22 12:47 +0000)
tree1cdffa614a66e190d30b4ff13a87c9cae081fb18
parentce925c498ae01b4be8a1b67b3bc1ecec65f85de3
Allow _GLIBCXX_HAVE_OBSOLETE_ISINF_ISNAN to be overridden

PR libstdc++/69413
* config/os/gnu-linux/os_defines.h: Define
_GLIBCXX_NO_OBSOLETE_ISINF_ISNAN_DYNAMIC.
* include/c_global/cmath (isinf, isnan): Check it.
* doc/xml/manual/internals.xml: Document it.
* doc/html/*: Regenerate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232726 138bc75d-0d04-0410-961f-82ee72b054a4
libstdc++-v3/ChangeLog
libstdc++-v3/config/os/gnu-linux/os_defines.h
libstdc++-v3/doc/html/manual/internals.html
libstdc++-v3/doc/xml/manual/internals.xml
libstdc++-v3/include/c_global/cmath