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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | math/math.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index ef4a6edc5e..a9fb242bf2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2017-09-04 Florian Weimer <fweimer@redhat.com> + + * math/math.h: Issue warning if log is defined. + 2017-09-04 Joseph Myers <joseph@codesourcery.com> * scripts/build-many-glibcs.py (Context.checkout): Default Linux diff --git a/math/math.h b/math/math.h index 547b36d10e..6c2ad97fb8 100644 --- a/math/math.h +++ b/math/math.h @@ -26,6 +26,11 @@ #define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION #include <bits/libc-header-start.h> +#if defined log && defined __GNUC__ +# warning A macro called log was already defined when <math.h> was included. +# warning This will cause compilation problems. +#endif + __BEGIN_DECLS /* Get definitions of __intmax_t and __uintmax_t. */ |