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| -rw-r--r-- | gdb/ChangeLog | 22 | ||||
| -rw-r--r-- | gdb/python/python-internal.h | 6 |
2 files changed, 28 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 21b086c9d4..6d97419883 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,25 @@ +2018-01-27 Eli Zaretskii <eliz@gnu.org> + + Avoid compilation errors in MinGW native builds + + The error is triggered by including python-internal.h, and the + error message is: + + In file included from d:\usr\lib\gcc\mingw32\6.3.0\include\c++\math.h:36:0, + from build-gnulib/import/math.h:27, + from d:/usr/Python26/include/pyport.h:235, + from d:/usr/Python26/include/Python.h:58, + from python/python-internal.h:94, + from python/py-arch.c:24: + d:\usr\lib\gcc\mingw32\6.3.0\include\c++\cmath:1157:11: error: '::hypot' has not been declared + using ::hypot; + ^~~~~ + + This happens because Python headers define 'hypot' to expand t + '_hypot' in the Windows builds. + * python/python-internal.h (_hypot) [__MINGW32__]: Define back to + 'hypoth'. This avoids a compilation error. + 2018-01-24 Pedro Alves <palves@redhat.com> GCC PR libstdc++/83906 diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h index f32a258209..c110588f76 100644 --- a/gdb/python/python-internal.h +++ b/gdb/python/python-internal.h @@ -85,6 +85,12 @@ #define HAVE_SNPRINTF 1 #endif +/* Another kludge to avoid compilation errors because MinGW defines + 'hypot' to '_hypot', but the C++ headers says "using ::hypot". */ +#ifdef __MINGW32__ +# define _hypot hypot +#endif + /* Request clean size types from Python. */ #define PY_SSIZE_T_CLEAN |