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Avoid compilation errors in MinGW native builds of GDB

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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 to
'_hypot' in the Windows builds.

gdb/ChangeLog:
2018-01-27  Eli Zaretskii  <eliz@gnu.org>

	* python/python-internal.h (_hypot) [__MINGW32__]: Define back to
	'hypoth'.  This avoids a compilation error.
This commit is contained in:
Eli Zaretskii
2018-01-27 18:34:46 +02:00
parent de54ee813f
commit b2a426e2c5
2 changed files with 28 additions and 0 deletions
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6
gdb/python/python-internal.h
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@ -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