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wafsamba/replace: move __STDC_WANT_LIB_EXT1__ to CFLAGS
This fixes the build of python bindings, which use memset_s() (via ZERO_STRUCT). In python bindings Python.h needs to be the first header, which means is already includes string.h. Defining __STDC_WANT_LIB_EXT1__ in replace.h is too late in that case. This fixes the --check-c-compiler=gcc --picky-developer on FreeBSD 12. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
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@ -444,6 +444,15 @@ def configure(conf):
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conf.DEFINE('_GNU_SOURCE', 1, add_to_cflags=True)
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conf.DEFINE('_XOPEN_SOURCE_EXTENDED', 1, add_to_cflags=True)
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#
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# Needs to be defined before std*.h and string*.h are included
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# As Python.h already brings string.h we need it in CFLAGS.
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# See memset_s() details here:
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# https://en.cppreference.com/w/c/string/byte/memset
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#
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if conf.CHECK_CFLAGS(['-D__STDC_WANT_LIB_EXT1__=1'] + conf.env.WERROR_CFLAGS):
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conf.ADD_CFLAGS('-D__STDC_WANT_LIB_EXT1__=1')
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# on Tru64 certain features are only available with _OSF_SOURCE set to 1
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# and _XOPEN_SOURCE set to 600
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if conf.env['SYSTEM_UNAME_SYSNAME'] == 'OSF1':
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@ -36,8 +36,14 @@
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#include <standards.h>
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#endif
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/* Needs to be defined before std*.h and string*.h are included */
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#define __STDC_WANT_LIB_EXT1__ 1
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/*
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* Needs to be defined before std*.h and string*.h are included
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* As it's also needed when Python.h is the first header we
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* require a global -D__STDC_WANT_LIB_EXT1__=1
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*/
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#ifndef __STDC_WANT_LIB_EXT1__
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#error -D__STDC_WANT_LIB_EXT1__=1 required
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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