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memset the structure to make sure that we don't get compiler warnings.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@18314 ec53bebd-3082-4978-b11e-865c3cabbd6b
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Love Hörnquist Åstrand
2006-10-07 17:31:56 +00:00
parent 70504e863c
commit ef397081cd
1 changed files with 5 additions and 3 deletions
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8
cf/have-struct-field.m4
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@@ -7,9 +7,11 @@ dnl AC_HAVE_STRUCT_FIELD(struct, field, headers)
AC_DEFUN([AC_HAVE_STRUCT_FIELD], [
define(cache_val, translit(ac_cv_type_$1_$2, [A-Z ], [a-z_]))
AC_CACHE_CHECK([for $2 in $1], cache_val,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$3]],[[$1 x; x.$2]])],
[cache_val=yes],
[cache_val=no])])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$3]],
[[$1 x; memset(&x, 0, sizeof(x)); x.$2]])],
[cache_val=yes],
[cache_val=no])
])
if test "$cache_val" = yes; then
define(foo, translit(HAVE_$1_$2, [a-z ], [A-Z_]))
AC_DEFINE(foo, 1, [Define if $1 has field $2.])