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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:20:00 +0000
commit8daa83a594a2e98f39d764422bfbdbc62c9efd44 (patch)
tree4099e8021376c7d8c05bdf8503093d80e9c7bad0 /third_party/heimdal/cf/have-struct-field.m4
parentInitial commit. (diff)
downloadsamba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.tar.xz
samba-8daa83a594a2e98f39d764422bfbdbc62c9efd44.zip
Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/cf/have-struct-field.m4')
-rw-r--r--third_party/heimdal/cf/have-struct-field.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/third_party/heimdal/cf/have-struct-field.m4 b/third_party/heimdal/cf/have-struct-field.m4
new file mode 100644
index 0000000..bb7bcef
--- /dev/null
+++ b/third_party/heimdal/cf/have-struct-field.m4
@@ -0,0 +1,21 @@
+dnl $Id$
+dnl
+dnl check for fields in a structure
+dnl
+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; 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.])
+ undefine([foo])
+fi
+undefine([cache_val])
+])