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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:36:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 17:36:47 +0000
commit0441d265f2bb9da249c7abf333f0f771fadb4ab5 (patch)
tree3f3789daa2f6db22da6e55e92bee0062a7d613fe /m4/static_array.m4
parentInitial commit. (diff)
downloaddovecot-0441d265f2bb9da249c7abf333f0f771fadb4ab5.tar.xz
dovecot-0441d265f2bb9da249c7abf333f0f771fadb4ab5.zip
Adding upstream version 1:2.3.21+dfsg1.upstream/1%2.3.21+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'm4/static_array.m4')
-rw-r--r--m4/static_array.m419
1 files changed, 19 insertions, 0 deletions
diff --git a/m4/static_array.m4 b/m4/static_array.m4
new file mode 100644
index 0000000..e4466c4
--- /dev/null
+++ b/m4/static_array.m4
@@ -0,0 +1,19 @@
+AC_DEFUN([DOVECOT_C_STATIC_ARRAY], [
+ AC_CACHE_CHECK([if we can use C99 static in array sizes],i_cv_c99_static_arrays,[
+ AC_TRY_COMPILE([
+ void foo(unsigned char arr[static 20]);
+ ], [
+ ], [
+ i_cv_c99_static_arrays=yes
+ ], [
+ i_cv_c99_static_arrays=no
+ ])
+ ])
+
+ if test $i_cv_c99_static_arrays = yes; then
+ static_value=static
+ else
+ static_value=
+ fi
+ AC_DEFINE_UNQUOTED(STATIC_ARRAY, $static_value, [C99 static array])
+])