From f7548d6d28c313cf80e6f3ef89aed16a19815df1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:51:24 +0200 Subject: Adding upstream version 1:2.3.19.1+dfsg1. Signed-off-by: Daniel Baumann --- m4/flexible_array_member.m4 | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 m4/flexible_array_member.m4 (limited to 'm4/flexible_array_member.m4') diff --git a/m4/flexible_array_member.m4 b/m4/flexible_array_member.m4 new file mode 100644 index 0000000..10fea3b --- /dev/null +++ b/m4/flexible_array_member.m4 @@ -0,0 +1,25 @@ +dnl Our implementation of AC_C_FLEXIBLE_ARRAY_MEMBER. +dnl Use it until autoconf 2.61+ becomes more widely used +AC_DEFUN([DOVECOT_C_FLEXIBLE_ARRAY_MEMBER], [ + AC_CACHE_CHECK([if we can use C99-like flexible array members],i_cv_c99_flex_arrays,[ + AC_TRY_COMPILE([ + struct foo { + int x; + char y[]; + }; + ], [ + struct foo foo; + ], [ + i_cv_c99_flex_arrays=yes + ], [ + i_cv_c99_flex_arrays=no + ]) + ]) + + if test $i_cv_c99_flex_arrays = yes; then + flexible_value= + else + flexible_value=1 + fi + AC_DEFINE_UNQUOTED(FLEXIBLE_ARRAY_MEMBER, $flexible_value, [How to define flexible array members in structs]) +]) -- cgit v1.2.3