[PATCH 6/6] Add configure check for members of dirent for use in io/readdir.c

[Felix Janda]

Signed-off-by: Felix Janda <felix.janda at posteo.de>
---
 configure.ac         |  7 +++++++
 include/builddefs.in |  4 ++++
 io/Makefile          | 10 ++++++++++
 3 files changed, 21 insertions(+)

diff --git a/configure.ac b/configure.ac
index feee50a..3d6443a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -135,5 +135,12 @@ AC_CHECK_SIZEOF([char *])
 AC_TYPE_UMODE_T
 AC_MANUAL_FORMAT
 
+AC_CHECK_MEMBERS([struct dirent.d_reclen],[],[],[[#include <dirent.h>]])
+AC_SUBST(ac_cv_member_struct_dirent_d_reclen)
+AC_CHECK_MEMBERS([struct dirent.d_off],[],[],[[#include <dirent.h>]])
+AC_SUBST(ac_cv_member_struct_dirent_d_off)
+AC_CHECK_MEMBERS([struct dirent.d_type],[],[],[[#include <dirent.h>]])
+AC_SUBST(ac_cv_member_struct_dirent_d_type)
+
 AC_CONFIG_FILES([include/builddefs])
 AC_OUTPUT
diff --git a/include/builddefs.in b/include/builddefs.in
index b5ce336..67d963c 100644
--- a/include/builddefs.in
+++ b/include/builddefs.in
@@ -109,6 +109,10 @@ HAVE_FLS = @have_fls@
 HAVE_FSETXATTR = @have_fsetxattr@
 HAVE_MREMAP = @have_mremap@
 
+HAVE_STRUCT_DIRENT_D_RECLEN = @ac_cv_member_struct_dirent_d_reclen@
+HAVE_STRUCT_DIRENT_D_OFF = @ac_cv_member_struct_dirent_d_off@
+HAVE_STRUCT_DIRENT_D_TYPE = @ac_cv_member_struct_dirent_d_type@
+
 GCCFLAGS = -funsigned-char -fno-strict-aliasing -Wall
 #	   -Wbitwise -Wno-transparent-union -Wno-old-initializer -Wno-decl
 
diff --git a/io/Makefile b/io/Makefile
index 0b53f41..9574168 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -94,6 +94,16 @@ ifeq ($(HAVE_MREMAP),yes)
 LCFLAGS += -DHAVE_MREMAP
 endif
 
+ifeq ($(HAVE_STRUCT_DIRENT_D_RECLEN),yes)
+LCFLAGS += -D_DIRENT_HAVE_D_RECLEN
+endif
+ifeq ($(HAVE_STRUCT_DIRENT_D_OFF),yes)
+LCFLAGS += -D_DIRENT_HAVE_D_OFF
+endif
+ifeq ($(HAVE_STRUCT_DIRENT_D_TYPE),yes)
+LCFLAGS += -D_DIRENT_HAVE_D_TYPE
+endif
+
 default: depend $(LTCOMMAND)
 
 include $(BUILDRULES)
-- 
2.4.10