Wrap fts_.h in fts.h

Change-Id: I87cc19052ded7b9ec1a3347faa05709318cc9a74
Reviewed-by: Christian Kandeler <[email protected]>

1 files changed, 11 insertions, 7 deletions

diff --git a/configure.ac b/configure.ac
index 2488bbcd..f04a6c81 100644
--- a/configure.ac
+++ b/configure.ac
@@ -302,13 +302,17 @@ dnl tests, because the choice of the file model can (in principle) affect
 dnl whether functions and headers are available, whether they work, etc.
 AC_SYS_LARGEFILE
 
-dnl Older glibc had a broken fts that didn't work with Large File Systems.
-dnl We want the version that can handler LFS, but include workaround if we
-dnl get a bad one. Add define to CFLAGS (not AC_DEFINE it) since we need to
-dnl check it before including config.h (which might define _FILE_OFFSET_BITS).
-AC_CACHE_CHECK([whether fts.h is bad when included (with LFS)], ac_cv_bad_fts,
-  [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <fts.h>]])],
-		     ac_cv_bad_fts=no, ac_cv_bad_fts=yes)])
+AC_CHECK_HEADER(fts.h)
+AM_CONDITIONAL(HAVE_FTS_H, [test "x$ac_cv_header_fts_h" = "xyes"])
+if test "x$ac_cv_header_fts_h" = "xyes"; then
+  dnl Older glibc had a broken fts that didn't work with Large File Systems.
+  dnl We want the version that can handler LFS, but include workaround if we
+  dnl get a bad one. Add define to CFLAGS (not AC_DEFINE it) since we need to
+  dnl check it before including config.h (which might define _FILE_OFFSET_BITS).
+  AC_CACHE_CHECK([whether fts.h is bad when included (with LFS)], ac_cv_bad_fts,
+    [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <fts.h>]])],
+			ac_cv_bad_fts=no, ac_cv_bad_fts=yes)])
+fi
 AS_IF([test "x$ac_cv_bad_fts" = "xyes"], [CFLAGS="$CFLAGS -DBAD_FTS=1"])
 
 # See if we can add -D_FORTIFY_SOURCE=2. Don't do it if it is already