fflush, freadseek: use fseeko, not fseek

[gnulib.git] / build-aux / bootstrap

diff --git a/build-aux/bootstrap b/build-aux/bootstrap
index b6dce12..8f14199 100755 (executable)
--- a/build-aux/bootstrap
+++ b/build-aux/bootstrap
@@ -728,6 +728,10 @@ find "$m4_base" "$source_base" \
 
 # Reconfigure, getting other files.
 
+# Skip autoheader if it's not needed.
+grep '^[        ]*AC_CONFIG_HEADERS\>' configure.ac >/dev/null ||
+  AUTOHEADER=true
+
 for command in \
   libtool \
   "${ACLOCAL-aclocal} --force -I m4" \