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-rw-r--r--configure.ac4
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 421e230..fec5d0d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -91,11 +91,11 @@ dnl Internationalization macros.
AM_GNU_GETTEXT([external], [need-ngettext])
AM_GNU_GETTEXT_VERSION(0.18)
-AC_CHECK_HEADERS([stdlib.h string.h sys/file.h unistd.h fcntl.h sys/types.h memory.h sys/termios.h locale.h])
+AC_CHECK_HEADERS([sys/file.h sys/termios.h string.h locale.h getopt.h])
AC_CHECK_LIB(dbm, main)
AC_CHECK_LIB(ndbm, main)
-AC_CHECK_FUNCS([rename ftruncate flock lockf fsync setlocale])
+AC_CHECK_FUNCS([rename ftruncate flock lockf fsync setlocale getopt_long])
if test x$mapped_io = xyes
then

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