pactree: autodetect and use unicode line drawing characters

Add a compile time check for langinfo.h so that we can possibly use
unicode line drawing characters if the current locale is supportive of
them. This can be explicitly disabled at runtime with the use of a new
switch: -a, --ascii.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/configure.ac b/configure.ac
index b823fab3..1a90906e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -247,8 +247,8 @@ AS_IF([test "x$have_gpgme" = xno -a "x$with_gpgme" = xyes],
 AM_CONDITIONAL([HAVE_LIBGPGME], [test "x$have_gpgme" = "xyes"])
 
 # Checks for header files.
-AC_CHECK_HEADERS([fcntl.h float.h glob.h libintl.h limits.h locale.h \
-                  mntent.h netinet/in.h netinet/tcp.h \
+AC_CHECK_HEADERS([fcntl.h float.h glob.h langinfo.h libintl.h limits.h \
+                  locale.h mntent.h netinet/in.h netinet/tcp.h \
                   stddef.h string.h sys/ioctl.h \
                   sys/mnttab.h sys/mount.h \
                   sys/param.h sys/statvfs.h sys/time.h sys/types.h \