[libgit2-glib] Check for availability of termios.h for clone example

[Jesse van den Kieboom <jessevdk src gnome org>]

commit a76152e2e1992a013a53105a95d16f4617ac0c28
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Fri Sep 12 09:04:57 2014 +0200

    Check for availability of termios.h for clone example

 configure.ac         |    6 ++++++
 examples/Makefile.am |    2 ++
 2 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 63bee7c..7134abd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -150,6 +150,12 @@ AM_CONDITIONAL(ENABLE_PYTHON, test x"$enable_python" = "xyes")
 # Vala
 VAPIGEN_CHECK
 
+AC_CHECK_HEADER([termios.h],
+                [has_termios=yes],
+                [has_termios=no])
+
+AM_CONDITIONAL(HAS_TERMIOS, test x"$has_termios" = "xyes")
+
 GNOME_COMPILE_WARNINGS([maximum])
 
 AC_OUTPUT([
diff --git a/examples/Makefile.am b/examples/Makefile.am
index d21f1ea..a3267b3 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -11,8 +11,10 @@ EXAMPLE_PROGS                += walk
 walk_SOURCES           = walk.c
 walk_LDADD             = $(progs_ldadd)
 
+if HAS_TERMIOS
 EXAMPLE_PROGS          += clone
 clone_SOURCES          = clone.c
 clone_LDADD            = $(progs_ldadd)
+endif
 
 # ex:set ts=8 noet: