[clutter] build: Identify the Linux hosts

[Emmanuele Bassi <ebassi src gnome org>]

commit 92f6b520cb27e45f6682b0b06d76fed36ad43cfa
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Thu Feb 9 18:41:19 2012 +0000

    build: Identify the Linux hosts
    
    This gives us a nice conditional, like the one we have on Windows and
    OSX.

 configure.ac |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6d96a7a..9578d62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -99,6 +99,11 @@ AS_CASE([$host],
           platform_win32=yes
         ],
 
+        [*-*-linux],
+        [
+          platform_linux=yes
+        ],
+
         []
 )
 AC_MSG_RESULT([$platform_win32])
@@ -111,6 +116,7 @@ AM_CONDITIONAL(OS_QUARTZ, [test "$platform_quartz" = "yes"])
 AC_CHECK_HEADER([GL/glx.h], [platform_glx=yes], [platform_glx=no])
 AC_CHECK_LIB([GL], [glXCreateContext], [platform_glx=yes], [platform_glx=no])
 AM_CONDITIONAL(OS_GLX, [test "$platform_glx" = "yes"])
+AM_CONDITIONAL(OS_LINUX, [test "$platform_linux" = "yes"])
 
 AC_SUBST(CLUTTER_LT_LDFLAGS)