1 files changed, 52 insertions, 0 deletions
diff --git a/mpeglib/ConfigureChecks.cmake b/mpeglib/ConfigureChecks.cmake
new file mode 100644
index 00000000..254eb03d
--- /dev/null
+++ b/mpeglib/ConfigureChecks.cmake
@@ -0,0 +1,52 @@
+#################################################
+#
+#  (C) 2017 Slávek Banko
+#  slavek (DOT) banko (AT) axis.cz
+#
+#  Improvements and feedback are welcome
+#
+#  This file is released under GPL >= 2
+#
+#################################################
+
+if( NOT ATTRIBUTE_ALIGNED_MAX )
+  foreach( ATTRIBUTE_ALIGNED_TEST 2 4 8 16 32 64 )
+    check_c_source_compiles(
+      "int main() { static char c __attribute__ ((aligned(${ATTRIBUTE_ALIGNED_TEST}))) = 0; return c; }"
+      ATTRIBUTE_ALIGNED_MAX_${ATTRIBUTE_ALIGNED_TEST}
+    )
+    if( ATTRIBUTE_ALIGNED_MAX_${ATTRIBUTE_ALIGNED_TEST} )
+      set( ATTRIBUTE_ALIGNED_MAX ${ATTRIBUTE_ALIGNED_TEST} CACHE INTERNAL "" FORCE )
+    else( )
+      break( )
+    endif( )
+  endforeach( )
+endif( NOT ATTRIBUTE_ALIGNED_MAX )
+
+
+check_function_exists( strlcpy HAVE_STRLCPY )
+check_symbol_exists( strlcpy "string.h" HAVE_STRLCPY_PROTO )
+
+
+tde_save_and_set( CMAKE_REQUIRED_FLAGS "-include X11/Xlib.h" )
+
+pkg_search_module( XEXT xext )
+
+check_include_file( "X11/extensions/XShm.h" X11_SHARED_MEM )
+
+check_include_file( "X11/extensions/xf86dga1.h" X11_DGA2 )
+if( X11_DGA2 )
+  set( DGA_LIBRARIES Xxf86dga )
+endif( )
+
+check_include_file( "X11/extensions/Xvlib.h" X11_XV )
+if( X11_XV )
+  set( XV_LIBRARIES Xv )
+endif( )
+
+check_include_file( "X11/extensions/xf86vmode.h" X11_XVIDMODE )
+if( X11_XVIDMODE )
+  set( XVIDMODE_LIBRARIES Xxf86vm )
+endif( )
+
+tde_restore( CMAKE_REQUIRED_FLAGS )