-
-AC_MSG_CHECKING([for openexr available])
-saved_LIBS="$LIBS"
-saved_CXXFLAGS="$CXXFLAGS"
-# ilmbase libs
-LIBS=" -lIlmImf -lIlmThread -lIex"
-CXXFLAGS="-I/usr/include/OpenEXR"
-AC_LANG_PUSH(C++)
-AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+CHECK_WANT([OPENEXR], [auto], [use openexr], [
+ AC_MSG_CHECKING([for openexr available])
+ saved_LIBS="$LIBS"
+ saved_CXXFLAGS="$CXXFLAGS"
+ # ilmbase libs
+ LIBS=" -lIlmImf -lIlmThread -lIex"
+ CXXFLAGS="-I/usr/include/OpenEXR"
+ AC_LANG_PUSH(C++)
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[