libudev is asked by enable-gbm, not enable_dri, and enable-gbm always is yes;
We can find the dependency from configure.ac codes:
if test "x$enable_gbm" = xyes; then
SRC_DIRS="$SRC_DIRS gbm"
PKG_CHECK_MODULES([LIBUDEV], [libudev], [],
AC_MSG_ERROR([gbm needs udev]))
if test "x$enable_dri" = xyes; then
GBM_BACKEND_DIRS="$GBM_BACKEND_DIRS dri"
if test "x$enable_shared_glapi" = xno; then
AC_MSG_ERROR([gbm_dri requires --enable-shared-glapi])
fi
fi
fi
(From OE-Core rev: 981f7e5b088ecd813e43291d72f8995f17dbea8e)
Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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