[virglrenderer-devel] [PATCH] Make EGL optional at configure time.

[Dave Airlie]

On 10 November 2017 at 10:07, Joe M. Kniss <djmk at chromium.org> wrote:
> Make EGL optional since it's use in virglrenderer isn't always
> compatible with drivers on linux, for example nVidia does not
> provide a GBM implementation (used by virgl_egl*) with their
> linux drivers.
>
> Signed-off-by: Joe M. Kniss <djmk at google.com>
> ---
>  configure.ac    | 12 +++++++++---
>  src/Makefile.am |  2 +-
>  2 files changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 5ffd448..27a9a63 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -89,16 +89,21 @@ if test "x$build_tests" = "xyes"; then
>  fi
>
>  AC_CHECK_FUNCS_ONCE([eventfd])
> -AC_CHECK_HEADERS_ONCE([sys/uio.h epoxy/egl.h])
> +AC_CHECK_HEADERS_ONCE([sys/uio.h])
>  AM_CONDITIONAL(HAVE_VALGRIND, [test "x$VALGRIND" != "x"])
>  AM_CONDITIONAL(BUILD_TESTS, [test "x$build_tests" = "xyes"])
>
>  LIBDRM_REQUIRED=2.4.50
>
> +AC_ARG_ENABLE([egl], AS_HELP_STRING([--disable-egl], [Disable EGL]))
>  if test "x$os_win32" = xno; then
> -    PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
> -    PKG_CHECK_MODULES([GBM], [gbm])
> +    AS_IF([test "x$enable_egl" != "xno"], [
> +        AC_CHECK_HEADER([epoxy/egl.h])
> +        PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
> +        PKG_CHECK_MODULES([GBM], [gbm])
> +    ])
>  fi
> +AM_CONDITIONAL([WITH_EGL], [test "x$enable_egl" != "xno" && "x$os_wind32" = "xno"])
>

This appears to have a typo in the above line.

Dave.