kmscon/configure.ac
David Herrmann b860e485b4 context: add GLES2 support
OpenGL pulls in lot of X dependencies on linux. To avoid this we also
support OpenGLES2 now. This will also allow to run kmscon on
embedded/mobile platforms.
We still get X dependencies through EGL which we cannot avoid as EGL is
compiled with multiple backends on most systems. However, switching to
GLES2 reduces memory footprint by 30MB which is pretty good.

This also enables GLES2 as default in autogen.sh. However, default
behaviour of configure will still be GL.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
2012-01-20 18:11:03 +01:00

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AC_PREREQ(2.68)
AC_INIT([kmscon], [0.0])
AC_SUBST(PACKAGE_URL, [https://github.com/dvdhrm/kmscon])
AC_CONFIG_SRCDIR([src/main.c])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE([foreign 1.11 subdir-objects dist-bzip2 no-dist-gzip tar-pax -Wall -Werror])
AM_SILENT_RULES([yes])
# Don't add a default "-g -O2" if CFLAGS wasn't specified
: ${CFLAGS=""}
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_CC
AC_PROG_CC_C99
AM_PROG_CC_C_O
LT_PREREQ(2.2)
LT_INIT
PKG_CHECK_MODULES([DRM], [libdrm])
AC_SUBST(DRM_CFLAGS)
AC_SUBST(DRM_LIBS)
PKG_CHECK_MODULES([EGL], [egl])
AC_SUBST(EGL_CFLAGS)
AC_SUBST(EGL_LIBS)
PKG_CHECK_MODULES([GBM], [gbm])
AC_SUBST(GBM_CFLAGS)
AC_SUBST(GBM_LIBS)
AC_MSG_CHECKING([whether to use OpenGLES2 instead of OpenGL])
AC_ARG_ENABLE([gles2],
[AS_HELP_STRING([--enable-gles2], [whether to use OpenGLES2 instead of OpenGL])],
[force_gles2="$enableval";
AC_DEFINE([USE_GLES2], [1], [Define if OpenGLES2 should be used])],
[force_gles2=no])
AC_MSG_RESULT([$force_gles2])
if test x$force_gles2 = xyes ; then
PKG_CHECK_MODULES([OPENGLES2], [glesv2])
OPENGL_CFLAGS=$OPENGLES2_CFLAGS
OPENGL_LIBS=$OPENGLES2_LIBS
else
PKG_CHECK_MODULES([OPENGL], [gl])
fi
AC_SUBST(OPENGL_CFLAGS)
AC_SUBST(OPENGL_LIBS)
PKG_CHECK_MODULES([UDEV], [libudev])
AC_SUBST(UDEV_CFLAGS)
AC_SUBST(UDEV_LIBS)
PKG_CHECK_MODULES([XKBCOMMON], [xkbcommon])
AC_SUBST(XKBCOMMON_CFLAGS)
AC_SUBST(XKBCOMMON_LIBS)
PKG_CHECK_MODULES([GLIB], [glib-2.0])
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)
PKG_CHECK_MODULES([FREETYPE2], [freetype2])
AC_SUBST(FREETYPE2_CFLAGS)
AC_SUBST(FREETYPE2_LIBS)
PKG_CHECK_MODULES([PANGO], [pango pangocairo cairo],
[have_pango=yes], [have_pango=no])
AC_SUBST(PANGO_CFLAGS)
AC_SUBST(PANGO_LIBS)
AC_MSG_CHECKING([whether to use pango font backend])
AC_ARG_ENABLE([pango],
[AS_HELP_STRING([--enable-pango], [whether to use pango font backend])],
[force_pango="$enableval";
AC_DEFINE([USE_PANGO], [1], [Define if pango should be used])],
[force_pango=no])
AC_MSG_RESULT([$force_pango])
if test x$force_pango = xyes -a $have_pango = xno ; then
AC_ERROR([Pango library not found])
fi
AM_CONDITIONAL([USE_PANGO], [test x$force_pango = xyes])
AC_MSG_CHECKING([whether to build with debugging on])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug], [whether to build with debugging on])],
[debug="$enableval"], [debug=no])
AM_CONDITIONAL([DEBUG], [test x$debug = xyes])
AC_MSG_RESULT([$debug])
if test ! x$debug = xyes ; then
AC_DEFINE([NDEBUG], [1], [No Debug])
fi
AC_CONFIG_FILES([Makefile])
AC_OUTPUT