# clutter package version number, (as distinct from shared library version) # An odd micro number indicates in-progress development, (eg. from CVS) # An even micro number indicates a released version. m4_define([clutter_major_version], [0]) m4_define([clutter_minor_version], [7]) m4_define([clutter_micro_version], [1]) m4_define([clutter_version], [clutter_major_version.clutter_minor_version.clutter_micro_version]) m4_define([clutter_api_version], [clutter_major_version.clutter_minor_version]) # increase the interface age for each release; if the API changes, set to 0 m4_define([clutter_interface_age], [0]) m4_define([clutter_binary_age], [m4_eval(100 * clutter_minor_version + clutter_micro_version)]) AC_PREREQ(2.53) AC_INIT([clutter], [clutter_version], [http://bugzilla.o-hand.com/enter_bug.cgi?product=Clutter]) AC_CONFIG_SRCDIR([clutter/clutter.h]) AM_CONFIG_HEADER([config.h]) AM_INIT_AUTOMAKE([1.9]) CLUTTER_MAJOR_VERSION=clutter_major_version CLUTTER_MINOR_VERSION=clutter_minor_version CLUTTER_MICRO_VERSION=clutter_micro_version CLUTTER_VERSION=clutter_version CLUTTER_API_VERSION=clutter_api_version CLUTTER_MAJORMINOR=clutter_api_version AC_SUBST(CLUTTER_MAJOR_VERSION) AC_SUBST(CLUTTER_MINOR_VERSION) AC_SUBST(CLUTTER_MICRO_VERSION) AC_SUBST(CLUTTER_VERSION) AC_SUBST(CLUTTER_API_VERSION) AC_SUBST(CLUTTER_MAJORMINOR) m4_define([lt_current], [m4_eval(100 * clutter_minor_version + clutter_micro_version - clutter_interface_age)]) m4_define([lt_revision], [clutter_interface_age]) m4_define([lt_age], [m4_eval(clutter_binary_age - clutter_interface_age)]) CLUTTER_LT_CURRENT=lt_current CLUTTER_LT_REV=lt_revision CLUTTER_LT_AGE=lt_age CLUTTER_LT_VERSION="$CLUTTER_LT_CURRENT:$CLUTTER_LT_REV:$CLUTTER_LT_AGE" CLUTTER_LT_LDFLAGS="-version-info $CLUTTER_LT_VERSION" AC_SUBST(CLUTTER_LT_VERSION) AC_SUBST(CLUTTER_LT_LDFLAGS) dnl ======================================================================== # Checks for programs. AC_PROG_CC #_AM_DEPENDENCIES([OBJC]) #AC_PROG_OBJC AC_DISABLE_STATIC AC_PROG_LIBTOOL # Make libtool respect the make -s switch (kudos to jacob berman) changequote(,)dnl LIBTOOL="${LIBTOOL} \$(shell echo \"\$(MFLAGS)\" | awk '/^[^ ]*s/ { print \"--silent\" }')" changequote([,])dnl # Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([fcntl.h stdlib.h string.h unistd.h]) # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST # Checks for library functions. AC_FUNC_MALLOC AC_FUNC_MMAP AC_CHECK_FUNCS([memset munmap strcasecmp strdup]) AC_PATH_PROG([GLIB_MKENUMS], [glib-mkenums]) AC_PATH_PROG([GLIB_GENMARSHAL], [glib-genmarshal]) PKG_PROG_PKG_CONFIG dnl ======================================================================== imagebackend="gdk-pixbuf" AC_ARG_WITH([imagebackend], AC_HELP_STRING([--with-imagebackend=@<:@gdk-pixbuf/internal@:>@], [Select COGL image loading backend]), imagebackend=$with_imagebackend) case $imagebackend in gdk-pixbuf) AC_DEFINE([USE_GDKPIXBUF], 1, [Use GdkPixbuf for loading image files]) ;; internal) ;; esac dnl ======================================================================== backendextra= backendextralib= clutterbackend=glx AC_ARG_WITH([flavour], AC_HELP_STRING([--with-flavour=@<:@glx/eglx/eglnative/sdl/osx/win32/fruity@:>@], [Select the Clutter backend]), clutterbackend=$with_flavour) case $clutterbackend in glx|eglx|eglnative|sdl|osx|win32|fruity) ;; *) AC_MSG_ERROR([Invalid flavour $clutterbackend]) ;; esac glesversion=1.1 AC_ARG_WITH([gles], AC_HELP_STRING([--with-gles=@<:@1.1/2.0@:>@], [Select Clutter GLES version (for EGL backends)]), glesversion=$with_gles) case $glesversion in 1.1|2.0) ;; *) AC_MSG_ERROR([Invalid GL ES version $glesversion]) esac if test "x$clutterbackend" = "xfruity" then if test "x$glesversion" != "x1.1"; then AC_MSG_ERROR([Fruity backend only supports GL ES 1.1.]); fi glesversion="fruity" fi BACKEND_PC_FILES="" # Check for X though could be redundant if backend does not need it. AC_MSG_CHECKING([for X11]) PKG_CHECK_EXISTS([x11], [have_x11=yes], [have_x11=no]) if test "x$have_x11" = "xno"; then AC_PATH_X if test x"$no_x" = "yes" ; then if test "x$clutterbackend" = "xglx" or "x$clutterbackend" = "xeglx" then AC_MSG_ERROR([No X11 Libraries found and required by backend.]) fi AC_MSG_RESULT([not found]) else if test x"$x_includes" != x"NONE" && test -n "$x_includes" ; then X11_CFLAGS=-I`echo $x_includes | sed -e "s/:/ -I/g"` fi if test x"$x_libraries" != x"NONE" && test -n "$x_libraries" ; then X11_LIBS=-L`echo $x_libraries | sed -e "s/:/ -L/g"` fi AC_MSG_RESULT([found]) fi else AC_MSG_RESULT([found]) fi AC_MSG_CHECKING([for XFIXES extension >= 3]) PKG_CHECK_EXISTS([xfixes >= 3], [have_xfixes=yes], [have_xfixes=no]) if test "x$have_xfixes" = "xyes"; then AC_DEFINE(HAVE_XFIXES, 1, [Define to 1 if we have the XFIXES X extension]) X11_LIBS="$X11_LIBS -lXfixes" AC_MSG_RESULT([found]) else AC_MSG_RESULT([not found]) fi AC_MSG_CHECKING([for XDAMAGE extension]) PKG_CHECK_EXISTS([xdamage], [have_xdamage=yes], [have_xdamage=no]) if test "x$have_xdamage" = "xyes"; then AC_DEFINE(HAVE_XDAMAGE, 1, [Define to 1 if we have the XDAMAGE X extension]) X11_LIBS="$X11_LIBS -lXdamage" AC_MSG_RESULT([found]) else AC_MSG_RESULT([not found]) fi # Composite 0.4 just needed for tests AC_MSG_CHECKING([for XCOMPOSITE extension >= 0.4]) PKG_CHECK_EXISTS([xcomposite >= 0.4], [have_xcomposite=yes], [have_xcomposite=no]) if test "x$have_xcomposite" = "xyes"; then AC_DEFINE(HAVE_XCOMPOSITE, 1, [Define to 1 if we have the XCOMPOSITE X extension]) AC_MSG_RESULT([found]) else AC_MSG_RESULT([not found]) fi x11_tests=no # Currently require all extentions, may not for actual release. if test "x$clutterbackend" = "xglx" || test "x$clutterbackend" = "xeglx" then if test "x$have_xdamage" = "xno" || test "x$have_xfixes" = "xno"; then AC_MSG_ERROR([Required backend X11 Libraries not found.]) fi if test "x$have_xcomposite" = "xyes"; then x11_tests=yes fi fi AM_CONDITIONAL(X11_TESTS, test "x$x11_tests" != "xno") clutter_gl_header="" use_gles2_wrapper="no" if test "x$clutterbackend" = "xeglnative" || test "x$clutterbackend" = "xeglx" || test "x$clutterbackend" = "xfruity" then case $glesversion in 1*) clutter_gl_header="GLES/gl.h" CLUTTER_COGL="gles" AC_DEFINE([HAVE_COGL_GLES], 1, [Have GL/ES for rendering]) AC_CHECK_HEADERS([GLES/egl.h],, [AC_MSG_ERROR([Unable to locate required GLES headers])]) AC_CHECK_HEADERS([$clutter_gl_header],, [AC_MSG_ERROR([Unable to locate required GLES headers])]) # check for upper/lower case libgles_em # The powervr sdk uses lower case. AC_CHECK_LIB(GLES_CM, eglInitialize, HAVE_LIBGLES=yes, HAVE_LIBGLES=no) if test "x$HAVE_LIBGLES" = "xno"; then AC_CHECK_LIB(GLESv1_CM, eglInitialize, HAVE_LIBGLES=yes, HAVE_LIBGLES=no) if test "x$HAVE_LIBGLES" = "xno"; then AC_CHECK_LIB(gles_cm, eglInitialize, HAVE_LIBGLES=yes, HAVE_LIBGLES=no) if test "x$HAVE_LIBGLES" = "xno"; then AC_MSG_ERROR([GLES library not found and egl backend requested.]); else GLES_LIBS="-lgles_cm" fi else GLES_LIBS="-lGLESv1_CM" fi else GLES_LIBS="-lGLES_CM" fi ;; 2*) clutter_gl_header="GLES2/gl2.h" CLUTTER_COGL="gles" AC_DEFINE([HAVE_COGL_GLES2], 1, [Have GL/ES for rendering]) AC_CHECK_HEADERS([EGL/egl.h],, [AC_MSG_ERROR([Unable to locate required GLES headers])]) AC_CHECK_HEADERS([$clutter_gl_header],, [AC_MSG_ERROR([Unable to locate required GLES headers])]) GLES_LIBS="-lGLESv2 -lEGL" use_gles2_wrapper=yes ;; fruity) CLUTTER_COGL="gles" AC_DEFINE([HAVE_COGL_GLES], 1, [Have GL/ES for rendering]) ;; *) AC_MSG_ERROR([Invalid GL ES Version '$glesversion' specified]) ;; esac fi AM_CONDITIONAL(USE_GLES2_WRAPPER, test "x$use_gles2_wrapper" != "xno") case $clutterbackend in sdl) clutter_gl_header="GL/gl.h" CLUTTER_FLAVOUR="sdl" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_SDL" AC_DEFINE([HAVE_CLUTTER_SDL], 1, [Have the SDL backend]) CLUTTER_COGL="gl" AC_DEFINE([HAVE_COGL_GL], 1, [Have GL for rendering]) AC_PATH_PROG(SDL_CONFIG, sdl-config) if test "x$SDL_CONFIG" = "x"; then AC_MSG_ERROR([[No sdl-config binary found in path and SDL flavour requested.]]) else SDL_CFLAGS=`$SDL_CONFIG --cflags` SDL_LIBS=`$SDL_CONFIG --libs` AC_CHECK_HEADERS([$clutter_gl_header],, [AC_MSG_ERROR([Unable to locate required GL headers])]) dnl Use -lopengl32 under Windows instead of -lGL case "$host" in *mingw32*) SDL_LIBS="$SDL_LIBS -lopengl32" CLUTTER_LT_LDFLAGS="$CLUTTER_LT_LDFLAGS -no-undefined" ;; *) AC_CHECK_LIB(GL, glEnable, HAVE_LIBGL=yes, HAVE_LIBGL=no) if test "x$HAVE_LIBGL" = "xno"; then AC_MSG_ERROR([libGL not found]); fi SDL_LIBS="$SDL_LIBS -lGL" ;; esac fi ;; glx) clutter_gl_header="GL/gl.h" CLUTTER_FLAVOUR="glx" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_GLX" AC_DEFINE([HAVE_CLUTTER_GLX], 1, [Have the GLX backend]) CLUTTER_COGL="gl" AC_DEFINE([HAVE_COGL_GL], 1, [Have GL for rendering]) AC_CHECK_HEADERS([$clutter_gl_header],, [AC_MSG_ERROR([Unable to locate required GL headers])]) AC_CHECK_HEADERS([GL/glx.h],, [AC_MSG_ERROR([Unable to locate required GLX headers])]) AC_CHECK_LIB(GL, glXCreateContext, HAVE_LIBGLX=yes, HAVE_LIBGLX=no) if test "x$HAVE_LIBGLX" = "xno"; then AC_MSG_ERROR([GLX not found and GLX backend requested]); fi if test "x$imagebackend" = "xgdk-pixbuf"; then # xlib pixbuf needed for exporting the stage BACKEND_PC_FILES="gdk-pixbuf-xlib-2.0" fi GLX_LIBS="$X11_LIBS -lGL" GLX_CFLAGS="$X11_CFLAGS" backendextra=x11 backendextralib="x11/libclutter-x11.la" ;; eglx) CLUTTER_FLAVOUR="eglx" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_EGL" AC_DEFINE([HAVE_CLUTTER_EGL], 1, [Have the EGL backend]) EGL_LIBS="$GLES_LIBS $X11_LIBS" EGL_CFLAGS="$GLES_CFLAGS $X11_CFLAGS" backendextra=x11 backendextralib="x11/libclutter-x11.la" ;; eglnative) CLUTTER_FLAVOUR="eglnative" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_EGLNATIVE" AC_DEFINE([HAVE_CLUTTER_EGL], 1, [Have the EGL backend]) PKG_CHECK_MODULES(TSLIB, tslib-1.0, [have_tslib=yes], [have_tslib=no]) if test x$have_tslib = xyes; then AC_DEFINE([HAVE_TSLIB], 1, [Have tslib for touchscreen handling]) fi EGL_LIBS="$GLES_LIBS $TSLIB_LIBS" EGL_CFLAGS="$TSLIB_CFLAGS" ;; fruity) CLUTTER_FLAVOUR="fruity" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_FRUITY" AC_DEFINE([HAVE_CLUTTER_FRUITY], 1, [We're building a fruity version of the eglnative backend]) EGL_LIBS="-ObjC -framework Foundation -framework CoreFoundation -framework CoreGraphics -framework CoreSurface -framework GraphicsServices -framework OpenGLES -framework LayerKit -framework UIKit" EGL_CFLAGS="" ;; osx) clutter_gl_header="OpenGL/gl.h" CLUTTER_FLAVOUR="osx" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_OSX" AC_DEFINE([HAVE_CLUTTER_OSX], [1], [Have the OSX backend]) CLUTTER_COGL="gl" AC_DEFINE([HAVE_COGL_GL], [1], [Have GL for rendering]) OSX_LIBS="-framework Cocoa -framework OpenGL" AC_CHECK_HEADERS([$clutter_gl_header],, [AC_MSG_ERROR([Unable to locate required GL headers])]) ;; win32) clutter_gl_header="GL/gl.h" CLUTTER_FLAVOUR="win32" CLUTTER_STAGE_TYPE="CLUTTER_TYPE_STAGE_WIN32" AC_DEFINE([HAVE_CLUTTER_WIN32], 1, [Have the Win32 backend]) CLUTTER_COGL="gl" AC_DEFINE([HAVE_COGL_GL], 1, [Have GL for rendering]) AC_CHECK_HEADERS([$clutter_gl_header],, [AC_MSG_ERROR([Unable to locate required GL headers])]) WIN32_CFLAGS="-D_WIN32_WINNT=0x0500" WIN32_LIBS="-lopengl32 -lgdi32 -lwinmm" CLUTTER_LT_LDFLAGS="$CLUTTER_LT_LDFLAGS -no-undefined" ;; *) AC_MSG_ERROR([Invalid backend for Clutter: use glx,sdl,osx,win32,eglx, eglnative or fruity]) ;; esac CLUTTER_GL_HEADER=$clutter_gl_header AC_SUBST([clutterbackend]) AC_SUBST([imagebackend]) AC_SUBST([backendextra]) AC_SUBST([backendextralib]) AC_SUBST(CLUTTER_FLAVOUR) AC_SUBST(CLUTTER_COGL) AC_SUBST(CLUTTER_GL_HEADER) AC_SUBST(CLUTTER_STAGE_TYPE) clutterbackendlib=libclutter$CLUTTER_REAL-$clutterbackend-$CLUTTER_MAJORMINOR.la AC_SUBST([clutterbackendlib]) dnl ======================================================================== # allow building clutter with an external dependency on json-glib # using the --with-json=check argument, but keep the default to # the internal version AC_ARG_WITH([json], AC_HELP_STRING([--with-json=@<:@internal/check@:>@], [Select the JSON-GLib copy to use @<:@default=internal@:>@]), [], [with_json=internal]) case $with_json in internal|check) ;; *) AC_MSG_ERROR([Invalid value for the JSON library: use internal or check]) ;; esac if test "x$with_json" = "xinternal"; then JSON_PREFIX=json have_json=no else # if the user asked for it and if we have json-glib installed, # prefer the system library instead of the internal copy AC_MSG_CHECKING([for installed JSON-GLib]) PKG_CHECK_EXISTS(json-glib-1.0, [have_json=yes], [have_json=no]) if test "x$have_json" = "xyes"; then JSON_PREFIX=json-glib JSON_GLIB_PC=json-glib-1.0 AC_DEFINE(HAVE_JSON_GLIB, 1, [Have the JSON-GLib library installed]) AC_MSG_RESULT([found]) else JSON_PREFIX=json AC_MSG_RESULT([not found, using internal copy]) fi fi AC_SUBST(JSON_PREFIX) AM_CONDITIONAL(LOCAL_JSON_GLIB, test "x$have_json" = "xno") CLUTTER_REQUIRES="pangocairo >= 1.18 glib-2.0 >= 2.14 gobject-2.0 gthread-2.0 gmodule-2.0 $BACKEND_PC_FILES $JSON_GLIB_PC" if test "x$imagebackend" = "xgdk-pixbuf"; then CLUTTER_REQUIRES="$CLUTTER_REQUIRES gdk-pixbuf-2.0" fi PKG_CHECK_MODULES(CLUTTER_DEPS, [$CLUTTER_REQUIRES]) AC_SUBST(CLUTTER_REQUIRES) # prefixes for fixing gtk-doc references GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`" PANGO_PREFIX="`$PKG_CONFIG --variable=prefix pango`" GDKPIXBUF_PREFIX="`$PKG_CONFIG --variable=prefix pango`" AC_SUBST(GLIB_PREFIX) AC_SUBST(PANGO_PREFIX) AC_SUBST(GDKPIXBUF_PREFIX) dnl ======================================================================== if test "x$GCC" = "xyes"; then GCC_FLAGS="-g -Wall" fi dnl = Enable debug level =================================================== m4_define([debug_default], m4_if(m4_eval(clutter_minor_version % 2), [1], [yes], [minimum])) AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug=@<:@no/minimum/yes@:>@], [turn on debugging. yes; All glib asserts, checks and runtime clutter verbose messages. minimum; Just glib cast checks and runtime clutter verbose messagaes. no; No glib asserts or checks and no runtime clutter verbose messages. @<:@default=debug_default@:>@]), , enable_debug=debug_default) if test "x$enable_debug" = "xyes"; then test "$cflags_set" = set || CFLAGS="$CFLAGS -g" CLUTTER_DEBUG_CFLAGS="-DCLUTTER_ENABLE_DEBUG" else if test "x$enable_debug" = "xno"; then CLUTTER_DEBUG_CFLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS" else # minimum CLUTTER_DEBUG_CFLAGS="-DCLUTTER_ENABLE_DEBUG -DG_DISABLE_CAST_CHECKS" fi fi AC_SUBST(CLUTTER_DEBUG_CFLAGS) dnl = Enable strict compiler flags ========================================= # use strict compiler flags only on development releases #m4_define([maintainer_flags_default], # m4_if(m4_eval(clutter_minor_version % 2), [1], [yes], [no])) m4_define([maintainer_flags_default], [no]) AC_ARG_ENABLE([maintainer-flags], AC_HELP_STRING([--enable-maintainer-flags=@<:@no/yes@:>@], [Use strict compiler flags @<:@default=maintainer_flags_default@:>@]),, enable_maintainer_flags=maintainer_flags_default) if test "x$enable_maintainer_flags" = "xyes"; then CPPFLAGS="$CPPFLAGS -Werror -Wall -Wshadow -Wcast-align -Wno-uninitialized" fi dnl = GTK Doc check ======================================================== GTK_DOC_CHECK([1.8]) dnl = Manual =============================================================== AC_ARG_ENABLE(manual, AC_HELP_STRING([--enable-manual=@<:@no/yes@:>@], [Build application developers manual. Requires jw and xmlto binaries.]), enable_manual=$enableval, enable_manual=no) if test "x$enable_manual" = "xyes"; then AC_PATH_PROG(JW, jw, no) if test "x$JW" = "xno"; then AC_MSG_ERROR(['jw' program needed by the manual not found in path]) fi AC_PATH_PROG(XMLTO, xmlto, no) if test "x$XMLTO" = "xno"; then AC_MSG_ERROR(['xmlto' program needed by the manual not found in path]) fi fi AM_CONDITIONAL(ENABLE_MANUAL, test "x$enable_manual" != "xno") dnl ======================================================================== AC_SUBST(GCC_FLAGS) CLUTTER_CFLAGS="$SDL_CFLAGS $EGL_CFLAGS $GLX_CFLAGS $OSX_CFLAGS $WIN32_CFLAGS $CLUTTER_DEPS_CFLAGS" CLUTTER_LIBS="$SDL_LIBS $EGL_LIBS $GLX_LIBS $OSX_LIBS $WIN32_LIBS $CLUTTER_DEPS_LIBS" AC_SUBST(CLUTTER_CFLAGS) AC_SUBST(CLUTTER_LIBS) AC_CONFIG_FILES([ Makefile clutter/Makefile clutter/clutter-version.h clutter/clutter-json.h clutter/x11/Makefile clutter/x11/clutter-x11.pc clutter/glx/Makefile clutter/eglx/Makefile clutter/eglnative/Makefile clutter/fruity/Makefile clutter/osx/Makefile clutter/win32/Makefile clutter/win32/clutter-win32.pc clutter/sdl/Makefile clutter/cogl/Makefile clutter/cogl/common/Makefile clutter/cogl/cogl.h clutter/cogl/cogl-defines-gl.h:clutter/cogl/gl/cogl-defines.h.in clutter/cogl/cogl-defines-gles.h:clutter/cogl/gles/cogl-defines.h.in clutter/cogl/gl/Makefile clutter/cogl/gles/Makefile clutter/json/Makefile clutter/pango/Makefile tests/Makefile doc/Makefile doc/reference/Makefile doc/reference/clutter/Makefile doc/reference/clutter/version.xml doc/reference/cogl/Makefile doc/manual/clutter-manual.xml doc/manual/Makefile clutter.pc ]) AC_OUTPUT dnl ======================================================================== echo "" echo " Clutter $VERSION" echo " ===================" echo "" echo " prefix: ${prefix}" echo "" echo " Flavour: ${clutterbackend}/${CLUTTER_COGL}" echo " GL Headers: ${CLUTTER_GL_HEADER}" echo " Target library: ${clutterbackendlib}" echo " Debug level: ${enable_debug}" echo " Compiler flags: ${CPPFLAGS}" echo " API Documentation: ${enable_gtk_doc}" echo " Manual Documentation: ${enable_manual}" echo "" # you can add more configuration options or flags that will bring up the # the experimental/unstable warning summary. if test "x$imagebackend" = "xinternal"; then experimental_stuff="$experimental_stuff imagebackend=$imagebackend\n" fi if test "x$clutterbackend" = "xfruity"; then experimental_stuff="$experimental_stuff clutterbackend=$clutterbackend\n" fi if test "x$experimental_stuff" != "x"; then echo "" echo "☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠" echo " *WARNING*" echo "" echo " Experimental features configured, stability of your build either uses" echo " experimental backends or experimental and unsupported features:" echo -e " $experimental_stuff" echo "☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠☠" echo "" fi