configure.ac: allow conditional building of XF86{DGA,Misc,VidMode}

Allow conditional building of the above three extensions, defaulting to
auto.

1 files changed, 33 insertions, 22 deletions

diff --git a/configure.ac b/configure.ac
index dffa472f9..62a384860 100644
--- a/configure.ac
+++ b/configure.ac
@@ -404,7 +404,7 @@ AC_ARG_ENABLE(xtrap,          AS_HELP_STRING([--disable-xtrap], [Build XTrap ext
 AC_ARG_ENABLE(record,         AS_HELP_STRING([--disable-record], [Build Record extension (default: enabled)]), [RECORD=$enableval], [RECORD=yes])
 AC_ARG_ENABLE(xv,             AS_HELP_STRING([--disable-xv], [Build Xv extension (default: enabled)]), [XV=$enableval], [XV=yes])
 AC_ARG_ENABLE(xvmc,           AS_HELP_STRING([--disable-xvmc], [Build XvMC extension (default: enabled)]), [XVMC=$enableval], [XVMC=yes])
-AC_ARG_ENABLE(dga,            AS_HELP_STRING([--disable-dga], [Build DGA extension (default: enabled)]), [DGA=$enableval], [DGA=yes])
+AC_ARG_ENABLE(dga,            AS_HELP_STRING([--disable-dga], [Build DGA extension (default: auto)]), [DGA=$enableval], [DGA=auto])
 AC_ARG_ENABLE(screensaver,    AS_HELP_STRING([--disable-screensaver], [Build ScreenSaver extension (default: enabled)]), [SCREENSAVER=$enableval], [SCREENSAVER=yes])
 AC_ARG_ENABLE(xdmcp,          AS_HELP_STRING([--disable-xdmcp], [Build XDMCP extension (default: auto)]), [XDMCP=$enableval], [XDMCP=auto])
 AC_ARG_ENABLE(xdm-auth-1,     AS_HELP_STRING([--disable-xdm-auth-1], [Build XDM-Auth-1 extension (default: auto)]), [XDMAUTH=$enableval], [XDMAUTH=auto])
@@ -413,8 +413,8 @@ AC_ARG_ENABLE(aiglx,          AS_HELP_STRING([--enable-aiglx], [Build accelerate
 AC_ARG_ENABLE(glx-tls,        AS_HELP_STRING([--enable-glx-tls], [Build GLX with TLS support (default: disabled)]), [GLX_USE_TLS=$enableval], [GLX_USE_TLS=no])
 AC_ARG_ENABLE(dri,            AS_HELP_STRING([--enable-dri], [Build DRI extension (default: auto)]), [DRI=$enableval])
 AC_ARG_ENABLE(xinerama,	      AS_HELP_STRING([--disable-xinerama], [Build Xinerama extension (default: enabled)]), [XINERAMA=$enableval], [XINERAMA=yes])
-AC_ARG_ENABLE(xf86vidmode,    AS_HELP_STRING([--disable-xf86vidmode], [Build XF86VidMode extension (default: enabled)]), [XF86VIDMODE=$enableval], [XF86VIDMODE=yes])
-AC_ARG_ENABLE(xf86misc,       AS_HELP_STRING([--disable-xf86misc], [Build XF86Misc extension (default: enabled)]), [XF86MISC=$enableval], [XF86MISC=yes])
+AC_ARG_ENABLE(xf86vidmode,    AS_HELP_STRING([--disable-xf86vidmode], [Build XF86VidMode extension (default: auto)]), [XF86VIDMODE=$enableval], [XF86VIDMODE=auto])
+AC_ARG_ENABLE(xf86misc,       AS_HELP_STRING([--disable-xf86misc], [Build XF86Misc extension (default: auto)]), [XF86MISC=$enableval], [XF86MISC=auto])
 AC_ARG_ENABLE(xcsecurity,     AS_HELP_STRING([--disable-xcsecurity], [Build Security extension (default: enabled)]), [XCSECURITY=$enableval], [XCSECURITY=yes])
 AC_ARG_ENABLE(xevie,          AS_HELP_STRING([--disable-xevie], [Build XEvIE extension (default: enabled)]), [XEVIE=$enableval], [XEVIE=yes])
 AC_ARG_ENABLE(appgroup,       AS_HELP_STRING([--disable-appgroup], [Build XC-APPGROUP extension (default: enabled)]), [APPGROUP=$enableval], [APPGROUP=yes])
@@ -544,10 +544,6 @@ if test "x$XVMC" = xyes; then
 	AC_DEFINE(XvMCExtension, 1, [Build XvMC extension])
 fi
 
-AM_CONDITIONAL(DGA, [test "x$DGA" = xyes])
-if test "x$DGA" = xyes; then
-	AC_DEFINE(DGA, 1, [Support DGA extension])
-fi
 
 AM_CONDITIONAL(COMPOSITE, [test "x$COMPOSITE" = xyes])
 if test "x$COMPOSITE" = xyes; then
@@ -696,14 +692,6 @@ if test "x$DPMSExtension" = xyes; then
 	AC_DEFINE(DPMSExtension, 1, [Support DPMS extension])
 fi
 
-if test "x$XF86VIDMODE" = xyes; then
-	AC_DEFINE(XF86VIDMODE, 1, [Support XFree86 Video Mode extension])
-fi
-
-if test "x$XF86MISC" = xyes; then
-	AC_DEFINE(XF86MISC, 1, [Support XFree86 miscellaneous extensions])
-fi
-
 if test "x$XPRINT" = xauto; then
 	PKG_CHECK_MODULES([XPRINTPROTO], [printproto], [XPRINT=yes], [XPRINT=no])
 fi
@@ -1069,13 +1057,36 @@ if test "x$XORG" = xyes -o "x$XGL" = xyes; then
 	XORG_CFLAGS="$XORGSERVER_CFLAGS -DHAVE_XORG_CONFIG_H"
 	XORG_LIBS="$COMPOSITE_LIB $MI_LIB $FIXES_LIB $XEXTXORG_LIB $GLX_LIBS $RENDER_LIB $RANDR_LIB $DAMAGE_LIB $MIEXT_DAMAGE_LIB $MIEXT_SHADOW_LIB $XI_LIB $XKB_LIB $XPSTUBS_LIB $OS_LIB"
 
-        AC_DEFINE(XF86VIDMODE, 1, [Support XFree86 Video Mode extension])
-        AC_DEFINE(XF86MISC, 1, [Support XFree86 miscellaneous extensions])
+	if test "x$DGA" = xauto; then
+		PKG_CHECK_MODULES(DGA, dgaproto, [DGA=yes], [DGA=no])
+	fi
+	if test "x$DGA" = xyes; then
+		XORG_MODULES="$XORG_MODULES xf86dgaproto"
+		AC_DEFINE(DGA, 1, [Support DGA extension])
+		AC_DEFINE(XFreeXDGA, 1, [Build XDGA support])
+	fi
+
+	if test "x$XF86MISC" = xauto; then
+		PKG_CHECK_MODULES(XF86MISC, xf86miscproto, [XF86MISC=yes], [XF86MISC=no])
+	fi
+	if test "x$XF86MISC" = xyes; then
+		XORG_MODULES="$XORG_MODULES xf86miscproto"
+		AC_DEFINE(XF86MISC, 1, [Support XFree86 miscellaneous extensions])
+	fi
 
-        XORG_MODULES="xf86miscproto xf86vidmodeproto xf86dgaproto"
-        PKG_CHECK_MODULES(XORG_MODULES, [$XORG_MODULES])
-        XORG_CFLAGS="$XORG_CFLAGS $XORG_MODULES_CFLAGS"
-        XORG_LIBS="$XORG_LIBS $XORG_MODULES_LIBS"
+	if test "x$XF86VIDMOE" = xauto; then
+		PKG_CHECK_MODULES(XF86VIDMODE, xf86vidmode, [DGA=yes], [DGA=no])
+	fi
+	if test "x$XF86VIDMODE" = xyes; then
+		XORG_MODULES="$XORG_MODULES xf86vidmodeproto"
+		AC_DEFINE(XF86VIDMODE, 1, [Support XFree86 Video Mode extension])
+	fi
+
+	if test -n "$XORG_MODULES"; then
+	        PKG_CHECK_MODULES(XORG_MODULES, [$XORG_MODULES])
+	        XORG_CFLAGS="$XORG_CFLAGS $XORG_MODULES_CFLAGS"
+	        XORG_LIBS="$XORG_LIBS $XORG_MODULES_LIBS"
+	fi
 
 dnl Check to see if dlopen is in default libraries (like Solaris, which
 dnl has it in libc), or if libdl is needed to get it.
@@ -1312,6 +1323,7 @@ AM_CONDITIONAL([SOLARIS_ASM_INLINE], [test "x$solaris_asm_inline" = xyes])
 AM_CONDITIONAL(MFB, [test "x$XORG" = xyes])
 AM_CONDITIONAL(CFB, [test "x$XORG" = xyes])
 AM_CONDITIONAL(AFB, [test "x$XORG" = xyes])
+AM_CONDITIONAL(DGA, [test "x$DGA" = xyes])
 
 dnl Xprint DDX
 
@@ -1572,7 +1584,6 @@ AC_DEFINE_DIR(XKM_OUTPUT_DIR, XKBOUTPUT, [Path to XKB output dir])
 AC_SUBST(XKB_COMPILED_DIR)
 
 dnl and the rest of these are generic, so they're in config.h
-AC_DEFINE(XFreeXDGA, 1, [Build XDGA support])
 AC_DEFINE(XResExtension, 1, [Build XRes extension])
 
 dnl CYGWIN does not define fd_set if _POSIX_SOURCE is defined