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changeset 1588:e20dcef5647c

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Improved DirectFB install detection
author Sam Lantinga <slouken@libsdl.org>
date Wed, 22 Mar 2006 09:18:10 +0000
parents 7fd9fc1f2be5
children 34cca785be57
files SDL.spec.in configure.in src/video/directfb/SDL_DirectFB_video.c
diffstat 3 files changed, 37 insertions(+), 22 deletions(-) [+]
line wrap: on
line diff
--- a/SDL.spec.in	Wed Mar 22 09:13:10 2006 +0000
+++ b/SDL.spec.in	Wed Mar 22 09:18:10 2006 +0000
@@ -36,9 +36,9 @@
 
 %build
 %ifos linux
-CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} --disable-video-svga --disable-video-ggi --disable-video-aalib --disable-debug --enable-dlopen --enable-esd-shared --enable-arts-shared
+CFLAGS="$RPM_OPT_FLAGS" ./configure --prefix=%{prefix} --disable-video-aalib --disable-video-directfb --disable-video-ggi --disable-video-svga
 %else
-%configure --disable-debug --enable-dlopen
+%configure
 %endif
 make
 
--- a/configure.in	Wed Mar 22 09:13:10 2006 +0000
+++ b/configure.in	Wed Mar 22 09:18:10 2006 +0000
@@ -1012,31 +1012,46 @@
 CheckDirectFB()
 {
     AC_ARG_ENABLE(video-directfb,
-AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [default=no]]),
-                  , enable_video_directfb=no)
+AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [default=yes]]),
+                  , enable_video_directfb=yes)
     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
         video_directfb=no
 
-        AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
-        if test x$PKG_CONFIG = xno ; then
-            AC_MSG_WARN([*** pkg-config is required to build the DirectFB video driver.])
-        else
-            AC_MSG_CHECKING(for DirectFB support)
+        DIRECTFB_REQUIRED_VERSION=0.9.15
+
+        AC_PATH_PROG(DIRECTFBCONFIG, directfb-config)
+        if test x$DIRECTFBCONFIG = x -o x$DIRECTFBCONFIG = x'"$DIRECTFBCONFIG"'; then
+            AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
+            if test x$PKG_CONFIG != xno ; then
+                AC_MSG_WARN([*** directfb-config or pkg-config are required to detect the DirectFB video driver.])
+            else
+                AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
+
+                if ! $PKG_CONFIG --atleast-pkgconfig-version 0.7 ; then
+                    AC_MSG_ERROR([*** pkg-config too old; version 0.7 or better required.])
+                fi
 
-            if ! $PKG_CONFIG --atleast-pkgconfig-version 0.7 ; then
-                AC_MSG_ERROR([*** pkg-config too old; version 0.7 or better required.])
+                if $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb ; then
+                    DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
+                    DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
+                    video_directfb=yes
+                fi
+                AC_MSG_RESULT($video_directfb)
             fi
-
-            DIRECTFB_REQUIRED_VERSION=0.9.15
-
-            if $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb ; then
-                DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
-                DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
+        else
+            AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
+            set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
+            NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
+            set -- `directfb-config --version | sed 's/\./ /g'`
+            HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
+            if test $HAVE_VERSION -ge $NEED_VERSION; then
+                DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
+                DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
                 video_directfb=yes
             fi
+            AC_MSG_RESULT($video_directfb)
         fi
 
-        AC_MSG_RESULT($video_directfb)
         if test x$video_directfb = xyes; then
             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB)
             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
@@ -1102,7 +1117,7 @@
 CheckSVGA()
 {
     AC_ARG_ENABLE(video-svga,
-AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [default=no]]),
+AC_HELP_STRING([--enable-video-svga], [use SVGAlib video driver [default=yes]]),
                   , enable_video_svga=yes)
     if test x$enable_video = xyes -a x$enable_video_svga = xyes; then
         AC_MSG_CHECKING(for SVGAlib (1.4.0+) support)
@@ -1132,8 +1147,8 @@
 CheckVGL()
 {
     AC_ARG_ENABLE(video-vgl,
-AC_HELP_STRING([--enable-video-vgl], [use VGL video driver [default=no]]),
-                  , enable_video_vgl=no)
+AC_HELP_STRING([--enable-video-vgl], [use VGL video driver [default=yes]]),
+                  , enable_video_vgl=yes)
     if test x$enable_video = xyes -a x$enable_video_vgl = xyes; then
         AC_MSG_CHECKING(for libVGL support)
         video_vgl=no
--- a/src/video/directfb/SDL_DirectFB_video.c	Wed Mar 22 09:13:10 2006 +0000
+++ b/src/video/directfb/SDL_DirectFB_video.c	Wed Mar 22 09:18:10 2006 +0000
@@ -1082,7 +1082,7 @@
 {
   struct DirectFBEnumRect *rect    = enumlist;
 
-  if (this->screen->hwdata)
+  if (this->screen && this->screen->hwdata)
     {
       IDirectFBSurface        *surface = this->screen->hwdata->surface;
       IDirectFBPalette        *palette = this->screen->hwdata->palette;