--- configure.ac	Thu Mar 13 11:54:25 2008
+++ configure.ac	Thu Mar 13 12:07:45 2008
@@ -284,6 +284,11 @@
 fi
 AM_CONDITIONAL(XSERVER_LIBPCIACCESS, test "x$XSERVER_LIBPCIACCESS" = xyes)
 
+case $host_os in
+  *linux*)
+  AC_DEFINE(FGL_LINUX, 1, [Use linux pragma pack]) ;;
+esac
+
 AC_SUBST([XORG_CFLAGS])
 AC_SUBST([DRI_CFLAGS])
 AC_SUBST([moduledir])

--- src/Makefile.am	Thu Mar 13 11:55:00 2008
+++ src/Makefile.am	Thu Mar 13 11:55:47 2008
@@ -77,7 +77,7 @@
 RADEON_EXA_SOURCES = radeon_exa.c
 endif
 
-AM_CFLAGS = @XORG_CFLAGS@ @DRI_CFLAGS@ @XMODES_CFLAGS@ -DDISABLE_EASF -DENABLE_ALL_SERVICE_FUNCTIONS -DATOM_BIOS -DATOM_BIOS_PARSER -DFGL_LINUX -DDRIVER_PARSER
+AM_CFLAGS = @XORG_CFLAGS@ @DRI_CFLAGS@ @XMODES_CFLAGS@ -DDISABLE_EASF -DENABLE_ALL_SERVICE_FUNCTIONS -DATOM_BIOS -DATOM_BIOS_PARSER -DDRIVER_PARSER
 INCLUDES = -I$(srcdir)/AtomBios/includes
 
 ati_drv_la_LTLIBRARIES = ati_drv.la