diff options
| -rw-r--r-- | configure.ac | 24 | ||||
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | ztv/Makefile.am | 2 |
3 files changed, 26 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 179fd28..307ffe2 100644 --- a/configure.ac +++ b/configure.ac @@ -81,6 +81,30 @@ if test "x$ztv" != "xno" ; then fi AM_CONDITIONAL(BUILD_ZTV, [test "x$BUILD_ZTV" = xyes]) +# Check if GCC supports compiling in 32 bit mode for 64 bit computers +case $host_cpu in + x86_64*|amd64*) + if test "x$GCC" = xyes ; then + SAVE_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -m32" + AC_MSG_CHECKING([if $CC supports the -m32 Intel/AMD option]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ +#include <unistd.h> +int +main () +{ + ; + return 0; +}]])], + [m32_support=yes; M32_CFLAGS=-m32], + [m32_support=no]) + AC_MSG_RESULT([$m32_support]) + CFLAGS="$SAVE_CFLAGS" + fi + ;; +esac +AC_SUBST([M32_CFLAGS]) + # Checks for extensions XORG_DRIVER_CHECK_EXT(RANDR, randrproto) XORG_DRIVER_CHECK_EXT(RENDER, renderproto) diff --git a/src/Makefile.am b/src/Makefile.am index d5f57b9..86139de 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -35,6 +35,7 @@ AM_CFLAGS = \ $(XORG_CFLAGS) \ $(CWARNFLAGS) \ $(AMD_CFLAGS) \ + $(M32_CFLAGS) \ -DHAVE_GX \ -DHAVE_LX \ -DOPT_ACCEL diff --git a/ztv/Makefile.am b/ztv/Makefile.am index 670842b..0bc133e 100644 --- a/ztv/Makefile.am +++ b/ztv/Makefile.am @@ -1,7 +1,7 @@ if BUILD_ZTV -AM_CFLAGS = $(XORG_CFLAGS) $(CWARNFLAGS) +AM_CFLAGS = $(XORG_CFLAGS) $(CWARNFLAGS) $(M32_CFLAGS) ztv_drv_la_LTLIBRARIES = ztv_drv.la ztv_drv_la_LDFLAGS = -module -avoid-version |