diff options
| -rw-r--r-- | configure.ac | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index 870c0567..0c216cea 100644 --- a/configure.ac +++ b/configure.ac @@ -45,8 +45,8 @@ AC_ARG_ENABLE(udev, AS_HELP_STRING([--enable-udev], AC_ARG_ENABLE(intel, AS_HELP_STRING([--disable-intel], - [Enable support for intel's KMS API (default: enabled)]), - [INTEL=$enableval], [INTEL=yes]) + [Enable support for intel's KMS API (default: auto)]), + [INTEL=$enableval], [INTEL=auto]) AC_ARG_ENABLE(nouveau-experimental-api, AS_HELP_STRING([--enable-nouveau-experimental-api], @@ -151,9 +151,7 @@ if test "x$HAVE_LIBUDEV" = xyes; then fi AM_CONDITIONAL(HAVE_LIBUDEV, [test "x$HAVE_LIBUDEV" = xyes]) -AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" = xyes]) - -if test "x$INTEL" = xyes; then +if test "x$INTEL" != "xno"; then # Check for atomic intrinsics AC_CACHE_CHECK([for native atomic primitives], drm_cv_atomic_primitives, [ @@ -170,8 +168,19 @@ if test "x$INTEL" = xyes; then AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1, [Enable if your compiler supports the Intel __sync_* atomic primitives]) fi + + if test "x$drm_cv_atomic_primitives" = "xnone"; then + if test "x$INTEL" != "xauto"; then + AC_MSG_ERROR([libdrm_intel depends upon atomic operations, which were not found for your compiler/cpu. Try compiling with -march=native, or disable support for Intel GPUs by passing --disable-intel to ./configue]) + else + INTEL=no + fi + fi fi +AM_CONDITIONAL(HAVE_INTEL, [test "x$INTEL" != "xno"]) + + AC_SUBST(WARN_CFLAGS) AC_OUTPUT([ Makefile |