# Check for compiler support of 128 bit integers
AC_CHECK_TYPES([__int128_t, __uint128_t], [], [], [])
-# Linker flag to retain the objects of a static lib that are not referenced
-AX_CHECK_LINK_FLAG([-Wl,--whole-archive -Wl,--no-whole-archive],
- [SR_LINK_BEFORE_LIB=-Wl,--whole-archive
- SR_LINK_AFTER_LIB=-Wl,--no-whole-archive], [
-AX_CHECK_LINK_FLAG([-Wl,-force_load],
- [SR_LINK_BEFORE_LIB=-Wl,-force_load
- SR_LINK_AFTER_LIB=],
- [SR_LINK_BEFORE_LIB=
- SR_LINK_AFTER_LIB=])])
-AC_SUBST(SR_LINK_BEFORE_LIB)
-AC_SUBST(SR_LINK_AFTER_LIB)
-
########################
## Hardware drivers ##
########################
sr_driver_summary_append "$2" "$sr_hw_info"
AM_CONDITIONAL([$3], [test "x[$]$3" = xyes])
- AM_COND_IF([$3], [AC_DEFINE([HAVE_$3], [1], [Whether to support $1 device.])])
+ AM_COND_IF([$3], [AC_DEFINE([HAVE_$3], [1], [Whether to support $1 device.]) AC_DEFINE([HAVE_DRIVERS], [1], [Whether at least one driver is enabled.])])
])
## SR_DRIVER(Device name, driver-name, [dependencies...])