;;m4_define([catacomb_seen_$3/$$2], [t])])])
catacomb_CPU_FAMILIES([_def])
nil) ;;
- *) AC_MSG_ERROR([BUG: unexpected $1 \`$1']) ;;
+ *) AC_MSG_ERROR([BUG: unexpected $1 \`$$1']) ;;
esac])
dnl Now that's out the way, we can explain what we're doing.
*) AC_MSG_RESULT([$CPUFAM/$ABI]) ;;
esac
+dnl Consider enabling support for assembler-level debugging toys.
+AC_ARG_ENABLE([asm-debug],
+ AS_HELP_STRING([--enable-asm-debug],
+ [enable assembler debugging features]),
+ [mdw_asm_debug=$enableval], [mdw_asm_debug=no])
+case $CPUFAM in nil) mdw_asm_debug=no ;; esac
+case $mdw_asm_debug in
+ no) ;;
+ *) AC_DEFINE([ENABLE_ASM_DEBUG], [1],
+ [Define to enable assembler-level debugging.]) ;;
+esac
+AM_CONDITIONAL([ASM_DEBUG], [test x$mdw_asm_debug != xno])
+
+dnl Check for leading underscores on C symbols.
+LT_SYS_SYMBOL_USCORE
+case $sys_symbol_underscore in
+ yes) AC_DEFINE([SYM_USCORE], [1],
+ [Define if C symbols are prefixed with an underscore.]) ;;
+esac
+
dnl--------------------------------------------------------------------------
dnl CPU-specific assembler features.
AC_CHECK_HEADERS([linux/auxvec.h])
AC_CHECK_FUNCS([getauxval])
+dnl Some equipment for measuring CPU performance.
+AC_CHECK_HEADERS([linux/perf_event.h])
+
dnl Find the bit lengths of the obvious integer types. This will be useful
dnl when deciding on a representation for multiprecision integers.
type_bits="" type_bits_sep=""
AC_SUBST([CATACOMB_LIBS])
dnl Necessary support libraries.
-PKG_CHECK_MODULES([mLib], [mLib >= 2.2.2.1])
+PKG_CHECK_MODULES([mLib], [mLib >= 2.4.1])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"
dnl--------------------------------------------------------------------------