$1([i[[3-6]]86,*], [x86], [sysv])
$1([x86_64,cygwin], [amd64], [win])
$1([x86_64,*], [amd64], [sysv])
- $1([arm,* | armv*,*], [armel], [std])])
+ $1([arm,* | armv*,*], [armel], [std])
+ $1([aarch64,*], [arm64], [std])])
dnl A utility to clear the `seen' flags, used so as to process each CPU or
dnl ABI once.
m4_define([catacomb_seen_abi/$3], [t])])])
catacomb_CPU_FAMILIES([catacomb_COND_CPU])
AM_CONDITIONAL([KNOWN_CPUFAM], [test x$CPUFAM != xnil])
+AM_CONDITIONAL([ASM_DEBUG], [test x$mdw_asm_debug != xno])
dnl Report on what we found.
case $CPUFAM in
*) AC_MSG_RESULT([$CPUFAM/$ABI]) ;;
esac
+AC_ARG_ENABLE([asm-debug],
+ AS_HELP_STRING([--enable-asm-debug],
+ [enable assembler debugging features]),
+ [mdw_asm_debug=$enableval], [mdw_asm_debug=no])
+case $CPUFAM in nil) mdw_asm_debug=no ;; esac
+case mdw_asm_debug in
+ no) ;;
+ *) AC_DEFINE([ENABLE_ASM_DEBUG], [1],
+ [Define to enable assembler-level debugging.]) ;;
+esac
+
dnl--------------------------------------------------------------------------
dnl CPU-specific assembler features.
AC_CHECK_HEADERS([linux/auxvec.h])
AC_CHECK_FUNCS([getauxval])
+dnl Some equipment for measuring CPU performance.
+AC_CHECK_HEADERS([linux/perf_event.h])
+
dnl Find the bit lengths of the obvious integer types. This will be useful
dnl when deciding on a representation for multiprecision integers.
type_bits="" type_bits_sep=""
AC_SUBST([CATACOMB_LIBS])
dnl Necessary support libraries.
-PKG_CHECK_MODULES([mLib], [mLib >= 2.2.2.1])
+PKG_CHECK_MODULES([mLib], [mLib >= 2.3.0])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"
dnl--------------------------------------------------------------------------