AC_INIT([catacomb], AUTO_VERSION, [mdw@distorted.org.uk])
AC_CONFIG_SRCDIR([catacomb.pc.in])
AC_CONFIG_AUX_DIR([config])
-AM_INIT_AUTOMAKE([foreign parallel-tests])
+AM_INIT_AUTOMAKE([foreign parallel-tests color-tests subdir-objects])
+AC_CANONICAL_HOST
mdw_SILENT_RULES
AC_PROG_CC
AC_SUBST(AM_CFLAGS)
+dnl--------------------------------------------------------------------------
+dnl Host-specific configuration.
+
+AC_MSG_CHECKING([CPU family and ABI])
+
+dnl The table of CPU families and ABIs which we might support. Support is
+dnl not uniform: each dispatched function might or might not have an
+dnl implementation for any particular CPU/ABI combination.
+AC_DEFUN([catacomb_CPU_FAMILIES],
+ [$1([i[[3-6]]86,cygwin], [x86], [win])
+ $1([i[[3-6]]86,*], [x86], [sysv])
+ $1([x86_64,cygwin], [amd64], [win])
+ $1([x86_64,*], [amd64], [sysv])
+ $1([arm,*-gnueabi | arm,*-gnueabihf | dnl
+ armv*,*-gnueabi | armv*,*-gnueabihf], [armel], [gnueabi])])
+
+dnl A utility to clear the `seen' flags, used so as to process each CPU or
+dnl ABI once.
+m4_define([catacomb_CLEAR_FLAGS],
+[m4_ifdef([catacomb_seen_cpu/$2],
+ [m4_undefine([catacomb_seen_cpu/$2])])dnl
+m4_ifdef([catacomb_seen_abi/$3],
+ [m4_undefine([catacomb_seen_abi/$3])])])
+
+dnl Identify the current host.
+case $host_cpu,$host_os in
+ m4_define([catacomb_CPU_CASE],
+ [$1) CPUFAM=$2 ABI=$3 ;;
+])
+ catacomb_CPU_FAMILIES([catacomb_CPU_CASE])
+ *) CPUFAM=nil ABI=nil ;;
+esac
+
+dnl Figure out the current CPU.
+catacomb_CPU_FAMILIES([catacomb_CLEAR_FLAGS])
+case $CPUFAM in
+ m4_define([catacomb_DEFINE_CPU],
+ [m4_ifdef([catacomb_seen_cpu/$2], [],
+ [$2)
+ AC_DEFINE([CPUFAM_]m4_translit([$2], [a-z], [A-Z]), [1],
+ [Define if host CPU family is \`$2\'.])
+ ;;m4_define([catacomb_seen_cpu/$2], [t])])])
+ catacomb_CPU_FAMILIES([catacomb_DEFINE_CPU])
+ nil) ;;
+ *) AC_MSG_ERROR([BUG: unexpected cpufam \`$CPUFAM']) ;;
+esac
+AC_SUBST([CPUFAM])
+
+dnl Figure out the current ABI.
+catacomb_CPU_FAMILIES([catacomb_CLEAR_FLAGS])
+case $ABI in
+ m4_define([catacomb_DEFINE_ABI],
+ [m4_ifdef([catacomb_seen_abi/$3], [],
+ [$3)
+ AC_DEFINE([ABI_]m4_translit([$3], [a-z], [A-Z]), [1],
+ [Define if host ABI variant is \`$3\'.])
+ ;;m4_define([catacomb_seen_abi/$3], [t])])])
+ catacomb_CPU_FAMILIES([catacomb_DEFINE_ABI])
+ nil) ;;
+ *) AC_MSG_ERROR([BUG: unexpected ABI \`$ABI']) ;;
+esac
+AC_SUBST([ABI])
+
+dnl Establish Automake conditions for things.
+catacomb_CPU_FAMILIES([catacomb_CLEAR_FLAGS])
+m4_define([catacomb_COND_CPU],
+[m4_define([_CPU], m4_translit([$2], [a-z], [A-Z]))
+m4_define([_ABI], m4_translit([$3], [a-z], [A-Z]))
+AM_CONDITIONAL([CPUABI_]_CPU[_]_ABI, [test x$CPUFAM/$ABI = x$2/$3])
+m4_ifdef([catacomb_seen_cpu/$2], [],
+[AM_CONDITIONAL([CPUFAM_]_CPU, [test x$CPUFAM = x$2])dnl
+m4_define([catacomb_seen_cpu/$2], [t])])
+m4_ifdef([catacomb_seen_abi/$3], [],
+[AM_CONDITIONAL([ABI_]_ABI, [test x$ABI = x$3])dnl
+m4_define([catacomb_seen_abi/$3], [t])])])
+catacomb_CPU_FAMILIES([catacomb_COND_CPU])
+AM_CONDITIONAL([KNOWN_CPUFAM], [test x$CPUFAM != xnil])
+
+dnl Report on what we found.
+case $CPUFAM in
+ nil) AC_MSG_RESULT([not supported]) ;;
+ *) AC_MSG_RESULT([$CPUFAM/$ABI]) ;;
+esac
+
+dnl Some equipment wanted for checking CPU features at runtime.
+AC_CHECK_HEADERS([asm/hwcap.h])
+AC_CHECK_HEADERS([sys/auxv.h])
+AC_CHECK_HEADERS([linux/auxvec.h])
+AC_CHECK_FUNCS([getauxval])
+
dnl--------------------------------------------------------------------------
dnl C programming environment.
+CATACOMB_LIBS=
+
dnl Find out if we're cross-compiling.
AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes])
dnl Functions used for noise-gathering.
AC_CHECK_FUNCS([setgroups])
+AC_CHECK_HEADERS([linux/random.h])
+mdw_ORIG_LIBS=$LIBS LIBS=$CATACOMB_LIBS
+AC_SEARCH_LIBS([clock_gettime], [rt])
+CATACOMB_LIBS=$LIBS LIBS=$mdw_ORIG_LIBS
+if test "$ac_cv_search_clock_gettime" != no; then
+ AC_DEFINE([HAVE_CLOCK_GETTIME], [1],
+ [Define if you have the \`clock_gettime' function.])
+fi
+AC_CHECK_FUNCS([getentropy])
AC_CACHE_CHECK([whether the freewheel noise generator will work],
[catacomb_cv_freewheel],
[AC_TRY_LINK(
dnl Memory locking support.
AC_CHECK_FUNCS([mlock])
+dnl Set the master libraries we need.
+AC_SUBST([CATACOMB_LIBS])
+
dnl Necessary support libraries.
-PKG_CHECK_MODULES([mLib], [mLib >= 2.2.1])
+PKG_CHECK_MODULES([mLib], [mLib >= 2.2.2.1])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"
dnl--------------------------------------------------------------------------