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
AM_PROG_LIBTOOL
mdw_LIBTOOL_VERSION_INFO
+AM_PROG_AS
+
AC_PROG_YACC
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([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/$ABI]) ;;
+esac
+
+dnl Some equipment wanted for checking CPU features at runtime.
+AC_CHECK_HEADERS([asm/hwcap.h])
+AC_CHECK_HEADERS([sys/auxv.h])
+AC_CHECK_HEADERS([linux/auxvec.h])
+AC_CHECK_FUNCS([getauxval])
+
+dnl--------------------------------------------------------------------------
dnl C programming environment.
dnl Find out if we're cross-compiling.
AC_CHECK_TYPE([pid_t], [int])
AC_TYPE_UID_T
AC_CHECK_TYPE([ssize_t], [int])
+AC_CHECK_TYPE([socklen_t], [int])
dnl The maths library.
-mdw_ORIG_LIBS=$LIBS
+mdw_ORIG_LIBS=$LIBS LIBS=
AC_SEARCH_LIBS([log], [m])
AC_SEARCH_LIBS([sqrt], [m])
-AC_SUBST([CATACOMB_LIBS], [$LIBS])
+AC_SUBST([MATHLIBS], [$LIBS])
LIBS=$mdw_ORIG_LIBS
+dnl Find out whether very long integer types are available.
+AC_CHECK_HEADERS([stdint.h])
+AC_SUBST([have_stdint_h])
+AC_C_LONG_LONG
+
+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_DEFUN([catacomb_UINT_BITS],
+ [mdw_UINT_BITS([$2], [$1])
+ type_bits="$type_bits$type_bits_sep('$1', $[]$1_bits)"
+ type_bits_sep=", "])
+catacomb_UINT_BITS([uchar], [unsigned char])
+catacomb_UINT_BITS([ushort], [unsigned short])
+catacomb_UINT_BITS([uint], [unsigned int])
+catacomb_UINT_BITS([ulong], [unsigned long])
+if test "$ac_cv_c_long_long" = "yes"; then
+ catacomb_UINT_BITS([ullong], [unsigned long long])
+fi
+if test "$ac_cv_header_stdint_h" = "yes"; then
+ catacomb_UINT_BITS([uintmax], [uintmax_t])
+fi
+AC_SUBST([type_bits])
+
+dnl Determine the limits of common C integer types.
+limits="" limits_sep=""
+AC_DEFUN([catacomb_COMPILE_TIME_CONSTANT],
+ [case "$2" in
+ =*)
+ $1="$2"; $1=${$1#=}
+ ;;
+ *)
+ AC_CACHE_CHECK([compile-time value of $2], [mdw_cv_constant_$3],
+ [mdw_PROBE_CONSTANT([mdw_cv_constant_$3], [$2], [$4])])
+ $1=$mdw_cv_constant_$3
+ ;;
+ esac])
+AC_DEFUN([catacomb_LIMIT],
+[catacomb_COMPILE_TIME_CONSTANT([lo], [$2], [$1_min],
+[#include <limits.h>
+#include <stddef.h>])
+ catacomb_COMPILE_TIME_CONSTANT([hi], [$3], [$1_max],
+[#include <limits.h>
+#include <stddef.h>])
+ limits="$limits$limits_sep('$1', $lo, $hi)" limits_sep=", "])
+catacomb_LIMIT([SCHAR], [SCHAR_MIN], [SCHAR_MAX])
+catacomb_LIMIT([CHAR], [CHAR_MIN], [CHAR_MAX])
+catacomb_LIMIT([UCHAR], [=0], [UCHAR_MAX])
+catacomb_LIMIT([UINT8], [=0], [=0xff])
+catacomb_LIMIT([SHRT], [SHRT_MIN], [SHRT_MAX])
+catacomb_LIMIT([USHRT], [=0], [USHRT_MAX])
+catacomb_LIMIT([UINT16], [=0], [=0xffff])
+catacomb_LIMIT([INT], [INT_MIN], [INT_MAX])
+catacomb_LIMIT([UINT], [=0], [UINT_MAX])
+catacomb_LIMIT([LONG], [LONG_MIN], [LONG_MAX])
+catacomb_LIMIT([ULONG], [=0], [ULONG_MAX])
+catacomb_LIMIT([UINT32], [=0], [=0xffffffff])
+if test "$ac_cv_c_long_long" = "yes"; then
+ catacomb_LIMIT([LLONG], [LLONG_MIN], [LLONG_MAX])
+ catacomb_LIMIT([ULLONG], [=0], [ULLONG_MAX])
+fi
+catacomb_LIMIT([SIZET], [=0], [~(size_t)0])
+AC_SUBST([limits])
+
dnl Functions used for noise-gathering.
AC_CHECK_FUNCS([setgroups])
AC_CACHE_CHECK([whether the freewheel noise generator will work],
[struct itimerval itv = { { 0, 0 }, { 0, 5000 } };
jmp_buf j;
setitimer(ITIMER_REAL, &itv, 0);
-sigsetjump(j, 1);],
+sigsetjmp(j, 1);],
[catacomb_cv_freewheel=yes],
[catacomb_cv_freewheel=no])])
case $catacomb_cv_freewheel in
AC_CHECK_FUNCS([mlock])
dnl Necessary support libraries.
-PKG_CHECK_MODULES([mLib], [mLib >= 2.0.4])
+PKG_CHECK_MODULES([mLib], [mLib >= 2.2.2.1])
AM_CFLAGS="$AM_CFLAGS $mLib_CFLAGS"
dnl--------------------------------------------------------------------------
~mdw / catacomb / blobdiff