configure.ac, base/dispatch.[ch]: CPU-specific implementations.

[catacomb] / configure.ac

diff --git a/configure.ac b/configure.ac
index 55678b3..516e3a0 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,7 @@ 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])
+AC_CANONICAL_HOST
 mdw_SILENT_RULES
 
 AC_PROG_CC
@@ -46,6 +47,26 @@ AC_PROG_YACC
 AC_SUBST(AM_CFLAGS)
 
 dnl--------------------------------------------------------------------------
+dnl Host-specific configuration.
+
+AC_DEFUN([catacomb_CPU_FAMILIES],
+  [$1([i[[3-6]]86], [X86])])
+
+case $host_cpu in
+  m4_define([catacomb_CPU_CASE],
+    [$1)
+      AC_DEFINE([CPUFAM_$2], [1], [Define if host CPU family is $2.])
+      cpufam=$2
+      ;;
+])
+  catacomb_CPU_FAMILIES([catacomb_CPU_CASE])
+  *) cpufam=nil ;;
+esac
+m4_define([catacomb_CPU_DEFS],
+  [AM_CONDITIONAL([CPUFAM_$2], [test x$cpufam = x$2])])
+catacomb_CPU_FAMILIES([catacomb_CPU_DEFS])
+
+dnl--------------------------------------------------------------------------
 dnl C programming environment.
 
 dnl Find out if we're cross-compiling.