X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/1a03119625f23b0f6fa3f6a2044343d325f6c7f6..4bc8424a9fde81305a5bcd04708492f3a067b438:/configure.ac

diff --git a/configure.ac b/configure.ac
index db098dc1..042c7c32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -158,6 +158,17 @@ catacomb_DEFINE_CPU_OR_ABI([CPUFAM], [2], [cpu],
 catacomb_DEFINE_CPU_OR_ABI([ABI], [3], [abi],
   [ABI_], [Define if target ABI is \`$][3\'.])
 
+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 Establish Automake conditions for things.
 catacomb_CPU_FAMILIES([catacomb_CLEAR_FLAGS])
 m4_define([catacomb_COND_CPU],
@@ -172,6 +183,7 @@ m4_ifdef([catacomb_seen_abi/$3], [],
 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