X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=aclocal.m4;h=48d0b77b748d6dd9b3462eb79bfbc20293c53792;hb=c05019d37b7d5d973965f1fbac6bd88603a64d04;hp=7ed315124636ee063be84135d3c159e822781b61;hpb=e8d5061834a5a658c5ffd078237e9cd660069a7d;p=lilypond.git

diff --git a/aclocal.m4 b/aclocal.m4
index 7ed3151246..48d0b77b74 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -173,6 +173,7 @@ AC_DEFUN(STEPMAKE_COMPILE_BEFORE, [
     CXXFLAGS=${CXXFLAGS-$CFLAGS}
     LDFLAGS=${LDFLAGS-""}
     optimise_b=yes
+    checks_b=no
     profile_b=no
     debug_b=yes
     pipe_b=yes
@@ -182,6 +183,11 @@ AC_DEFUN(STEPMAKE_COMPILE_BEFORE, [
                     [compile with debugging info.  Default: on])],
     [debug_b=$enableval])
 
+    AC_ARG_ENABLE(checking,
+    [AS_HELP_STRING([--enable-checking],
+                    [compile with expensive run-time checks.  Default: off])],
+    [checks_b=$enableval])
+
     AC_ARG_ENABLE(optimising,
     [AS_HELP_STRING([--enable-optimising],
                     [compile with optimising.  Default: on])],
@@ -198,9 +204,17 @@ AC_DEFUN(STEPMAKE_COMPILE_BEFORE, [
     [pipe_b=$enableval])
 
     if test "$optimise_b" = yes; then
-	AC_DEFINE(NDEBUG)
-	DEFINES="$DEFINES -DNDEBUG"
 	OPTIMIZE=" -O2 -finline-functions"
+	# following two lines are compatibility while Patchy has not
+	# yet learnt about --enable-checking.  But once it has, we
+	# don't want -DDEBUG twice, so we omit it here if it is going
+	# to get added anyway later.
+    elif test "$checks_b" != yes; then
+	DEFINES="$DEFINES -DDEBUG"
+    fi
+
+    if test "$checks_b" = yes; then
+	DEFINES="$DEFINES -DDEBUG"
     fi
 
     if test $profile_b = yes; then