X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/763d5e6ad88ef3ba1cd1d7742d060e4f1e54c6b8..031f8feb8a0ce8c536e5121f51634ec0565ed403:/acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index 2c008a9..96670f7 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -95,10 +95,22 @@ AC_DEFUN([RJK_REQUIRE_PCRE_UTF8],[
                   ])],
                   [rjk_cv_pcre_utf8=yes],
                   [rjk_cv_pcre_utf8=no],
-                  [AC_MSG_ERROR([cross-compiling, cannot check libpcre behaviour])])
+                  [AC_MSG_WARN([cross-compiling, cannot check libpcre behaviour])])
     LIBS="$save_LIBS"
   ])
   if test $rjk_cv_pcre_utf8 = no; then
     AC_MSG_ERROR([please rebuild your pcre library with --enable-utf8])
   fi
 ])
+
+AC_DEFUN([RJK_GCOV],[
+  GCOV=${GCOV:-true}
+  AC_ARG_WITH([gcov],
+              [AS_HELP_STRING([--with-gcov],
+                              [Enable coverage testing])],
+              [if test $withval = yes; then
+                 CFLAGS="${CFLAGS} -O0 -fprofile-arcs -ftest-coverage"
+                 GCOV=`echo $CC | sed s'/gcc/gcov/;s/ .*$//'`;
+               fi])
+  AC_SUBST([GCOV],[$GCOV])
+])