--- configure.in.orig	2006-08-16 02:57:18.000000000 +0200
+++ configure.in	2006-08-16 02:57:45.000000000 +0200
@@ -27,6 +27,54 @@
 AM_PROG_CC_C_O
 AC_CANONICAL_HOST
 
+AC_PATH_PROG(CCACHE,ccache,none)
+AC_ARG_ENABLE(ccache,
+[  --enable-ccache         Enable and use ccache - useful for developers],
+[
+  case "$enableval" in
+  'yes')
+     if test "$ac_cv_path_CCACHE" = "none"; then
+        AC_MSG_NOTICE(ccache not found. Falling back to default CC)
+     else
+	CC="$ac_cv_path_CCACHE $CC"
+	GCC="$ac_cv_path_CCACHE $GCC"
+	CXX="$ac_cv_path_CCACHE $CXX"
+	GXX="$ac_cv_path_CCACHE $GXX"
+	AC_MSG_NOTICE(enabling ccache)
+	cv_squid_using_ccache="yes"
+     fi
+     ;;
+  *)
+  esac
+])
+
+AC_PATH_PROG(DISTCC,distcc,none)
+AC_ARG_ENABLE(distcc,
+[  --enable-distcc         Enable and use distcc],
+[
+  case "$enableval" in
+  'yes')
+     if test "$ac_cv_path_DISTCC" = "none"; then
+        AC_MSG_NOTICE(distcc not found. Falling back to default CC)
+     else
+        if test "$cv_squid_using_ccache" = "yes"; then
+	   CCACHE_PREFIX="$ac_cv_path_DISTCC"
+	   AC_MSG_NOTICE(enabling joint ccache+distcc usage)
+	   unset ac_cv_prog_ac_ct_CC ac_ct_CC ac_cv_prog_CC
+	   unset ac_cv_c_compiler_gnu
+	else
+	   CC="$ac_cv_path_DISTCC $CC"
+	   GCC="$ac_cv_path_DISTCC $GCC"
+	   CXX="$ac_cv_path_DISTCC $CXX"
+	   GXX="$ac_cv_path_DISTCC $GXX"
+	   AC_MSG_NOTICE(enabling distcc)
+	fi
+     fi
+     ;;
+  *)
+  esac
+])
+unset cv_squid_using_ccache
 
 CRYPTLIB=''
 REGEXLIB=''	# -lregex