For PR747:
If we fail to find a required program, simply set that program to echo
out something that tells the user the situation. That is, instead of just
"true runtest" we now get "echo 'Skipped: runtest not found'".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27990 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index f152bc8..a753000 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -381,17 +381,17 @@
dnl are not found then they are set to "true" which always succeeds but does
dnl nothing. This just lets the build output show that we could have done
dnl something if the tool was available.
-AC_PATH_PROG(BZIP2,[bzip2],[true bzip2])
-AC_PATH_PROG(DOT,[dot],[true dot])
-AC_PATH_PROG(DOXYGEN,[doxygen],[true doxygen])
-AC_PATH_PROG(ETAGS,[etags],[true etags])
-AC_PATH_PROG(GROFF,[groff],[true groff])
-AC_PATH_PROG(GZIP,[gzip],[true gzip])
-AC_PATH_PROG(POD2HTML,[pod2html],[true pod2html])
-AC_PATH_PROG(POD2MAN,[pod2man],[true pod2man])
-AC_PATH_PROG(RUNTEST,[runtest],[true runtest])
+AC_PATH_PROG(BZIP2,[bzip2],[echo "Skipped: bzip2 not found"])
+AC_PATH_PROG(DOT,[dot],[echo "Skipped: dot not found"])
+AC_PATH_PROG(DOXYGEN,[doxygen],[echo "Skipped: doxygen not found"])
+AC_PATH_PROG(ETAGS,[etags],[echo "Skipped: etags not found"])
+AC_PATH_PROG(GROFF,[groff],[echo "Skipped: groff not found"])
+AC_PATH_PROG(GZIP,[gzip],[echo "Skipped: gzip not found"])
+AC_PATH_PROG(POD2HTML,[pod2html],[echo "Skipped: pod2html not found"])
+AC_PATH_PROG(POD2MAN,[pod2man],[echo "Skipped: pod2man not found"])
+AC_PATH_PROG(RUNTEST,[runtest],[echo "Skipped: runtest not found"])
DJ_AC_PATH_TCLSH
-AC_PATH_PROG(ZIP,[zip],[true zip])
+AC_PATH_PROG(ZIP,[zip],[echo "Skipped: zip not found"])
dnl Determine if the linker supports the -R option.
AC_LINK_USE_R