Add support for a --with-munge configure parameter.

auxdir/x_ac_munge.m4

+##*****************************************************************************
+## $Id$
+##*****************************************************************************
+#  AUTHOR:
+#    Chris Dunlap <cdunlap@llnl.gov> (originally for OpenSSL)
+#    Modified for munge by Christopher Morrone <morrone2@llnl.gov>
+#
+#  SYNOPSIS:
+#    X_AC_MUNGE()
+#
+#  DESCRIPTION:
+#    Check the usual suspects for an munge installation,
+#    updating CPPFLAGS and LDFLAGS as necessary.
+#
+#  WARNINGS:
+#    This macro must be placed after AC_PROG_CC and before AC_PROG_LIBTOOL.
+##*****************************************************************************
+
+AC_DEFUN([X_AC_MUNGE], [
+
+  _x_ac_munge_dirs="/usr /usr/local /opt/freeware /opt/munge"
+
+  AC_ARG_WITH(
+    [munge],
+    AC_HELP_STRING(
+      [--with-munge=PATH],
+      [Specify path to munge installation]),
+    [_x_ac_munge_dirs="$withval $_x_ac_munge_dirs"])
+
+  AC_CACHE_CHECK(
+    [for munge installation],
+    [x_ac_cv_munge_dir],
+    [
+      for d in $_x_ac_munge_dirs; do
+        test -d "$d" || continue
+        test -d "$d/include" || continue
+        test -f "$d/include/munge.h" || continue
+        test -d "$d/lib" || continue
+        _x_ac_munge_libs_save="$LIBS"
+        LIBS="-L$d/lib -lmunge $LIBS"
+        AC_LINK_IFELSE(
+          AC_LANG_CALL([], munge_encode),
+          AS_VAR_SET(x_ac_cv_munge_dir, $d))
+        LIBS="$_x_ac_munge_libs_save"
+        test -n "$x_ac_cv_munge_dir" && break
+      done
+    ])
+
+  if test -z "$x_ac_cv_munge_dir"; then
+    AC_MSG_WARN([unable to locate munge installation])
+  else
+    MUNGE_LIBS="-lmunge"
+    AC_SUBST(MUNGE_LIBS)
+    AM_CONDITIONAL(WITH_MUNGE, true)
+    if test "$x_ac_cv_munge_dir" != "/usr"; then
+      CPPFLAGS="$CPPFLAGS -I$x_ac_cv_munge_dir/include"
+      LDFLAGS="$LDFLAGS -L$x_ac_cv_munge_dir/lib"
+    fi
+  fi
+])

configure.ac

@@ -153,12 +153,7 @@ X_AC_SLURM_WITH_SSL
 dnl
 dnl Check for compilation of SLURM auth modules:
 dnl
-AC_CHECK_LIB(munge, munge_encode, [have_munge=yes], [have_munge=no])
-if test "$have_munge" = "yes"; then
-  MUNGE_LIBS="-lmunge"
-  AC_SUBST(MUNGE_LIBS)
-fi
-AM_CONDITIONAL(WITH_MUNGE, test "x$have_munge" = "xyes")
+X_AC_MUNGE
 
 AUTHD_LIBS="-lauth -le"
 savedLIBS="$LIBS"