From 089d5af1817ad1d30c79525330befc0993ce057b Mon Sep 17 00:00:00 2001
From: Achim Gsell <achim.gsell@psi.ch>
Date: Sun, 27 Apr 2014 10:45:45 +0200
Subject: [PATCH] em.cleanup_src() added, required for modules which must be
 build in the src directory

---
 lib/libem.bash        | 18 +++++++++++++++++-
 scripts/lua.build     |  6 +++++-
 scripts/mathlib.build |  2 +-
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/lib/libem.bash b/lib/libem.bash
index bccdf50..7466c00 100644
--- a/lib/libem.bash
+++ b/lib/libem.bash
@@ -1,3 +1,4 @@
+#!/bin/bash
 
 declare -rx SHLIBDIR=$( cd $(dirname "$BASH_SOURCE") && pwd )
 
@@ -138,10 +139,13 @@ declare -x  DOCDIR=''
 declare -x  EM_FAMILY=''
 declare -x  EM_MODULENAME=''
 
+declare -x  CONFIG_DIR="${EM_BASEDIR}/config"
+declare -x  SCRIPTDIR="${EM_BASEDIR}/scripts"
 declare -x  EM_TMPDIR="${EM_BASEDIR}/tmp"
+
+# these directories are module dependend
 declare -x  EM_SRCDIR=''
 declare -x  EM_BUILDDIR=''
-declare -x  CONFIG_DIR="${EM_BASEDIR}/config"
 
 declare -x  EM_BUILD_DEPENDENCIES
 
@@ -375,6 +379,18 @@ function _cleanup_build() {
     );
 }
 
+function em.cleanup_src() {
+    (
+	[[ -d /${EM_SRCDIR} ]] || return 0
+	cd "/${EM_SRCDIR}";
+	if [[ $(pwd) != / ]]; then
+		echo "Cleaning up $(pwd)"
+		rm -rf *
+	fi
+    );
+}
+
+
 function em.make_all() {
 	_set_env
 	if [[ ! -d "${PREFIX}" ]] || [[ ${FORCE_REBUILD} ]]; then
diff --git a/scripts/lua.build b/scripts/lua.build
index 0109bff..00dcea8 100755
--- a/scripts/lua.build
+++ b/scripts/lua.build
@@ -1,4 +1,7 @@
 #!/bin/bash
+#
+# Lua cannot be build in a seperate directory!
+#
 
 source "$(dirname $0)/../lib/libem.bash"
 
@@ -12,9 +15,10 @@ function em.configure() {
 function em.build() {
         cd "${EM_SRCDIR}"
 
-	make
+	make -j ${JOBS}
 }
 
 em.add_to_family "core"
 em.set_build_dependencies "${COMPILER}"
 em.make_all
+em.cleanup_src
diff --git a/scripts/mathlib.build b/scripts/mathlib.build
index 5ad2f8d..c1e7403 100755
--- a/scripts/mathlib.build
+++ b/scripts/mathlib.build
@@ -51,4 +51,4 @@ em.add_to_family "compiler"
 em.set_runtime_dependencies "${COMPILER}"
 em.set_build_dependencies "${COMPILER}"
 em.make_all
-
+em.cleanup_src