From e4d6730fca6bf3c54ae2eebe6081461119ad412d Mon Sep 17 00:00:00 2001
From: Stephan Witt <switt@lyx.org>
Date: Tue, 22 Jan 2013 16:13:57 +0100
Subject: [PATCH] dynamic cpu count detection and parallel make configuration

---
 development/LyX-Mac-binary-release.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/development/LyX-Mac-binary-release.sh b/development/LyX-Mac-binary-release.sh
index 0468dbe654..8b66c7ce53 100644
--- a/development/LyX-Mac-binary-release.sh
+++ b/development/LyX-Mac-binary-release.sh
@@ -603,7 +603,12 @@ build_lyx() {
 			${QtInstallDir:+"--with-qt4-dir=${QtInstallDir}"} \
 			${LyXConfigureOptions}\
 			--enable-build-type=rel && \
-		make -j2 && make install${strip}
+		NCPU=$(sysctl -n hw.ncpu)
+		NCPU=$((NCPU / 2))
+		if [ $NCPU -gt 1 ]; then
+			NUMJOBS=-j${NCPU}
+		fi
+		make ${NUMJOBS} && make install${strip}
 		for file in ${LYX_FILE_LIST} ; do
 			if [ -f "${LYX_BUNDLE_PATH}/${file}" ]; then
 				mv "${LYX_BUNDLE_PATH}/${file}"\