From: Gustavo Zacarias <gustavo@zacarias.com.ar>
Date: Wed, 28 May 2014 20:12:39 +0000 (-0300)
Subject: ncurses: enable parallel build
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8398016e946f83ef7704c4ca1bc6f690a218a549;p=buildroot.git

ncurses: enable parallel build

Using a trick taken from gentoo enable parallel build when building for
the target to reduce the build time for my test case from about 54s to
32s on a dual-core laptop.

[Peter: add comment explaining why]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---

diff --git a/package/ncurses/ncurses.mk b/package/ncurses/ncurses.mk
index 9805113802..4bba8f1b3b 100644
--- a/package/ncurses/ncurses.mk
+++ b/package/ncurses/ncurses.mk
@@ -45,8 +45,12 @@ ifneq ($(BR2_ENABLE_DEBUG),y)
 NCURSES_CONF_OPT += --without-debug
 endif
 
+# ncurses breaks with parallel build, but takes quite a while to
+# build single threaded. Work around it similar to how Gentoo does
 define NCURSES_BUILD_CMDS
-	$(MAKE1) -C $(@D) DESTDIR=$(STAGING_DIR)
+	$(MAKE1) -C $(@D) DESTDIR=$(STAGING_DIR) sources
+	rm -rf $(@D)/misc/pc-files
+	$(MAKE) -C $(@D) DESTDIR=$(STAGING_DIR)
 endef
 
 ifneq ($(BR2_PREFER_STATIC_LIB),y)