node-serialport: fix i386 build fail

more stability for parallel build

Signed-off-by: Hirokazu MORIKAWA <morikw2@gmail.com>

lang/node-serialport/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NPM_NAME:=serialport
 PKG_NAME:=node-$(PKG_NPM_NAME)
 PKG_VERSION:=7.1.4
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NPM_NAME)-$(PKG_VERSION).tgz
 PKG_SOURCE_URL:=https://registry.npmjs.org/$(PKG_NPM_NAME)/-/
@@ -42,6 +42,9 @@ TAR_OPTIONS+= --strip-components 1
 TAR_CMD=$(HOST_TAR) -C $(1) $(TAR_OPTIONS)
 
 NODEJS_CPU:=$(subst powerpc,ppc,$(subst aarch64,arm64,$(subst x86_64,x64,$(subst i386,ia32,$(ARCH)))))
+TMPNPM:=$(shell mktemp -u XXXXXXXXXX)
+
+TARGET_CFLAGS+=$(FPIC)
 
 define Build/Compile
 	$(MAKE_VARS) \
@@ -51,11 +54,11 @@ define Build/Compile
 	npm_config_build_from_source=true \
 	npm_config_nodedir=$(STAGING_DIR)/usr/ \
 	npm_config_prefix=$(PKG_INSTALL_DIR)/usr/ \
-	npm_config_cache=$(TMP_DIR)/npm-cache \
-	npm_config_tmp=$(TMP_DIR)/npm-tmp \
+	npm_config_cache=$(TMP_DIR)/npm-cache-$(TMPNPM) \
+	npm_config_tmp=$(TMP_DIR)/npm-tmp-$(TMPNPM) \
 	npm install -g --build-from-source $(PKG_BUILD_DIR)
-	rm -rf $(TMP_DIR)/npm-tmp
-	rm -rf $(TMP_DIR)/npm-cache
+	rm -rf $(TMP_DIR)/npm-tmp-$(TMPNPM)
+	rm -rf $(TMP_DIR)/npm-cache-$(TMPNPM)
 endef
 
 define Package/node-serialport/install