Merge pull request #8815 from aabadie/pr/pkg/cleanup_makefile

pkg*: replace curly braces by parenthesis in makefiles

pkg/ccn-lite/Makefile

@@ -5,10 +5,10 @@ PKG_LICENSE=ISC
 
 .PHONY: all
 
-export RIOT_CFLAGS = ${CFLAGS} ${INCLUDES}
+export RIOT_CFLAGS = $(CFLAGS) $(INCLUDES)
 
 all: git-download
-	cd $(PKG_BUILDDIR)/src && cmake -DCCNL_RIOT=1 -DRIOT_CFLAGS="${RIOT_CFLAGS}" -DBUILD_TESTING=OFF . && make
-	cp $(PKG_BUILDDIR)/src/lib/libccnl-riot.a ${BINDIR}/ccn-lite.a
+	cd $(PKG_BUILDDIR)/src && cmake -DCCNL_RIOT=1 -DRIOT_CFLAGS="$(RIOT_CFLAGS)" -DBUILD_TESTING=OFF . && make
+	cp $(PKG_BUILDDIR)/src/lib/libccnl-riot.a $(BINDIR)/ccn-lite.a
 
 include $(RIOTBASE)/pkg/pkg.mk

pkg/minmea/Makefile

@@ -6,7 +6,7 @@ PKG_LICENSE=WTFPL
 .PHONY: all
 
 all: git-download
-	@cp Makefile.${PKG_NAME} $(PKG_BUILDDIR)/Makefile
+	@cp Makefile.$(PKG_NAME) $(PKG_BUILDDIR)/Makefile
 	"$(MAKE)" -C $(PKG_BUILDDIR)
 
 include $(RIOTBASE)/pkg/pkg.mk

pkg/openthread/Makefile

@@ -6,7 +6,7 @@ PKG_BUILDDIR ?= $(BINDIRBASE)/pkg/$(BOARD)/$(PKG_NAME)
 $(info Compile OpenThread for FTD device)
 OPENTHREAD_ARGS+= --enable-cli-app=ftd --enable-application-coap
 
-$(info $$OPENTHREAD_ARGS is [${OPENTHREAD_ARGS}])
+$(info $$OPENTHREAD_ARGS is [$(OPENTHREAD_ARGS)])
 
 .PHONY: all
 
@@ -24,12 +24,12 @@ all: git-download
 		LDFLAGS="$(OPENTHREAD_COMMON_FLAGS) $(CFLAGS_CPU) -nostartfiles -specs=nano.specs \
 		-specs=nosys.specs -Wl,--gc-sections -Wl,-Map=map.map " \
 		./configure --disable-docs --host=$(TARGET_ARCH) --target=$(TARGET_ARCH) \
-		--prefix=/ --enable-default-logging ${OPENTHREAD_ARGS}
+		--prefix=/ --enable-default-logging $(OPENTHREAD_ARGS)
 	cd $(PKG_BUILDDIR) &&  DESTDIR=$(PKG_BUILDDIR)/output PREFIX=/ make -j4 --no-print-directory install
 
-	cp $(PKG_BUILDDIR)/output/lib/libmbedcrypto.a ${BINDIR}/libmbedcrypto.a
-	cp $(PKG_BUILDDIR)/output/lib/libopenthread-ftd.a ${BINDIR}/libopenthread.a
-	cp $(PKG_BUILDDIR)/output/lib/libopenthread-cli-ftd.a ${BINDIR}/libopenthread-cli.a
+	cp $(PKG_BUILDDIR)/output/lib/libmbedcrypto.a $(BINDIR)/libmbedcrypto.a
+	cp $(PKG_BUILDDIR)/output/lib/libopenthread-ftd.a $(BINDIR)/libopenthread.a
+	cp $(PKG_BUILDDIR)/output/lib/libopenthread-cli-ftd.a $(BINDIR)/libopenthread-cli.a
 	sed -ie 's/BASE/_BASE/g' $(PKG_BUILDDIR)/output/include/openthread/types.h
 
 include $(RIOTBASE)/pkg/pkg.mk