Fix missing quotes in makefile

ci_common/common.hocon

@@ -44,7 +44,7 @@ logfiles : [
 pkgEnvironment: {
   environment : {
     PKG_INCLUDE_FLAGS_OVERRIDE : """-I/cm/shared/apps/zlib/1.2.8/include -I/cm/shared/apps/bzip2/1.0.6/include -I/cm/shared/apps/xz/5.2.2/include -I/cm/shared/apps/pcre/8.38/include -I/cm/shared/apps/curl/7.50.1/include"""
-    PKG_LDFLAGS_OVERRIDE : """"-L/cm/shared/apps/zlib/1.2.8/lib -L/cm/shared/apps/bzip2/1.0.6/lib -L/cm/shared/apps/xz/5.2.2/lib -L/cm/shared/apps/pcre/8.38/lib -L/cm/shared/apps/curl/7.50.1/lib -L/cm/shared/apps/gcc/4.9.1/lib64""""
+    PKG_LDFLAGS_OVERRIDE : """-L/cm/shared/apps/zlib/1.2.8/lib -L/cm/shared/apps/bzip2/1.0.6/lib -L/cm/shared/apps/xz/5.2.2/lib -L/cm/shared/apps/pcre/8.38/lib -L/cm/shared/apps/curl/7.50.1/lib -L/cm/shared/apps/gcc/4.9.1/lib64"""
 	TZDIR: "/usr/share/zoneinfo"
   }
 }
@@ -110,7 +110,7 @@ darwinEnvironment : {
     F77: "/usr/local/bin/gfortran-4.9"
     TZDIR: "/usr/share/zoneinfo"
 	  PKG_INCLUDE_FLAGS_OVERRIDE : """-I/cm/shared/apps/pcre/8.38/include -I/cm/shared/apps/bzip2/1.0.6/include -I/cm/shared/apps/xz/5.2.2/include -I/cm/shared/apps/curl/7.50.1/include"""
-    PKG_LDFLAGS_OVERRIDE : """" -L/cm/shared/apps/bzip2/1.0.6/lib -L/cm/shared/apps/xz/5.2.2/lib -L/cm/shared/apps/pcre/8.38/lib -L/cm/shared/apps/curl/7.50.1/lib -L/cm/shared/apps/gcc/4.9.1/lib64 -L/usr/local/Cellar/gcc@4.9/4.9.4/lib/gcc/4.9/ -L/usr/lib""""
+    PKG_LDFLAGS_OVERRIDE : """-L/cm/shared/apps/bzip2/1.0.6/lib -L/cm/shared/apps/xz/5.2.2/lib -L/cm/shared/apps/pcre/8.38/lib -L/cm/shared/apps/curl/7.50.1/lib -L/cm/shared/apps/gcc/4.9.1/lib64 -L/usr/local/Cellar/gcc@4.9/4.9.4/lib/gcc/4.9/ -L/usr/lib"""
   }
 }
 

com.oracle.truffle.r.native/gnur/Makefile.gnur

@@ -116,7 +116,7 @@ ifneq ($(PKG_INCLUDE_FLAGS_OVERRIDE),)
 endif
 
 ifneq ($(PKG_LDFLAGS_OVERRIDE),)
-        GNUR_CONFIG_FLAGS := $(GNUR_CONFIG_FLAGS) LDFLAGS=$(PKG_LDFLAGS_OVERRIDE)
+        GNUR_CONFIG_FLAGS := $(GNUR_CONFIG_FLAGS) LDFLAGS="$(PKG_LDFLAGS_OVERRIDE)"
 endif
 
 # setup for LLVM (if enabled)