common/autoconf/spec.gmk.in

rev 1735 : 8151841: Build needs additional flags to compile with GCC 6 [plus parts of 8149647 & 8032045]
Summary: C++ standard needs to be explicitly set and some optimisations turned off to build on GCC 6
Reviewed-by: erikj, dholmes, kbarrett

@@ -329,10 +329,14 @@
 
 # CFLAGS used to compile the jdk native launchers (C-code)
 CFLAGS_JDKEXE:=@CFLAGS_JDKEXE@
 CXXFLAGS_JDKEXE:=@CXXFLAGS_JDKEXE@
 
+NO_DELETE_NULL_POINTER_CHECKS_CFLAG=@NO_DELETE_NULL_POINTER_CHECKS_CFLAG@
+NO_LIFETIME_DSE_CFLAG=@NO_LIFETIME_DSE_CFLAG@
+CXXSTD_CXXFLAG=@CXXSTD_CXXFLAG@
+
 CXX:=@FIXPATH@ @CCACHE@ @CXX@
 #CXXFLAGS:=@CXXFLAGS@
 
 OBJC:=@CCACHE@ @OBJC@
 #OBJCFLAGS:=@OBJCFLAGS@