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

*** 329,338 ****
--- 329,342 ----
  
  # 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@