21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 $(eval $(call IncludeCustomExtension, hotspot/lib/JvmOverrideFiles.gmk))
  27 
  28 ################################################################################
  29 # This file contains explicit overrides of CFLAGS and/or precompiled header
  30 # status for individual files on specific platforms.
  31 
  32 ifeq ($(TOOLCHAIN_TYPE), gcc)
  33   BUILD_LIBJVM_vmStructs.cpp_CXXFLAGS := -fno-var-tracking-assignments -O0
  34   BUILD_LIBJVM_jvmciCompilerToVM.cpp_CXXFLAGS := -fno-var-tracking-assignments
  35   BUILD_LIBJVM_jvmciCompilerToVMInit.cpp_CXXFLAGS := -fno-var-tracking-assignments
  36   BUILD_LIBJVM_assembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
  37   BUILD_LIBJVM_cardTableBarrierSetAssembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
  38   BUILD_LIBJVM_interp_masm_x86.cpp_CXXFLAGS := -Wno-uninitialized
  39 endif
  40 




  41 ifeq ($(OPENJDK_TARGET_OS), linux)
  42   BUILD_LIBJVM_ostream.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
  43   BUILD_LIBJVM_logFileOutput.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
  44 
  45   ifeq ($(OPENJDK_TARGET_CPU_ARCH), x86)
  46     BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE)
  47     BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE)
  48 
  49     ifeq ($(TOOLCHAIN_TYPE), clang)
  50       JVM_PRECOMPILED_HEADER_EXCLUDE := \
  51           sharedRuntimeTrig.cpp \
  52           sharedRuntimeTrans.cpp \
  53           #
  54     endif
  55   endif
  56 
  57   ifeq ($(OPENJDK_TARGET_CPU), x86)
  58     # Performance measurements show that by compiling GC related code, we could
  59     # significantly reduce the GC pause time on 32 bit Linux/Unix platforms by
  60     # compiling without the PIC flag (-fPIC on linux).

  21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22 # or visit www.oracle.com if you need additional information or have any
  23 # questions.
  24 #
  25 
  26 $(eval $(call IncludeCustomExtension, hotspot/lib/JvmOverrideFiles.gmk))
  27 
  28 ################################################################################
  29 # This file contains explicit overrides of CFLAGS and/or precompiled header
  30 # status for individual files on specific platforms.
  31 
  32 ifeq ($(TOOLCHAIN_TYPE), gcc)
  33   BUILD_LIBJVM_vmStructs.cpp_CXXFLAGS := -fno-var-tracking-assignments -O0
  34   BUILD_LIBJVM_jvmciCompilerToVM.cpp_CXXFLAGS := -fno-var-tracking-assignments
  35   BUILD_LIBJVM_jvmciCompilerToVMInit.cpp_CXXFLAGS := -fno-var-tracking-assignments
  36   BUILD_LIBJVM_assembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
  37   BUILD_LIBJVM_cardTableBarrierSetAssembler_x86.cpp_CXXFLAGS := -Wno-maybe-uninitialized
  38   BUILD_LIBJVM_interp_masm_x86.cpp_CXXFLAGS := -Wno-uninitialized
  39 endif
  40 
  41 ifeq ($(TOOLCHAIN_TYPE), gcc)
  42   BUILD_LIBJVM_vm_version_aarch32_2.cpp_CXXFLAGS := -fno-stack-protector
  43 endif
  44 
  45 ifeq ($(OPENJDK_TARGET_OS), linux)
  46   BUILD_LIBJVM_ostream.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
  47   BUILD_LIBJVM_logFileOutput.cpp_CXXFLAGS := -D_FILE_OFFSET_BITS=64
  48 
  49   ifeq ($(OPENJDK_TARGET_CPU_ARCH), x86)
  50     BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE)
  51     BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(CXX_O_FLAG_NONE)
  52 
  53     ifeq ($(TOOLCHAIN_TYPE), clang)
  54       JVM_PRECOMPILED_HEADER_EXCLUDE := \
  55           sharedRuntimeTrig.cpp \
  56           sharedRuntimeTrans.cpp \
  57           #
  58     endif
  59   endif
  60 
  61   ifeq ($(OPENJDK_TARGET_CPU), x86)
  62     # Performance measurements show that by compiling GC related code, we could
  63     # significantly reduce the GC pause time on 32 bit Linux/Unix platforms by
  64     # compiling without the PIC flag (-fPIC on linux).