Changeset 92800 in vbox

Timestamp:

Dec 8, 2021 1:15:14 AM (3 years ago)

Author:

vboxsync

Message:

/Config.kmk: Use -ffunction-sections, -fdata-sections and -Wl,--gc-sections on staticially linked modules (mostly GAs and ValKit) on ELF platforms. Should save a bit of space.

File:

• trunk/Config.kmk (modified) (2 diffs)

trunk/Config.kmk

@@ -5880 +5880 @@
         $(PATH_TOOL_$(TEMPLATE_VBOXR3STATIC_TOOL.win.amd64)_LIB)/oldnames.lib
  endif
-else ifn1of ($(KBUILD_TARGET), darwin linux solaris)
- # The gcc guys sans darwin, linux and solaris (don't depend on statically compiled system libs there)
- TEMPLATE_VBOXR3STATIC_CFLAGS          = $(TEMPLATE_VBOXR3EXE_CFLAGS) -static
- TEMPLATE_VBOXR3STATIC_CXXFLAGS        = $(TEMPLATE_VBOXR3EXE_CXXFLAGS) -static
- TEMPLATE_VBOXR3STATIC_PCHFLAGS        = $(TEMPLATE_VBOXR3EXE_PCHFLAGS) -static
- TEMPLATE_VBOXR3STATIC_OBJCFLAGS       = $(TEMPLATE_VBOXR3EXE_OBJCFLAGS) -static
- TEMPLATE_VBOXR3STATIC_OBJCXXFLAGS     = $(TEMPLATE_VBOXR3EXE_OBJCXXFLAGS) -static
- TEMPLATE_VBOXR3STATIC_LDFLAGS         = $(TEMPLATE_VBOXR3EXE_LDFLAGS) -static
-else ifeq ($(KBUILD_TARGET),solaris)
- TEMPLATE_VBOXR3STATIC_LIBS            = $(TEMPLATE_VBOXR3EXE_LIBS) nsl
- TEMPLATE_VBOXR3STATIC_LDFLAGS         = $(filter-out '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RUNPATH)' '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RELATIVE_RUNPATH)',$(TEMPLATE_VBOXR3EXE_LDFLAGS))
 else
- TEMPLATE_VBOXR3STATIC_LDFLAGS         = $(filter-out '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RUNPATH)' '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RELATIVE_RUNPATH)',$(TEMPLATE_VBOXR3EXE_LDFLAGS))
+ ifn1of ($(KBUILD_TARGET), darwin linux solaris)
+  # The gcc guys sans darwin, linux and solaris (don't depend on statically compiled system libs there)
+  TEMPLATE_VBOXR3STATIC_CFLAGS          = $(TEMPLATE_VBOXR3EXE_CFLAGS) -static
+  TEMPLATE_VBOXR3STATIC_CXXFLAGS        = $(TEMPLATE_VBOXR3EXE_CXXFLAGS) -static
+  TEMPLATE_VBOXR3STATIC_PCHFLAGS        = $(TEMPLATE_VBOXR3EXE_PCHFLAGS) -static
+  TEMPLATE_VBOXR3STATIC_OBJCFLAGS       = $(TEMPLATE_VBOXR3EXE_OBJCFLAGS) -static
+  TEMPLATE_VBOXR3STATIC_OBJCXXFLAGS     = $(TEMPLATE_VBOXR3EXE_OBJCXXFLAGS) -static
+  TEMPLATE_VBOXR3STATIC_LDFLAGS         = $(TEMPLATE_VBOXR3EXE_LDFLAGS) -static
+ else ifeq ($(KBUILD_TARGET),solaris)
+  TEMPLATE_VBOXR3STATIC_LIBS            = $(TEMPLATE_VBOXR3EXE_LIBS) nsl
+  TEMPLATE_VBOXR3STATIC_LDFLAGS         = $(filter-out '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RUNPATH)' '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RELATIVE_RUNPATH)',$(TEMPLATE_VBOXR3EXE_LDFLAGS))
+ else
+  TEMPLATE_VBOXR3STATIC_LDFLAGS         = $(filter-out '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RUNPATH)' '$(VBOX_GCC_RPATH_OPT)$(VBOX_WITH_RELATIVE_RUNPATH)',$(TEMPLATE_VBOXR3EXE_LDFLAGS))
+ endif
+ ifn1of ($(KBUILD_TARGET), darwin os2) # ELF only. Present in gcc 3.2.3 & binutils 2.15, possibly earlier.
+  ifndef TEMPLATE_VBOXR3STATIC_CXXFLAGS
+   TEMPLATE_VBOXR3STATIC_CXXFLAGS       = $(TEMPLATE_VBOXR3EXE_CXXFLAGS)
+   TEMPLATE_VBOXR3STATIC_CFLAGS         = $(TEMPLATE_VBOXR3EXE_CFLAGS)
+  endif
+  TEMPLATE_VBOXR3STATIC_CXXFLAGS       += -ffunction-sections -fdata-sections
+  TEMPLATE_VBOXR3STATIC_CFLAGS         += -ffunction-sections -fdata-sections
+  TEMPLATE_VBOXR3STATIC_LDFLAGS        += -Wl,--gc-sections
+ endif
 endif
 
@@ -7781 +7792 @@
  TEMPLATE_VBOXGUESTR3EXE_LDFLAGS.debug = $(NO_SUCH_VARIABLE)
  TEMPLATE_VBOXGUESTR3EXE_LDFLAGS  = $(filter-out '$(VBOX_GCC_RPATH_OPT)%,$(TEMPLATE_VBOXR3EXE_LDFLAGS))
+ ifn1of ($(KBUILD_TARGET), darwin os2) # ELF only. Present in gcc 3.2.3 & binutils 2.15, possibly earlier.
+  TEMPLATE_VBOXGUESTR3EXE_CXXFLAGS += -ffunction-sections -fdata-sections
+  TEMPLATE_VBOXGUESTR3EXE_CFLAGS   += -ffunction-sections -fdata-sections
+  TEMPLATE_VBOXGUESTR3EXE_LDFLAGS  += -Wl,--gc-sections
+ endif
 endif
 TEMPLATE_VBOXGUESTR3EXE_INST      = $(INST_ADDITIONS)