make/autoconf/flags-ldflags.m4

rev 52902 : 8233410: Better Build Scripting
Reviewed-by: tbell, jwilhelm, andrew
rev 52911 : 8238960: linux-i586 builds are inconsistent as the newly build jdk is not able to reserve enough space for object heap
Reviewed-by: ihse, tbell, ahgross, jwilhelm
rev 52923 : 8226346: Build better binary builders
Reviewed-by: andrew

*** 143,152 ****
--- 143,163 ----
    fi
  
    # Setup LDFLAGS for linking executables
    if test "x$TOOLCHAIN_TYPE" = xgcc; then
      EXECUTABLE_LDFLAGS="$EXECUTABLE_LDFLAGS -Wl,--allow-shlib-undefined"
+     # Enabling pie on 32 bit builds prevents the JVM from allocating a continuous
+     # java heap.
+     if test "x$OPENJDK_TARGET_CPU_BITS" != "x32"; then
+       EXECUTABLE_LDFLAGS="$EXECUTABLE_LDFLAGS -pie"
+     fi
+   fi
+ 
+   if test "x$ALLOW_ABSOLUTE_PATHS_IN_OUTPUT" = "xfalse"; then
+     if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+       BASIC_LDFLAGS="$BASIC_LDFLAGS -pdbaltpath:%_PDB%"
+     fi
    fi
  
    # Export some intermediate variables for compatibility
    LDFLAGS_CXX_JDK="$BASIC_LDFLAGS_ONLYCXX $BASIC_LDFLAGS_ONLYCXX_JDK_ONLY $DEBUGLEVEL_LDFLAGS_JDK_ONLY"
    AC_SUBST(LDFLAGS_CXX_JDK)