Automatic merge of jdk:master into master

Author: duke

make/autoconf/configure.ac

@@ -203,7 +203,8 @@ FLAGS_POST_TOOLCHAIN
 PLATFORM_SETUP_OPENJDK_TARGET_BITS
 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
 
-# Configure flags for the tools
+# Configure flags for the tools. Need to know if we should build reproducible.
+JDKOPT_SETUP_REPRODUCIBLE_BUILD
 FLAGS_SETUP_FLAGS
 
 # Setup debug symbols (need objcopy from the toolchain for that)
@@ -247,7 +248,6 @@ JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST
 JDKOPT_EXCLUDE_TRANSLATIONS
 JDKOPT_ENABLE_DISABLE_MANPAGES
 JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE
-JDKOPT_SETUP_REPRODUCIBLE_BUILD
 
 ###############################################################################
 #

make/autoconf/flags-cflags.m4

@@ -757,6 +757,18 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
     $1_WARNING_CFLAGS_JVM="-Wno-format-zero-length -Wtype-limits -Wuninitialized"
   fi
 
+  if test "x$TOOLCHAIN_TYPE" = xmicrosoft && test "x$ENABLE_REPRODUCIBLE_BUILD" = xtrue; then
+    # Enabling deterministic creates warnings if __DATE__ or __TIME__ are
+    # used, and since we are, silence that warning.
+    REPRODUCIBLE_CFLAGS="-experimental:deterministic -wd5048"
+    FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${REPRODUCIBLE_CFLAGS}],
+        PREFIX: $3,
+        IF_FALSE: [
+            REPRODUCIBLE_CFLAGS=
+        ]
+    )
+  fi
+
   # Prevent the __FILE__ macro from generating absolute paths into the built
   # binaries. Depending on toolchain, different mitigations are possible.
   # * GCC and Clang of new enough versions have -fmacro-prefix-map.
@@ -775,6 +787,30 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
               FILE_MACRO_CFLAGS=
           ]
       )
+    elif test "x$TOOLCHAIN_TYPE" = xmicrosoft &&
+        test "x$ENABLE_REPRODUCIBLE_BUILD" = xtrue; then
+      # There is a known issue with the pathmap if the mapping is made to the
+      # empty string. Add a minimal string "s" as prefix to work around this.
+      workspace_root_win="${WORKSPACE_ROOT%/}"
+      UTIL_REWRITE_AS_WINDOWS_MIXED_PATH([workspace_root_win])
+      # PATHMAP_FLAGS is also added to LDFLAGS in flags-ldflags.m4.
+      PATHMAP_FLAGS="-pathmap:${workspace_root_win//\//\\\\}=s \
+          -pathmap:${workspace_root_win}=s"
+      FILE_MACRO_CFLAGS="$PATHMAP_FLAGS"
+      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${FILE_MACRO_CFLAGS}],
+          PREFIX: $3,
+          IF_FALSE: [
+              PATHMAP_FLAGS=
+              FILE_MACRO_CFLAGS=
+          ]
+      )
+    fi
+
+    AC_MSG_CHECKING([how to prevent absolute paths in output])
+    if test "x$FILE_MACRO_CFLAGS" != x; then
+      AC_MSG_RESULT([using compiler options])
+    else
+      AC_MSG_RESULT([using relative paths])
     fi
   fi
   AC_SUBST(FILE_MACRO_CFLAGS)
@@ -783,12 +819,13 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
   CFLAGS_JVM_COMMON="$ALWAYS_CFLAGS_JVM $ALWAYS_DEFINES_JVM \
       $TOOLCHAIN_CFLAGS_JVM ${$1_TOOLCHAIN_CFLAGS_JVM} \
       $OS_CFLAGS $OS_CFLAGS_JVM $CFLAGS_OS_DEF_JVM $DEBUG_CFLAGS_JVM \
-      $WARNING_CFLAGS $WARNING_CFLAGS_JVM $JVM_PICFLAG $FILE_MACRO_CFLAGS"
+      $WARNING_CFLAGS $WARNING_CFLAGS_JVM $JVM_PICFLAG $FILE_MACRO_CFLAGS \
+      $REPRODUCIBLE_CFLAGS"
 
   CFLAGS_JDK_COMMON="$ALWAYS_CFLAGS_JDK $ALWAYS_DEFINES_JDK $TOOLCHAIN_CFLAGS_JDK \
       $OS_CFLAGS $CFLAGS_OS_DEF_JDK $DEBUG_CFLAGS_JDK $DEBUG_OPTIONS_FLAGS_JDK \
       $WARNING_CFLAGS $WARNING_CFLAGS_JDK $DEBUG_SYMBOLS_CFLAGS_JDK \
-      $FILE_MACRO_CFLAGS"
+      $FILE_MACRO_CFLAGS $REPRODUCIBLE_CFLAGS"
 
   # Use ${$2EXTRA_CFLAGS} to block EXTRA_CFLAGS to be added to build flags.
   # (Currently we don't have any OPENJDK_BUILD_EXTRA_CFLAGS, but that might

make/autoconf/flags-ldflags.m4

@@ -137,9 +137,17 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_HELPER],
     fi
   fi
 
+  if test "x$ENABLE_REPRODUCIBLE_BUILD" = "xtrue"; then
+    if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+      REPRODUCIBLE_LDFLAGS="-experimental:deterministic"
+    fi
+  fi
+
   if test "x$ALLOW_ABSOLUTE_PATHS_IN_OUTPUT" = "xfalse"; then
     if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
       BASIC_LDFLAGS="$BASIC_LDFLAGS -pdbaltpath:%_PDB%"
+      # PATHMAP_FLAGS is setup in flags-cflags.m4.
+      FILE_MACRO_LDFLAGS="${PATHMAP_FLAGS}"
     fi
   fi
 
@@ -187,13 +195,15 @@ AC_DEFUN([FLAGS_SETUP_LDFLAGS_CPU_DEP],
   LDFLAGS_JDK_COMMON="$BASIC_LDFLAGS $BASIC_LDFLAGS_JDK_ONLY \
       $OS_LDFLAGS_JDK_ONLY $DEBUGLEVEL_LDFLAGS_JDK_ONLY ${$2EXTRA_LDFLAGS}"
   $2LDFLAGS_JDKLIB="$LDFLAGS_JDK_COMMON $BASIC_LDFLAGS_JDK_LIB_ONLY \
-      ${$1_LDFLAGS_JDK_LIBPATH} $SHARED_LIBRARY_FLAGS"
+      ${$1_LDFLAGS_JDK_LIBPATH} $SHARED_LIBRARY_FLAGS \
+      $REPRODUCIBLE_LDFLAGS $FILE_MACRO_LDFLAGS"
   $2LDFLAGS_JDKEXE="$LDFLAGS_JDK_COMMON $EXECUTABLE_LDFLAGS \
-      ${$1_CPU_EXECUTABLE_LDFLAGS}"
+      ${$1_CPU_EXECUTABLE_LDFLAGS} $REPRODUCIBLE_LDFLAGS $FILE_MACRO_LDFLAGS"
 
   $2JVM_LDFLAGS="$BASIC_LDFLAGS $BASIC_LDFLAGS_JVM_ONLY $OS_LDFLAGS_JVM_ONLY \
       $DEBUGLEVEL_LDFLAGS $DEBUGLEVEL_LDFLAGS_JVM_ONLY $BASIC_LDFLAGS_ONLYCXX \
-      ${$1_CPU_LDFLAGS} ${$1_CPU_LDFLAGS_JVM_ONLY} ${$2EXTRA_LDFLAGS}"
+      ${$1_CPU_LDFLAGS} ${$1_CPU_LDFLAGS_JVM_ONLY} ${$2EXTRA_LDFLAGS} \
+      $REPRODUCIBLE_LDFLAGS $FILE_MACRO_LDFLAGS"
 
   AC_SUBST($2LDFLAGS_JDKLIB)
   AC_SUBST($2LDFLAGS_JDKEXE)

test/jdk/build/AbsPathsInImage.java

@@ -151,11 +151,6 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
                     return super.visitFile(file, attrs);
                 } else if (fileName.endsWith(".debuginfo") || fileName.endsWith(".pdb")) {
                     // Do nothing
-                } else if (fileName.endsWith(".dll")) {
-                    // On Windows, the Microsoft toolchain does not provide a way
-                    // to reliably remove all absolute paths from __FILE__ usage.
-                    // Until that is fixed, we simply exclude *.dll from this
-                    // test.
                 } else if (fileName.endsWith(".zip")) {
                     scanZipFile(file, searchPatterns);
                 } else {
@@ -168,14 +163,6 @@ public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IO
 
     private void scanFile(Path file, List<byte[]> searchPatterns) throws IOException {
         List<String> matches = scanBytes(Files.readAllBytes(file), searchPatterns);
-        // For the same reason as the *.dll above, the jdk.jpackage module
-        // contains some unavoidable header references in the launcher which is
-        // stored as a java resource inside the modules file.
-        if (IS_WINDOWS && file.toString().endsWith("modules")) {
-            matches = matches.stream()
-                .filter(f -> !f.matches(".*jdk\\.jpackage.*\\.h.*"))
-                .collect(Collectors.toList());
-        }
         if (matches.size() > 0) {
             matchFound = true;
             System.out.println(file + ":");