8022177: Windows/MSYS builds broken

Co-authored-by: Volker Simonis <volker.simonis@gmail.com>
Reviewed-by: tbell, erikj, simonis

common/autoconf/basics.m4

@@ -377,7 +377,6 @@ AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
   BASIC_REQUIRE_PROGS(CMP, cmp)
   BASIC_REQUIRE_PROGS(COMM, comm)
   BASIC_REQUIRE_PROGS(CP, cp)
-  BASIC_REQUIRE_PROGS(CPIO, cpio)
   BASIC_REQUIRE_PROGS(CUT, cut)
   BASIC_REQUIRE_PROGS(DATE, date)
   BASIC_REQUIRE_PROGS(DIFF, [gdiff diff])
@@ -427,6 +426,7 @@ AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
   BASIC_PATH_PROGS(READLINK, [greadlink readlink])
   BASIC_PATH_PROGS(DF, df)
   BASIC_PATH_PROGS(SETFILE, SetFile)
+  BASIC_PATH_PROGS(CPIO, [cpio bsdcpio])
 ])
 
 # Setup basic configuration paths, and platform-specific stuff related to PATHs.
@@ -954,7 +954,7 @@ AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK],
 # not be the case in cygwin in certain conditions.
 AC_DEFUN_ONCE([BASIC_CHECK_SRC_PERMS],
 [
-  if test x"$OPENJDK_BUILD_OS" = xwindows; then
+  if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
     file_to_test="$SRC_ROOT/LICENSE"
     if test `$STAT -c '%a' "$file_to_test"` -lt 400; then
       AC_MSG_ERROR([Bad file permissions on src files. This is usually caused by cloning the repositories with a non cygwin hg in a directory not created in cygwin.])

common/autoconf/basics_windows.m4

@@ -266,6 +266,14 @@ AC_DEFUN([BASIC_FIXUP_EXECUTABLE_MSYS],
     BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(new_path)
 
     new_path=`$WHICH "$new_path" 2> /dev/null`
+    # bat and cmd files are not always considered executable in MSYS causing which
+    # to not find them
+    if test "x$new_path" = x \
+        && test "x`$ECHO \"$path\" | $GREP -i -e \"\\.bat$\" -e \"\\.cmd$\"`" != x \
+        && test "x`$LS \"$path\" 2>/dev/null`" != x; then
+      new_path="$path"
+      BASIC_WINDOWS_REWRITE_AS_UNIX_PATH(new_path)
+    fi
 
     if test "x$new_path" = x; then
       # It's still not found. Now this is an unrecoverable error.

common/autoconf/flags.m4

@@ -900,7 +900,7 @@ AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
 
   case "${TOOLCHAIN_TYPE}" in
     microsoft)
-      CFLAGS_WARNINGS_ARE_ERRORS="/WX"
+      CFLAGS_WARNINGS_ARE_ERRORS="-WX"
       ;;
     solstudio)
       CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"

common/autoconf/platform.m4

@@ -173,6 +173,7 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   OPENJDK_BUILD_CPU_ENDIAN="$VAR_CPU_ENDIAN"
   AC_SUBST(OPENJDK_BUILD_OS)
   AC_SUBST(OPENJDK_BUILD_OS_API)
+  AC_SUBST(OPENJDK_BUILD_OS_ENV)
   AC_SUBST(OPENJDK_BUILD_CPU)
   AC_SUBST(OPENJDK_BUILD_CPU_ARCH)
   AC_SUBST(OPENJDK_BUILD_CPU_BITS)
@@ -194,6 +195,7 @@ AC_DEFUN([PLATFORM_EXTRACT_TARGET_AND_BUILD],
   OPENJDK_TARGET_CPU_ENDIAN="$VAR_CPU_ENDIAN"
   AC_SUBST(OPENJDK_TARGET_OS)
   AC_SUBST(OPENJDK_TARGET_OS_API)
+  AC_SUBST(OPENJDK_TARGET_OS_ENV)
   AC_SUBST(OPENJDK_TARGET_CPU)
   AC_SUBST(OPENJDK_TARGET_CPU_ARCH)
   AC_SUBST(OPENJDK_TARGET_CPU_BITS)

common/autoconf/spec.gmk.in

@@ -106,6 +106,7 @@ OPENJDK_TARGET_OS_EXPORT_DIR:=@OPENJDK_TARGET_OS_EXPORT_DIR@
 # When not cross-compiling, it is the same as the target.
 OPENJDK_BUILD_OS:=@OPENJDK_BUILD_OS@
 OPENJDK_BUILD_OS_API:=@OPENJDK_BUILD_OS_API@
+OPENJDK_BUILD_OS_ENV:=@OPENJDK_BUILD_OS_ENV@
 
 OPENJDK_BUILD_CPU:=@OPENJDK_BUILD_CPU@
 OPENJDK_BUILD_CPU_ARCH:=@OPENJDK_BUILD_CPU_ARCH@

common/autoconf/toolchain_windows.m4

@@ -244,12 +244,22 @@ AC_DEFUN([TOOLCHAIN_CHECK_POSSIBLE_MSVCR_DLL],
     # Need to check if the found msvcr is correct architecture
     AC_MSG_CHECKING([found msvcr100.dll architecture])
     MSVCR_DLL_FILETYPE=`$FILE -b "$POSSIBLE_MSVCR_DLL"`
-    if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
-      CORRECT_MSVCR_ARCH=386
+    if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys"; then
+      # The MSYS 'file' command returns "PE32 executable for MS Windows (DLL) (GUI) Intel 80386 32-bit"
+      # on x32 and "PE32+ executable for MS Windows (DLL) (GUI) Mono/.Net assembly" on x64 systems.
+      if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
+        CORRECT_MSVCR_ARCH="PE32 executable"
+      else
+        CORRECT_MSVCR_ARCH="PE32+ executable"
+      fi
     else
-      CORRECT_MSVCR_ARCH=x86-64
+      if test "x$OPENJDK_TARGET_CPU_BITS" = x32; then
+        CORRECT_MSVCR_ARCH=386
+      else
+        CORRECT_MSVCR_ARCH=x86-64
+      fi
     fi
-    if $ECHO "$MSVCR_DLL_FILETYPE" | $GREP $CORRECT_MSVCR_ARCH 2>&1 > /dev/null; then
+    if $ECHO "$MSVCR_DLL_FILETYPE" | $GREP "$CORRECT_MSVCR_ARCH" 2>&1 > /dev/null; then
       AC_MSG_RESULT([ok])
       MSVCR_DLL="$POSSIBLE_MSVCR_DLL"
       AC_MSG_CHECKING([for msvcr100.dll])

make/common/NativeCompilation.gmk

@@ -46,6 +46,12 @@ else
   ARCHIVING_MSG=
 endif
 
+ifeq ($(OPENJDK_BUILD_OS_ENV), windows.cygwin)
+  UNIX_PATH_PREFIX := /cygdrive
+else ifeq ($(OPENJDK_BUILD_OS_ENV), windows.msys)
+  UNIX_PATH_PREFIX :=
+endif
+
 define add_native_source
   # param 1 = BUILD_MYPACKAGE
   # parma 2 = the source file name (..../alfa.c or .../beta.cpp)
@@ -120,7 +126,7 @@ define add_native_source
 	  && $(SED) -e '/^Note: including file:/!d' \
 	      -e 's|Note: including file: *||' \
 	      -e 's|\\|/|g' \
-	      -e 's|^\([a-zA-Z]\):|/cygdrive/\1|g' \
+	      -e 's|^\([a-zA-Z]\):|$(UNIX_PATH_PREFIX)/\1|g' \
 	      -e '/$(subst /,\/,$(TOPDIR))/!d' \
 	      -e 's|$$$$| \\|g' \
 	      $$($1_$2_DEP).raw) > $$($1_$2_DEP)