RFC: Remove support for MSVC

CHANGES

@@ -1,6 +1,7 @@
 ## Unreleased
 * Add ends to locations, allowing for ranges.
 * Add additional expression locations to statements, etc.
+* Drop all support for MSVC
 
 ## Older versions
 

Makefile.in

@@ -146,7 +146,6 @@ $(CILLY): $(CILLY_EXE_BIN) $(CILLYDIR)/Makefile
 	$(MAKE) -C $(CILLYDIR)
 
 # Create the machine dependency module
-# If the cl command cannot be run then the MSVC part will be identical to GCC
 .PHONY : machdep
 machdep: $(OBJDIR)/machdep.ml
 $(OBJDIR)/machdep.ml : src/machdep-ml.c configure.ac Makefile.in
@@ -204,15 +203,6 @@ $(OBJDIR)/machdep.ml : src/machdep-ml.c configure.ac Makefile.in
 	@echo "let gcc = {" >>$@
 	@$(OBJDIR)/machdep-ml.exe >>$@
 	@echo "}"          >>$@
-	@if cl -D_MSVC $< -Fe$(OBJDIR)/machdep-ml.exe -Fo$(OBJDIR)/machdep-ml.obj ;then \
-           echo "let hasMSVC = true" >>$@ ;\
-	         echo "let msvc = {" >>$@ ;\
-	           $(OBJDIR)/machdep-ml.exe >>$@ ;\
-	         echo "}"          >>$@ \
-        ;else \
-           echo "let hasMSVC = false" >>$@ ;\
-					 echo "let msvc = gcc" >> $@ \
-			  ;fi
 	@echo "let theMachine : mach ref = ref gcc" >>$@
 
 $(CILLYDIR)/App/$(CILLYMOD).pm: $(CILLYDIR)/App/$(CILLYMOD).pm.in src/machdep-ml.c configure.ac Makefile.in

config.mk.in

@@ -1,3 +1,2 @@
 # A bunch of variables  -*- Mode: makefile -*-
-export HAS_MSVC=@HAS_MSVC@
 export @DEFAULT_COMPILER@=1

configure

@@ -655,7 +655,6 @@ CIL_VERSION_MINOR
 CIL_VERSION_MAJOR
 DEFAULT_CIL_MODE
 DEFAULT_COMPILER
-HAS_MSVC
 EMUL
 LIBOBJS
 CYGPATH
@@ -3470,30 +3469,6 @@ test -n "$target_alias" &&
 DEFAULT_COMPILER=_GNUCC
 DEFAULT_CIL_MODE=GNUCC
 
-# is the microsoft compiler available?
-# hmm.. I think we should check the version or something, because
-# sometimes people have Common Lisp's interpreter called 'cl' ..
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for msvc cl.exe (optional)" >&5
-printf %s "checking for msvc cl.exe (optional)... " >&6; }
-# See if CC points to the MS compiler
-if "$CC" 2>&1 | grep "Microsoft" >/dev/null; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found, set as default" >&5
-printf "%s\n" "found, set as default" >&6; }
-  HAS_MSVC=yes
-  DEFAULT_COMPILER=_MSVC
-  DEFAULT_CIL_MODE=MSVC
-  CFLAGS="-WX"
-else
-  if cl 2>&1 | grep "Microsoft" >/dev/null ;then
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: found" >&5
-printf "%s\n" "found" >&6; }
-     HAS_MSVC=yes
-  else
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5
-printf "%s\n" "not found" >&6; }
-     HAS_MSVC=no
-  fi
-fi
 
 # ------------------- OCaml ----------------
 
@@ -5266,7 +5241,6 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 printf "%s\n" "$THREAD_IS_KEYWORD" >&6; }
 
 # Does gcc add underscores to identifiers to make assembly labels?
-# (I think MSVC always does)
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if gcc adds underscores to assembly labels." >&5
 printf %s "checking if gcc adds underscores to assembly labels.... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6046,7 +6020,6 @@ printf "%s\n" "$real_type" >&6; }
 
 
 
-
 # finish the configure script and generate various files; ./configure
 # will apply variable substitutions to <filename>.in to generate <filename>;
 
@@ -7433,7 +7406,6 @@ fi
 cat <<EOF
 
 CIL configuration:
-  (optional) cl.exe found:    HAS_MSVC           $HAS_MSVC
   gcc to use                  CC                 $CC
   default compiler            DEFAULT_COMPILER   $DEFAULT_COMPILER
   CIL version                 CIL_VERSION        $CIL_VERSION

configure.ac

@@ -82,26 +82,6 @@ AC_EXEEXT
 DEFAULT_COMPILER=_GNUCC
 DEFAULT_CIL_MODE=GNUCC
 
-# is the microsoft compiler available?
-# hmm.. I think we should check the version or something, because
-# sometimes people have Common Lisp's interpreter called 'cl' ..
-AC_MSG_CHECKING(for msvc cl.exe (optional))
-# See if CC points to the MS compiler
-if "$CC" 2>&1 | grep "Microsoft" >/dev/null; then
-  AC_MSG_RESULT([found, set as default])
-  HAS_MSVC=yes
-  DEFAULT_COMPILER=_MSVC
-  DEFAULT_CIL_MODE=MSVC
-  CFLAGS="-WX"
-else
-  if cl 2>&1 | grep "Microsoft" >/dev/null ;then
-     AC_MSG_RESULT(found)
-     HAS_MSVC=yes
-  else
-     AC_MSG_RESULT(not found)
-     HAS_MSVC=no
-  fi
-fi
 
 # ------------------- OCaml ----------------
 
@@ -155,7 +135,6 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([int main(int __thread) { return 0; }])],
 AC_MSG_RESULT($THREAD_IS_KEYWORD)
 
 # Does gcc add underscores to identifiers to make assembly labels?
-# (I think MSVC always does)
 AC_MSG_CHECKING([if gcc adds underscores to assembly labels.])
 AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { __asm__("jmp _main"); }])],
                   UNDERSCORE_NAME=true,
@@ -186,7 +165,6 @@ CIL_CHECK_INTEGER_TYPE(wchar_t, TYPE_WCHAR_T)
 # names of the variables that get substituted in files; for example,
 # write @CIL_VERSION@ somewhere in a written file to get it substituted
 AC_SUBST(EMUL)
-AC_SUBST(HAS_MSVC)
 AC_SUBST(DEFAULT_COMPILER)
 AC_SUBST(DEFAULT_CIL_MODE)
 AC_SUBST(CIL_VERSION_MAJOR)
@@ -216,7 +194,6 @@ AC_OUTPUT
 cat <<EOF
 
 CIL configuration:
-  (optional) cl.exe found:    HAS_MSVC           $HAS_MSVC
   gcc to use                  CC                 $CC
   default compiler            DEFAULT_COMPILER   $DEFAULT_COMPILER
   CIL version                 CIL_VERSION        $CIL_VERSION