#--------------------------------------------------------------------------
# Stub library binaries, these must be compiled for use in a shared library
# even though they will be placed in a static archive
#--------------------------------------------------------------------------

tclStubLib.o: $(GENERIC_DIR)/tclStubLib.c
	$(CC) -c $(STUB_CC_SWITCHES) -DSTATIC_BUILD @CFLAGS_NOLTO@ $(GENERIC_DIR)/tclStubLib.c

tclTomMathStubLib.o: $(GENERIC_DIR)/tclTomMathStubLib.c
	$(CC) -c $(STUB_CC_SWITCHES) @CFLAGS_NOLTO@ $(GENERIC_DIR)/tclTomMathStubLib.c

tclOOStubLib.o: $(GENERIC_DIR)/tclOOStubLib.c
	$(CC) -c $(STUB_CC_SWITCHES) @CFLAGS_NOLTO@ $(GENERIC_DIR)/tclOOStubLib.c

.c.o:
	$(CC) -c $(CC_SWITCHES) $<

#--------------------------------------------------------------------------
# Minizip implementation
#--------------------------------------------------------------------------

TCL_SHLIB_LD_EXTRAS
SHLIB_LD
STLIB_LD
LD_SEARCH_FLAGS
CC_SEARCH_FLAGS
LDFLAGS_OPTIMIZE
LDFLAGS_DEBUG
CFLAGS_NOLTO
CFLAGS_WARNING
CFLAGS_OPTIMIZE
CFLAGS_DEBUG
LDAIX_SRC
PLAT_SRCS
PLAT_OBJS
DL_OBJS

{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cast_to_union" >&5
printf "%s\n" "$tcl_cv_cast_to_union" >&6; }
	if test "$tcl_cv_cast_to_union" = "yes"; then

printf "%s\n" "#define HAVE_CAST_TO_UNION 1" >>confdefs.h

	fi
	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fno-lto"
	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working -fno-lto" >&5
printf %s "checking for working -fno-lto... " >&6; }
if test ${ac_cv_nolto+y}
then :
  printf %s "(cached) " >&6
else $as_nop
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main (void)
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  ac_cv_nolto=yes
else $as_nop
  ac_cv_nolto=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext

fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_nolto" >&5
printf "%s\n" "$ac_cv_nolto" >&6; }
	CFLAGS=$hold_cflags
	if test "$ac_cv_nolto" = "yes" ; then
	    CFLAGS_NOLTO="-fno-lto"
	else
	    CFLAGS_NOLTO=""
	fi

    ac_fn_c_check_header_compile "$LINENO" "stdbool.h" "ac_cv_header_stdbool_h" "$ac_includes_default"
if test "x$ac_cv_header_stdbool_h" = xyes
then :

printf "%s\n" "#define HAVE_STDBOOL_H 1" >>confdefs.h

fi


    # FIXME: This subst was left in only because the TCL_DL_LIBS
    # entry in tclConfig.sh uses it. It is not clear why someone
    # would use TCL_DL_LIBS instead of TCL_LIBS.

	    [tcl_cv_cast_to_union=yes],
	    [tcl_cv_cast_to_union=no])
	)
	if test "$tcl_cv_cast_to_union" = "yes"; then
	    AC_DEFINE(HAVE_CAST_TO_UNION, 1,
		    [Defined when compiler supports casting to union type.])
	fi
	hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fno-lto"
	AC_CACHE_CHECK(for working -fno-lto,
	    ac_cv_nolto,
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
	    [ac_cv_nolto=yes],
	    [ac_cv_nolto=no])
	)
	CFLAGS=$hold_cflags
	if test "$ac_cv_nolto" = "yes" ; then
	    CFLAGS_NOLTO="-fno-lto"
	else
	    CFLAGS_NOLTO=""
	fi

    AC_CHECK_HEADER(stdbool.h, [AC_DEFINE(HAVE_STDBOOL_H, 1, [Do we have <stdbool.h>?])],)

    # FIXME: This subst was left in only because the TCL_DL_LIBS
    # entry in tclConfig.sh uses it. It is not clear why someone
    # would use TCL_DL_LIBS instead of TCL_LIBS.
    AC_SUBST(DL_LIBS)

    AC_SUBST(DL_OBJS)
    AC_SUBST(PLAT_OBJS)
    AC_SUBST(PLAT_SRCS)
    AC_SUBST(LDAIX_SRC)
    AC_SUBST(CFLAGS)
    AC_SUBST(CFLAGS_DEBUG)
    AC_SUBST(CFLAGS_OPTIMIZE)
    AC_SUBST(CFLAGS_WARNING)
    AC_SUBST(CFLAGS_NOLTO)

    AC_SUBST(LDFLAGS)
    AC_SUBST(LDFLAGS_DEBUG)
    AC_SUBST(LDFLAGS_OPTIMIZE)
    AC_SUBST(CC_SEARCH_FLAGS)
    AC_SUBST(LD_SEARCH_FLAGS)

		-DBUILD_tcl \
		@DEPARG@ $(CC_OBJNAME)

# The following objects are part of the stub library and should not be built
# as DLL objects but none of the symbols should be exported

tclStubLib.${OBJEXT}: tclStubLib.c
	$(CC) -c $(CC_SWITCHES) -DSTATIC_BUILD @CFLAGS_NOLTO@ @DEPARG@ $(CC_OBJNAME)

tclTomMathStubLib.${OBJEXT}: tclTomMathStubLib.c
	$(CC) -c $(CC_SWITCHES) @CFLAGS_NOLTO@ @DEPARG@ $(CC_OBJNAME)

tclOOStubLib.${OBJEXT}: tclOOStubLib.c
	$(CC) -c $(CC_SWITCHES) @CFLAGS_NOLTO@ @DEPARG@ $(CC_OBJNAME)

tclWinPanic.${OBJEXT}: tclWinPanic.c
	$(CC) -c $(CC_SWITCHES) -DSTATIC_BUILD @DEPARG@ $(CC_OBJNAME)

# Implicit rule for all object files that will end up in the Tcl library

%.${OBJEXT}: %.c

CC_FOR_BUILD
TOMMATH_OBJS
ZLIB_OBJS
TOMMATH_LIBS
ZLIB_LIBS
TOMMATH_DLL_FILE
ZLIB_DLL_FILE
CFLAGS_NOLTO
CFLAGS_WARNING
CFLAGS_OPTIMIZE
CFLAGS_DEBUG
DL_LIBS
WINE
CYGPATH
SHARED_BUILD

printf "%s\n" "$ac_cv_municode" >&6; }
	CFLAGS=$hold_cflags
	if test "$ac_cv_municode" = "yes" ; then
	    extra_ldflags="$extra_ldflags -municode"
	else
	    extra_cflags="$extra_cflags -DTCL_BROKEN_MAINARGS"
	fi
	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working -fno-lto" >&5
printf %s "checking for working -fno-lto... " >&6; }
if test ${ac_cv_nolto+y}
then :
  printf %s "(cached) " >&6
else $as_nop
  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

int
main (void)
{

  ;
  return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"
then :
  ac_cv_nolto=yes
else $as_nop
  ac_cv_nolto=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext

fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_nolto" >&5
printf "%s\n" "$ac_cv_nolto" >&6; }
	CFLAGS=$hold_cflags
	if test "$ac_cv_nolto" = "yes" ; then
	    CFLAGS_NOLTO="-fno-lto"
	else
	    CFLAGS_NOLTO=""
	fi
    fi

    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking compiler flags" >&5
printf %s "checking compiler flags... " >&6; }
    if test "${GCC}" = "yes" ; then
	SHLIB_LD=""
	SHLIB_LD_LIBS='${LIBS}'

printf "%s\n" "#define HAVE_CAST_TO_UNION 1" >>confdefs.h

	fi
    fi

    # DL_LIBS is empty, but then we match the Unix version







# Cross-compiling

# here irrespective of the OPTS setting.
#
# TBD - tclvfs has a comment that stubs libs should not be compiled with -GL
# without stating why. Tcl itself compiled stubs libs with this flag.
# so we do not remove it from cflags. -GL may prevent extensions
# compiled with one VC version to fail to link against stubs library
# compiled with another VC version. Check for this and fix accordingly.
stubscflags = $(cflags) $(PKGNAMEFLAGS) $(PRJ_DEFINES) $(OPTDEFINES) /Zl /GL- /DSTATIC_BUILD $(INCLUDES) $(USE_STUBS_DEFS)

# Link flags

!if $(DEBUG)
ldebug	= -debug -debugtype:cv
!else
ldebug	= -release -opt:ref -opt:icf,3

# Results:
#
#	Can the following vars:
#		EXTRA_CFLAGS
#		CFLAGS_DEBUG
#		CFLAGS_OPTIMIZE
#		CFLAGS_WARNING
#		CFLAGS_NOLTO
#		LDFLAGS_DEBUG
#		LDFLAGS_OPTIMIZE
#		LDFLAGS_CONSOLE
#		LDFLAGS_WINDOW
#		CC_OBJNAME
#		CC_EXENAME
#		CYGPATH

	    [ac_cv_municode=no])
	)
	CFLAGS=$hold_cflags
	if test "$ac_cv_municode" = "yes" ; then
	    extra_ldflags="$extra_ldflags -municode"
	else
	    extra_cflags="$extra_cflags -DTCL_BROKEN_MAINARGS"
	fi
	AC_CACHE_CHECK(for working -fno-lto,
	    ac_cv_nolto,
	AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
	    [ac_cv_nolto=yes],
	    [ac_cv_nolto=no])
	)
	CFLAGS=$hold_cflags
	if test "$ac_cv_nolto" = "yes" ; then
	    CFLAGS_NOLTO="-fno-lto"
	else
	    CFLAGS_NOLTO=""
	fi
    fi

    AC_MSG_CHECKING([compiler flags])
    if test "${GCC}" = "yes" ; then
	SHLIB_LD=""
	SHLIB_LD_LIBS='${LIBS}'

    fi

    # DL_LIBS is empty, but then we match the Unix version
    AC_SUBST(DL_LIBS)
    AC_SUBST(CFLAGS_DEBUG)
    AC_SUBST(CFLAGS_OPTIMIZE)
    AC_SUBST(CFLAGS_WARNING)
    AC_SUBST(CFLAGS_NOLTO)
])

#------------------------------------------------------------------------
# SC_WITH_TCL --
#
#	Location of the Tcl build directory.
#