Tcl Extension Architecture (TEA) Sample Extension

#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif"

ac_subst_vars='LTLIBOBJS
LIBOBJS
TCLSH_PROG
PRACTCL_NAME_LIBRARY
PRACTCL_VC_MANIFEST_EMBED_EXE
PRACTCL_VC_MANIFEST_EMBED_DLL
PRACTCL_STUB_LIB
PRACTCL_STATIC_LIB
PRACTCL_SHARED_LIB
PRACTCL_TOOLSET
VC_MANIFEST_EMBED_EXE
VC_MANIFEST_EMBED_DLL
RANLIB_STUB
MAKE_STUB_LIB
MAKE_STATIC_LIB
MAKE_SHARED_LIB
MAKE_LIB
TCL_DBGX
LDFLAGS_DEFAULT
CFLAGS_DEFAULT
LD_LIBRARY_PATH_VAR
SHLIB_CFLAGS
SHLIB_LD_LIBS
SHLIB_SUFFIX
SHLIB_LD
STLIB_LD
CFLAGS_WARNING
CFLAGS_OPTIMIZE
CFLAGS_DEBUG
RC
CELIB_DIR

	    fi

	    # check in a few common install locations
	    if test x"${ac_cv_c_tclconfig}" = x ; then
		for i in `ls -d ${libdir} 2>/dev/null` \
			`ls -d ${exec_prefix}/lib 2>/dev/null` \
			`ls -d ${prefix}/lib 2>/dev/null` \

			`ls -d /usr/local/lib 2>/dev/null` \
			`ls -d /usr/contrib/lib 2>/dev/null` \
			`ls -d /usr/lib 2>/dev/null` \
			`ls -d /usr/lib64 2>/dev/null` \
			`ls -d /usr/lib/tcl8.6 2>/dev/null` \
			`ls -d /usr/lib/tcl8.5 2>/dev/null` \
			; do
		    if test -f "$i/tclConfig.sh" ; then
			ac_cv_c_tclconfig="`(cd $i; pwd)`"

  RC="$ac_cv_prog_RC"
fi

		CFLAGS_DEBUG="-g"
		CFLAGS_OPTIMIZE="-O2 -fomit-frame-pointer"
		SHLIB_LD='${CC} -shared'
		UNSHARED_LIB_SUFFIX='${TCL_TRIM_DOTS}.a'
  	PRACTCL_UNSHARED_LIB_SUFFIX='.a'

		LDFLAGS_CONSOLE="-wl,--subsystem,console ${lflags}"
		LDFLAGS_WINDOW="-wl,--subsystem,windows ${lflags}"

		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cross-compile version of gcc" >&5
$as_echo_n "checking for cross-compile version of gcc... " >&6; }
if ${ac_cv_cross+:} false; then :
  $as_echo_n "(cached) " >&6

fi

    if test "$SHARED_LIB_SUFFIX" = ""; then :

    # TEA specific: use PACKAGE_VERSION instead of VERSION
    SHARED_LIB_SUFFIX='${PACKAGE_VERSION}${SHLIB_SUFFIX}'

fi
    if test "$UNSHARED_LIB_SUFFIX" = ""; then :

    # TEA specific: use PACKAGE_VERSION instead of VERSION
    UNSHARED_LIB_SUFFIX='${PACKAGE_VERSION}.a'

fi

    if test "${GCC}" = "yes" -a ${SHLIB_SUFFIX} = ".dll"; then
	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SEH support in compiler" >&5
$as_echo_n "checking for SEH support in compiler... " >&6; }
if ${tcl_cv_seh+:} false; then :
  $as_echo_n "(cached) " >&6

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $tcl_cv_cast_to_union" >&5
$as_echo "$tcl_cv_cast_to_union" >&6; }
	if test "$tcl_cv_cast_to_union" = "yes"; then

$as_echo "#define HAVE_CAST_TO_UNION 1" >>confdefs.h

	fi

#--------------------------------------------------------------------
# This macro generates a line to use when building a library.  It
# depends on values set by the TEA_ENABLE_SHARED, TEA_ENABLE_SYMBOLS,
# and TEA_LOAD_TCLCONFIG macros above.
#--------------------------------------------------------------------


  PRACTCL_TOOLSET="gcc"
	PRACTCL_VC_MANIFEST_EMBED_DLL=:
	PRACTCL_VC_MANIFEST_EMBED_EXE=:
  if test "${TEA_PLATFORM}" = "windows" -a "$GCC" != "yes"; then
	  PRACTCL_TOOLSET="msvc"
	  PRACTCL_STATIC_LIB="%STLIB_LD% -out:%OUTFILE% %LIBRARY_OBJECTS%"
	  PRACTCL_SHARED_LIB="%SHLIB_LD% %SHLIB_LD_LIBS% %LDFLAGS_DEFAULT% -out:%OUTFILE% %LIBRARY_OBJECTS%"
	  MAKE_STATIC_LIB="\${STLIB_LD} -out:\$@ \$(PKG_OBJECTS)"
	  MAKE_SHARED_LIB="\${SHLIB_LD} \${SHLIB_LD_LIBS} \${LDFLAGS_DEFAULT} -out:\$@ \$(PKG_OBJECTS)"
	  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h.  */

#if defined(_MSC_VER) && _MSC_VER >= 1400
print("manifest needed")
#endif

_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
  $EGREP "manifest needed" >/dev/null 2>&1; then :

	    # Could do a CHECK_PROG for mt, but should always be with MSVC8+
	    PRACTCL_VC_MANIFEST_EMBED_DLL="mt.exe -nologo -manifest %OUTFILE%.manifest -outputresource:%OUTFILE%\;2"
	    PRACTCL_VC_MANIFEST_EMBED_EXE="mt.exe -nologo -manifest %OUTFILE%.manifest -outputresource:%OUTFILE%\;1"
	    VC_MANIFEST_EMBED_DLL="if test -f \[email protected] ; then mt.exe -nologo -manifest \[email protected] -outputresource:\$@\;2 ; fi"
	    VC_MANIFEST_EMBED_EXE="if test -f \[email protected] ; then mt.exe -nologo -manifest \[email protected] -outputresource:\$@\;1 ; fi"
	    MAKE_SHARED_LIB="${MAKE_SHARED_LIB} ; ${VC_MANIFEST_EMBED_DLL}"

    CLEANFILES="$CLEANFILES *.manifest"


fi
rm -f conftest*

		PRACTCL_STUB_LIB="%STLIB_LD% -nodefaultlib -out:%OUTFILE% %LIBRARY_OBJECTS%"
	  MAKE_STUB_LIB="\${STLIB_LD} -nodefaultlib -out:\$@ \$(PKG_STUB_OBJECTS)"
  else
	  MAKE_STATIC_LIB="\${STLIB_LD} \$@ \$(PKG_OBJECTS)"
	  MAKE_SHARED_LIB="\${SHLIB_LD} -o \$@ \$(PKG_OBJECTS) \${SHLIB_LD_LIBS}"
	  MAKE_STUB_LIB="\${STLIB_LD} \$@ \$(PKG_STUB_OBJECTS)"

	  PRACTCL_STATIC_LIB="%STLIB_LD% %OUTFILE% %LIBRARY_OBJECTS%"
	  PRACTCL_SHARED_LIB="%SHLIB_LD% -o %OUTFILE% %LIBRARY_OBJECTS% %SHLIB_LD_LIBS%"
    PRACTCL_STUB_LIB="%STLIB_LD% %OUTFILE% %LIBRARY_OBJECTS%"
  fi

  if test "${SHARED_BUILD}" = "1" ; then
	  MAKE_LIB="${MAKE_SHARED_LIB} "
  else
	  MAKE_LIB="${MAKE_STATIC_LIB} "
  fi

  #--------------------------------------------------------------------
  # Shared libraries and static libraries have different names.
  # Use the double eval to make sure any variables in the suffix is
  # substituted. (@@@ Might not be necessary anymore)
  #--------------------------------------------------------------------

  if test "${TEA_PLATFORM}" = "windows" ; then
	  PRACTCL_NAME_LIBRARY="%LIBRARY_PREFIX%%LIBRARY_NAME%%LIBRARY_VERSION_NODOTS%"
	  if test "${SHARED_BUILD}" = "1" ; then
	    # We force the unresolved linking of symbols that are really in
	    # the private libraries of Tcl and Tk.
	    if test x"${TK_BIN_DIR}" != x ; then
			  SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TK_BIN_DIR}/${TK_STUB_LIB_FILE}`\""
	    fi
	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}`\""
	    if test "$GCC" = "yes"; then
        SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -static-libgcc"
	    fi
	    eval eval "PKG_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
	  else
	    eval eval "PKG_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
	    if test "$GCC" = "yes"; then
        PKG_LIB_FILE=lib${PKG_LIB_FILE}
	    fi
	  fi
	  # Some packages build their own stubs libraries
	  eval eval "PKG_STUB_LIB_FILE=${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
    if test "$GCC" = "yes"; then
      PKG_STUB_LIB_FILE=lib${PKG_STUB_LIB_FILE}
    fi
	  # These aren't needed on Windows (either MSVC or gcc)
	  RANLIB=:
	  RANLIB_STUB=:
  else
	  PRACTCL_NAME_LIBRARY="lib%LIBRARY_PREFIX%%LIBRARY_NAME%%LIBRARY_VERSION%"
	  RANLIB_STUB="${RANLIB}"
	  if test "${SHARED_BUILD}" = "1" ; then
      SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TCL_STUB_LIB_SPEC}"
      if test x"${TK_BIN_DIR}" != x ; then
        SHLIB_LD_LIBS="${SHLIB_LD_LIBS} ${TK_STUB_LIB_SPEC}"
      fi
      eval eval "PKG_LIB_FILE=lib${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
      RANLIB=:
    else
      eval eval "PKG_LIB_FILE=lib${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}${UNSHARED_LIB_SUFFIX}"
    fi
    # Some packages build their own stubs libraries
    eval eval "PKG_STUB_LIB_FILE=lib${PACKAGE_LIB_PREFIX}${PACKAGE_NAME}stub${UNSHARED_LIB_SUFFIX}"
  fi

  # These are escaped so that only CFLAGS is picked up at configure time.
  # The other values will be substituted at make time.
  CFLAGS="${CFLAGS} \${CFLAGS_DEFAULT} \${CFLAGS_WARNING}"
  if test "${SHARED_BUILD}" = "1" ; then
    CFLAGS="${CFLAGS} \${SHLIB_CFLAGS}"
  fi

#endif



/* protos */

static int CheckForCompilerFeature(const char *option);
static int CheckForLinkerFeature(const char *option);
static int IsIn(const char *string, const char *substring);
static int SubstituteFile(const char *substs, const char *filename);
static int QualifyPath(const char *path);
static const char *GetVersionFromFile(const char *filename, const char *match, int numdots);
static DWORD WINAPI ReadFromPipe(LPVOID args);

/* globals */

			"exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    }
	    return CheckForCompilerFeature(argv[2]);
	case 'l':
	    if (argc != 3) {
		chars = snprintf(msg, sizeof(msg) - 1,
	       		"usage: %s -l <linker option>\n"
			"Tests for whether link.exe supports an option\n"
			"exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
			&dwWritten, NULL);
		return 2;
	    }
	    return CheckForLinkerFeature(argv[2]);
	case 'f':
	    if (argc == 2) {
		chars = snprintf(msg, sizeof(msg) - 1,
			"usage: %s -f <string> <substring>\n"
			"Find a substring within another\n"
			"exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]);
		WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,

             || strstr(Err.buffer, "D9002") != NULL
             || strstr(Out.buffer, "D2021") != NULL
             || strstr(Err.buffer, "D2021") != NULL);
}

static int
CheckForLinkerFeature(
    const char *option)

{
    STARTUPINFO si;
    PROCESS_INFORMATION pi;
    SECURITY_ATTRIBUTES sa;
    DWORD threadID;
    char msg[300];
    BOOL ok;
    HANDLE hProcess, h, pipeThreads[2];

    char cmdline[100];

    hProcess = GetCurrentProcess();

    ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
    ZeroMemory(&si, sizeof(STARTUPINFO));
    si.cb = sizeof(STARTUPINFO);
    si.dwFlags   = STARTF_USESTDHANDLES;

    lstrcpy(cmdline, "link.exe -nologo ");

    /*
     * Append our option for testing.
     */


    lstrcat(cmdline, option);




    ok = CreateProcess(
	    NULL,	    /* Module name. */
	    cmdline,	    /* Command line. */
	    NULL,	    /* Process handle not inheritable. */
	    NULL,	    /* Thread handle not inheritable. */
	    TRUE,	    /* yes, inherit handles. */

    /*
     * Look for the commandline warning code in the stderr stream.
     */

    return !(strstr(Out.buffer, "LNK1117") != NULL ||
	    strstr(Err.buffer, "LNK1117") != NULL ||
	    strstr(Out.buffer, "LNK4044") != NULL ||
	    strstr(Err.buffer, "LNK4044") != NULL);


}

static DWORD WINAPI
ReadFromPipe(
    LPVOID args)
{
    pipeinfo *pi = (pipeinfo *) args;

!if [nmakehlp -c -RTC1]
DEBUGFLAGS     = $(DEBUGFLAGS) -RTC1
!elseif [nmakehlp -c -GZ]
DEBUGFLAGS     = $(DEBUGFLAGS) -GZ
!endif

COMPILERFLAGS  =-W3

# In v13 -GL and -YX are incompatible.
!if [nmakehlp -c -YX]
!if ![nmakehlp -c -GL]
OPTIMIZATIONS  = $(OPTIMIZATIONS) -YX
!endif
!endif

!if [nmakehlp -c -QIA64_Bx]
!message *** Compiler has 'B-stepping errata workarounds'
COMPILERFLAGS   = $(COMPILERFLAGS) -QIA64_Bx
!else
!message *** Compiler does not have 'B-stepping errata workarounds'
!endif
!endif






!if "$(MACHINE)" == "IX86"
### test for -align:4096, when align:512 will do.
!if [nmakehlp -l -opt:nowin98]
!message *** Linker has 'Win98 alignment problem'
ALIGN98_HACK	= 1
!else
!message *** Linker does not have 'Win98 alignment problem'
ALIGN98_HACK	= 0
!endif
!else
ALIGN98_HACK	= 0
!endif

LINKERFLAGS     =

!if [nmakehlp -l -ltcg]
LINKERFLAGS     =-ltcg
!endif

#----------------------------------------------------------
# Decode the options requested.
#----------------------------------------------------------

TCL_NO_DEPRECATED	    = 1
!else
TCL_NO_DEPRECATED	    = 0
!endif
!if [nmakehlp -f $(CHECKS) "fullwarn"]
!message *** Doing full warnings check
WARNINGS		    = -W4
!if [nmakehlp -l -warn:3]
LINKERFLAGS		    = $(LINKERFLAGS) -warn:3
!endif
!else
WARNINGS		    = -W3
!endif
!if [nmakehlp -f $(CHECKS) "64bit"] && [nmakehlp -c -Wp64]
!message *** Doing 64bit portability warnings
WARNINGS		    = $(WARNINGS) -Wp64
!endif
!endif

!if $(PGO) > 1
!if [nmakehlp -l -ltcg:pgoptimize]
LINKERFLAGS	= $(LINKERFLAGS:-ltcg=) -ltcg:pgoptimize
!else
MSG=^
This compiler does not support profile guided optimization.
!error $(MSG)
!endif
!elseif $(PGO) > 0
!if [nmakehlp -l -ltcg:pginstrument]
LINKERFLAGS	= $(LINKERFLAGS:-ltcg=) -ltcg:pginstrument
!else
MSG=^
This compiler does not support profile guided optimization.
!error $(MSG)
!endif
!endif