LIB =	@LDFLAGS@ @EXTRA_LDFLAGS@ @LIBS@
TCC +=	@EXTRA_CFLAGS@ @CPPFLAGS@ @CFLAGS@ -DHAVE_AUTOCONFIG_H
INSTALLDIR = $(DESTDIR)@prefix@/bin
USE_SYSTEM_SQLITE = @USE_SYSTEM_SQLITE@
FOSSIL_ENABLE_TCL = @FOSSIL_ENABLE_TCL@
FOSSIL_ENABLE_TCL_STUBS = @FOSSIL_ENABLE_TCL_STUBS@
FOSSIL_ENABLE_TCL_FAKE_STUBS = @FOSSIL_ENABLE_TCL_FAKE_STUBS@

include $(SRCDIR)/main.mk

distclean: clean
	rm -f autoconfig.h config.log Makefile

# System autoconfiguration. Try: ./configure --help

use cc cc-lib

options {
    with-openssl:path|auto|none
                          => {Look for openssl in the given path, or auto or none}
    with-zlib:path        => {Look for zlib in the given path}
    with-tcl:path         => {Enable Tcl integration, with Tcl in the specified path}
    with-tcl-stubs=0      => {Enable Tcl integration via stubs library mechanism}
    with-tcl-fake-stubs=0 => {Enable Tcl integration via private stubs mechanism}
    internal-sqlite=1     => {Don't use the internal SQLite, use the system one}
    static=0              => {Link a static executable}
    lineedit=1            => {Disable line editing}
    fossil-debug=0        => {Build with fossil debugging enabled}
    json=0                => {Build with fossil JSON API enabled}
}

# sqlite wants these types if possible
cc-with {-includes {stdint.h inttypes.h}} {
    cc-check-types uint32_t uint16_t int16_t uint8_t
}

        array set tclconfig [parse-tclconfig-sh $tclpath]
        set msg "at $tclpath"
    }
    if {![info exists tclconfig(TCL_INCLUDE_SPEC)]} {
        user-error "Cannot find Tcl $msg"
    }
    set tclstubs [opt-bool with-tcl-stubs]
    set tclfakestubs [opt-bool with-tcl-fake-stubs]
    if {$tclstubs && $tclconfig(TCL_SUPPORTS_STUBS)} {
        set libs "$tclconfig(TCL_STUB_LIB_SPEC)"
        define FOSSIL_ENABLE_TCL_STUBS
        define USE_TCL_STUBS
    } elseif {$tclfakestubs} {
        define FOSSIL_ENABLE_TCL_FAKE_STUBS
        define USE_TCL_STUBS
    } else {
        set libs "$tclconfig(TCL_LIB_SPEC) $tclconfig(TCL_LIBS)"
    }
    set cflags $tclconfig(TCL_INCLUDE_SPEC)
    if {!$tclfakestubs} {
        cc-with [list -cflags $cflags -libs $libs] {
            if {$tclstubs} {
                if {![cc-check-functions Tcl_InitStubs]} {
                    user-error "Cannot find a usable Tcl stubs library $msg"
                }
            } else {
                if {![cc-check-functions Tcl_CreateInterp]} {
                    user-error "Cannot find a usable Tcl library $msg"
                }
            }
        }
    }
    set version $tclconfig(TCL_VERSION)$tclconfig(TCL_PATCH_LEVEL)
    msg-result "Found Tcl $version at $tclconfig(TCL_PREFIX)"
    if {!$tclfakestubs} {
        define-append LIBS $libs
    }
    define-append EXTRA_CFLAGS $cflags
    define-append EXTRA_LDFLAGS $tclconfig(TCL_LD_FLAGS)
    define FOSSIL_ENABLE_TCL
}

*/
struct TclContext {
  int argc;              /* Number of original (expanded) arguments. */
  char **argv;           /* Full copy of the original (expanded) arguments. */
  void *library;         /* The Tcl library module handle. */
  void *xFindExecutable; /* See tcl_FindExecutableProc in th_tcl.c. */
  void *xCreateInterp;   /* See tcl_CreateInterpProc in th_tcl.c. */
  void *xDeleteInterp;   /* See tcl_DeleteInterpProc in th_tcl.c. */
  Tcl_Interp *interp;    /* The on-demand created Tcl interpreter. */
  char *setup;           /* The optional Tcl setup script. */
  void *xPreEval;        /* Optional, called before Tcl_Eval*(). */
  void *pPreContext;     /* Optional, provided to xPreEval(). */
  void *xPostEval;       /* Optional, called after Tcl_Eval*(). */
  void *pPostContext;    /* Optional, provided to xPostEval(). */
};

#### Enable scripting support via Tcl/Tk
#
# FOSSIL_ENABLE_TCL = 1

#### Load Tcl using the stubs mechanism
#
# FOSSIL_ENABLE_TCL_STUBS = 1

#### Load Tcl using the "fake" stubs mechanism
#
# FOSSIL_ENABLE_TCL_FAKE_STUBS = 1

#### Use the Tcl source directory instead of the install directory?
#    This is useful when Tcl has been compiled statically with MinGW.
#
FOSSIL_TCL_SOURCE = 1

#### Check if the workaround for the MinGW command line handling needs to

#    used if the FOSSIL_TCL_SOURCE macro is not defined.
#
TCLINCDIR = $(TCLDIR)/include
TCLLIBDIR = $(TCLDIR)/lib

#### Tcl: Which Tcl library do we want to use (8.4, 8.5, 8.6, etc)?
#
ifdef FOSSIL_ENABLE_TCL_STUBS
ifndef FOSSIL_ENABLE_TCL_FAKE_STUBS
LIBTCL = -ltclstub86
endif
else
LIBTCL = -ltcl86
endif

#### C Compile and options for use in building executables that
#    will run on the target platform.  This is usually the same
#    as BCC, unless you are cross-compiling.  This C compiler builds
#    the finished binary for fossil.  The BCC compiler above is used

ifdef FOSSIL_ENABLE_TCL
TCC += -DFOSSIL_ENABLE_TCL=1
RCC += -DFOSSIL_ENABLE_TCL=1
# Either statically linked or via stubs
ifdef FOSSIL_ENABLE_TCL_STUBS
TCC += -DFOSSIL_ENABLE_TCL_STUBS=1 -DUSE_TCL_STUBS
RCC += -DFOSSIL_ENABLE_TCL_STUBS=1 -DUSE_TCL_STUBS
ifdef FOSSIL_ENABLE_TCL_FAKE_STUBS
TCC += -DFOSSIL_ENABLE_TCL_FAKE_STUBS=1
RCC += -DFOSSIL_ENABLE_TCL_FAKE_STUBS=1
endif
else
TCC += -DSTATIC_BUILD
RCC += -DSTATIC_BUILD
endif
endif

# With JSON support

#  endif /* defined(_WIN32) */
#  ifndef TCL_FINDEXECUTABLE_NAME
#    define TCL_FINDEXECUTABLE_NAME "_Tcl_FindExecutable"
#  endif
#  ifndef TCL_CREATEINTERP_NAME
#    define TCL_CREATEINTERP_NAME "_Tcl_CreateInterp"
#  endif


#  ifndef TCL_DELETEINTERP_NAME

#    define TCL_DELETEINTERP_NAME "_Tcl_DeleteInterp"


#  endif
#endif /* defined(USE_TCL_STUBS) */

/*
** The function types for Tcl_FindExecutable and Tcl_CreateInterp are needed
** when the Tcl library is being loaded dynamically by a stubs-enabled
** application (i.e. the inverse of using a stubs-enabled package).  These are
** the only Tcl API functions that MUST be called prior to being able to call
** Tcl_InitStubs (i.e. because it requires a Tcl interpreter).  For complete
** cleanup if the Tcl stubs initialization fails somehow, the Tcl_DeleteInterp
** function type is also required.
 */
typedef void (tcl_FindExecutableProc) (const char * argv0);
typedef Tcl_Interp *(tcl_CreateInterpProc) (void);
typedef void (tcl_DeleteInterpProc) (Tcl_Interp *interp);

/*
** The function types for the "hook" functions to be called before and after a
** TH1 command makes a call to evaluate a Tcl script.  If the "pre" function
** returns anything but TH_OK, then evaluation of the Tcl script is skipped and
** that value is used as the return code.  If the "post" function returns
** anything other than its rc argument, that will become the new return code
** for the command.
 */
typedef int (tcl_NotifyProc) (
  void *pContext,    /* The context for this notification. */
  Th_Interp *interp, /* The TH1 interpreter being used. */
  void *ctx,         /* The original TH1 command context. */
  int argc,          /* Number of arguments for the TH1 command. */
  const char **argv, /* Array of arguments for the TH1 command. */
  int *argl,         /* Array of lengths for the TH1 command arguments. */
  int rc             /* Recommended notification return value. */
);

/*
** Are we using our own private implementation of the Tcl stubs mechanism?  If
** this is enabled, it prevents the user from having to link against the Tcl
** stubs library for the target platform, which may not be readily available.
 */
#if defined(FOSSIL_ENABLE_TCL_FAKE_STUBS)
/*
** HACK: Using some preprocessor magic and a private static variable, redirect
**       the Tcl API calls [found within this file] to the function pointers
**       that will be contained in our private Tcl stubs table.  This takes
**       advantage of the fact that the Tcl headers always define the Tcl API
**       functions in terms of the "tclStubsPtr" variable.
 */
#define tclStubsPtr privateTclStubsPtr
static const TclStubs *tclStubsPtr = NULL;

/*
** Create a Tcl interpreter structure that mirrors just enough fields to get
** it up and running successfully with our private implementation of the Tcl
** stubs mechanism.
 */
struct PrivateTclInterp {
  char *result;
  Tcl_FreeProc *freeProc;
  int errorLine;
  const struct TclStubs *stubTable;
};

/*
** Fossil can now be compiled without linking to the actual Tcl stubs library.
** In that case, this function will be used to perform those steps that would
** normally be performed within the Tcl stubs library.
 */
static int initTclStubs(
  Th_Interp *interp,
  Tcl_Interp *tclInterp
){
  tclStubsPtr = ((struct PrivateTclInterp *)tclInterp)->stubTable;
  if( !tclStubsPtr || (tclStubsPtr->magic!=TCL_STUB_MAGIC) ){
    Th_ErrorMessage(interp,
        "could not initialize Tcl stubs: incompatible mechanism",
        (const char *)"", 0);
    return TH_ERROR;
  }
  /* NOTE: At this point, the Tcl API functions should be available. */
  if( Tcl_PkgRequireEx(tclInterp, "Tcl", "8.4", 0, (void *)&tclStubsPtr)==0 ){
    Th_ErrorMessage(interp,
        "could not create Tcl interpreter: incompatible version",
        (const char *)"", 0);
    return TH_ERROR;
  }
  return TH_OK;
}
#endif

/*
** Creates and initializes a Tcl interpreter for use with the specified TH1
** interpreter.  Stores the created Tcl interpreter in the Tcl context supplied
** by the caller.  This must be declared here because quite a few functions in
** this file need to use it before it can be defined.
 */
static int createTclInterp(Th_Interp *interp, void *pContext);

*/
struct TclContext {
  int argc;           /* Number of original arguments. */
  char **argv;        /* Full copy of the original arguments. */
  void *library;      /* The Tcl library module handle. */
  tcl_FindExecutableProc *xFindExecutable; /* Tcl_FindExecutable() pointer. */
  tcl_CreateInterpProc *xCreateInterp;     /* Tcl_CreateInterp() pointer. */
  tcl_DeleteInterpProc *xDeleteInterp;     /* Tcl_DeleteInterp() pointer. */
  Tcl_Interp *interp; /* The on-demand created Tcl interpreter. */
  char *setup;        /* The optional Tcl setup script. */
  tcl_NotifyProc *xPreEval;  /* Optional, called before Tcl_Eval*(). */
  void *pPreContext;         /* Optional, provided to xPreEval(). */
  tcl_NotifyProc *xPostEval; /* Optional, called after Tcl_Eval*(). */
  void *pPostContext;        /* Optional, provided to xPostEval(). */
};

** the function pointers provided by the caller with the statically linked
** functions.
 */
static int loadTcl(
  Th_Interp *interp,
  void **pLibrary,
  tcl_FindExecutableProc **pxFindExecutable,
  tcl_CreateInterpProc **pxCreateInterp,
  tcl_DeleteInterpProc **pxDeleteInterp
){
#if defined(USE_TCL_STUBS)
  char fileName[] = TCL_LIBRARY_NAME;
#endif
  if( !pLibrary || !pxFindExecutable || !pxCreateInterp ){
    Th_ErrorMessage(interp,
        "invalid Tcl loader argument(s)", (const char *)"", 0);
    return TH_ERROR;
  }
#if defined(USE_TCL_STUBS)
  do {
    void *library = dlopen(fileName, RTLD_NOW | RTLD_GLOBAL);
    if( library ){
      tcl_FindExecutableProc *xFindExecutable;
      tcl_CreateInterpProc *xCreateInterp;
      tcl_DeleteInterpProc *xDeleteInterp;
      const char *procName = TCL_FINDEXECUTABLE_NAME;
      xFindExecutable = (tcl_FindExecutableProc *)dlsym(library, procName + 1);
      if( !xFindExecutable ){
        xFindExecutable = (tcl_FindExecutableProc *)dlsym(library, procName);
      }
      if( !xFindExecutable ){
        Th_ErrorMessage(interp,

        xCreateInterp = (tcl_CreateInterpProc *)dlsym(library, procName);
      }
      if( !xCreateInterp ){
        Th_ErrorMessage(interp,
            "could not locate Tcl_CreateInterp", (const char *)"", 0);
        dlclose(library);
        return TH_ERROR;
      }
      procName = TCL_DELETEINTERP_NAME;
      xDeleteInterp = (tcl_DeleteInterpProc *)dlsym(library, procName + 1);
      if( !xDeleteInterp ){
        xDeleteInterp = (tcl_DeleteInterpProc *)dlsym(library, procName);
      }
      if( !xDeleteInterp ){
        Th_ErrorMessage(interp,
            "could not locate Tcl_DeleteInterp", (const char *)"", 0);
        dlclose(library);
        return TH_ERROR;
      }
      *pLibrary = library;
      *pxFindExecutable = xFindExecutable;
      *pxCreateInterp = xCreateInterp;
      *pxDeleteInterp = xDeleteInterp;
      return TH_OK;
    }
  } while( --fileName[TCL_MINOR_OFFSET]>'3' ); /* Tcl 8.4+ */
  Th_ErrorMessage(interp,
      "could not load Tcl shared library \"" TCL_LIBRARY_NAME "\"",
      (const char *)"", 0);
  return TH_ERROR;

        "invalid Tcl context", (const char *)"", 0);
    return TH_ERROR;
  }
  if ( tclContext->interp ){
    return TH_OK;
  }
  if( loadTcl(interp, &tclContext->library, &tclContext->xFindExecutable,
      &tclContext->xCreateInterp, &tclContext->xDeleteInterp)!=TH_OK ){
    return TH_ERROR;
  }
  argc = tclContext->argc;
  argv = tclContext->argv;
  if( argc>0 && argv ){
    argv0 = argv[0];
  }
  tclContext->xFindExecutable(argv0);
  tclInterp = tclContext->xCreateInterp();


  if( !tclInterp ){


    Th_ErrorMessage(interp,
        "could not create Tcl interpreter", (const char *)"", 0);
    return TH_ERROR;
  }
#if defined(USE_TCL_STUBS)
#if defined(FOSSIL_ENABLE_TCL_FAKE_STUBS)
  if( initTclStubs(interp, tclInterp)!=TH_OK ){
    tclContext->xDeleteInterp(tclInterp);
    return TH_ERROR;
  }
#else
  if( !Tcl_InitStubs(tclInterp, "8.4", 0) ){
    Th_ErrorMessage(interp,

        "could not initialize Tcl stubs", (const char *)"", 0);
    tclContext->xDeleteInterp(tclInterp);
    return TH_ERROR;
  }

#endif /* defined(FOSSIL_ENABLE_TCL_FAKE_STUBS) */
#endif /* defined(USE_TCL_STUBS) */

  if( Tcl_InterpDeleted(tclInterp) ){
    Th_ErrorMessage(interp,
        "Tcl interpreter appears to be deleted", (const char *)"", 0);
    tclContext->xDeleteInterp(tclInterp); /* TODO: Redundant? */
    return TH_ERROR;
  }
  tclContext->interp = tclInterp;
  if( Tcl_Init(tclInterp)!=TCL_OK ){
    Th_ErrorMessage(interp,
        "Tcl initialization error:", Tcl_GetStringResult(tclInterp), -1);
    Tcl_DeleteInterp(tclInterp);
    tclContext->interp = tclInterp = 0;

#### Enable scripting support via Tcl/Tk
#
# FOSSIL_ENABLE_TCL = 1

#### Load Tcl using the stubs mechanism
#
# FOSSIL_ENABLE_TCL_STUBS = 1

#### Load Tcl using the "fake" stubs mechanism
#
# FOSSIL_ENABLE_TCL_FAKE_STUBS = 1

#### Use the Tcl source directory instead of the install directory?
#    This is useful when Tcl has been compiled statically with MinGW.
#
FOSSIL_TCL_SOURCE = 1

#### Check if the workaround for the MinGW command line handling needs to

#    used if the FOSSIL_TCL_SOURCE macro is not defined.
#
TCLINCDIR = $(TCLDIR)/include
TCLLIBDIR = $(TCLDIR)/lib

#### Tcl: Which Tcl library do we want to use (8.4, 8.5, 8.6, etc)?
#
ifdef FOSSIL_ENABLE_TCL_STUBS
ifndef FOSSIL_ENABLE_TCL_FAKE_STUBS
LIBTCL = -ltclstub86
endif
else
LIBTCL = -ltcl86
endif

#### C Compile and options for use in building executables that
#    will run on the target platform.  This is usually the same
#    as BCC, unless you are cross-compiling.  This C compiler builds
#    the finished binary for fossil.  The BCC compiler above is used

ifdef FOSSIL_ENABLE_TCL
TCC += -DFOSSIL_ENABLE_TCL=1
RCC += -DFOSSIL_ENABLE_TCL=1
# Either statically linked or via stubs
ifdef FOSSIL_ENABLE_TCL_STUBS
TCC += -DFOSSIL_ENABLE_TCL_STUBS=1 -DUSE_TCL_STUBS
RCC += -DFOSSIL_ENABLE_TCL_STUBS=1 -DUSE_TCL_STUBS
ifdef FOSSIL_ENABLE_TCL_FAKE_STUBS
TCC += -DFOSSIL_ENABLE_TCL_FAKE_STUBS=1
RCC += -DFOSSIL_ENABLE_TCL_FAKE_STUBS=1
endif
else
TCC += -DSTATIC_BUILD
RCC += -DSTATIC_BUILD
endif
endif

# With JSON support

#### Enable scripting support via Tcl/Tk
#
FOSSIL_ENABLE_TCL = 1

#### Load Tcl using the stubs mechanism
#
FOSSIL_ENABLE_TCL_STUBS = 1

#### Load Tcl using the "fake" stubs mechanism
#
FOSSIL_ENABLE_TCL_FAKE_STUBS = 1

#### Use the Tcl source directory instead of the install directory?
#    This is useful when Tcl has been compiled statically with MinGW.
#
FOSSIL_TCL_SOURCE = 1

#### Check if the workaround for the MinGW command line handling needs to

#    used if the FOSSIL_TCL_SOURCE macro is not defined.
#
TCLINCDIR = $(TCLDIR)/include
TCLLIBDIR = $(TCLDIR)/lib

#### Tcl: Which Tcl library do we want to use (8.4, 8.5, 8.6, etc)?
#
ifdef FOSSIL_ENABLE_TCL_STUBS
ifndef FOSSIL_ENABLE_TCL_FAKE_STUBS
LIBTCL = -ltclstub86
endif
else
LIBTCL = -ltcl86
endif

#### C Compile and options for use in building executables that
#    will run on the target platform.  This is usually the same
#    as BCC, unless you are cross-compiling.  This C compiler builds
#    the finished binary for fossil.  The BCC compiler above is used

ifdef FOSSIL_ENABLE_TCL
TCC += -DFOSSIL_ENABLE_TCL=1
RCC += -DFOSSIL_ENABLE_TCL=1
# Either statically linked or via stubs
ifdef FOSSIL_ENABLE_TCL_STUBS
TCC += -DFOSSIL_ENABLE_TCL_STUBS=1 -DUSE_TCL_STUBS
RCC += -DFOSSIL_ENABLE_TCL_STUBS=1 -DUSE_TCL_STUBS
ifdef FOSSIL_ENABLE_TCL_FAKE_STUBS
TCC += -DFOSSIL_ENABLE_TCL_FAKE_STUBS=1
RCC += -DFOSSIL_ENABLE_TCL_FAKE_STUBS=1
endif
else
TCC += -DSTATIC_BUILD
RCC += -DSTATIC_BUILD
endif
endif

# With JSON support