diff options
| -rw-r--r-- | doc/SetResult.3 | 28 | ||||
| -rw-r--r-- | doc/coroutine.n | 2 | ||||
| -rw-r--r-- | generic/tcl.decls | 2 | ||||
| -rw-r--r-- | generic/tclDecls.h | 4 | ||||
| -rw-r--r-- | generic/tclOOCall.c | 2 | ||||
| -rw-r--r-- | generic/tclResult.c | 32 | ||||
| -rw-r--r-- | generic/tclStrToD.c | 155 | ||||
| -rw-r--r-- | library/encoding/tis-620.enc | 2 | ||||
| -rw-r--r-- | tests/encoding.test | 15 | ||||
| -rw-r--r-- | tests/expr.test | 66 | ||||
| -rwxr-xr-x | unix/configure | 2 | ||||
| -rw-r--r-- | unix/tcl.m4 | 2 |
12 files changed, 238 insertions, 74 deletions
diff --git a/doc/SetResult.3 b/doc/SetResult.3 index e5b81d7..e50650e 100644 --- a/doc/SetResult.3 +++ b/doc/SetResult.3 @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -.TH Tcl_SetResult 3 8.0 Tcl "Tcl Library Procedures" +.TH Tcl_SetResult 3 8.6 Tcl "Tcl Library Procedures" .so man.macros .BS .SH NAME @@ -31,7 +31,7 @@ const char * \fBTcl_ResetResult\fR(\fIinterp\fR) .sp .VS 8.6 -\fBTcl_TransferResult\fR(\fIsourceInterp, result, targetInterp\fR) +\fBTcl_TransferResult\fR(\fIsourceInterp, code, targetInterp\fR) .VE 8.6 .sp \fBTcl_AppendElement\fR(\fIinterp, element\fR) @@ -58,16 +58,15 @@ An argument list which must have been initialized using \fBva_start\fR, and cleared using \fBva_end\fR. .AP Tcl_Interp *sourceInterp in .VS 8.6 -Interpreter that the result and error information should be copied from. +Interpreter that the result and return options should be transferred from. .VE 8.6 .AP Tcl_Interp *targetInterp in .VS 8.6 -Interpreter that the result and error information should be copied to. +Interpreter that the result and return options should be transferred to. .VE 8.6 -.AP int result in +.AP int code in .VS 8.6 -If \fBTCL_OK\fR, only copy the result. If \fBTCL_ERROR\fR, copy the error -information as well. +Return code value that controls transfer of return options. .VE 8.6 .BE .SH DESCRIPTION @@ -156,10 +155,14 @@ call; the last argument in the list must be a NULL pointer. instead of taking a variable number of arguments it takes an argument list. .PP .VS 8.6 -\fBTcl_TransferResult\fR moves a result from one interpreter to another, -optionally (dependent on the \fIresult\fR parameter) including the error -information dictionary as well. The interpreters must be in the same thread. -The source interpreter will have its result reset by this operation. +\fBTcl_TransferResult\fR transfers interpreter state from \fIsourceInterp\fR +to \fItargetInterp\fR. The two interpreters must have been created in the +same thread. If \fIsourceInterp\fR and \fItargetInterp\fR are the same, +nothing is done. Otherwise, \fBTcl_TransferResult\fR moves the result +from \fIsourceInterp\fR to \fItargetInterp\fR, and resets the result +in \fIsourceInterp\fR. It also moves the return options dictionary as +controlled by the return code value \fIcode\fR in the same manner +as \fBTcl_GetReturnOptions\fR. .VE 8.6 .SH "DEPRECATED INTERFACES" .SS "OLD STRING PROCEDURES" @@ -250,6 +253,7 @@ typedef void \fBTcl_FreeProc\fR( When \fIfreeProc\fR is called, its \fIblockPtr\fR will be set to the value of \fIresult\fR passed to \fBTcl_SetResult\fR. .SH "SEE ALSO" -Tcl_AddErrorInfo, Tcl_CreateObjCommand, Tcl_SetErrorCode, Tcl_Interp +Tcl_AddErrorInfo, Tcl_CreateObjCommand, Tcl_SetErrorCode, Tcl_Interp, +Tcl_GetReturnOptions .SH KEYWORDS append, command, element, list, value, result, return value, interpreter diff --git a/doc/coroutine.n b/doc/coroutine.n index a032d2e..11f9069 100644 --- a/doc/coroutine.n +++ b/doc/coroutine.n @@ -9,7 +9,7 @@ .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME -coroutine, yield, yieldto \- Create and produce values from coroutines +coroutine, yield, yieldto, coroinject, coroprobe \- Create and produce values from coroutines .SH SYNOPSIS .nf \fBcoroutine \fIname command\fR ?\fIarg...\fR? diff --git a/generic/tcl.decls b/generic/tcl.decls index 8555ac2..528938d 100644 --- a/generic/tcl.decls +++ b/generic/tcl.decls @@ -2221,7 +2221,7 @@ declare 606 { # TIP#307 (move results between interpreters) dkf declare 607 { - void Tcl_TransferResult(Tcl_Interp *sourceInterp, int result, + void Tcl_TransferResult(Tcl_Interp *sourceInterp, int code, Tcl_Interp *targetInterp) } diff --git a/generic/tclDecls.h b/generic/tclDecls.h index 4f2d63f..ed1da85 100644 --- a/generic/tclDecls.h +++ b/generic/tclDecls.h @@ -1792,7 +1792,7 @@ EXTERN int Tcl_GetErrorLine(Tcl_Interp *interp); EXTERN void Tcl_SetErrorLine(Tcl_Interp *interp, int lineNum); /* 607 */ EXTERN void Tcl_TransferResult(Tcl_Interp *sourceInterp, - int result, Tcl_Interp *targetInterp); + int code, Tcl_Interp *targetInterp); /* 608 */ EXTERN int Tcl_InterpActive(Tcl_Interp *interp); /* 609 */ @@ -2555,7 +2555,7 @@ typedef struct TclStubs { int (*tcl_ParseArgsObjv) (Tcl_Interp *interp, const Tcl_ArgvInfo *argTable, int *objcPtr, Tcl_Obj *const *objv, Tcl_Obj ***remObjv); /* 604 */ int (*tcl_GetErrorLine) (Tcl_Interp *interp); /* 605 */ void (*tcl_SetErrorLine) (Tcl_Interp *interp, int lineNum); /* 606 */ - void (*tcl_TransferResult) (Tcl_Interp *sourceInterp, int result, Tcl_Interp *targetInterp); /* 607 */ + void (*tcl_TransferResult) (Tcl_Interp *sourceInterp, int code, Tcl_Interp *targetInterp); /* 607 */ int (*tcl_InterpActive) (Tcl_Interp *interp); /* 608 */ void (*tcl_BackgroundException) (Tcl_Interp *interp, int code); /* 609 */ int (*tcl_ZlibDeflate) (Tcl_Interp *interp, int format, Tcl_Obj *data, int level, Tcl_Obj *gzipHeaderDictObj); /* 610 */ diff --git a/generic/tclOOCall.c b/generic/tclOOCall.c index f3474b6..423a41e 100644 --- a/generic/tclOOCall.c +++ b/generic/tclOOCall.c @@ -1677,6 +1677,7 @@ AddPrivatesFromClassChainToCallContext( return 1; } } + /* FALLTHRU */ case 0: return 0; } @@ -1768,6 +1769,7 @@ AddSimpleClassChainToCallContext( privateDanger |= AddSimpleClassChainToCallContext(superPtr, methodNameObj, cbPtr, doneFilters, flags, filterDecl); } + /* FALLTHRU */ case 0: return privateDanger; } diff --git a/generic/tclResult.c b/generic/tclResult.c index 3c856d3..ac1f6dd 100644 --- a/generic/tclResult.c +++ b/generic/tclResult.c @@ -1690,22 +1690,14 @@ Tcl_SetReturnOptions( * * Tcl_TransferResult -- * - * Copy the result (and error information) from one interp to another. + * Transfer the result (and error information) from one interp to another. * Used when one interp has caused another interp to evaluate a script * and then wants to transfer the results back to itself. * - * This routine copies the string reps of the result and error - * information. It does not simply increment the refcounts of the result - * and error information objects themselves. It is not legal to exchange - * objects between interps, because an object may be kept alive by one - * interp, but have an internal rep that is only valid while some other - * interp is alive. - * * Results: - * The target interp's result is set to a copy of the source interp's - * result. The source's errorInfo field may be transferred to the - * target's errorInfo field, and the source's errorCode field may be - * transferred to the target's errorCode field. + * The result of targetInterp is set to the result read from sourceInterp. + * The return options dictionary of sourceInterp is transferred to + * targetInterp as appropriate for the return code value code. * * Side effects: * None. @@ -1715,14 +1707,16 @@ Tcl_SetReturnOptions( void Tcl_TransferResult( - Tcl_Interp *sourceInterp, /* Interp whose result and error information + Tcl_Interp *sourceInterp, /* Interp whose result and return options * should be moved to the target interp. * After moving result, this interp's result * is reset. */ - int result, /* TCL_OK if just the result should be copied, - * TCL_ERROR if both the result and error - * information should be copied. */ - Tcl_Interp *targetInterp) /* Interp where result and error information + int code, /* The return code value active in + * sourceInterp. Controls how the return options + * dictionary is retrieved from sourceInterp, + * same as in Tcl_GetReturnOptions, to then be + * transferred to targetInterp. */ + Tcl_Interp *targetInterp) /* Interp where result and return options * should be stored. If source and target are * the same, nothing is done. */ { @@ -1733,7 +1727,7 @@ Tcl_TransferResult( return; } - if (result == TCL_OK && siPtr->returnOpts == NULL) { + if (code == TCL_OK && siPtr->returnOpts == NULL) { /* * Special optimization for the common case of normal command return * code and no explicit return options. @@ -1745,7 +1739,7 @@ Tcl_TransferResult( } } else { Tcl_SetReturnOptions(targetInterp, - Tcl_GetReturnOptions(sourceInterp, result)); + Tcl_GetReturnOptions(sourceInterp, code)); tiPtr->flags &= ~(ERR_ALREADY_LOGGED); } Tcl_SetObjResult(targetInterp, Tcl_GetObjResult(sourceInterp)); diff --git a/generic/tclStrToD.c b/generic/tclStrToD.c index 9e4e2c9..e4487cb 100644 --- a/generic/tclStrToD.c +++ b/generic/tclStrToD.c @@ -18,6 +18,18 @@ #include <math.h> /* + * Older MSVC has no copysign function, but it's available at least since + * MSVC++ 12.0 (that is Visual Studio 2013). + */ + +#if (defined(_MSC_VER) && (_MSC_VER < 1800)) +inline static double +copysign(double a, double b) { + return _copysign(a, b); +} +#endif + +/* * This code supports (at least hypothetically), IBM, Cray, VAX and IEEE-754 * floating point; of these, only IEEE-754 can represent NaN. IEEE-754 can be * uniquely determined by radix and by the widths of significand and exponent. @@ -289,10 +301,10 @@ static const Tcl_WideUInt wuipow5[27] = { static int AccumulateDecimalDigit(unsigned, int, Tcl_WideUInt *, mp_int *, int); static double MakeHighPrecisionDouble(int signum, - mp_int *significand, int nSigDigs, int exponent); + mp_int *significand, int nSigDigs, long exponent); static double MakeLowPrecisionDouble(int signum, Tcl_WideUInt significand, int nSigDigs, - int exponent); + long exponent); #ifdef IEEE_FLOATING_POINT static double MakeNaN(int signum, Tcl_WideUInt tag); #endif @@ -847,6 +859,7 @@ TclParseNumber( acceptState = state; acceptPoint = p; acceptLen = len; + /* FALLTHRU */ case ZERO_B: zerob: if (c == '0') { @@ -1337,16 +1350,45 @@ TclParseNumber( objPtr->typePtr = &tclDoubleType; if (exponentSignum) { + /* + * At this point exponent>=0, so the following calculation + * cannot underflow. + */ exponent = -exponent; } + + /* + * Adjust the exponent for the number of trailing zeros that + * have not been accumulated, and the number of digits after + * the decimal point. Pin any overflow to LONG_MAX/LONG_MIN + * respectively. + */ + + if (exponent >= 0) { + if (exponent - numDigitsAfterDp > LONG_MAX - numTrailZeros) { + exponent = LONG_MAX; + } else { + exponent = exponent - numDigitsAfterDp + numTrailZeros; + } + } else { + if (exponent + numTrailZeros < LONG_MIN + numDigitsAfterDp) { + exponent = LONG_MIN; + } else { + exponent = exponent + numTrailZeros - numDigitsAfterDp; + } + } + + /* + * The desired number is now significandWide * 10**exponent + * or significandBig * 10**exponent, depending on whether + * the significand has overflowed a wide int. + */ if (!significandOverflow) { objPtr->internalRep.doubleValue = MakeLowPrecisionDouble( - signum, significandWide, numSigDigs, - numTrailZeros + exponent - numDigitsAfterDp); + signum, significandWide, numSigDigs, exponent); } else { objPtr->internalRep.doubleValue = MakeHighPrecisionDouble( - signum, &significandBig, numSigDigs, - numTrailZeros + exponent - numDigitsAfterDp); + signum, &significandBig, numSigDigs, exponent); } break; @@ -1530,9 +1572,9 @@ AccumulateDecimalDigit( static double MakeLowPrecisionDouble( int signum, /* 1 if the number is negative, 0 otherwise */ - Tcl_WideUInt significand, /* Significand of the number. */ - int numSigDigs, /* Number of digits in the significand. */ - int exponent) /* Power of ten. */ + Tcl_WideUInt significand, /* Significand of the number */ + int numSigDigs, /* Number of digits in the significand */ + long exponent) /* Power of ten */ { double retval; /* Value of the number. */ mp_int significandBig; /* Significand expressed as a bignum. */ @@ -1551,6 +1593,9 @@ MakeLowPrecisionDouble( * Test for the easy cases. */ + if (significand == 0) { + return copysign(0.0, -signum); + } if (numSigDigs <= QUICK_MAX) { if (exponent >= 0) { if (exponent <= mmaxpow) { @@ -1643,10 +1688,10 @@ MakeLowPrecisionDouble( static double MakeHighPrecisionDouble( - int signum, /* 1=negative, 0=nonnegative. */ - mp_int *significand, /* Exact significand of the number. */ - int numSigDigs, /* Number of significant digits. */ - int exponent) /* Power of 10 by which to multiply. */ + int signum, /* 1=negative, 0=nonnegative */ + mp_int *significand, /* Exact significand of the number */ + int numSigDigs, /* Number of significant digits */ + long exponent) /* Power of 10 by which to multiply */ { double retval; int machexp; /* Machine exponent of a power of 10. */ @@ -1662,15 +1707,18 @@ MakeHighPrecisionDouble( TCL_IEEE_DOUBLE_ROUNDING; /* - * Quick checks for over/underflow. + * Quick checks for zero, and over/underflow. Be careful to avoid + * integer overflow when calculating with 'exponent'. */ - if (numSigDigs+exponent-1 > maxDigits) { + if (mp_iszero(significand)) { + return copysign(0.0, -signum); + } + if (exponent >= 0 && exponent-1 > maxDigits-numSigDigs) { retval = HUGE_VAL; goto returnValue; - } - if (numSigDigs+exponent-1 < minDigits) { - retval = 0; + } else if (exponent < 0 && numSigDigs+exponent < minDigits+1) { + retval = 0.0; goto returnValue; } @@ -1805,6 +1853,9 @@ RefineApproximation( * "round to even" functionality */ double rteSignificand; /* Significand of the round-to-even result */ int rteExponent; /* Exponent of the round-to-even result */ + int shift; /* Shift count for converting numerator + * and denominator of corrector to floating + * point */ Tcl_WideInt rteSigWide; /* Wide integer version of the significand * for testing evenness */ int i; @@ -1817,13 +1868,22 @@ RefineApproximation( if (approxResult == HUGE_VAL) { return approxResult; } + significand = frexp(approxResult, &binExponent); /* - * Find a common denominator for the decimal and binary fractions. The - * common denominator will be 2**M2 + 5**M5. + * We are trying to compute a corrector term that, when added to the + * approximate result, will yield close to the exact result. + * The exact result is exactSignificand * 10**exponent. + * The approximate result is significand * 2**binExponent + * If exponent<0, we need to multiply the exact value by 10**-exponent + * to make it an integer, plus another factor of 2 to decide on rounding. + * Similarly if binExponent<FP_PRECISION, we need + * to multiply by 2**FP_PRECISION to make the approximate value an integer. + * + * Let M = 2**M2 * 5**M5 be the least common multiple of these two + * multipliers. */ - significand = frexp(approxResult, &binExponent); i = mantBits - binExponent; if (i < 0) { M2 = 0; @@ -1840,12 +1900,9 @@ RefineApproximation( } /* - * The floating point number is significand*2**binExponent. Compute the - * large integer significand*2**(binExponent+M2+1). The 2**-1 bit of the - * significand (the most significant) corresponds to the - * 2**(binExponent+M2 + 1) bit of 2*M2*v. Allocate enough digits to hold - * that quantity, then convert the significand to a large integer, scaled - * appropriately. Then multiply by the appropriate power of 5. + * Compute twoMv as 2*M*v, where v is the approximate value. + * This is done by bit-whacking to calculate 2**(M2+1)*significand, + * and then multiplying by 5**M5. */ msb = binExponent + M2; /* 1008 */ @@ -1866,10 +1923,9 @@ RefineApproximation( } /* - * Collect the decimal significand as a high precision integer. The least - * significant bit corresponds to bit M2+exponent+1 so it will need to be - * shifted left by that many bits after being multiplied by - * 5**(M5+exponent). + * Compute twoMd as 2*M*d, where d is the exact value. + * This is done by multiplying by 5**(M5+exponent) and then multiplying + * by 2**(M5+exponent+1), which is, of couse, a left shift. */ mp_init_copy(&twoMd, exactSignificand); @@ -1879,16 +1935,22 @@ RefineApproximation( } } mp_mul_2d(&twoMd, M2+exponent+1, &twoMd); + + /* + * Now let twoMd = twoMd - twoMv, the difference between the exact and + * approximate values. + */ + mp_sub(&twoMd, &twoMv, &twoMd); /* * The result, 2Mv-2Md, needs to be divided by 2M to yield a correction * term. Because 2M may well overflow a double, we need to scale the - * denominator by a factor of 2**binExponent-mantBits. + * denominator by a factor of 2**binExponent-mantBits. Place that factor + * times 1/2 ULP into twoMd. */ scale = binExponent - mantBits - 1; - mp_set_u64(&twoMv, 1); for (i=0; i<=8; ++i) { if (M5 & (1 << i)) { @@ -1902,25 +1964,36 @@ RefineApproximation( mp_div_2d(&twoMv, -multiplier, &twoMv, NULL); } + /* + * Will the eventual correction term be less than, equal to, or + * greater than 1/2 ULP? + */ + switch (mp_cmp_mag(&twoMd, &twoMv)) { case MP_LT: /* - * If the result is less than unity, the error is less than 1/2 unit in - * the last place, so there's no correction to make. + * If the error is less than 1/2 ULP, there's no correction to make. */ mp_clear(&twoMd); mp_clear(&twoMv); return approxResult; case MP_EQ: /* - * If the result is exactly unity, we need to round to even. + * If the error is exactly 1/2 ULP, we need to round to even. */ roundToEven = 1; break; case MP_GT: + /* + * We need to correct the result if the error exceeds 1/2 ULP. + */ break; } + /* + * If we're in the 'round to even' case, and the significand is already + * even, we're done. Return the approximate result. + */ if (roundToEven) { rteSignificand = frexp(approxResult, &rteExponent); rteSigWide = (Tcl_WideInt) ldexp(rteSignificand, FP_PRECISION); @@ -1931,6 +2004,16 @@ RefineApproximation( } } + /* + * Reduce the numerator and denominator of the corrector term so that + * they will fit in the floating point precision. + */ + shift = mp_count_bits(&twoMv) - FP_PRECISION - 1; + if (shift > 0) { + mp_div_2d(&twoMv, shift, &twoMv, NULL); + mp_div_2d(&twoMd, shift, &twoMd, NULL); + } + /* * Convert the numerator and denominator of the corrector term accurately * to floating point numbers. diff --git a/library/encoding/tis-620.enc b/library/encoding/tis-620.enc index c233be5..2e9142a 100644 --- a/library/encoding/tis-620.enc +++ b/library/encoding/tis-620.enc @@ -17,4 +17,4 @@ S 0E200E210E220E230E240E250E260E270E280E290E2A0E2B0E2C0E2D0E2E0E2F 0E300E310E320E330E340E350E360E370E380E390E3A00000000000000000E3F 0E400E410E420E430E440E450E460E470E480E490E4A0E4B0E4C0E4D0E4E0E4F -0E500E510E520E530E540E550E560E570E580E590E5A0E5B0000000000000000
\ No newline at end of file +0E500E510E520E530E540E550E560E570E580E590E5A0E5B0000000000000000 diff --git a/tests/encoding.test b/tests/encoding.test index 643d493..7f95279 100644 --- a/tests/encoding.test +++ b/tests/encoding.test @@ -717,6 +717,21 @@ test encoding-27.2 {encoding dirs basic behavior} -returnCodes error -body { } -result "expected directory list but got \"\{not a list\"" } + + +test encoding-28.0 {all encodings load} -body { + set string hello + foreach name [encoding names] { + incr count + encoding convertto $name $string + + # discard the cached internal representation of Tcl_Encoding + # Unfortunately, without this, encoding 2-1 fails. + llength $name + } + return $count +} -result 81 + runtests } diff --git a/tests/expr.test b/tests/expr.test index bc01c03..4724ee1 100644 --- a/tests/expr.test +++ b/tests/expr.test @@ -6822,6 +6822,72 @@ test expr-41.2 {exponent underflow} { expr 1.0e-2147483630 } 0.0 +test expr-41.3 {exponent overflow} { + expr 1e2147483647 +} Inf +test expr-41.4 {exponent overflow} { + expr 1e2147483648 +} Inf +test expr-41.5 {exponent overflow} { + expr 100e2147483645 +} Inf +test expr-41.6 {exponent overflow} { + expr 100e2147483646 +} Inf +test expr-41.7 {exponent overflow} { + expr 1.0e2147483647 +} Inf +test expr-41.8 {exponent overflow} { + expr 1.0e2147483648 +} Inf +test expr-41.9 {exponent overflow} { + expr 1.2e2147483647 +} Inf +test expr-41.10 {exponent overflow} { + expr 1.2e2147483648 +} Inf + +test expr-41.11 {exponent overflow} { + expr 1e-2147483648 +} 0.0 +test expr-41.12 {exponent overflow} { + expr 1e-2147483649 +} 0.0 +test expr-41.13 {exponent overflow} { + expr 100e-2147483650 +} 0.0 +test expr-41.14 {exponent overflow} { + expr 100e-2147483651 +} 0.0 +test expr-41.15 {exponent overflow} { + expr 1.0e-2147483648 +} 0.0 +test expr-41.16 {exponent overflow} { + expr 1.0e-2147483649 +} 0.0 +test expr-41.17 {exponent overflow} { + expr 1.23e-2147483646 +} 0.0 +test expr-41.18 {exponent overflow} { + expr 1.23e-2147483647 +} 0.0 + +test expr-41.19 {numSigDigs == 0} { + expr 0e309 +} 0.0 +test expr-41.20 {numSigDigs == 0} { + expr 0e310 +} 0.0 +test expr-41.21 {negative zero, large exponent} { + expr -0e309 +} -0.0 +test expr-41.22 {negative zero, large exponent} { + expr -0e310 +} -0.0 +test expr-41.23 {floating point overflow on significand (Bug 1de6b0629e)} { + expr 123[string repeat 0 309]1e-310 +} 123.0 + test expr-42.1 {denormals} ieeeFloatingPoint { expr 7e-324 } 5e-324 diff --git a/unix/configure b/unix/configure index 4a5ebe6..1098ba8 100755 --- a/unix/configure +++ b/unix/configure @@ -6629,7 +6629,7 @@ fi # it is already set when tclConfig.sh had been loaded by Tk. if test "x${TCL_LIBS}" = x; then : - TCL_LIBS="${DL_LIBS} ${LIBS} ${LDFLAGS} ${MATH_LIBS}" + TCL_LIBS="${DL_LIBS} ${LIBS} ${MATH_LIBS}" fi diff --git a/unix/tcl.m4 b/unix/tcl.m4 index 3758a10..9c88a42 100644 --- a/unix/tcl.m4 +++ b/unix/tcl.m4 @@ -1851,7 +1851,7 @@ dnl # preprocessing tests use only CPPFLAGS. # The trick here is that we don't want to change the value of TCL_LIBS if # it is already set when tclConfig.sh had been loaded by Tk. AS_IF([test "x${TCL_LIBS}" = x], [ - TCL_LIBS="${DL_LIBS} ${LIBS} ${LDFLAGS} ${MATH_LIBS}"]) + TCL_LIBS="${DL_LIBS} ${LIBS} ${MATH_LIBS}"]) AC_SUBST(TCL_LIBS) # See if the compiler supports casting to a union type. |