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Merge pull request #700 from davydden/oce_bug_fix

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oce: fix bugs related to NULL pointers and compiler optimisation
This commit is contained in:
Todd Gamblin 2016-03-31 09:42:28 -07:00
commit a6b87ee144
3 changed files with 502 additions and 5 deletions
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1
var/spack/repos/builtin/packages/dealii/package.py
View File

@ -235,5 +235,4 @@ def install(self, spec, prefix):
if 'oce' in spec:
cmake('.')
make('release')
if sys.platform != 'darwin': #FIXME
make('run',parallel=False)

482
var/spack/repos/builtin/packages/oce/null.patch Normal file
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@ -0,0 +1,482 @@
From 61cb965b9ffeca419005bc15e635e67589c421dd Mon Sep 17 00:00:00 2001
From: Martin Siggel <martin.siggel@dlr.de>
Date: Thu, 28 Jan 2016 19:05:00 +0100
Subject: [PATCH] Workaround clang optimizations for null references
OCCT/OCE includes some evil code that uses NULL references,
which are normally not possible. Clang removes code in
branches like if(&myNullRef==NULL) as it assumes this can
never be true. This fix was inspired from the mantis issue
http://tracker.dev.opencascade.org/view.php?id=26042. This
code will be fixed in OCCT 7, but we might require the fix
for earlier releases as well.
Fixes issue #576
---
inc/PLib.hxx | 2 +-
src/BSplCLib/BSplCLib.cxx | 16 ++++++-------
src/BSplCLib/BSplCLib_2.cxx | 6 ++---
src/BSplCLib/BSplCLib_CurveComputation.gxx | 26 ++++++++++-----------
src/BSplSLib/BSplSLib.cxx | 36 +++++++++++++++---------------
src/BSplSLib/BSplSLib_BzSyntaxes.cxx | 2 +-
src/PLib/PLib.cxx | 10 ++++-----
7 files changed, 49 insertions(+), 49 deletions(-)
diff --git a/inc/PLib.hxx b/inc/PLib.hxx
index 7513234..52b1f84 100644
--- a/inc/PLib.hxx
+++ b/inc/PLib.hxx
@@ -343,6 +343,6 @@ friend class PLib_DoubleJacobiPolynomial;
-
+#define IS_NULL_REF(ref) ((reinterpret_cast<size_t>(&ref) & 0xFFFFFF) == 0)
#endif // _PLib_HeaderFile
diff --git a/src/BSplCLib/BSplCLib.cxx b/src/BSplCLib/BSplCLib.cxx
index 683e4ab..2a2d9ea 100644
--- a/src/BSplCLib/BSplCLib.cxx
+++ b/src/BSplCLib/BSplCLib.cxx
@@ -298,7 +298,7 @@ void BSplCLib::LocateParameter
Standard_Real& NewU)
{
Standard_Integer first,last;
- if (&Mults) {
+ if (!IS_NULL_REF(Mults)) {
if (Periodic) {
first = Knots.Lower();
last = Knots.Upper();
@@ -1434,7 +1434,7 @@ void BSplCLib::BuildKnots(const Standard_Integer Degree,
const Standard_Real * pkn = &Knots(KLower);
pkn -= KLower;
Standard_Real *knot = &LK;
- if (&Mults == NULL) {
+ if (IS_NULL_REF(Mults)) {
switch (Degree) {
case 1 : {
Standard_Integer j = Index ;
@@ -1672,7 +1672,7 @@ Standard_Boolean BSplCLib::PrepareInsertKnots
const Standard_Real Tolerance,
const Standard_Boolean Add)
{
- Standard_Boolean addflat = &AddMults == NULL;
+ Standard_Boolean addflat = IS_NULL_REF(AddMults);
Standard_Integer first,last;
if (Periodic) {
@@ -1856,7 +1856,7 @@ void BSplCLib::InsertKnots
const Standard_Real Tolerance,
const Standard_Boolean Add)
{
- Standard_Boolean addflat = &AddMults == NULL;
+ Standard_Boolean addflat = IS_NULL_REF(AddMults);
Standard_Integer i,k,mult,firstmult;
Standard_Integer index,kn,curnk,curk;
@@ -3902,7 +3902,7 @@ void BSplCLib::Resolution( Standard_Real& Poles,
num_poles = FlatKnots.Length() - Deg1;
switch (ArrayDimension) {
case 2 : {
- if (&Weights != NULL) {
+ if (!IS_NULL_REF(Weights)) {
const Standard_Real * WG = &Weights(Weights.Lower());
min_weights = WG[0];
@@ -3970,7 +3970,7 @@ void BSplCLib::Resolution( Standard_Real& Poles,
break;
}
case 3 : {
- if (&Weights != NULL) {
+ if (!IS_NULL_REF(Weights)) {
const Standard_Real * WG = &Weights(Weights.Lower());
min_weights = WG[0];
@@ -4047,7 +4047,7 @@ void BSplCLib::Resolution( Standard_Real& Poles,
break;
}
case 4 : {
- if (&Weights != NULL) {
+ if (!IS_NULL_REF(Weights)) {
const Standard_Real * WG = &Weights(Weights.Lower());
min_weights = WG[0];
@@ -4134,7 +4134,7 @@ void BSplCLib::Resolution( Standard_Real& Poles,
}
default : {
Standard_Integer kk;
- if (&Weights != NULL) {
+ if (!IS_NULL_REF(Weights)) {
const Standard_Real * WG = &Weights(Weights.Lower());
min_weights = WG[0];
diff --git a/src/BSplCLib/BSplCLib_2.cxx b/src/BSplCLib/BSplCLib_2.cxx
index 35c4639..653b7cd 100644
--- a/src/BSplCLib/BSplCLib_2.cxx
+++ b/src/BSplCLib/BSplCLib_2.cxx
@@ -70,7 +70,7 @@ void BSplCLib::BuildEval(const Standard_Integer Degree,
Standard_Integer i;
Standard_Integer ip = PLower + Index - 1;
Standard_Real w, *pole = &LP;
- if (&Weights == NULL) {
+ if (IS_NULL_REF(Weights)) {
for (i = 0; i <= Degree; i++) {
ip++;
@@ -115,13 +115,13 @@ static void PrepareEval
// make the knots
BSplCLib::BuildKnots(Degree,index,Periodic,Knots,Mults,*dc.knots);
- if (&Mults == NULL)
+ if (IS_NULL_REF(Mults))
index -= Knots.Lower() + Degree;
else
index = BSplCLib::PoleIndex(Degree,index,Periodic,Mults);
// check truly rational
- rational = (&Weights != NULL);
+ rational = (!IS_NULL_REF(Weights));
if (rational) {
Standard_Integer WLower = Weights.Lower() + index;
rational = BSplCLib::IsRational(Weights, WLower, WLower + Degree);
diff --git a/src/BSplCLib/BSplCLib_CurveComputation.gxx b/src/BSplCLib/BSplCLib_CurveComputation.gxx
index e71b4e0..9d42643 100644
--- a/src/BSplCLib/BSplCLib_CurveComputation.gxx
+++ b/src/BSplCLib/BSplCLib_CurveComputation.gxx
@@ -92,7 +92,7 @@ Standard_Boolean BSplCLib::RemoveKnot
TColStd_Array1OfInteger& NewMults,
const Standard_Real Tolerance)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim;
dim = Dimension_gen;
if (rational) dim++;
@@ -133,7 +133,7 @@ void BSplCLib::InsertKnots
const Standard_Real Epsilon,
const Standard_Boolean Add)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim;
dim = Dimension_gen;
if (rational) dim++;
@@ -222,7 +222,7 @@ void BSplCLib::IncreaseDegree
TColStd_Array1OfReal& NewKnots,
TColStd_Array1OfInteger& NewMults)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim;
dim = Dimension_gen;
if (rational) dim++;
@@ -256,7 +256,7 @@ void BSplCLib::Unperiodize
Array1OfPoints& NewPoles,
TColStd_Array1OfReal& NewWeights)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim;
dim = Dimension_gen;
if (rational) dim++;
@@ -292,7 +292,7 @@ void BSplCLib::Trimming(const Standard_Integer Degree,
Array1OfPoints& NewPoles,
TColStd_Array1OfReal& NewWeights)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim;
dim = Dimension_gen;
if (rational) dim++;
@@ -339,7 +339,7 @@ void BSplCLib::BuildEval(const Standard_Integer Degree,
Standard_Integer PUpper = Poles.Upper();
Standard_Integer i;
Standard_Integer ip = PLower + Index - 1;
- if (&Weights == NULL) {
+ if (IS_NULL_REF(Weights)) {
for (i = 0; i <= Degree; i++) {
ip++;
if (ip > PUpper) ip = PLower;
@@ -384,13 +384,13 @@ static void PrepareEval
// make the knots
BSplCLib::BuildKnots(Degree,index,Periodic,Knots,Mults,*dc.knots);
- if (&Mults == NULL)
+ if (IS_NULL_REF(Mults))
index -= Knots.Lower() + Degree;
else
index = BSplCLib::PoleIndex(Degree,index,Periodic,Mults);
// check truly rational
- rational = (&Weights != NULL);
+ rational = (!IS_NULL_REF(Weights));
if (rational) {
Standard_Integer WLower = Weights.Lower() + index;
rational = BSplCLib::IsRational(Weights, WLower, WLower + Degree);
@@ -741,7 +741,7 @@ void BSplCLib::CacheD0(const Standard_Real Parameter,
Degree * Dimension_gen,
PArray[0],
myPoint[0]) ;
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
Standard_Real *
WArray = (Standard_Real *) &WeightsArray(WeightsArray.Lower()) ;
PLib::NoDerivativeEvalPolynomial(NewParameter,
@@ -798,7 +798,7 @@ void BSplCLib::CacheD1(const Standard_Real Parameter,
ModifyCoords (LocalPDerivatives + Dimension_gen, /= SpanLenght);
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
Standard_Real *
WArray = (Standard_Real *) &WeightsArray(WeightsArray.Lower()) ;
PLib::EvalPolynomial(NewParameter,
@@ -878,7 +878,7 @@ void BSplCLib::CacheD2(const Standard_Real Parameter,
Index += Dimension_gen;
}
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
Standard_Real *
WArray = (Standard_Real *) &WeightsArray(WeightsArray.Lower()) ;
@@ -971,7 +971,7 @@ void BSplCLib::CacheD3(const Standard_Real Parameter,
Index += Dimension_gen;
}
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
Standard_Real *
WArray = (Standard_Real *) &WeightsArray(WeightsArray.Lower()) ;
@@ -1081,7 +1081,7 @@ void BSplCLib::BuildCache
LocalValue *= SpanDomain / (Standard_Real) ii ;
}
- if (&Weights != NULL) {
+ if (!IS_NULL_REF(Weights)) {
for (ii = 1 ; ii <= Degree + 1 ; ii++)
CacheWeights(ii) = 0.0e0 ;
CacheWeights(1) = 1.0e0 ;
diff --git a/src/BSplSLib/BSplSLib.cxx b/src/BSplSLib/BSplSLib.cxx
index 5ad633c..07040d5 100644
--- a/src/BSplSLib/BSplSLib.cxx
+++ b/src/BSplSLib/BSplSLib.cxx
@@ -309,12 +309,12 @@ static Standard_Boolean PrepareEval (const Standard_Real U,
BSplCLib::BuildKnots(UDegree,uindex,UPer,UKnots,UMults,*dc.knots1);
BSplCLib::BuildKnots(VDegree,vindex,VPer,VKnots,VMults,*dc.knots2);
- if (&UMults == NULL)
+ if (IS_NULL_REF(UMults))
uindex -= UKLower + UDegree;
else
uindex = BSplCLib::PoleIndex(UDegree,uindex,UPer,UMults);
- if (&VMults == NULL)
+ if (IS_NULL_REF(VMults))
vindex -= VKLower + VDegree;
else
vindex = BSplCLib::PoleIndex(VDegree,vindex,VPer,VMults);
@@ -460,12 +460,12 @@ static Standard_Boolean PrepareEval (const Standard_Real U,
BSplCLib::BuildKnots(UDegree,uindex,UPer,UKnots,UMults,*dc.knots2);
BSplCLib::BuildKnots(VDegree,vindex,VPer,VKnots,VMults,*dc.knots1);
- if (&UMults == NULL)
+ if (IS_NULL_REF(UMults))
uindex -= UKLower + UDegree;
else
uindex = BSplCLib::PoleIndex(UDegree,uindex,UPer,UMults);
- if (&VMults == NULL)
+ if (IS_NULL_REF(VMults))
vindex -= VKLower + VDegree;
else
vindex = BSplCLib::PoleIndex(VDegree,vindex,VPer,VMults);
@@ -1299,7 +1299,7 @@ void BSplSLib::Iso(const Standard_Real Param,
{
Standard_Integer index = 0;
Standard_Real u = Param;
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim = rational ? 4 : 3;
// compute local knots
@@ -1307,7 +1307,7 @@ void BSplSLib::Iso(const Standard_Real Param,
NCollection_LocalArray<Standard_Real> locknots1 (2*Degree);
BSplCLib::LocateParameter(Degree,Knots,Mults,u,Periodic,index,u);
BSplCLib::BuildKnots(Degree,index,Periodic,Knots,Mults,*locknots1);
- if (&Mults == NULL)
+ if (IS_NULL_REF(Mults))
index -= Knots.Lower() + Degree;
else
index = BSplCLib::PoleIndex(Degree,index,Periodic,Mults);
@@ -1381,7 +1381,7 @@ void BSplSLib::Iso(const Standard_Real Param,
}
// if the input is not rational but weights are wanted
- if (!rational && (&CWeights != NULL)) {
+ if (!rational && (!IS_NULL_REF(CWeights))) {
for (i = CWeights.Lower(); i <= CWeights.Upper(); i++)
CWeights(i) = 1.;
@@ -1741,7 +1741,7 @@ void BSplSLib::InsertKnots(const Standard_Boolean UDirection,
const Standard_Real Epsilon,
const Standard_Boolean Add )
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim = 3;
if (rational) dim++;
@@ -1787,7 +1787,7 @@ Standard_Boolean BSplSLib::RemoveKnot
TColStd_Array1OfInteger& NewMults,
const Standard_Real Tolerance)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim = 3;
if (rational) dim++;
@@ -1834,7 +1834,7 @@ void BSplSLib::IncreaseDegree
TColStd_Array1OfReal& NewKnots,
TColStd_Array1OfInteger& NewMults)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim = 3;
if (rational) dim++;
@@ -1876,7 +1876,7 @@ void BSplSLib::Unperiodize
TColgp_Array2OfPnt& NewPoles,
TColStd_Array2OfReal& NewWeights)
{
- Standard_Boolean rational = &Weights != NULL;
+ Standard_Boolean rational = !IS_NULL_REF(Weights);
Standard_Integer dim = 3;
if (rational) dim++;
@@ -1929,7 +1929,7 @@ void BSplSLib::BuildCache
Standard_Boolean rational,rational_u,rational_v,flag_u_or_v;
Standard_Integer kk,d1,d1p1,d2,d2p1,ii,jj,iii,jjj,Index;
Standard_Real u1,min_degree_domain,max_degree_domain,f,factor[2],u2;
- if (&Weights != NULL)
+ if (!IS_NULL_REF(Weights))
rational_u = rational_v = Standard_True;
else
rational_u = rational_v = Standard_False;
@@ -2025,7 +2025,7 @@ void BSplSLib::BuildCache
}
factor[0] *= max_degree_domain / (Standard_Real) (iii) ;
}
- if (&Weights != NULL) {
+ if (!IS_NULL_REF(Weights)) {
//
// means that PrepareEval did found out that the surface was
// locally polynomial but since the surface is constructed
@@ -2110,7 +2110,7 @@ void BSplSLib::CacheD0(const Standard_Real UParameter,
(min_degree << 1) + min_degree,
locpoles[0],
myPoint[0]) ;
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
dimension = min_degree + 1 ;
Standard_Real *
WArray = (Standard_Real *)
@@ -2190,7 +2190,7 @@ void BSplSLib::CacheD1(const Standard_Real UParameter,
// the coefficients
//
//
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
local_poles_array [0][0][0] = 0.0e0 ;
local_poles_array [0][0][1] = 0.0e0 ;
@@ -2275,7 +2275,7 @@ void BSplSLib::CacheD1(const Standard_Real UParameter,
locpoles[dimension],
local_poles_array[1][0][0]) ;
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
dimension = min_degree + 1 ;
Standard_Real *
WArray = (Standard_Real *)
@@ -2435,7 +2435,7 @@ void BSplSLib::CacheD2(const Standard_Real UParameter,
// the coefficients
//
//
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
local_poles_and_weights_array[0][0][0] = 0.0e0 ;
local_poles_and_weights_array[0][0][1] = 0.0e0 ;
@@ -2564,7 +2564,7 @@ void BSplSLib::CacheD2(const Standard_Real UParameter,
locpoles[dimension + dimension],
local_poles_array[2][0][0]) ;
- if (&WeightsArray != NULL) {
+ if (!IS_NULL_REF(WeightsArray)) {
dimension = min_degree + 1 ;
Standard_Real *
WArray = (Standard_Real *)
diff --git a/src/BSplSLib/BSplSLib_BzSyntaxes.cxx b/src/BSplSLib/BSplSLib_BzSyntaxes.cxx
index 0faf6b6..f2c0f74 100644
--- a/src/BSplSLib/BSplSLib_BzSyntaxes.cxx
+++ b/src/BSplSLib/BSplSLib_BzSyntaxes.cxx
@@ -68,7 +68,7 @@ void BSplSLib::PolesCoefficients (const TColgp_Array2OfPnt& Poles,
biduflatknots,bidvflatknots,
Poles,Weights,
CPoles,CWeights);
- if (&Weights == NULL) {
+ if (IS_NULL_REF(Weights)) {
for (ii = 1; ii <= uclas; ii++) {
diff --git a/src/PLib/PLib.cxx b/src/PLib/PLib.cxx
index 23fa302..7ee231f 100644
--- a/src/PLib/PLib.cxx
+++ b/src/PLib/PLib.cxx
@@ -2427,7 +2427,7 @@ void PLib::CoefficientsPoles (const Standard_Integer dim,
TColStd_Array1OfReal& Poles,
TColStd_Array1OfReal& Weights)
{
- Standard_Boolean rat = &WCoefs != NULL;
+ Standard_Boolean rat = !IS_NULL_REF(WCoefs);
Standard_Integer loc = Coefs.Lower();
Standard_Integer lop = Poles.Lower();
Standard_Integer lowc=0;
@@ -2550,7 +2550,7 @@ void PLib::Trimming(const Standard_Real U1,
Standard_Integer indc, indw=0;
Standard_Integer upc = Coefs.Upper() - dim + 1, upw=0;
Standard_Integer len = Coefs.Length()/dim;
- Standard_Boolean rat = &WCoefs != NULL;
+ Standard_Boolean rat = !IS_NULL_REF(WCoefs);
if (rat) {
if(len != WCoefs.Length())
@@ -2607,7 +2607,7 @@ void PLib::CoefficientsPoles (const TColgp_Array2OfPnt& Coefs,
TColgp_Array2OfPnt& Poles,
TColStd_Array2OfReal& Weights)
{
- Standard_Boolean rat = (&WCoefs != NULL);
+ Standard_Boolean rat = (!IS_NULL_REF(WCoefs));
Standard_Integer LowerRow = Poles.LowerRow();
Standard_Integer UpperRow = Poles.UpperRow();
Standard_Integer LowerCol = Poles.LowerCol();
@@ -2701,7 +2701,7 @@ void PLib::UTrimming(const Standard_Real U1,
TColgp_Array2OfPnt& Coeffs,
TColStd_Array2OfReal& WCoeffs)
{
- Standard_Boolean rat = &WCoeffs != NULL;
+ Standard_Boolean rat = !IS_NULL_REF(WCoeffs);
Standard_Integer lr = Coeffs.LowerRow();
Standard_Integer ur = Coeffs.UpperRow();
Standard_Integer lc = Coeffs.LowerCol();
@@ -2735,7 +2735,7 @@ void PLib::VTrimming(const Standard_Real V1,
TColgp_Array2OfPnt& Coeffs,
TColStd_Array2OfReal& WCoeffs)
{
- Standard_Boolean rat = &WCoeffs != NULL;
+ Standard_Boolean rat = !IS_NULL_REF(WCoeffs);
Standard_Integer lr = Coeffs.LowerRow();
Standard_Integer ur = Coeffs.UpperRow();
Standard_Integer lc = Coeffs.LowerCol();

22
var/spack/repos/builtin/packages/oce/package.py
View File

@ -13,9 +13,20 @@ class Oce(Package):
version('0.17' , 'f1a89395c4b0d199bea3db62b85f818d')
version('0.16.1', '4d591b240c9293e879f50d86a0cb2bb3')
version('0.16' , '7a4b4df5a104d75a537e25e7dd387eca')
version('0.15' , '7ec541a1c350ca8a684f74980e48801c')
variant('tbb', default=True, description='Build with Intel Threading Building Blocks')
depends_on('cmake@2.8:')
depends_on('tbb', when='+tbb')
# There is a bug in OCE which appears with Clang (version?) or GCC 6.0
# and has to do with compiler optimization, see
# https://github.com/tpaviot/oce/issues/576
# http://tracker.dev.opencascade.org/view.php?id=26042
# https://github.com/tpaviot/oce/issues/605
# https://github.com/tpaviot/oce/commit/61cb965b9ffeca419005bc15e635e67589c421dd.patch
patch('null.patch',when='@0.16:0.17.1')
def install(self, spec, prefix):
options = []
@ -23,12 +34,12 @@ def install(self, spec, prefix):
options.extend([
'-DOCE_INSTALL_PREFIX=%s' % prefix,
'-DOCE_BUILD_SHARED_LIB:BOOL=ON',
'-DOCE_BUILD_TYPE:STRING=Release',
'-DCMAKE_BUILD_TYPE:STRING=Release',
'-DOCE_DATAEXCHANGE:BOOL=ON',
'-DOCE_DISABLE_X11:BOOL=ON',
'-DOCE_DRAW:BOOL=OFF',
'-DOCE_MODEL:BOOL=ON',
'-DOCE_MULTITHREAD_LIBRARY:STRING=NONE', # FIXME: add tbb
'-DOCE_MULTITHREAD_LIBRARY:STRING=%s' % ('TBB' if '+tbb' in spec else 'NONE'),
'-DOCE_OCAF:BOOL=ON',
'-DOCE_USE_TCL_TEST_FRAMEWORK:BOOL=OFF',
'-DOCE_VISUALISATION:BOOL=OFF',
@ -46,6 +57,11 @@ def install(self, spec, prefix):
make("install/strip")
# OCE tests build is brocken at least on Darwin.
# Unit tests are linked against libTKernel.10.dylib isntead of /full/path/libTKernel.10.dylib
# see https://github.com/tpaviot/oce/issues/612
# make("test")
# The shared libraries are not installed correctly on Darwin; correct this
if (sys.platform == 'darwin'):
fix_darwin_install_name(prefix.lib)