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use_dll: fix race condition with compilation of power_deriv.{c,h}

master
Sébastien Villemot 2022-11-14 11:56:37 +01:00
parent 23b0c12d8e
commit 4807a6c880
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GPG Key ID: 2CECE9350ECEBE4A
1 changed files with 10 additions and 5 deletions
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15
src/ModelTree.hh
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@ -2646,16 +2646,21 @@ ModelTree::writeSparseModelCFiles(const string &basename, const string &mexext,
}
};
open_file(model_src_dir / "power_deriv.h");
/* Write source files for the derivative of the power function.
NB: The prefix (static/dynamic) is added to the filename (even though it’s
the same source between static and dynamic) to avoid a race condition when
static and dynamic are compiled in parallel. */
open_file(model_src_dir / (prefix + "power_deriv.h"));
writePowerDerivHeader(output);
output.close();
filesystem::path power_deriv_src {model_src_dir / "power_deriv.c"};
filesystem::path power_deriv_src {model_src_dir / (prefix + "power_deriv.c")};
open_file(power_deriv_src);
output << "#include <math.h>" << endl << endl;
writePowerDeriv(output);
output.close();
auto power_deriv_object {compileMEX(model_src_dir, "power_deriv", mexext, { power_deriv_src },
auto power_deriv_object {compileMEX(model_src_dir, (prefix + "power_deriv"),
mexext, { power_deriv_src },
matlabroot, dynareroot, false)};
size_t ttlen {0};
@ -2724,7 +2729,7 @@ ModelTree::writeSparseModelCFiles(const string &basename, const string &mexext,
open_file(source_tt);
output << "#include <math.h>" << endl
<< R"(#include "mex.h")" << endl // Needed for calls to external functions
<< R"(#include "power_deriv.h")" << endl
<< R"(#include ")" << prefix << R"(power_deriv.h")" << endl
<< endl
<< prototype_tt << endl
<< "{" << endl
@ -2866,7 +2871,7 @@ ModelTree::writeSparseModelCFiles(const string &basename, const string &mexext,
open_file(source_mex);
output << "#include <math.h>" << endl
<< R"(#include "mex.h")" << endl
<< R"(#include "../power_deriv.h")" << endl
<< R"(#include "../)" << prefix << R"(power_deriv.h")" << endl
<< endl
<< "void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])" << endl
<< "{" << endl