test/perf/micro: remove dependency on Rmath (cut-n-paste edition)

[ci skip]

Author: StefanKarpinski

Diff for: test/perf/micro/Makefile

@@ -50,7 +50,6 @@ export OPENBLAS_NUM_THREADS=1
 perf.h: $(JULIAHOME)/deps/Versions.make
 	echo '#include "$(BLASDIR)cblas.h"' > $@
 	echo '#include "$(DSFMTDIR)/dSFMT.c"' >> $@
-	echo '#include "$(RMATHDIR)/src/randmtzig.c"' >> $@
 
 bin/perf%: perf.c perf.h
 	$(CC) -std=c99 -O$* $< -o $@  -I$(DSFMTDIR) $(LIBBLAS) -L$(LIBMDIR) $(LIBM) $(CFLAGS) -lpthread

Diff for: test/perf/micro/perf.c

@@ -5,6 +5,7 @@
 // include header file generated by make:
 #define DSFMT_MEXP 19937
 #include "perf.h"
+#include "randmtzig.c"
 
 double *myrand(int n) {
     double *d = (double *)malloc(n*sizeof(double));