xref: /petsc/gmakefile.test (revision efbe7e8a80d07327753dbe0b33efee01e046af3f)
1# -*- mode: makefile-gmake -*-
2-include petscdir.mk
3
4.SUFFIXES: .F  .F90 .f90 ${SUFFIXES} .PETSc .C .cc .cpp .cxx .r .rm .so .html .ad .m .tex .mtex .make  .fig .svg .eps .pdf .jpg .png .dvi .ps .F95 .f95 .fiat .cu .kokkos.cxx
5
6CONFIGDIR := $(PETSC_DIR)/config
7
8# TESTSRCDIR is always relative to gmakefile.test
9#  This must be before includes
10mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
11TESTSRCDIR := $(dir $(mkfile_path))src
12
13-include $(PETSC_DIR)/$(PETSC_ARCH)/lib/petsc/conf/petscvariables
14-include $(PETSC_DIR)/lib/petsc/conf/variables
15
16TESTDIR ?= ./$(PETSC_ARCH)/tests
17MODDIR := $(PETSC_DIR)/$(PETSC_ARCH)/include
18TESTLOGTAPFILE ?= $(TESTDIR)/test_$(PETSC_ARCH)_tap.log
19TESTLOGERRFILE ?= $(TESTDIR)/test_$(PETSC_ARCH)_err.log
20EXAMPLESDIR := $(TESTSRCDIR)
21
22pkgs := sys vec mat dm ksp snes ts tao
23
24petscconf      := $(PETSC_DIR)/$(PETSC_ARCH)/include/petscconf.h
25petscvariables := $(PETSC_DIR)/$(PETSC_ARCH)/lib/petsc/conf/petscvariables
26generatedtest  := $(TESTDIR)/testfiles
27
28.SECONDEXPANSION:		# to expand $$(@D)/.DIR
29
30TESTFLAGS :=             # Initialize as simple variable
31
32#workarround old cygwin versions
33ifeq ($(PETSC_CYGWIN_BROKEN_PIPE),1)
34ifeq ($(shell basename $(AR)),ar)
35  V ?=1
36endif
37endif
38V ?= $(if $(findstring s,$(MAKEFLAGS)),0)
39ifeq ($(V),)  # Default
40  quiet_HELP := "Use \"$(MAKE) V=1\" to see verbose compile lines, \"$(MAKE) V=0\" to suppress.\n"
41  quiet = @printf $(quiet_HELP)$(eval quiet_HELP:=)"  %10s %s\n" "$1$2" "$@"; $($1)
42  quiettest = @printf "  %10s %s\n" "TEST" "$(@:$(TESTDIR)/counts/%.counts=%)";
43else ifeq ($(V),0)		# Suppress entire command
44  quiet = @$($1)
45  quiettest = @
46  TESTFLAGS += -o err_only
47else				# Show the full command line
48  quiet = $($1)
49  quiettest =
50  TESTFLAGS += -v
51endif
52
53ifeq ($(FORCE),1)
54  TESTFLAGS += -f    # force test execution
55endif
56ifeq ($(CUDAMEMCHECK),1)
57  TESTFLAGS += -U    # Add cuda-memcheck option to the flags
58endif
59ifeq ($(VALGRIND),1)
60  TESTFLAGS += -V    # Add valgrind option to the flags
61endif
62ifeq ($(REPLACE),1)
63  TESTFLAGS += -m    # Replace results by passing -m to petscdiff
64endif
65ifeq ($(OUTPUT),1)
66  TESTFLAGS += -o 'err_only'    # Show only the errors on stdout
67endif
68ifeq ($(ALT),1)
69  TESTFLAGS += -M    # Replace alt files by passing -M to petscdiff
70endif
71PRINTONLY ?= 0
72ifeq ($(PRINTONLY),1)
73  TESTFLAGS += -p    # Pass -p to petscdiff to print only command
74endif
75ifeq ($(DIFF_NUMBERS),1)
76  TESTFLAGS += -j    # Pass -j to petscdiff to diff the actual numbers
77endif
78ifdef OPTIONS
79  TESTFLAGS += -a '$(OPTIONS)'   # override arguments
80endif
81ifdef EXTRA_OPTIONS
82  TESTFLAGS += -e '$(EXTRA_OPTIONS)'  # add extra arguments
83endif
84ifdef NP
85  TESTFLAGS += -n $(NP)  # set number of processes
86endif
87# Override the default timeout that may be found at the top of config/petsc_harness.sh
88# This must be an integer.  It is given in seconds.
89ifdef TIMEOUT
90  TESTFLAGS += -t $(TIMEOUT)  # Override the default timeout
91endif
92
93$(generatedtest) : $(petscconf) $(petscvariables) $(CONFIGDIR)/gmakegentest.py $(TESTDIR)/.DIR | $$(@D)/.DIR
94	$(PYTHON) $(CONFIGDIR)/gmakegentest.py --petsc-dir=$(PETSC_DIR) --petsc-arch=$(PETSC_ARCH) --testdir=$(TESTDIR)
95
96ifneq ($(filter-out clean check,$(MAKECMDGOALS:clean%=clean)),)
97include $(generatedtest)
98endif
99
100ifeq ($(PETSC_LANGUAGE),CXXONLY)
101  cc_name := CXX
102else
103  cc_name := CC
104endif
105
106PETSC_COMPILE.c = $(call quiet,$(cc_name)) -c $(PCC_FLAGS) $(PFLAGS) $(CCPPFLAGS) $(C_DEPFLAGS)
107PETSC_COMPILE.cxx = $(call quiet,CXX) -c $(CXX_FLAGS) $(CXXFLAGS) $(CXXCPPFLAGS) $(CXX_DEPFLAGS)
108ifneq ($(KOKKOS_BIN),)
109# Kokkos requires nvcc to be in PATH and the C++ compiler to be given in an environmental variable
110PETSC_COMPILE.kokkos.cxx = PATH=$(PATH):`dirname $(CUDAC)` NVCC_WRAPPER_DEFAULT_COMPILER=$(CXX_LINKER) $(KOKKOS_BIN)/nvcc_wrapper --expt-extended-lambda -c $(CXX_FLAGS) $(CXXFLAGS) $(CXXCPPFLAGS)
111PETSC_LINK.kokkos.cxx = PATH=$(PATH):`dirname $(CUDAC)` NVCC_WRAPPER_DEFAULT_COMPILER=$(CXX_LINKER) $(KOKKOS_BIN)/nvcc_wrapper --expt-extended-lambda  $(CXX_LINKER_FLAGS) $(PETSC_CCPPFLAGS) $(CPPFLAGS) $(LDFLAGS)
112else
113PETSC_COMPILE.kokkos.cxx = $(call quiet,CXX) -c $(CXX_FLAGS) $(CXXFLAGS) $(CXXCPPFLAGS) $(CXX_DEPFLAGS)
114PETSC_LINK.kokkos.cxx = $(CXXLINKER) $(CXX_LINKER_FLAGS) $(CXXFLAGS) $(PETSC_CCPPFLAGS) $(CPPFLAGS) $(LDFLAGS)
115endif
116PETSC_COMPILE.cu = $(call quiet,CUDAC) -c $(CUDAC_FLAGS) $(CUFLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)"
117PETSC_COMPILE.hip.cpp = $(call quiet,HIPCC) -c $(HIPCC_FLAGS) $(HIPCCFLAGS) $(HIPCCPPFLAGS) $(HIPCC_DEPFLAGS)
118PETSC_COMPILE.sycl.cpp = $(call quiet,SYCLCPP) -c $(SYCLCPP_FLAGS) $(SYCLCPPFLAGS) $(SYCLCPPCPPFLAGS) $(SYCLCPP_DEPFLAGS)
119PETSC_GENDEPS.cu = $(call quiet,CUDAC,.dep) --generate-dependencies --output-directory=$(@D) $(CUDAC_FLAGS) $(CUFLAGS) --compiler-options="$(PCC_FLAGS) $(CXXFLAGS) $(CCPPFLAGS)"
120PETSC_COMPILE.F = $(call quiet,FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(FC_DEPFLAGS)
121
122testlangs := c cu cxx F F90 kokkos.cxx hip.cpp sycl.cpp
123$(foreach lang, $(testlangs), $(eval \
124  testexe.$(lang) = $(foreach pkg, $(pkgs), $(testsrcs-$(pkg).$(lang):%.$(lang)=$(TESTDIR)/%))))
125concattestlang = $(foreach lang, $(2), $(testsrcs-$(1).$(lang):%.$(lang)=$(TESTDIR)/%.o))
126testsrcs.o := $(foreach pkg, $(pkgs), $(call concattestlang,$(pkg),$(testlangs)))
127testsrcs-rel := $(foreach pkg, $(pkgs), $(foreach lang, $(testlangs), $(testsrcs-$(pkg).$(lang))))
128testsrcs := $(foreach sfile, $(testsrcs-rel), $(TESTSRCDIR)/$(sfile))
129
130# workaround win32fe failure
131ifneq (,$(findstring win32fe,$(call quiet,$(cc_name))))
132$(TESTDIR)/ts/tutorials/multirate/ex6: | $(TESTDIR)/ts/tutorials/multirate/ex5
133$(TESTDIR)/ts/tutorials/multirate/ex8: | $(TESTDIR)/ts/tutorials/multirate/ex6
134endif
135
136# Refresh testfiles when sources change, but don't balk if the source file is nonexistent (deleted)
137$(generatedtest) : $(testsrcs)
138$(testsrcs) :
139
140$(TESTDIR)/%.o : $(EXAMPLESDIR)/%.c | $$(@D)/.DIR
141	$(PETSC_COMPILE.c) $(abspath $<) -o $@
142
143$(TESTDIR)/%.o : $(EXAMPLESDIR)/%.kokkos.cxx | $$(@D)/.DIR
144	$(PETSC_COMPILE.kokkos.cxx) $(abspath $<) -o $@
145
146$(TESTDIR)/%.o : $(EXAMPLESDIR)/%.cxx | $$(@D)/.DIR
147	$(PETSC_COMPILE.cxx) $(abspath $<) -o $@
148
149$(TESTDIR)/%.o : $(EXAMPLESDIR)/%.cu | $$(@D)/.DIR
150	$(PETSC_COMPILE.cu) $(abspath $<) -o $@ # Compile first so that if there is an error, it comes from a normal compile
151	@$(PETSC_GENDEPS.cu) $(abspath $<) -o $(@:%.o=%.d) # Generate the dependencies for later
152
153# Test modules go in the same directory as the target *.o
154TESTMODDIR = $(@D)
155FCMOD = cd
156$(TESTDIR)/%.o : $(EXAMPLESDIR)/%.F | $$(@D)/.DIR
157ifeq ($(FC_MODULE_OUTPUT_FLAG),)
158	$(call quiet,FCMOD) $(TESTMODDIR) && $(FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(FC_DEPFLAGS) -I$(dir $<) $(abspath $<) -o $(abspath $@)
159else
160	$(PETSC_COMPILE.F) -I$(dir $<) $(abspath $<) -o $@ $(FC_MODULE_OUTPUT_FLAG)$(TESTMODDIR) $(FC_MODULE_FLAG)$(TESTMODDIR)
161endif
162	-@$(GFORTRAN_DEP_CLEANUP)
163
164$(TESTDIR)/%.o : $(EXAMPLESDIR)/%.F90 | $$(@D)/.DIR
165ifeq ($(FC_MODULE_OUTPUT_FLAG),)
166	$(call quiet,FCMOD) $(TESTMODDIR) && $(FC) -c $(FC_FLAGS) $(FFLAGS) $(FCPPFLAGS) $(FC_DEPFLAGS) -I$(dir $<) $(abspath $<) -o $(abspath $@)
167else
168	$(PETSC_COMPILE.F) -I$(dir $<) $(abspath $<) -o $@ $(FC_MODULE_OUTPUT_FLAG)$(TESTMODDIR) $(FC_MODULE_FLAG)$(TESTMODDIR)
169endif
170	-@$(GFORTRAN_DEP_CLEANUP)
171
172#   This is a hack to fix a broken gfortran.
173define GFORTRAN_DEP_CLEANUP
174  if test -e "$(@:%.o=%.d)" && head -1 "$(@:%.o=%.d)" | fgrep -q -v : ; then\
175    echo "$(@): \\" > $(@:%.o=%.dtemp) ; \
176    tr '\n' '@' < $(@:%.o=%.d) | cut -d: -f2- | tr '@' '\n' >> $(@:%.o=%.dtemp) ; \
177    mv $(@:%.o=%.dtemp) $(@:%.o=%.d); \
178  fi
179endef
180
181# link line constructed differently for gmakefile vs gmakefile.test invocation
182ifeq ($(libpetscall),)
183PETSC_TEST_LIB = $(PETSC_LIB)
184else
185PETSC_TEST_LIB = $(C_SH_LIB_PATH) $(PETSC_EXTERNAL_LIB_BASIC)
186endif
187
188# manually list some some library dependencies to check for circular dependencies
189$(TESTDIR)/sys/tests/ex9: PETSC_TEST_LIB = $(PETSC_SYS_LIB)
190$(TESTDIR)/vec/vec/tests/ex1: PETSC_TEST_LIB = $(PETSC_VEC_LIB)
191$(TESTDIR)/mat/tests/ex1: PETSC_TEST_LIB = $(PETSC_MAT_LIB)
192$(TESTDIR)/dm/tests/ex1: PETSC_TEST_LIB = $(PETSC_DM_LIB)
193$(TESTDIR)/ksp/ksp/tests/ex1: PETSC_TEST_LIB = $(PETSC_KSP_LIB)
194$(TESTDIR)/snes/tests/ex1: PETSC_TEST_LIB = $(PETSC_SNES_LIB)
195$(TESTDIR)/ts/tests/ex2: PETSC_TEST_LIB = $(PETSC_TS_LIB)
196$(TESTDIR)/tao/tutorials/ex1: PETSC_TEST_LIB = $(PETSC_TAO_LIB)
197
198# if configured --with-macos-firewall-rules, ensure mpiexec.hydra and test executable is on firewall list
199ifdef MACOS_FIREWALL_MPIEXEC
200define macos-firewall-register
201  @APP=$(call abspath, $(1)); \
202    FW=/usr/libexec/ApplicationFirewall/socketfilterfw; \
203    ANS=`$$FW --getappblocked $$APP`; \
204    if ! echo $$ANS | grep "$$APP" &> /dev/null; then \
205      if ! sudo -n true 2>/dev/null; then echo "Asking for sudo password to add new firewall rule for\n  $$APP:"; fi; \
206      sudo $$FW --add $$APP && \
207      sudo $$FW --block $$APP; \
208    else \
209      echo $$ANS; \
210    fi
211endef
212define macos-firewall-fix
213  $(call macos-firewall-register, $(MACOS_FIREWALL_MPIEXEC))
214  $(call macos-firewall-register, $(1))
215endef
216endif
217
218# Test executables
219$(testexe.F) $(testexe.F90) : $(TESTDIR)/% : $(TESTDIR)/%.o $$^ $(libpetscall)
220	$(call quiet,FLINKER) -o $@ $^ $(PETSC_TEST_LIB)
221	-$(call macos-firewall-fix,$@)
222
223$(testexe.c) $(testexe.cu) : $(TESTDIR)/% : $(TESTDIR)/%.o $$^ $(libpetscall)
224	$(call quiet,CLINKER) -o $@ $^ $(PETSC_TEST_LIB)
225	-$(call macos-firewall-fix,$@)
226
227$(testexe.kokkos.cxx) : $(TESTDIR)/% : $(TESTDIR)/%.o $$^ $(libpetscall)
228	$(call quiet,PETSC_LINK.kokkos.cxx) -o $@ $^ $(PETSC_TEST_LIB)
229	-$(call macos-firewall-fix,$@)
230
231$(testexe.cxx) : $(TESTDIR)/% : $(TESTDIR)/%.o $$^ $(libpetscall)
232	$(call quiet,CXXLINKER) -o $@ $^ $(PETSC_TEST_LIB)
233	-$(call macos-firewall-fix,$@)
234
235# Fortran source files need petsc*.mod, which isn't explicitly managed in the makefile.
236$(foreach pkg, $(pkgs), $(call concattestlang,$(pkg),F F90)) : $(libpetscall)
237
238# Testing convenience targets
239.PHONY: test pre-clean
240
241test: report_tests
242
243pre-clean:
244	@$(RM) -rf $(TESTDIR)/counts $(TESTLOGTAPFILE) $(TESTLOGERRFILE)
245	@touch $(TESTLOGTAPFILE) $(TESTLOGERRFILE)
246	@echo "Using MAKEFLAGS:" ${MAKEFLAGS}
247
248check-test-errors:
249	@grep '^not ok' $(TESTLOGTAPFILE) | grep -v 'Exceeded timeout' | tee $(TESTDIR)/allgtests-tap-err.log
250	@test ! -s $(TESTDIR)/allgtests-tap-err.log
251
252.PHONY: $(foreach pkg, $(pkgs), test-$(pkg) $(foreach lang, $(testlangs), test-$(pkg).$(lang) test-rm-$(pkg).$(lang)))
253testpkgs := $(foreach pkg, $(pkgs), test-$(pkg))
254# Targets to run tests in test-$pkg.$lang and delete the executables, language by language
255$(testpkgs) : test-% : $(foreach lang, $(testlangs), test-rm-%.$(lang))
256# List of raw test run targets
257alltesttargets := $(foreach tp, $(testpkgs), $(foreach lang, $(testlangs), $($(tp).$(lang))))
258
259# Run targets
260$(alltesttargets) : % : $(TESTDIR)/counts/%.counts
261.PHONY: $(alltesttargets)
262
263$(TESTDIR)/counts/%.counts :
264	$(quiettest) $< $(TESTFLAGS)
265
266# Targets to run tests and remove executables, by package-lang pairs.
267# Run the tests in each batch using recursive invocation of make because
268# we need all of them to complete before removing the executables.  Make
269# doesn't guarantee an exploration order for the graph.  Only recursive
270# if there is something to be done.
271alltest-rm := $(foreach pkg, $(pkgs), $(foreach lang, $(testlangs), test-rm-$(pkg).$(lang)))
272$(alltest-rm) : test-rm-% : test-%
273ifneq ($(NO_RM),1)
274	$(call quiet,RM) $(addprefix $(TESTDIR)/,$(basename $($(@:test-rm-%=testsrcs-%))))
275endif
276
277# Remove intermediate .o files
278# This only removes the files at the end which is insufficient
279#.INTERMEDIATE: $(testsrcs.o:%.o=%)
280
281# all sources should get recompiled when petscvariables changes (i.e when configure is rerun or when petscvariables is manually edited.)
282$(testsrcs.o) : $(petscvariables)
283
284%/.DIR :
285	@mkdir -p $(@D)
286	@touch $@
287
288.PRECIOUS: %/.DIR
289
290.SUFFIXES: # Clear .SUFFIXES because we don't use implicit rules
291.DELETE_ON_ERROR:               # Delete likely-corrupt target file if rule fails
292
293.PHONY: clean cleantest all
294
295cleantest:
296	${RM} -r $(TESTDIR) $(generatedtest)
297
298clean: cleantest
299
300alltest.d := $(testsrcs.o:%.o=%.d)
301# Tell make that alltest.d are all up to date.  Without this, the include
302# below has quadratic complexity, taking more than one second for a
303# do-nothing build of PETSc (much worse for larger projects)
304$(alltest.d) : ;
305
306-include $(alltest.d)
307
308# Tests can be generated by searching
309# Percent is a wildcard (only one allowed):
310#    make -f gmakefile test search=sys%ex2
311# To match internal substrings (matches *ex2*):
312#    make -f gmakefile test searchin=ex2
313# Search and searchin can be combined:
314#    make -f gmakefile test search='sys%' searchin=ex2
315# For args:
316#    make -f gmakefile test argsearch=cuda
317# For general glob-style searching using python:
318# NOTE: uses shell which is possibly slower and is possibly more brittle
319#    make -f gmakefile test globsearch='sys*ex2*'
320ifdef search
321  TESTTARGETS := $(filter $(search),$(alltesttargets))
322  ifdef searchin
323    TESTTARGETS2 := $(foreach v,$(TESTTARGETS),$(if $(findstring $(searchin),$(v)),$(v)))
324    TESTTARGETS := $(TESTTARGETS2)
325  endif
326else ifdef searchin
327  TESTTARGETS := $(foreach v,$(alltesttargets),$(if $(findstring $(searchin),$(v)),$(v)))
328else ifdef argsearch
329  TESTTARGETS := $(foreach v,$(alltesttargets),$(if $(findstring $(argsearch),$($(v)_ARGS)),$(v)))
330else ifdef globsearch
331  TESTTARGETS := $(shell $(PYTHON) config/query_tests.py --petsc-dir=$(PETSC_DIR) --petsc-arch=$(PETSC_ARCH) 'name' '$(globsearch)')
332else ifdef test-fail
333  TESTTARGETS := $(shell $(PETSC_ARCH)/tests/echofailures.sh)
334else ifdef query
335  TESTTARGETS := $(shell $(PYTHON) config/query_tests.py --petsc-dir=$(PETSC_DIR) --petsc-arch=$(PETSC_ARCH) '$(query)' '$(queryval)')
336else                            # No filter - run them all, but delete the executables as we go
337  TESTTARGETS := $(testpkgs)
338endif
339
340.PHONY: report_tests print-test
341
342print-test:
343	$(info $(TESTTARGETS))
344	@true
345
346show-fail:
347	-@$(PYTHON) $(CONFIGDIR)/report_tests.py -d $(TESTDIR)/counts -f
348
349
350
351# Don't start running tests until starttime has completed
352$(alltesttargets:%=$(TESTDIR)/counts/%.counts) : starttime
353
354# Ensure that libpetsc (if it is a prerequisite) has been built and clean the counts/logs before starting timer
355starttime: pre-clean $(libpetscall)
356	@$(eval STARTTIME := $(shell date +%s))
357
358report_tests: starttime $(TESTTARGETS)
359	@$(eval ENDTIME := $(shell date +%s))
360	-@if test ${PRINTONLY} -ne 1; then  elapsed_time=$$(($(ENDTIME)- $(STARTTIME))) && \
361	$(PYTHON) $(CONFIGDIR)/report_tests.py -m $(MAKE) -d $(TESTDIR)/counts -t 5 -e $${elapsed_time};\
362    fi
363
364check_output:
365	$(PYTHON) $(CONFIGDIR)/gmakegentest.py --petsc-dir=$(PETSC_DIR) --petsc-arch=$(PETSC_ARCH) --testdir=$(TESTDIR) --check-output
366
367# Do not how how to invoke test from makefile
368HASGMAKEFILE := $(filter gmakefile,$(MAKEFILE_LIST))
369ifeq ($(HASGMAKEFILE),gmakefile)
370helpdeps:=help-make help-targets
371makefile="gmakefile"
372other_help="To see full test help: make -f gmakefile.test help"
373else
374helpdeps:=help-make help-targets help-test
375makefile="gmakefile.test"
376other_help=""
377endif
378
379help: ${helpdeps}
380	-@echo "Above is from: ${helpdeps}"
381	-@echo "${other_help}"
382
383help-make:
384	-@echo
385	-@echo "Basic build usage:"
386	-@echo "   make -f ${makefile} <options>"
387	-@echo
388	-@echo "Options:"
389	-@echo "  V=0           Very quiet builds"
390	-@echo "  V=1           Verbose builds"
391	-@echo
392
393help-targets:
394	-@echo "All makefile targets and their dependencies:"
395	-@grep ^[a-z] ${makefile} | grep : | grep -v =
396	-@echo
397	-@echo
398
399help-test:
400	-@echo "Basic test usage:"
401	-@echo "   make -f ${makefile} test <options>"
402	-@echo
403	-@echo "Options:"
404	-@echo "  NO_RM=1           Do not remove the executables after running"
405	-@echo "  REPLACE=1         Replace the output in PETSC_DIR source tree (-m to test scripts)"
406	-@echo "  OUTPUT=1          Show only the errors on stdout"
407	-@echo "  ALT=1             Replace 'alt' output in PETSC_DIR source tree (-M to test scripts)"
408	-@echo "  DIFF_NUMBERS=1    Diff the numbers in the output (-j to test scripts and petscdiff)"
409	-@echo "  CUDAMEMCHECK=1    Execute the tests using cuda-memcheck (-U to test scripts)"
410	-@echo "  VALGRIND=1        Execute the tests using valgrind (-V to test scripts)"
411	-@echo "  NP=<num proc>     Set a number of processors to pass to scripts."
412	-@echo "  FORCE=1           Force SKIP or TODO tests to run"
413	-@echo "  PRINTONLY=1       Print the command, but do not run.  For loops print first command"
414	-@echo "  TIMEOUT=<time>    Test timeout limit in seconds (default in config/petsc_harness.sh)"
415	-@echo "  TESTDIR='tests'   Subdirectory where tests are run ($${PETSC_DIR}/$${PETSC_ARCH}/$${TESTDIR}"
416	-@echo "                    or $${PREFIX_DIR}/$${TESTDIR}"
417	-@echo "                    or $${PREFIX_DIR}/share/petsc/examples/$${TESTDIR})"
418	-@echo "  TESTBASE='tests'   Subdirectory where tests are run ($${PETSC_DIR}/$${PETSC_ARCH}/$${TESTDIR}"
419	-@echo "  OPTIONS='<args>'  Override options to scripts (-a to test scripts)"
420	-@echo "  EXTRA_OPTIONS='<args>'  Add options to scripts (-e to test scripts)"
421	-@echo
422	-@echo "Tests can be generated by searching:"
423	-@echo "  Percent is a wildcard (only one allowed):"
424	-@echo "    make -f ${makefile} test search=sys%ex2"
425	-@echo
426	-@echo "  To match internal substrings (matches *ex2*):"
427	-@echo "    make -f ${makefile} test searchin=ex2"
428	-@echo
429	-@echo "  Search and searchin can be combined:"
430	-@echo "    make -f ${makefile} test search='sys%' searchin=ex2"
431	-@echo
432	-@echo "  To match patterns in the arguments:"
433	-@echo "    make -f ${makefile} test argsearch=cuda"
434	-@echo
435	-@echo "  For general glob-style searching using python:"
436	-@echo "   NOTE: uses shell which is possibly slower and more brittle"
437	-@echo "    make -f ${makefile} test globsearch='sys*ex2*'"
438	-@echo
439	-@echo "  To re-run the last tests which failed:"
440	-@echo "    make -f ${makefile} test test-fail='1'"
441	-@echo
442	-@echo "  To search for fields from the original test definitions:"
443	-@echo "    make -f ${makefile} test query='requires' queryval='*MPI_PROCESS_SHARED_MEMORY*'"
444	-@echo
445	-@echo "  To see which targets match a given pattern (useful for doing a specific target):"
446	-@echo "    make -f ${makefile} print-test search=sys%"
447	-@echo "  which is equivalent to:"
448	-@echo "    make -f ${makefile} print VAR=TESTTARGETS search='sys%'"
449	-@echo
450	-@echo "  To build an executable, give full path to location:"
451	-@echo '    make -f ${makefile} $${PETSC_ARCH}/tests/sys/tests/ex1'
452	-@echo "  or make the test with NO_RM=1"
453	-@echo
454