xref: /libCEED/Makefile (revision 69762e1fd0661d60455d5234cf3bd835249a295e)
1# Copyright (c) 2017, Lawrence Livermore National Security, LLC. Produced at
2# the Lawrence Livermore National Laboratory. LLNL-CODE-734707. All Rights
3# reserved. See files LICENSE and NOTICE for details.
4#
5# This file is part of CEED, a collection of benchmarks, miniapps, software
6# libraries and APIs for efficient high-order finite element and spectral
7# element discretizations for exascale applications. For more information and
8# source code availability see http://github.com/ceed.
9#
10# The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
11# a collaborative effort of two U.S. Department of Energy organizations (Office
12# of Science and the National Nuclear Security Administration) responsible for
13# the planning and preparation of a capable exascale ecosystem, including
14# software, applications, hardware, advanced system engineering and early
15# testbed platforms, in support of the nation's exascale computing imperative.
16
17CFLAGS = -std=c99 -Wall -Wextra -Wno-unused-parameter -fPIC -MMD -MP
18CFLAGS += $(if $(NDEBUG),-O2,-g)
19CPPFLAGS = -I.
20LDLIBS = -lm
21OBJDIR := build
22LIBDIR := .
23NPROCS := $(shell getconf _NPROCESSORS_ONLN)
24
25PROVE ?= prove
26DARWIN := $(filter Darwin,$(shell uname -s))
27SO_EXT := $(if $(DARWIN),dylib,so)
28
29libceed := $(LIBDIR)/libceed.$(SO_EXT)
30libceed.c := $(wildcard ceed*.c)
31tests.c   := $(sort $(wildcard tests/t[0-9][0-9]-*.c))
32tests     := $(tests.c:tests/%.c=$(OBJDIR)/%)
33examples.c := $(sort $(wildcard examples/*.c))
34examples  := $(examples.c:examples/%.c=$(OBJDIR)/%)
35
36.SUFFIXES:
37.SUFFIXES: .c .o .d
38.SECONDEXPANSION:		# to expand $$(@D)/.DIR
39
40%/.DIR :
41	@mkdir -p $(@D)
42	@touch $@
43
44.PRECIOUS: %/.DIR
45
46all:;$(MAKE) --no-print-directory -j $(NPROCS) $(libceed)
47
48$(libceed) : $(libceed.c:%.c=$(OBJDIR)/%.o)
49	$(CC) $(LDFLAGS) -shared -o $@ $^ $(LDLIBS)
50
51$(OBJDIR)/%.o : %.c | $$(@D)/.DIR
52	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $^
53
54$(OBJDIR)/%.o : tests/%.c | $$(@D)/.DIR
55	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $^
56
57$(OBJDIR)/%.o : examples/%.c | $$(@D)/.DIR
58	$(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $^
59
60$(tests) $(examples) : $(libceed)
61$(tests) $(examples) : LDFLAGS += -Wl,-rpath,$(LIBDIR) -L$(LIBDIR)
62$(OBJDIR)/t% : tests/t%.c $(libceed)
63$(OBJDIR)/ex% : examples/ex%.c $(libceed)
64
65run-t% : $(OBJDIR)/t%
66	@tests/tap.sh $(<:build/%=%)
67
68test : $(tests:$(OBJDIR)/t%=run-t%)
69tst:;@$(MAKE) --no-print-directory -j $(NPROCS) test
70
71prove : $(tests)
72	$(PROVE) --exec tests/tap.sh $(CEED_PROVE_OPTS) $(tests:$(OBJDIR)/%=%)
73
74examples : $(examples)
75
76.PHONY: clean print test examples astyle
77cln clean :
78	$(RM) *.o $(OBJDIR)/*.o *.d $(OBJDIR)/*.d $(libceed) $(tests.c:%.c=%)
79	$(RM) -r *.dSYM
80
81astyle :
82	astyle --style=google --indent=spaces=2 --max-code-length=80 \
83            --keep-one-line-statements --keep-one-line-blocks --lineend=linux \
84            --suffix=none --preserve-date --formatted \
85            *.[ch] tests/*.[ch] examples/*.[ch]
86
87
88print :
89	@echo $(VAR)=$($(VAR))
90
91print-%:
92	$(info [ variable name]: $*)
93	$(info [        origin]: $(origin $*))
94	$(info [         value]: $(value $*))
95	$(info [expanded value]: $($*))
96	$(info )
97	@true
98
99-include $(libceed.c:%.c=%.d) $(tests.c:%.c=%.d)
100