xref: /libCEED/Makefile (revision c0bc942c2e86f18ea1fe177aeea934f5a8d33e0a)
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
17CC ?= gcc
18
19NDEBUG ?=
20LDFLAGS ?=
21LOADLIBES ?=
22TARGET_ARCH ?=
23
24# env variable OCCA_DIR should point to OCCA-1.0 branch
25OCCA_DIR ?= ../occa
26
27pwd = $(patsubst %/,%,$(dir $(abspath $(firstword $(MAKEFILE_LIST)))))
28
29SANTIZ = -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer
30CFLAGS = -std=c99 -Wall -Wextra -Wno-unused-parameter -fPIC -MMD -MP -march=native
31CFLAGS += $(if $(NDEBUG),-O2,-g)
32CFLAGS += $(if $(NDEBUG),,)#$(SANTIZ))
33LDFLAGS += $(if $(NDEBUG),,)#$(SANTIZ))
34CPPFLAGS = -I.
35LDLIBS = -lm
36OBJDIR := build
37LIBDIR := .
38NPROCS := $(shell getconf _NPROCESSORS_ONLN)
39MFLAGS := -j $(NPROCS) --warn-undefined-variables \
40			--no-print-directory --no-keep-going
41
42PROVE ?= prove
43DARWIN := $(filter Darwin,$(shell uname -s))
44SO_EXT := $(if $(DARWIN),dylib,so)
45
46libceed := $(LIBDIR)/libceed.$(SO_EXT)
47libceed.c := $(wildcard ceed*.c)
48tests.c   := $(sort $(wildcard tests/t[0-9][0-9]-*.c))
49tests     := $(tests.c:tests/%.c=$(OBJDIR)/%)
50examples.c := $(sort $(wildcard examples/*.c))
51examples  := $(examples.c:examples/%.c=$(OBJDIR)/%)
52# backends/[ref & occa]
53ref.c     := $(sort $(wildcard backends/ref/*.c))
54ref.o     := $(ref.c:%.c=$(OBJDIR)/%.o)
55occa.c    := $(sort $(wildcard backends/occa/*.c))
56occa.o    := $(occa.c:%.c=$(OBJDIR)/%.o)
57
58# Output color rules
59COLOR_OFFSET = 3
60COLOR = $(shell echo $(rule_path)|cksum|cut -b1-2)
61rule_path = $(notdir $(patsubst %/,%,$(dir $<)))
62rule_file = $(basename $(notdir $@))
63rule_dumb = @echo -e $(rule_path)/$(rule_file)
64rule_term = @echo -e \\e[38\;5\;$(shell echo $(COLOR)+$(COLOR_OFFSET)|bc -l)\;1m\
65             $(rule_path)\\033[m/\\033[\m$(rule_file)\\033[m
66# if TERM=dumb, use it, otherwise switch to the term one
67output = $(if $(TERM:dumb=),$(rule_term),$(rule_dumb))
68
69V ?= 0
70ifeq ($(V),0)
71  quiet = @printf "  %10s %s\n" "$1" "$@"; $($(1))
72else
73  quiet = $($(1))
74endif
75
76.SUFFIXES:
77.SUFFIXES: .c .o .d
78.SECONDEXPANSION:		# to expand $$(@D)/.DIR
79
80%/.DIR :
81	@mkdir -p $(@D)
82	@touch $@
83
84.PRECIOUS: %/.DIR
85
86$(libceed) : LDFLAGS += $(if $(DARWIN), -install_name $(abspath $(libceed)))
87
88$(libceed) : $(ref.o)
89ifneq ($(wildcard $(OCCA_DIR)/lib/libocca.*),)
90  $(libceed) : LDFLAGS += -L$(OCCA_DIR)/lib -Wl,-rpath,$(OCCA_DIR)/lib
91  $(libceed) : LDLIBS += -locca -lrt -ldl
92  $(libceed) : $(occa.o)
93  $(occa.o) : CFLAGS += -I$(OCCA_DIR)/include
94endif
95$(libceed) : $(libceed.c:%.c=$(OBJDIR)/%.o) $(ref.c:%.c=$(OBJDIR)/%.o)
96	$(call quiet,CC) $(LDFLAGS) -shared -o $@ $^ $(LDLIBS)
97
98$(OBJDIR)/%.o : $(pwd)/%.c | $$(@D)/.DIR
99	$(call quiet,CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
100
101$(OBJDIR)/% : $(pwd)/tests/%.c | $$(@D)/.DIR
102	$(call quiet,CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LDLIBS)
103
104$(OBJDIR)/%.o : $(pwd)/examples/%.c | $$(@D)/.DIR
105	$(call quiet,CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $<
106
107$(tests) $(examples) : $(libceed)
108$(tests) $(examples) : LDFLAGS += -Wl,-rpath,$(LIBDIR) -L$(LIBDIR)
109$(OBJDIR)/t% : tests/t%.c $(libceed)
110$(OBJDIR)/ex% : examples/ex%.c $(libceed)
111
112run-t% : $(OBJDIR)/t%
113	tests/tap.sh $(<:build/%=%)
114
115test : $(tests:$(OBJDIR)/t%=run-t%)
116tst:;@$(MAKE) $(MFLAGS) test
117
118prove : $(tests)
119	$(PROVE) -j $(NPROCS) --exec 'tests/tap.sh' $(tests:$(OBJDIR)/%=%)
120
121examples : $(examples)
122
123.PHONY: clean print test examples astyle
124clean :
125	$(RM) *.o $(OBJDIR)/*.o *.d $(OBJDIR)/*.d $(libceed) $(tests)
126	$(RM) -r *.dSYM $(OBJDIR)/backends
127	$(MAKE) -C examples/mfem clean
128
129astyle :
130	astyle --style=google --indent=spaces=2 --max-code-length=80 \
131            --keep-one-line-statements --keep-one-line-blocks --lineend=linux \
132            --suffix=none --preserve-date --formatted \
133            *.[ch] tests/*.[ch] examples/*.[ch] examples/mfem/*.[ch]pp
134
135print :
136	@echo $(VAR)=$($(VAR))
137
138print-%:
139	$(info [ variable name]: $*)
140	$(info [        origin]: $(origin $*))
141	$(info [         value]: $(value $*))
142	$(info [expanded value]: $($*))
143	$(info )
144	@true
145
146-include $(libceed.c:%.c=build/%.d) $(tests.c:tests/%.c=build/%.d)
147