xref: /libCEED/Makefile (revision 6ea7c6c1b0ecaadc32023314f2a80a71900a6ee2) 
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
27SANTIZ = -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer
28CFLAGS = -std=c99 -Wall -Wextra -Wno-unused-parameter -fPIC -MMD -MP -march=native
29CFLAGS += $(if $(NDEBUG),-O2,-g)
30CFLAGS += $(if $(NDEBUG),,)#$(SANTIZ))
31LDFLAGS += $(if $(NDEBUG),,)#$(SANTIZ))
32CPPFLAGS = -I./include
33LDLIBS = -lm
34OBJDIR := build
35LIBDIR := lib
36
37NPROCS := $(shell getconf _NPROCESSORS_ONLN)
38MFLAGS := -j $(NPROCS) --warn-undefined-variables \
39			--no-print-directory --no-keep-going
40
41PROVE ?= prove
42PROVE_OPTS ?= -j $(NPROCS)
43DARWIN := $(filter Darwin,$(shell uname -s))
44SO_EXT := $(if $(DARWIN),dylib,so)
45
46ceed.pc := $(LIBDIR)/pkgconfig/ceed.pc
47libceed := $(LIBDIR)/libceed.$(SO_EXT)
48libceed.c := $(wildcard ceed*.c)
49tests.c   := $(sort $(wildcard tests/t[0-9][0-9]-*.c))
50tests     := $(tests.c:tests/%.c=$(OBJDIR)/%)
51examples.c := $(sort $(wildcard examples/*.c))
52examples  := $(examples.c:examples/%.c=$(OBJDIR)/%)
53# backends/[ref & occa]
54ref.c     := $(sort $(wildcard backends/ref/*.c))
55ref.o     := $(ref.c:%.c=$(OBJDIR)/%.o)
56occa.c    := $(sort $(wildcard backends/occa/*.c))
57occa.o    := $(occa.c:%.c=$(OBJDIR)/%.o)
58
59# Output using the 216-color rules mode
60rule_file = $(notdir $(1))
61rule_path = $(patsubst %/,%,$(dir $(1)))
62last_path = $(notdir $(patsubst %/,%,$(dir $(1))))
63ansicolor = $(shell echo $(call last_path,$(1)) | cksum | cut -b1-2 | xargs -IS expr 2 \* S + 17)
64emacs_out = @printf "  %10s %s/%s\n" $(1) $(call rule_path,$(2)) $(call rule_file,$(2))
65color_out = @if [ -t 1 ]; then \
66				printf "  %10s \033[38;5;%d;1m%s\033[m/%s\n" \
67					$(1) $(call ansicolor,$(2)) \
68					$(call rule_path,$(2)) $(call rule_file,$(2)); else \
69				printf "  %10s %s\n" $(1) $(2); fi
70# if TERM=dumb, use it, otherwise switch to the term one
71output = $(if $(TERM:dumb=),$(call color_out,$1,$2),$(call emacs_out,$1,$2))
72
73# if V is set to non-nil, turn the verbose mode
74quiet = $(if $(V),$($(1)),$(call output,$1,$@);$($(1)))
75
76.SUFFIXES:
77.SUFFIXES: .c .o .d
78.SECONDEXPANSION:		# to expand $$(@D)/.DIR
79
80%/.DIR :
81	@mkdir -p $(@D)
82	@touch $@
83
84.PRECIOUS: %/.DIR
85
86this: $(libceed) $(ceed.pc)
87all:;@$(MAKE) $(MFLAGS) V=$(V) this
88
89$(libceed) : LDFLAGS += $(if $(DARWIN), -install_name $(abspath $(libceed)))
90
91$(libceed) : $(ref.o)
92ifneq ($(wildcard $(OCCA_DIR)/lib/libocca.*),)
93  $(libceed) : LDFLAGS += -L$(OCCA_DIR)/lib -Wl,-rpath,$(abspath $(OCCA_DIR)/lib)
94  $(libceed) : LDLIBS += -locca #-lrt -ldl
95  $(libceed) : $(occa.o)
96  $(occa.o) : CFLAGS += -I$(OCCA_DIR)/include
97endif
98$(libceed) : $(libceed.c:%.c=$(OBJDIR)/%.o) | $$(@D)/.DIR
99	$(call quiet,CC) $(LDFLAGS) -shared -o $@ $^ $(LDLIBS)
100
101$(OBJDIR)/%.o : %.c | $$(@D)/.DIR
102	$(call quiet,CC) $(CPPFLAGS) $(CFLAGS) -c -o $@ $(abspath $<)
103
104$(OBJDIR)/% : tests/%.c | $$(@D)/.DIR
105	$(call quiet,CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(abspath $<) -lceed $(LDLIBS)
106
107$(OBJDIR)/% : examples/%.c | $$(@D)/.DIR
108	$(call quiet,CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(abspath $<) -lceed $(LDLIBS)
109
110$(tests) $(examples) : $(libceed)
111$(tests) $(examples) : LDFLAGS += -Wl,-rpath,$(abspath $(LIBDIR)) -L$(LIBDIR)
112$(OBJDIR)/t% : tests/t%.c $(libceed)
113$(OBJDIR)/ex% : examples/ex%.c $(libceed)
114
115run-% : $(OBJDIR)/%
116	@tests/tap.sh $(<:build/%=%)
117
118test : $(tests:$(OBJDIR)/%=run-%) $(examples:$(OBJDIR)/%=run-%)
119
120prove : $(tests) $(examples)
121	$(PROVE) $(PROVE_OPTS) --exec 'tests/tap.sh' $(tests:$(OBJDIR)/%=%) $(examples:$(OBJDIR)/%=%)
122
123examples : $(examples)
124
125$(ceed.pc) : pkgconfig-prefix = $(abspath .)
126%/ceed.pc : ceed.pc.template | $$(@D)/.DIR
127	@sed "s:%prefix%:$(pkgconfig-prefix):" $< > $@
128
129.PHONY: all cln clean print test tst examples astyle
130cln clean :
131	$(RM) *.o *.d $(libceed)
132	$(RM) -r *.dSYM $(OBJDIR) $(LIBDIR)/pkgconfig
133	$(MAKE) -C examples clean
134	$(MAKE) -C examples/mfem clean
135
136astyle :
137	astyle --style=google --indent=spaces=2 --max-code-length=80 \
138            --keep-one-line-statements --keep-one-line-blocks --lineend=linux \
139            --suffix=none --preserve-date --formatted \
140            *.[ch] tests/*.[ch] backends/*/*.[ch] examples/*.[ch] examples/mfem/*.[ch]pp
141
142print :
143	@echo $(VAR)=$($(VAR))
144
145print-%:
146	$(info [ variable name]: $*)
147	$(info [        origin]: $(origin $*))
148	$(info [         value]: $(value $*))
149	$(info [expanded value]: $($*))
150	$(info )
151	@true
152
153-include $(libceed.c:%.c=build/%.d) $(tests.c:tests/%.c=build/%.d)
154