| 1 | # -------------------------------------------------------------------------- |
| 2 | # |
| 3 | # Copyright |
| 4 | # Markus Wittmann, 2016-2017 |
| 5 | # RRZE, University of Erlangen-Nuremberg, Germany |
| 6 | # markus.wittmann -at- fau.de or hpc -at- rrze.fau.de |
| 7 | # |
| 8 | # Viktor Haag, 2016 |
| 9 | # LSS, University of Erlangen-Nuremberg, Germany |
| 10 | # |
| 11 | # This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels). |
| 12 | # |
| 13 | # LbmBenchKernels is free software: you can redistribute it and/or modify |
| 14 | # it under the terms of the GNU General Public License as published by |
| 15 | # the Free Software Foundation, either version 3 of the License, or |
| 16 | # (at your option) any later version. |
| 17 | # |
| 18 | # LbmBenchKernels is distributed in the hope that it will be useful, |
| 19 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | # GNU General Public License for more details. |
| 22 | # |
| 23 | # You should have received a copy of the GNU General Public License |
| 24 | # along with LbmBenchKernels. If not, see <http://www.gnu.org/licenses/>. |
| 25 | # |
| 26 | # -------------------------------------------------------------------------- |
| 27 | |
| 28 | |
| 29 | # ------------------------------------------------------------------------ |
| 30 | # C ompiler/linker to use. |
| 31 | # Flags are specified at the end of the file. |
| 32 | # ------------------------------------------------------------------------ |
| 33 | CC = gcc |
| 34 | LD = gcc |
| 35 | |
| 36 | # ------------------------------------------------------------------------ |
| 37 | |
| 38 | # Preprocessing variables. |
| 39 | D = -D |
| 40 | I = -I |
| 41 | PP_FLAGS += |
| 42 | |
| 43 | # Architecture to optimize for. |
| 44 | TARCH ?= -mavx |
| 45 | |
| 46 | # Generated dependencies, can be left empty. |
| 47 | MAKE_DEPEND = $(CC) -MM -MQ'$(OBJECT_DIR)/$(<:%.c=%.o)' -MF'$(DEP_DIR)/$(<:%.c=%.d)' $(PP_FLAGS) $< > /dev/null |
| 48 | |
| 49 | # Generates dependencies, can be left empty. |
| 50 | # $(call make_depend,<source-file>,<source-file-to-generate-dependency-for) |
| 51 | define make_depend |
| 52 | $(CC) -MM -MQ'$(OBJECT_DIR)/$(2:%.c=%.o)' -MF'$(DEP_DIR)/$(2:%.c=%.d)' $(PP_FLAGS) $1 > /dev/null |
| 53 | endef |
| 54 | |
| 55 | |
| 56 | ifeq (on,$(OPENMP)) |
| 57 | OPENMP_C_FLAGS += -fopenmp |
| 58 | OPENMP_LD_FLAGS += -fopenmp |
| 59 | endif |
| 60 | |
| 61 | |
| 62 | ifeq (release,$(BUILD)) |
| 63 | |
| 64 | C_FLAGS += -O3 $(TARCH) |
| 65 | LD_FLAGS += -O3 $(TARCH) |
| 66 | |
| 67 | PP_FLAGS += |
| 68 | |
| 69 | else |
| 70 | ifeq (debug,$(BUILD)) |
| 71 | |
| 72 | C_FLAGS += -O0 $(TARCH) -g -ggdb |
| 73 | LD_FLAGS += -O0 $(TARCH) -g -ggdb |
| 74 | |
| 75 | PP_FLAGS += $(D)DEBUG |
| 76 | |
| 77 | else |
| 78 | $(error unknown BUILD=$(BUILD), specify release or debug) |
| 79 | endif |
| 80 | endif |
| 81 | |
| 82 | ifeq (on,$(ADDRESS_SANITIZER)) |
| 83 | # see https://github.com/google/sanitizers/wiki/AddressSanitizerFlags for details |
| 84 | C_FLAGS += -fsanitize=address |
| 85 | LD_FLAGS += -fsanitize=address |
| 86 | endif |
| 87 | |
| 88 | ifeq (on,$(DEBUG_SYMBOLS)) |
| 89 | C_FLAGS += -g -ggdb |
| 90 | LD_FLAGS += -g -ggdb |
| 91 | endif |
| 92 | |
| 93 | C_FLAGS += -Wall -Wuninitialized -Wunused-variable -Wshadow -fargument-noalias -fargument-noalias-anything -std=c99 \ |
| 94 | -MT $@ -MF $(patsubst $(OBJECT_DIR)/%.o,$(DEP_DIR)/%.d,$@) -MMD $(OPENMP_C_FLAGS) |
| 95 | LD_FLAGS += -Wall $(OPENMP_LD_FLAGS) |
| 96 | LD_LIBS += -lm |
| 97 | |