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#/
# @license Apache-2.0
#
# Copyright (c) 2018 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#/
# VARIABLES #
ifndef VERBOSE
QUIET := @
endif
# Specify the path to Cephes:
CEPHES ?=
# Specify a list of Cephes source files:
CEPHES_SRC ?=
# Determine the OS:
#
# [1]: https://en.wikipedia.org/wiki/Uname#Examples
# [2]: http://stackoverflow.com/a/27776822/2225624
OS ?= $(shell uname)
ifneq (, $(findstring MINGW,$(OS)))
OS := WINNT
else
ifneq (, $(findstring MSYS,$(OS)))
OS := WINNT
else
ifneq (, $(findstring CYGWIN,$(OS)))
OS := WINNT
endif
endif
endif
# Define the program used for compiling C source files:
ifdef C_COMPILER
CC := $(C_COMPILER)
else
CC := gcc
endif
# Define the command-line options when compiling C files:
CFLAGS ?= \
-std=c99 \
-O3 \
-Wall \
-pedantic \
-Wno-deprecated-declarations
# Determine whether to generate [position independent code][1]:
#
# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option
ifeq ($(OS), WINNT)
fPIC ?=
else
fPIC ?= -fPIC
endif
# List of C targets:
c_targets := benchmark.out
# TARGETS #
# Default target.
#
# This target is the default target.
all: $(c_targets)
.PHONY: all
# Compile C source.
#
# This target compiles C source files.
$(c_targets): %.out: %.c
$(QUIET) $(CC) $(CFLAGS) $(fPIC) -o $@ $(CEPHES_SRC) $< -lm
# Run a benchmark.
#
# This target runs a benchmark.
run: $(c_targets)
$(QUIET) ./$<
.PHONY: run
# Perform clean-up.
#
# This target removes generated files.
clean:
$(QUIET) -rm -f *.o *.out
.PHONY: clean
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