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| 1 | +#/ |
| 2 | +# @license Apache-2.0 |
| 3 | +# |
| 4 | +# Copyright (c) 2024 The Stdlib Authors. |
| 5 | +# |
| 6 | +# Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | +# you may not use this file except in compliance with the License. |
| 8 | +# You may obtain a copy of the License at |
| 9 | +# |
| 10 | +# http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | +# |
| 12 | +# Unless required by applicable law or agreed to in writing, software |
| 13 | +# distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | +# See the License for the specific language governing permissions and |
| 16 | +# limitations under the License. |
| 17 | +#/ |
| 18 | + |
| 19 | +# VARIABLES # |
| 20 | + |
| 21 | +ifndef VERBOSE |
| 22 | + QUIET := @ |
| 23 | +else |
| 24 | + QUIET := |
| 25 | +endif |
| 26 | + |
| 27 | +# Determine the OS ([1][1], [2][2]). |
| 28 | +# |
| 29 | +# [1]: https://en.wikipedia.org/wiki/Uname#Examples |
| 30 | +# [2]: http://stackoverflow.com/a/27776822/2225624 |
| 31 | +OS ?= $(shell uname) |
| 32 | +ifneq (, $(findstring MINGW,$(OS))) |
| 33 | + OS := WINNT |
| 34 | +else |
| 35 | +ifneq (, $(findstring MSYS,$(OS))) |
| 36 | + OS := WINNT |
| 37 | +else |
| 38 | +ifneq (, $(findstring CYGWIN,$(OS))) |
| 39 | + OS := WINNT |
| 40 | +else |
| 41 | +ifneq (, $(findstring Windows_NT,$(OS))) |
| 42 | + OS := WINNT |
| 43 | +endif |
| 44 | +endif |
| 45 | +endif |
| 46 | +endif |
| 47 | + |
| 48 | +# Define the program used for compiling Fortran source files: |
| 49 | +ifdef FORTRAN_COMPILER |
| 50 | + FC := $(FORTRAN_COMPILER) |
| 51 | +else |
| 52 | + FC := gfortran |
| 53 | +endif |
| 54 | + |
| 55 | +# Define the command-line options when compiling Fortran files: |
| 56 | +FFLAGS ?= \ |
| 57 | + -std=f95 \ |
| 58 | + -ffree-form \ |
| 59 | + -O3 \ |
| 60 | + -Wall \ |
| 61 | + -Wextra \ |
| 62 | + -Wno-compare-reals \ |
| 63 | + -Wimplicit-interface \ |
| 64 | + -fno-underscoring \ |
| 65 | + -pedantic |
| 66 | + |
| 67 | +# Determine whether to generate position independent code ([1][1], [2][2]). |
| 68 | +# |
| 69 | +# [1]: https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options |
| 70 | +# [2]: http://stackoverflow.com/questions/5311515/gcc-fpic-option |
| 71 | +ifeq ($(OS), WINNT) |
| 72 | + fPIC ?= |
| 73 | +else |
| 74 | + fPIC ?= -fPIC |
| 75 | +endif |
| 76 | + |
| 77 | +# List of includes (e.g., `-I /foo/bar -I /beep/boop`): |
| 78 | +INCLUDE ?= |
| 79 | + |
| 80 | +# List of Fortran source files: |
| 81 | +SOURCE_FILES ?= ../../src/cscal.f |
| 82 | + |
| 83 | +# List of Fortran targets: |
| 84 | +f_targets := benchmark.length.out |
| 85 | + |
| 86 | + |
| 87 | +# RULES # |
| 88 | + |
| 89 | +#/ |
| 90 | +# Compiles Fortran source files. |
| 91 | +# |
| 92 | +# @param {string} SOURCE_FILES - list of Fortran source files |
| 93 | +# @param {string} [INCLUDE] - list of includes (e.g., `-I /foo/bar -I /beep/boop`) |
| 94 | +# @param {string} [FORTRAN_COMPILER] - Fortran compiler |
| 95 | +# @param {string} [FFLAGS] - Fortran compiler flags |
| 96 | +# @param {(string|void)} [fPIC] - compiler flag indicating whether to generate position independent code |
| 97 | +# |
| 98 | +# @example |
| 99 | +# make |
| 100 | +# |
| 101 | +# @example |
| 102 | +# make all |
| 103 | +#/ |
| 104 | +all: $(f_targets) |
| 105 | + |
| 106 | +.PHONY: all |
| 107 | + |
| 108 | +#/ |
| 109 | +# Compiles Fortran source files. |
| 110 | +# |
| 111 | +# @private |
| 112 | +# @param {string} SOURCE_FILES - list of Fortran source files |
| 113 | +# @param {(string|void)} INCLUDE - list of includes (e.g., `-I /foo/bar -I /beep/boop`) |
| 114 | +# @param {string} FC - Fortran compiler |
| 115 | +# @param {string} FFLAGS - Fortran compiler flags |
| 116 | +# @param {(string|void)} fPIC - compiler flag indicating whether to generate position independent code |
| 117 | +#/ |
| 118 | +$(f_targets): %.out: %.f |
| 119 | + $(QUIET) $(FC) $(FFLAGS) $(fPIC) $(INCLUDE) -o $@ $(SOURCE_FILES) $< |
| 120 | + |
| 121 | +#/ |
| 122 | +# Runs compiled benchmarks. |
| 123 | +# |
| 124 | +# @example |
| 125 | +# make run |
| 126 | +#/ |
| 127 | +run: $(f_targets) |
| 128 | + $(QUIET) ./$< |
| 129 | + |
| 130 | +.PHONY: run |
| 131 | + |
| 132 | +#/ |
| 133 | +# Removes generated files. |
| 134 | +# |
| 135 | +# @example |
| 136 | +# make clean |
| 137 | +#/ |
| 138 | +clean: |
| 139 | + $(QUIET) -rm -f *.o *.out |
| 140 | + |
| 141 | +.PHONY: clean |
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