Makefile

   1 # SPDX-License-Identifier: LGPL-2.1-or-later
   2 # See Notices.txt for copyright information
   3 .PHONY: all tests clean fix-tests format-tests build-tests
   4
   5 SHELL=/bin/bash
   6
   7 CC = powerpc64le-linux-gnu-gcc
   8 CXX = powerpc64le-linux-gnu-g++
   9 CFLAGS = -O3 -Iinclude -g0 -mno-altivec -mno-vsx -Wall
  10 CXXFLAGS = -std=gnu++17
  11
  12 all: tests
  13
  14 TESTS_SOURCE := $(wildcard tests/*/test.cpp) $(wildcard tests/*/test.c)
  15 TESTS_DIR := $(dir $(TESTS_SOURCE))
  16 TESTS_BUILD_DIR := $(addprefix build/,$(TESTS_DIR))
  17 TESTS_DIFF := $(addsuffix diff.txt,$(TESTS_BUILD_DIR))
  18 TESTS_FILTERED_OUT := $(addsuffix filtered-out.s,$(TESTS_BUILD_DIR))
  19 EXTRA_DEPS := Makefile $(wildcard include/*.h) include/simplev_cpp_generated.h
  20
  21 include/simplev_cpp_generated.h: Makefile generate_headers.py
  22         python3 generate_headers.py
  23
  24 build/tests/%/:
  25         mkdir -p $@
  26
  27 build/tests/%/out.s: tests/%/test.cpp $(EXTRA_DEPS) | build/tests/%/
  28         $(CXX) -S $(CFLAGS) $(CXXFLAGS) $< -o $@
  29
  30 build/tests/%/out.s: tests/%/test.c $(EXTRA_DEPS) | build/tests/%/
  31         $(CC) -S $(CFLAGS) $< -o $@
  32
  33 build/tests/%/filtered-out.s: build/tests/%/out.s $(EXTRA_DEPS)
  34         sed 's/\(^\t.ident\t"\).*"/\1GCC"/' < $< > $@
  35
  36 build/tests/%/diff.txt: tests/%/expected.s build/tests/%/filtered-out.s $(EXTRA_DEPS)
  37         diff -u $< build/$(dir $<)filtered-out.s > $@ || true
  38
  39 .PRECIOUS: build/tests/%/out.s build/tests/%/filtered-out.s build/tests/%/ include/simplev_cpp_generated.h
  40
  41 tests: build-tests format-tests
  42
  43 build-tests: $(TESTS_DIFF)
  44         @failed=0; \
  45         for i in $+; do \
  46                 if [ -s "$$i" -o ! -e "$$i" ]; then \
  47                         echo "Test failed: $$i" >&2; \
  48                         head -n 10 "$$i" >&2; \
  49                         failed=$$((failed + 1)); \
  50                 fi; \
  51         done; \
  52         if [ $$((failed)) != 0 ]; then \
  53                 echo "$$failed test(s) failed" >&2; \
  54                 false; \
  55         else \
  56                 echo "all tests passed"; \
  57         fi
  58
  59 fix-tests: $(TESTS_FILTERED_OUT)
  60         @for i in $(TESTS_FILTERED_OUT); do \
  61                 target="$$(dirname "$${i##build/}")/expected.s"; \
  62                 status=""; \
  63                 [ "$(FORCE_FIX_TESTS)" = "$$target" ] || status="$$(git status --porcelain "$$target")"; \
  64                 if [ -z "$$status" ]; then \
  65                         cp -v "$$i" "$$target"; \
  66                 elif ! cmp "$$i" "$$target"; then \
  67                         echo "$$target has uncommitted changes, not overwriting -- commit changes or run make with FORCE_FIX_TESTS=$$target" >&2; \
  68                         exit 1; \
  69                 fi; \
  70         done
  71
  72 format-tests: Makefile include/simplev_cpp_generated.h .clang-format
  73         @if ! which clang-format-11 > /dev/null; then \
  74                 echo "clang-format-11 not found -- skipping format test"; \
  75         else \
  76                 diff -u <(clang-format-11 < include/simplev_cpp_generated.h) include/simplev_cpp_generated.h; \
  77         fi
  78
  79 clean:
  80         rm -rf build/tests include/simplev_cpp_generated.h