Makefile

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