krak/zstd
krak/zstd
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Code Issues Releases 1 Activity

minor simplification for dependency generation

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also : fix zstd-nomt exclusion and test
This commit is contained in:
Yann Collet 2023-08-27 21:33:32 -07:00
parent f4dbfce79c
commit 607933a2ff
1 changed files with 21 additions and 11 deletions
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32
lib/Makefile
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@ -202,15 +202,18 @@ lib : libzstd.a libzstd
# Generate .h dependencies automatically
DEPFLAGS = -MT $@ -MMD -MP -MF
# -MMD: compiler generates dependency information as a side-effect of compilation, without system headers
# -MP: adds phony target for each dependency other than main file.
DEPFLAGS = -MMD -MP
$(ZSTD_DYNLIB_DIR)/%.o : %.c $(ZSTD_DYNLIB_DIR)/%.d | $(ZSTD_DYNLIB_DIR)
# ensure that ZSTD_DYNLIB_DIR exists prior to generating %.o
$(ZSTD_DYNLIB_DIR)/%.o : %.c | $(ZSTD_DYNLIB_DIR)
@echo CC $@
$(COMPILE.c) $(DEPFLAGS) $(ZSTD_DYNLIB_DIR)/$*.d $(OUTPUT_OPTION) $<
$(COMPILE.c) $(DEPFLAGS) $(OUTPUT_OPTION) $<
$(ZSTD_STATICLIB_DIR)/%.o : %.c $(ZSTD_STATICLIB_DIR)/%.d | $(ZSTD_STATICLIB_DIR)
$(ZSTD_STATICLIB_DIR)/%.o : %.c | $(ZSTD_STATICLIB_DIR)
@echo CC $@
$(COMPILE.c) $(DEPFLAGS) $(ZSTD_STATICLIB_DIR)/$*.d $(OUTPUT_OPTION) $<
$(COMPILE.c) $(DEPFLAGS) $(OUTPUT_OPTION) $<
$(ZSTD_DYNLIB_DIR)/%.o : %.S | $(ZSTD_DYNLIB_DIR)
@echo AS $@
@ -220,24 +223,31 @@ $(ZSTD_STATICLIB_DIR)/%.o : %.S | $(ZSTD_STATICLIB_DIR)
@echo AS $@
$(COMPILE.S) $(OUTPUT_OPTION) $<
MKDIR ?= mkdir
MKDIR ?= mkdir -p
$(BUILD_DIR) $(ZSTD_DYNLIB_DIR) $(ZSTD_STATICLIB_DIR):
$(MKDIR) -p $@
$(MKDIR) $@
DEPFILES := $(ZSTD_DYNLIB_OBJ:.o=.d) $(ZSTD_STATICLIB_OBJ:.o=.d)
$(DEPFILES):
include $(wildcard $(DEPFILES))
# The leading '-' means: do not fail is include fails (ex: directory does not exist yet)
-include $(wildcard $(DEPFILES))
# Special case : building library in single-thread mode _and_ without zstdmt_compress.c
ZSTDMT_FILES = compress/zstdmt_compress.c
ZSTD_NOMT_FILES = $(filter-out $(ZSTDMT_FILES),$(ZSTD_FILES))
# Special case : build library in single-thread mode _and_ without zstdmt_compress.c
# Note : we still need threading.c and pool.c for the dictionary builder,
# but they will correctly behave single-threaded.
ZSTDMT_FILES = zstdmt_compress.c
ZSTD_NOMT_FILES = $(filter-out $(ZSTDMT_FILES),$(notdir $(ZSTD_FILES)))
libzstd-nomt: CFLAGS += -fPIC -fvisibility=hidden
libzstd-nomt: LDFLAGS += -shared
libzstd-nomt: $(ZSTD_NOMT_FILES)
@echo compiling single-thread dynamic library $(LIBVER)
@echo files : $(ZSTD_NOMT_FILES)
@if echo "$(ZSTD_NOMT_FILES)" | tr ' ' '\n' | $(GREP) -q zstdmt; then \
echo "Error: Found zstdmt in list."; \
exit 1; \
fi
$(CC) $(FLAGS) $^ $(LDFLAGS) $(SONAME_FLAGS) -o $@
.PHONY: clean