track header dependencies during build

modifying a header file will now trigger recompilation of related *.c units
dev
Yann Collet 2020-10-16 00:18:16 -07:00
parent 80cee8d3fe
commit b6b87c2b77
1 changed files with 25 additions and 0 deletions

View File

@ -15,6 +15,9 @@
# zstd-decompress : decompressor-only version of zstd
# ##########################################################################
# verbose mode can be triggered by V=1 or VERBOSE=1
Q = $(if $(filter 1,$(V) $(VERBOSE)),,@)
ZSTDDIR := ../lib
# Version numbers
@ -318,6 +321,28 @@ preview-man: clean-man man
man ./zstdgrep.1
man ./zstdless.1
# Generate .h dependencies automatically
MKDIR = mkdir
DEPDIR := .deps
DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.d
COMPILE.c = $(CC) $(DEPFLAGS) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
%.o : %.c
%.o : %.c $(DEPDIR)/%.d | $(DEPDIR)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(DEPDIR): ; $(Q)$(MKDIR) -p $@
DEPFILES := $(ZSTDLIB_LOCAL_SRC:%.c=$(DEPDIR)/%.d)
$(DEPFILES):
include $(wildcard $(DEPFILES))
#-----------------------------------------------------------------------------
# make install is validated only for Linux, macOS, BSD, Hurd and Solaris targets
#-----------------------------------------------------------------------------