GGLinnk/bees
1
0
Fork 0
mirror of https://github.com/Zygo/bees.git synced 2025-05-17 21:35:45 +02:00
Code Packages

Makefile: speedup dependency generation

Browse Source 
Dependencies can be generated in parallel which can be much faster. It
also puts away the problem that for may fail multiple times in a row and
leaving behind a broken intermediate file which would be picked up by
successive runs.

Signed-off-by: Kai Krakow <kai@kaishome.de>
This commit is contained in:
Kai Krakow 2018-01-16 01:02:57 +01:00
parent b8f933d360
commit d6b847db0d
4 changed files with 37 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@ -1,6 +1,7 @@
*.[ao]
*.bak
*.new
*.dep
*.so*
Doxyfile
README.html

8
lib/Makefile
View File

@ -24,8 +24,12 @@ libcrucible.so: $(CRUCIBLE_OBJS)
include ../makeflags
depends.mk: *.cc
for x in $^; do $(CXX) $(CXXFLAGS) -M -MG -MT "$${x/%.cc/.o}" "$$x"; done > $@.new
.depends/%.dep: %.cc Makefile
@mkdir -p .depends
$(CXX) $(CXXFLAGS) -M -MF $@ -MT $(<:.cc=.o) $<
depends.mk: $(CRUCIBLE_OBJS:%.o=.depends/%.dep)
cat $^ > $@.new
mv -f $@.new $@
.version.cc: Makefile ../makeflags *.cc ../include/crucible/*.h

43
src/Makefile
View File

@ -10,23 +10,6 @@ include ../makeflags
LIBS = -lcrucible -lpthread
LDFLAGS = -L../lib
depends.mk: Makefile *.cc
for x in *.cc; do $(CXX) $(CXXFLAGS) -M "$$x"; done > depends.mk.new
mv -fv depends.mk.new depends.mk
bees-version.c: Makefile *.cc *.h
echo "const char *BEES_VERSION = \"$(shell git describe --always --dirty || echo UNKNOWN)\";" > bees-version.new.c
mv -f bees-version.new.c bees-version.c
include depends.mk
%.o: %.cc %.h
$(CXX) $(CXXFLAGS) -o "$@" -c "$<"
../bin/%: %.o
@echo Implicit bin rule "$<" '->' "$@"
$(CXX) $(CXXFLAGS) -o "$@" "$<" $(LDFLAGS) $(LIBS)
BEES_OBJS = \
bees.o \
bees-context.o \
@ -35,10 +18,30 @@ BEES_OBJS = \
bees-roots.o \
bees-thread.o \
bees-types.o \
bees-version.o \
../bin/bees: $(BEES_OBJS)
$(CXX) $(CXXFLAGS) -o "$@" $(BEES_OBJS) $(LDFLAGS) $(LIBS)
bees-version.c: bees.h $(BEES_OBJS:.o=.cc) Makefile
echo "const char *BEES_VERSION = \"$(shell git describe --always --dirty || echo UNKNOWN)\";" > bees-version.new.c
mv -f bees-version.new.c bees-version.c
.depends/%.dep: %.cc Makefile
@mkdir -p .depends
$(CXX) $(CXXFLAGS) -M -MF $@ -MT $(<:.cc=.o) $<
depends.mk: $(BEES_OBJS:%.o=.depends/%.dep)
cat $^ > $@.new
mv -f $@.new $@
include depends.mk
%.o: %.cc %.h
$(CXX) $(CXXFLAGS) -o "$@" -c "$<"
../bin/%: %.o
@echo Implicit bin rule "$<" '->' "$@"
$(CXX) $(CXXFLAGS) $(LDFLAGS) $(LIBS) -o $@ $<
../bin/bees: $(BEES_OBJS) bees-version.o
$(CXX) $(CXXFLAGS) -o "$@" $^ $(LDFLAGS) $(LIBS)
clean:
-rm -fv bees-version.h

10
test/Makefile
View File

@ -17,9 +17,13 @@ include ../makeflags
LIBS = -lcrucible -lpthread
LDFLAGS = -L../lib -Wl,-rpath=$(shell realpath ../lib)
depends.mk: *.cc
for x in *.cc; do $(CXX) $(CXXFLAGS) -M "$$x"; done > depends.mk.new
mv -fv depends.mk.new depends.mk
.depends/%.dep: %.cc
@mkdir -p .depends
$(CXX) $(CXXFLAGS) -M -MF $@ -MT $(<:.cc=.o) $<
depends.mk: $(PROGRAMS:%=.depends/%.dep)
cat $^ > $@.new
mv -f $@.new $@
include depends.mk