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Added NO_AMALG flag to Makefile to build janet from the individual

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source files instead of from the amalgamated janet.c; this considerably
speeds up parallel builds on modern CPUs
This commit is contained in:
Ico Doornekamp 2023-06-01 14:21:15 +02:00
parent e97299fc65
commit bb4ff05d35
2 changed files with 25 additions and 9 deletions
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25
Makefile
View File

@ -39,6 +39,8 @@ JANET_PATH?=$(LIBDIR)/janet
JANET_MANPATH?=$(PREFIX)/share/man/man1/
JANET_PKG_CONFIG_PATH?=$(LIBDIR)/pkgconfig
JANET_DIST_DIR?=janet-dist
JANET_BOOT_FLAGS:=. JANET_PATH '$(JANET_PATH)'
JANET_TARGET_OBJECTS=build/janet.o build/shell.o
JPM_TAG?=master
DEBUGGER=gdb
SONAME_SETTER=-Wl,-soname,
@ -54,6 +56,12 @@ COMMON_CFLAGS:=-std=c99 -Wall -Wextra -Isrc/include -Isrc/conf -fvisibility=hidd
BOOT_CFLAGS:=-DJANET_BOOTSTRAP -DJANET_BUILD=$(JANET_BUILD) -O0 $(COMMON_CFLAGS) -g
BUILD_CFLAGS:=$(CFLAGS) $(COMMON_CFLAGS)
# Disable amalgamated build
ifeq ($(JANET_NO_AMALG), 1)
JANET_TARGET_OBJECTS+=$(patsubst src/%.c,build/%.bin.o,$(JANET_CORE_SOURCES))
JANET_BOOT_FLAGS+=image-only
endif
# For installation
LDCONFIG:=ldconfig "$(LIBDIR)"
@ -88,7 +96,7 @@ ifeq ($(findstring MINGW,$(UNAME)), MINGW)
JANET_BOOT:=$(JANET_BOOT).exe
endif
$(shell mkdir -p build/core build/c build/boot)
$(shell mkdir -p build/core build/c build/boot build/mainclient)
all: $(JANET_TARGET) $(JANET_LIBRARY) $(JANET_STATIC_LIBRARY) build/janet.h
######################
@ -172,9 +180,16 @@ $(JANET_BOOT): $(JANET_BOOT_OBJECTS)
# Now the reason we bootstrap in the first place
build/c/janet.c: $(JANET_BOOT) src/boot/boot.janet
$(RUN) $(JANET_BOOT) . JANET_PATH '$(JANET_PATH)' > $@
$(RUN) $(JANET_BOOT) $(JANET_BOOT_FLAGS) > $@
cksum $@
##################
##### Quicky #####
##################
build/%.bin.o: src/%.c $(JANET_HEADERS) $(JANET_LOCAL_HEADERS) Makefile
$(HOSTCC) $(BUILD_CFLAGS) -o $@ -c $<
########################
##### Amalgamation #####
########################
@ -200,13 +215,13 @@ build/janet.o: build/c/janet.c $(JANETCONF_HEADER) src/include/janet.h
build/shell.o: build/c/shell.c $(JANETCONF_HEADER) src/include/janet.h
$(HOSTCC) $(BUILD_CFLAGS) -c $< -o $@
$(JANET_TARGET): build/janet.o build/shell.o
$(JANET_TARGET): $(JANET_TARGET_OBJECTS)
$(HOSTCC) $(LDFLAGS) $(BUILD_CFLAGS) -o $@ $^ $(CLIBS)
$(JANET_LIBRARY): build/janet.o build/shell.o
$(JANET_LIBRARY): $(JANET_TARGET_OBJECTS)
$(HOSTCC) $(LDFLAGS) $(BUILD_CFLAGS) $(SONAME_SETTER)$(SONAME) -shared -o $@ $^ $(CLIBS)
$(JANET_STATIC_LIBRARY): build/janet.o build/shell.o
$(JANET_STATIC_LIBRARY): $(JANET_TARGET_OBJECTS)
$(HOSTAR) rcs $@ $^
###################

9
src/boot/boot.janet
View File

@ -4157,10 +4157,11 @@
(defn do-one-file
[fname]
(print "\n/* " fname " */")
(print "#line 0 \"" fname "\"\n")
(def source (slurp fname))
(print (string/replace-all "\r" "" source)))
(if-not (has-value? boot/args "image-only") (do
(print "\n/* " fname " */")
(print "#line 0 \"" fname "\"\n")
(def source (slurp fname))
(print (string/replace-all "\r" "" source)))))
(do-one-file feature-header)