commit f9f434747f348c70f60f06fddab5de2e02616a8c
parent 80786a2342984eefadc4b2b1c6402dacbb57bfa8
Author: Quentin Rameau <quinq@fifth.space>
Date: Thu, 9 Mar 2017 12:33:55 +0100
[libc] Improve Makefile system using dynamic list
Diffstat:
7 files changed, 101 insertions(+), 36 deletions(-)
diff --git a/libc/src/Makefile b/libc/src/Makefile
@@ -2,7 +2,11 @@
.POSIX:
include ../../config.mk
-include sys/$(ARCH)-$(SYS)/system.mk
+
+SYSDIR = sys/$(ARCH)-$(SYS)
+SYSINC = $(SYSDIR)/system.mk
+
+-include $(SYSINC)
LIBCOBJ = assert.o strcpy.o strcmp.o strlen.o strchr.o \
strrchr.o strcat.o strncmp.o strncpy.o strncat.o strcoll.o \
@@ -14,18 +18,26 @@ LIBCOBJ = assert.o strcpy.o strcmp.o strlen.o strchr.o \
localeconv.o atoi.o atexit.o exit.o \
printf.o fprintf.o vfprintf.o \
realloc.o calloc.o malloc.o
+LIBCSYSOBJ = $(SYSOBJ:%=$(SYSDIR)/%)
+OBJ = $(LIBCOBJ) $(LIBCSYSOBJ)
-OBJ = $(LIBCOBJ) $(SYSOBJ)
+all: all.bootstrap
+all.start: libc.a
-all: libc.a
+clean: clean.bootstrap
+clean.start:
+ rm -f *.o libc.a
+ cd $(SYSDIR) && $(MAKE) -e clean
-$(SYSOBJ):
- cd sys/$(ARCH)-$(SYS) && make all
+all.bootstrap clean.bootstrap: $(SYSINC)
+ $(MAKE) -e $(@:%.bootstrap=%.start)
-libc.a: $(OBJ)
- $(AR) $(ARFLAGS) $@ $?
+$(SYSINC): $(SYSDIR)/Makefile $(SYSDIR)/syscall.lst
+ cd $(SYSDIR) && $(MAKE) -e system.mk
+
+libc.a: $(SYSINC) $(OBJ)
+ $(AR) $(ARFLAGS) $@ $(OBJ)
ranlib $@
-clean:
- rm -f *.o libc.a
- cd sys/$(ARCH)-$(SYS) && make clean
+$(LIBCSYSOBJ):
+ cd $(SYSDIR) && $(MAKE) -e
diff --git a/libc/src/sys/amd64-linux/system.mk b/libc/src/sys/amd64-linux/system.mk
@@ -1 +0,0 @@
-$(SYSOBJ) = _read.o _write.o _open.o _close.o _lseek.o _brk.o _rt_sigaction.o _getpid.o _Exit.o _kill.o _sbrk.o
diff --git a/libc/src/sys/amd64-sysv-linux/Makefile b/libc/src/sys/amd64-sysv-linux/Makefile
@@ -2,21 +2,32 @@
.POSIX:
include ../../../../config.mk
+-include system.mk
+-include sysgen.mk
-OBJ_GEN = _read.o _write.o _open.o _close.o _lseek.o _brk.o\
- _rt_sigaction.o _getpid.o _Exit.o _kill.o
+GENASM = $(GENOBJ:.o=.s)
+OBJ =
-ASM_GEN = $(OBJ_GEN:.o=.s)
-OBJ = $(OBJ_GEN)
+all: all.bootstrap
+all.start: $(SYSOBJ)
-all: $(OBJ) system.mk
+clean: clean.bootstrap
+clean.start:
+ rm -f *.o $(GENASM) system.mk sysgen.mk
-system.mk: Makefile
- echo SYSOBJ = $(OBJ) > system.mk
+all.bootstrap clean.bootstrap: system.mk sysgen.mk
+ $(MAKE) -e $(@:%.bootstrap=%.start)
-$(ASM_GEN): syscall.lst
- awk -f syscall.awk < syscall.lst
+system.mk: Makefile syscall.lst
+ printf '%s ' 'SYSOBJ =' \
+ "$$(awk '/^#/{next}{printf "%s.o ", $$2}' syscall.lst)" \
+ $(OBJ) \
+ > $@
+
+sysgen.mk: syscall.lst
+ printf '%s ' 'GENOBJ =' \
+ "$$(awk '/^#/{next}{printf "%s.o ", $$2}' syscall.lst)" \
+ > $@
-clean:
- rm -f *.o
- rm -f $(ASM_GEN)
+$(GENASM): syscall.lst
+ awk -f syscall.awk < syscall.lst
diff --git a/libc/src/sys/qbe-linux/Makefile b/libc/src/sys/qbe-linux/Makefile
@@ -2,21 +2,32 @@
.POSIX:
include ../../../../config.mk
+-include system.mk
+-include sysgen.mk
-OBJ_GEN = _read.o _write.o _open.o _close.o _lseek.o _brk.o\
- _rt_sigaction.o _getpid.o _Exit.o _kill.o
+GENASM = $(GENOBJ:.o=.s)
+OBJ =
-ASM_GEN = $(OBJ_GEN:.o=.s)
-OBJ = $(OBJ_GEN)
+all: all.bootstrap
+all.start: $(SYSOBJ)
-all: $(OBJ) system.mk
+clean: clean.bootstrap
+clean.start:
+ rm -f *.o $(GENASM) system.mk sysgen.mk
-system.mk: Makefile
- echo SYSOBJ = $(OBJ) > system.mk
+all.bootstrap clean.bootstrap: system.mk sysgen.mk
+ $(MAKE) -e $(@:%.bootstrap=%.start)
-$(ASM_GEN): syscall.lst
- awk -f syscall.awk < syscall.lst
+system.mk: Makefile syscall.lst
+ printf '%s ' 'SYSOBJ =' \
+ "$$(awk '/^#/{next}{printf "%s.o ", $$2}' syscall.lst)" \
+ $(OBJ) \
+ > $@
+
+sysgen.mk: syscall.lst
+ printf '%s ' 'GENOBJ =' \
+ "$$(awk '/^#/{next}{printf "%s.o ", $$2}' syscall.lst)" \
+ > $@
-clean:
- rm -f *.o
- rm -f $(ASM_GEN)
+$(GENASM): syscall.lst
+ awk -f syscall.awk < syscall.lst
diff --git a/libc/src/sys/qbe-linux/system.mk b/libc/src/sys/qbe-linux/system.mk
@@ -1 +0,0 @@
-$(SYSOBJ) = _read.o _write.o _open.o _close.o _lseek.o _brk.o _rt_sigaction.o _getpid.o _Exit.o _kill.o _sbrk.o
diff --git a/libc/src/sys/z80-linux/Makefile b/libc/src/sys/z80-linux/Makefile
@@ -0,0 +1,33 @@
+# See LICENSE file for copyright and license details.
+.POSIX:
+
+include ../../../../config.mk
+-include system.mk
+-include sysgen.mk
+
+GENASM = $(GENOBJ:.o=.s)
+OBJ =
+
+all: all.bootstrap
+all.start: $(SYSOBJ)
+
+clean: clean.bootstrap
+clean.start:
+ rm -f *.o $(GENASM) system.mk sysgen.mk
+
+all.bootstrap clean.bootstrap: system.mk sysgen.mk
+ $(MAKE) -e $(@:%.bootstrap=%.start)
+
+system.mk: Makefile syscall.lst
+ printf '%s ' 'SYSOBJ =' \
+ "$$(awk '/^#/{next}{printf "%s.o ", $$2}' syscall.lst)" \
+ $(OBJ) \
+ > $@
+
+sysgen.mk: syscall.lst
+ printf '%s ' 'GENOBJ =' \
+ "$$(awk '/^#/{next}{printf "%s.o ", $$2}' syscall.lst)" \
+ > $@
+
+$(GENASM): syscall.lst
+ awk -f syscall.awk < syscall.lst
diff --git a/libc/src/sys/z80-linux/syscall.lst b/libc/src/sys/z80-linux/syscall.lst
