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Diffstat (limited to '')
| -rw-r--r-- | libc-top-half/musl/Makefile | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/libc-top-half/musl/Makefile b/libc-top-half/musl/Makefile new file mode 100644 index 0000000..e8cc443 --- /dev/null +++ b/libc-top-half/musl/Makefile @@ -0,0 +1,237 @@ +# +# Makefile for musl (requires GNU make) +# +# This is how simple every makefile should be... +# No, I take that back - actually most should be less than half this size. +# +# Use config.mak to override any of the following variables. +# Do not make changes here. +# + +srcdir = . +exec_prefix = /usr/local +bindir = $(exec_prefix)/bin + +prefix = /usr/local/musl +includedir = $(prefix)/include +libdir = $(prefix)/lib +syslibdir = /lib + +MALLOC_DIR = mallocng +SRC_DIRS = $(addprefix $(srcdir)/,src/* src/malloc/$(MALLOC_DIR) crt ldso $(COMPAT_SRC_DIRS)) +BASE_GLOBS = $(addsuffix /*.c,$(SRC_DIRS)) +ARCH_GLOBS = $(addsuffix /$(ARCH)/*.[csS],$(SRC_DIRS)) +BASE_SRCS = $(sort $(wildcard $(BASE_GLOBS))) +ARCH_SRCS = $(sort $(wildcard $(ARCH_GLOBS))) +BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS))) +ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS))) +REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS))) +ALL_OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS)))) + +LIBC_OBJS = $(filter obj/src/%,$(ALL_OBJS)) $(filter obj/compat/%,$(ALL_OBJS)) +LDSO_OBJS = $(filter obj/ldso/%,$(ALL_OBJS:%.o=%.lo)) +CRT_OBJS = $(filter obj/crt/%,$(ALL_OBJS)) + +AOBJS = $(LIBC_OBJS) +LOBJS = $(LIBC_OBJS:.o=.lo) +GENH = obj/include/bits/alltypes.h obj/include/bits/syscall.h +GENH_INT = obj/src/internal/version.h +IMPH = $(addprefix $(srcdir)/, src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/locale_impl.h src/internal/libc.h) + +LDFLAGS = +LDFLAGS_AUTO = +LIBCC = -lgcc +CPPFLAGS = +CFLAGS = +CFLAGS_AUTO = -Os -pipe +CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc + +CFLAGS_ALL = $(CFLAGS_C99FSE) +CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/include -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include +CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS) + +LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS) + +AR = $(CROSS_COMPILE)ar +RANLIB = $(CROSS_COMPILE)ranlib +INSTALL = $(srcdir)/tools/install.sh + +ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h) +GENERIC_INCLUDES = $(wildcard $(srcdir)/arch/generic/bits/*.h) +INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h) +ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%) $(GENERIC_INCLUDES:$(srcdir)/arch/generic/%=include/%)) + +EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl +EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a) +CRT_LIBS = $(addprefix lib/,$(notdir $(CRT_OBJS))) +STATIC_LIBS = lib/libc.a +SHARED_LIBS = lib/libc.so +TOOL_LIBS = lib/musl-gcc.specs +ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS) +ALL_TOOLS = obj/musl-gcc + +WRAPCC_GCC = gcc +WRAPCC_CLANG = clang + +LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1 + +-include config.mak +-include $(srcdir)/arch/$(ARCH)/arch.mak + +ifeq ($(ARCH),) + +all: + @echo "Please set ARCH in config.mak before running make." + @exit 1 + +else + +all: $(ALL_LIBS) $(ALL_TOOLS) + +OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(GENH) $(GENH_INT))) obj/include) + +$(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(ALL_OBJS:%.o=%.lo) $(GENH) $(GENH_INT): | $(OBJ_DIRS) + +$(OBJ_DIRS): + mkdir -p $@ + +obj/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed + sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@ + +obj/include/bits/syscall.h: $(srcdir)/arch/$(ARCH)/bits/syscall.h.in + cp $< $@ + sed -n -e s/__NR_/SYS_/p < $< >> $@ + +obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git) + printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@ + +obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h + +obj/crt/rcrt1.o obj/ldso/dlstart.lo obj/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h + +obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h + +obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c + +obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC + +OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%)) +$(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3 + +MEMOPS_OBJS = $(filter %/memcpy.o %/memmove.o %/memcmp.o %/memset.o, $(LIBC_OBJS)) +$(MEMOPS_OBJS) $(MEMOPS_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS) + +NOSSP_OBJS = $(CRT_OBJS) $(LDSO_OBJS) $(filter \ + %/__libc_start_main.o %/__init_tls.o %/__stack_chk_fail.o \ + %/__set_thread_area.o %/memset.o %/memcpy.o \ + , $(LIBC_OBJS)) +$(NOSSP_OBJS) $(NOSSP_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) + +$(CRT_OBJS): CFLAGS_ALL += -DCRT + +$(LOBJS) $(LDSO_OBJS): CFLAGS_ALL += -fPIC + +CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $< + +# Choose invocation of assembler to be used +ifeq ($(ADD_CFI),yes) + AS_CMD = LC_ALL=C awk -f $(srcdir)/tools/add-cfi.common.awk -f $(srcdir)/tools/add-cfi.$(ARCH).awk $< | $(CC) $(CFLAGS_ALL) -x assembler -c -o $@ - +else + AS_CMD = $(CC_CMD) +endif + +obj/%.o: $(srcdir)/%.s + $(AS_CMD) + +obj/%.o: $(srcdir)/%.S + $(CC_CMD) + +obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH) + $(CC_CMD) + +obj/%.lo: $(srcdir)/%.s + $(AS_CMD) + +obj/%.lo: $(srcdir)/%.S + $(CC_CMD) + +obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH) + $(CC_CMD) + +lib/libc.so: $(LOBJS) $(LDSO_OBJS) + $(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \ + -Wl,-e,_dlstart -o $@ $(LOBJS) $(LDSO_OBJS) $(LIBCC) + +lib/libc.a: $(AOBJS) + rm -f $@ + $(AR) rc $@ $(AOBJS) + $(RANLIB) $@ + +$(EMPTY_LIBS): + rm -f $@ + $(AR) rc $@ + +lib/%.o: obj/crt/$(ARCH)/%.o + cp $< $@ + +lib/%.o: obj/crt/%.o + cp $< $@ + +lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak + sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@ + +obj/musl-gcc: config.mak + printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@ + chmod +x $@ + +obj/%-clang: $(srcdir)/tools/%-clang.in config.mak + sed -e 's!@CC@!$(WRAPCC_CLANG)!g' -e 's!@PREFIX@!$(prefix)!g' -e 's!@INCDIR@!$(includedir)!g' -e 's!@LIBDIR@!$(libdir)!g' -e 's!@LDSO@!$(LDSO_PATHNAME)!g' $< > $@ + chmod +x $@ + +$(DESTDIR)$(bindir)/%: obj/% + $(INSTALL) -D $< $@ + +$(DESTDIR)$(libdir)/%.so: lib/%.so + $(INSTALL) -D -m 755 $< $@ + +$(DESTDIR)$(libdir)/%: lib/% + $(INSTALL) -D -m 644 $< $@ + +$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/% + $(INSTALL) -D -m 644 $< $@ + +$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/generic/bits/% + $(INSTALL) -D -m 644 $< $@ + +$(DESTDIR)$(includedir)/bits/%: obj/include/bits/% + $(INSTALL) -D -m 644 $< $@ + +$(DESTDIR)$(includedir)/%: $(srcdir)/include/% + $(INSTALL) -D -m 644 $< $@ + +$(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so + $(INSTALL) -D -l $(libdir)/libc.so $@ || true + +install-libs: $(ALL_LIBS:lib/%=$(DESTDIR)$(libdir)/%) $(if $(SHARED_LIBS),$(DESTDIR)$(LDSO_PATHNAME),) + +install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) + +install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%) + +install: install-libs install-headers install-tools + +musl-git-%.tar.gz: .git + git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) + +musl-%.tar.gz: .git + git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) + +endif + +clean: + rm -rf obj lib + +distclean: clean + rm -f config.mak + +.PHONY: all clean install install-libs install-headers install-tools |