fix sigaltstack to ignore ss_size with SS_DISABLE, per POSIX

[android-x86/external-musl-libc.git] / Makefile

diff --git a/Makefile b/Makefile
index 6daf2c4..b46f8ca 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -33,9 +33,9 @@ CRT_OBJS = $(filter obj/crt/%,$(ALL_OBJS))
 
 AOBJS = $(LIBC_OBJS)
 LOBJS = $(LIBC_OBJS:.o=.lo)
-GENH = obj/include/bits/alltypes.h
+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/libc.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 =
@@ -46,7 +46,7 @@ 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$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include
+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)
@@ -62,7 +62,7 @@ ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:
 
 EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl
 EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a)
-CRT_LIBS = lib/crt1.o lib/Scrt1.o lib/rcrt1.o lib/crti.o lib/crtn.o
+CRT_LIBS = $(addprefix lib/,$(notdir $(CRT_OBJS)))
 STATIC_LIBS = lib/libc.a
 SHARED_LIBS = lib/libc.so
 TOOL_LIBS = lib/musl-gcc.specs
@@ -77,8 +77,12 @@ LDSO_PATHNAME = $(syslibdir)/ld-musl-$(ARCH)$(SUBARCH).so.1
 -include config.mak
 
 ifeq ($(ARCH),)
-$(error Please set ARCH in config.mak before running make.)
-endif
+
+all:
+       @echo "Please set ARCH in config.mak before running make."
+       @exit 1
+
+else
 
 all: $(ALL_LIBS) $(ALL_TOOLS)
 
@@ -89,17 +93,13 @@ $(ALL_LIBS) $(ALL_TOOLS) $(ALL_OBJS) $(ALL_OBJS:%.o=%.lo) $(GENH) $(GENH_INT): |
 $(OBJ_DIRS):
        mkdir -p $@
 
-install: install-libs install-headers install-tools
-
-clean:
-       rm -rf obj lib
-
-distclean: clean
-       rm -f config.mak
-
 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)" > $@
 
@@ -113,24 +113,17 @@ obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c
 
 obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC
 
-obj/crt/$(ARCH)/crti.o: $(srcdir)/crt/$(ARCH)/crti.s
-
-obj/crt/$(ARCH)/crtn.o: $(srcdir)/crt/$(ARCH)/crtn.s
-
 OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%))
 $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3
 
-MEMOPS_SRCS = src/string/memcpy.c src/string/memmove.c src/string/memcmp.c src/string/memset.c
-$(MEMOPS_SRCS:%.c=obj/%.o) $(MEMOPS_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS)
+MEMOPS_OBJS = $(filter %/memcpy.o %/memmove.o %/memcmp.o %/memset.o, $(LIBC_OBJS))
+$(MEMOPS_OBJS) $(MEMOPS_OBJS:%.o=%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS)
 
-NOSSP_SRCS = $(wildcard crt/*.c) \
-       src/env/__libc_start_main.c src/env/__init_tls.c \
-       src/env/__stack_chk_fail.c \
-       src/thread/__set_thread_area.c src/thread/$(ARCH)/__set_thread_area.c \
-       src/string/memset.c src/string/$(ARCH)/memset.c \
-       src/string/memcpy.c src/string/$(ARCH)/memcpy.c \
-       ldso/dlstart.c ldso/dynlink.c
-$(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP)
+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
 
@@ -223,10 +216,20 @@ 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