uClibc-ng - small C library for embedded systems branch upstream updated. cf0234de47b019ac24e2d361d6386fdfad48f119
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- Log ----------------------------------------------------------------- commit cf0234de47b019ac24e2d361d6386fdfad48f119 Author: Bernhard Reutner-Fischer rep.dot.nop@gmail.com Date: Tue Mar 31 22:44:25 2015 +0200
libc: Fix page-size in getifaddrs()
TODO: this could need a cleanup..
Signed-off-by: Bernhard Reutner-Fischer rep.dot.nop@gmail.com
commit 5fe8fc1ac4b5eb0f9e9bb01295c14b99d80ab41e Author: Bernhard Reutner-Fischer rep.dot.nop@gmail.com Date: Tue Mar 31 22:44:22 2015 +0200
buildsys: Do not build crt upon pregen
No need to build crt when just generating headers
Signed-off-by: Bernhard Reutner-Fischer rep.dot.nop@gmail.com
commit e51d746b4b9ed54ddeed48d9e65ffd0811298c49 Author: Bernhard Reutner-Fischer rep.dot.nop@gmail.com Date: Tue Mar 31 22:44:19 2015 +0200
buildsys: tweak ucontext_i.h prerequisites
ucontext_i.h too depends on uClibc_config.h. Update it to look like the other MANGLE generated files and tweak prereqs
Fixes: make realclean ; make -j libc/misc/internals/__uClibc_main.i
Signed-off-by: Bernhard Reutner-Fischer rep.dot.nop@gmail.com
commit 5f374c1fe85a1da95c15a5cac217f8ab762ce6dd Author: Bernhard Reutner-Fischer rep.dot.nop@gmail.com Date: Tue Mar 31 22:44:12 2015 +0200
buildsys: Fix setting LIBGCC
We were ending up with multiple entries in LIBGCC for recursive child make instances, avoid that.
Signed-off-by: Bernhard Reutner-Fischer rep.dot.nop@gmail.com
commit 3a14ea8812e8695b5205a70431d513fb905c0daf Author: Bernhard Reutner-Fischer rep.dot.nop@gmail.com Date: Tue Mar 31 22:43:52 2015 +0200
Revert "librt: Use -nodefaultlibs instead of -nostdlib"
This reverts commit 534f44d53146457b3ca686c47efb9207543b88e1.
I don't think this is wanted.
Signed-off-by: Bernhard Reutner-Fischer rep.dot.nop@gmail.com
-----------------------------------------------------------------------
Summary of changes: Makefile.in | 12 +++++++----- Makerules | 17 +++++++++-------- Rules.mak | 9 +++++---- ldso/ldso/Makefile.in | 1 + libc/Makefile.in | 3 +-- libc/inet/ifaddrs.c | 13 +++++++++++-- libc/sysdeps/linux/Makefile.commonarch | 18 +++++++----------- libpthread/nptl/Makefile.in | 2 +- libpthread/nptl/sysdeps/Makefile.commonarch | 2 +- .../nptl/sysdeps/unix/sysv/linux/Makefile.commonarch | 2 +- librt/Makefile.in | 5 +---- 11 files changed, 45 insertions(+), 39 deletions(-)
diff --git a/Makefile.in b/Makefile.in index 2233be8..2beeb7d 100644 --- a/Makefile.in +++ b/Makefile.in @@ -13,7 +13,7 @@ sub_headers := headers
ifeq ($(HAVE_DOT_CONFIG),y)
-all: pregen libs +all: pregen libs startfiles libs: pregen
# In this section, we need .config @@ -57,8 +57,9 @@ ifeq ($(HAVE_DOT_CONFIG),y) $(top_builddir)include/bits/uClibc_config.h: $(conf) $(KCONFIG_CONFIG) $(top_srcdir)extra/scripts/conf-header.sh | $(top_builddir)include/bits @$(disp_gen) $(Q)$< -s $(Kconfig) - $(Q)$(top_srcdir)extra/scripts/conf-header.sh $(KCONFIG_CONFIG) > $@ + $(Q)$(top_srcdir)extra/scripts/conf-header.sh $(KCONFIG_CONFIG) > $@.tmp $(Q)$(MAKE) headers-y + $(Q)mv $@.tmp $@
# The above doesn't work for threads, though. Just using check-symlinks for now. # XXX: FIXME: this is ugly @@ -183,7 +184,10 @@ headers-y += $(target-headers-sysdep)
headers: $(top_builddir)include/bits/uClibc_config.h | subdirs subdirs: $(addprefix $(top_builddir),$(subdirs)) -pregen-headers: $(top_builddir)include/bits/sysnum.h $(pregen-headers-y) + +$(pregen-headers-y): $(headers_dep) + +pregen-headers: $(pregen-headers-y) pregen: headers pregen-headers $(Q)$(if $(UCLIBC_HAS_LOCALE),$(MAKE) -C extra/locale locale_headers)
@@ -215,8 +219,6 @@ install: install_runtime install_dev
RUNTIME_PREFIX_LIB_FROM_DEVEL_PREFIX_LIB=$(shell $(top_srcdir)extra/scripts/relative_path.sh $(DEVEL_PREFIX)$(MULTILIB_DIR) $(RUNTIME_PREFIX)$(MULTILIB_DIR))
-startfiles: $(crt-y) - $(top_builddir)extra/scripts/unifdef: |$(top_builddir)extra/scripts $(top_builddir)extra/scripts/unifdef: $(top_srcdir)extra/scripts/unifdef.c $(hcompile.u) diff --git a/Makerules b/Makerules index fd6bb19..10dc529 100644 --- a/Makerules +++ b/Makerules @@ -22,9 +22,9 @@ ifeq ($(UCLIBC_FORMAT_SHARED_FLAT),y) libs: $(lib-gdb-y) endif libs: $(lib-a-y) -$(lib-a-y): | $(top_builddir)lib endif objs: all_objs +$(lib-so-y) $(lib-a-y): | $(top_builddir)lib
# apply unconditional per-directory flags define add_IS_IN_lib @@ -451,18 +451,18 @@ CFLAGS-initfini.s := -S -g0 $(PICFLAG) -fno-inline-functions -finhibit-size-dire $(top_builddir)lib/initfini.s: $(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH)/initfini.c | $(top_builddir)lib $(compile.c)
-$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s | $(top_builddir)lib - $(Q)sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \ - gawk -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp +$(top_builddir)lib/defs.h: $(top_builddir)lib/initfini.s + $(do_sed) -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \ + $(AWK) -f $(top_srcdir)extra/scripts/defs.awk > $@.tmp $(Q)mv $@.tmp $@
$(top_builddir)lib/crti.S: $(top_builddir)lib/initfini.s $(top_builddir)lib/defs.h - $(Q)sed -n -e '1,/@HEADER_ENDS/p' \ + $(do_sed) -n -e '1,/@HEADER_ENDS/p' \ -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \ -e '/@TRAILER_BEGINS/,$$p' $< > $@
$(top_builddir)lib/crtn.S: $(top_builddir)lib/initfini.s - $(Q)sed -n -e '1,/@HEADER_ENDS/p' \ + $(do_sed) -n -e '1,/@HEADER_ENDS/p' \ -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \ -e '/@TRAILER_BEGINS/,$$p' $< > $@
@@ -482,9 +482,10 @@ CRTS_COMPAT := #endif
startfiles = $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) -$(crt-y): $(startfiles) +startfiles: $(startfiles) $(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC): | headers -$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) $(LINK_FLAT_CRTS) $(SHARED_START_FILES) $(SHARED_END_FILES) : | $(top_builddir)lib +$(CRTS) $(CTOR_TARGETS) $(CRTS_COMPAT) $(CRTRELOC) \ + $(LINK_FLAT_CRTS) $(SHARED_START_FILES) $(SHARED_END_FILES): | $(top_builddir)lib
$(top_builddir)lib/$(NONSHARED_LIBNAME): $(libc-nonshared-y) $(Q)$(RM) $@ diff --git a/Rules.mak b/Rules.mak index ea254f1..c68153e 100644 --- a/Rules.mak +++ b/Rules.mak @@ -168,7 +168,8 @@ libpthread.depend := $(top_builddir)lib/libpthread.so endif interp := $(top_builddir)lib/interp.os ldso := $(top_builddir)lib/$(UCLIBC_LDSO) -headers_dep := $(top_builddir)include/bits/sysnum.h +headers_dep := $(top_builddir)include/bits/sysnum.h \ + $(top_builddir)include/bits/uClibc_config.h sub_headers := $(headers_dep)
#LIBS :=$(interp) -L$(top_builddir)lib -lc @@ -807,12 +808,12 @@ endif ASFLAGS += $(ASFLAG_--noexecstack)
LIBGCC_CFLAGS ?= $(CFLAGS) $(CPU_CFLAGS-y) -$(eval $(call cache-output-var,LIBGCC,$(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)) +$(eval $(call cache-output-var,LIBGCC_A,$(CC) $(LIBGCC_CFLAGS) -print-libgcc-file-name)) $(eval $(call cache-output-var,LIBGCC_EH,$(CC) $(LIBGCC_CFLAGS) -print-file-name=libgcc_eh.a)) # with -O0 we (e.g. lockf) might end up with references to # _Unwind_Resume, so pull in gcc_eh in this case.. -LIBGCC_DIR:=$(dir $(LIBGCC)) -LIBGCC += $(if $(DODEBUG),$(LIBGCC_EH)) +LIBGCC_DIR := $(dir $(LIBGCC_A)) +LIBGCC := $(LIBGCC_A) $(if $(DODEBUG),$(LIBGCC_EH))
# moved from libpthread/linuxthreads ifeq ($(UCLIBC_CTOR_DTOR),y) diff --git a/ldso/ldso/Makefile.in b/ldso/ldso/Makefile.in index e0d0a09..8152642 100644 --- a/ldso/ldso/Makefile.in +++ b/ldso/ldso/Makefile.in @@ -68,6 +68,7 @@ LDFLAGS-$(UCLIBC_LDSO_NAME).so += -T $(ldso:.$(ABI_VERSION)=).lds endif
$(ldso): $(ldso:.$(ABI_VERSION)=) +$(ldso:.$(ABI_VERSION)=): | $(top_builddir)lib $(ldso:.$(ABI_VERSION)=): $($(UCLIBC_LDSO_NAME)_OUT)/$(UCLIBC_LDSO_NAME)_so.a ifeq ($(LDSO_PRELINK_SUPPORT),y) $(call create-lds) diff --git a/libc/Makefile.in b/libc/Makefile.in index 9c8152d..2abc77d 100644 --- a/libc/Makefile.in +++ b/libc/Makefile.in @@ -87,8 +87,7 @@ $(libc_OUT)/libc.oS: $(libc-multi-y) | $(top_builddir)lib/libc.a $(top_builddir) $(Q)$(RM) $@ $(compile-m)
-$(top_builddir)lib/libc.a: $(libc-a-y) | $(crt-y) - $(Q)$(INSTALL) -d $(dir $@) +$(top_builddir)lib/libc.a: $(libc-a-y) $(Q)$(RM) $@ $(do_ar)
diff --git a/libc/inet/ifaddrs.c b/libc/inet/ifaddrs.c index 6d9ee89..0c93106 100644 --- a/libc/inet/ifaddrs.c +++ b/libc/inet/ifaddrs.c @@ -115,7 +115,8 @@ __netlink_request (struct netlink_handle *h, int type) { struct netlink_res *nlm_next; struct netlink_res **new_nlm_list; - static volatile size_t buf_size = 4096; + static volatile size_t buf_size = 0; + size_t this_buf_size; char *buf; struct sockaddr_nl nladdr; struct nlmsghdr *nlmh; @@ -126,7 +127,15 @@ __netlink_request (struct netlink_handle *h, int type) if (__netlink_sendreq (h, type) < 0) return -1;
- size_t this_buf_size = buf_size; + if (buf_size) + this_buf_size = buf_size; + else { +#ifdef PAGE_SIZE + this_buf_size = PAGE_SIZE; +#else + this_buf_size = __pagesize; +#endif + } if (__libc_use_alloca (this_buf_size)) buf = alloca (this_buf_size); else diff --git a/libc/sysdeps/linux/Makefile.commonarch b/libc/sysdeps/linux/Makefile.commonarch index 1bf2dc5..f8dc17d 100644 --- a/libc/sysdeps/linux/Makefile.commonarch +++ b/libc/sysdeps/linux/Makefile.commonarch @@ -15,7 +15,6 @@ ARCH_SOBJ = $(patsubst %.s,%.o,$(patsubst %.S,%.o,$(addprefix $(ARCH_OUT)/,$(SSR
ARCH_OBJS-y = $(ARCH_COBJ) $(ARCH_SOBJ)
-crt-y := FORCE libc-y += $(ARCH_OBJS-y) libc-nomulti-y += $(ARCH_SOBJ) objclean-y += CLEAN_$(subst $(top_builddir),,$(ARCH_OUT)) @@ -47,16 +46,13 @@ HEADERCLEAN_$(subst $(top_builddir),,$(ARCH_OUT)): $(do_rm) $(ARCH_HEADERS_OUT) endif
-CFLAGS-ucontext_i.c = -S - -$(ARCH_OUT)/ucontext_i.c: $(ARCH_DIR)/ucontext_i.sym - $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< > $@ - -$(ARCH_OUT)/ucontext_i.s: $(ARCH_OUT)/ucontext_i.c - $(compile.c) - -$(ARCH_OUT)/ucontext_i.h: $(ARCH_OUT)/ucontext_i.s - $(do_sed) $(PTHREAD_GENERATE_MANGLE) $< > $@ +$(ARCH_OUT)/ucontext_i.h: $(top_srcdir)extra/scripts/gen-as-const.awk +$(ARCH_OUT)/ucontext_i.h: $(ARCH_OUT)/ucontext_i.sym + @$(disp_gen) + $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< \ + | $(CC) $(CFLAGS) -x c - -S -o - \ + | $(SED) $(PTHREAD_GENERATE_MANGLE) > $@ + @if test ! -s $@ ; then rm -f $@ ; false ; fi
pregen-headers-$(UCLIBC_HAS_CONTEXT_FUNCS) += $(ARCH_OUT)/ucontext_i.h
diff --git a/libpthread/nptl/Makefile.in b/libpthread/nptl/Makefile.in index 0a981cd..55eeba2 100644 --- a/libpthread/nptl/Makefile.in +++ b/libpthread/nptl/Makefile.in @@ -92,7 +92,7 @@ $(top_builddir)lib/libpthread.a: $(libpthread-a-y) $(Q)$(RM) $@ $(do_ar)
-$(libpthread_OUT)/pthread-errnos.h: $(top_srcdir)extra/scripts/gen-as-const.awk | headers +$(libpthread_OUT)/pthread-errnos.h: $(top_srcdir)extra/scripts/gen-as-const.awk $(libpthread_OUT)/pthread-errnos.h: $(libpthread_DIR)/pthread-errnos.sym @$(disp_gen) $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< \ diff --git a/libpthread/nptl/sysdeps/Makefile.commonarch b/libpthread/nptl/sysdeps/Makefile.commonarch index a5952a6..7f531f5 100644 --- a/libpthread/nptl/sysdeps/Makefile.commonarch +++ b/libpthread/nptl/sysdeps/Makefile.commonarch @@ -40,7 +40,7 @@ librt_arch_COBJ = $(patsubst %.c,$(libpthread_arch_OUT)/%.o,$(librt_arch_CSRC)) librt_arch_SOBJ = $(patsubst %.S,$(libpthread_arch_OUT)/%.o,$(librt_arch_SSRC)) librt_arch_OBJS = $(librt_arch_COBJ) $(librt_arch_SOBJ)
-$(libpthread_arch_OUT)/tcb-offsets.h: $(top_srcdir)extra/scripts/gen-as-const.awk | headers +$(libpthread_arch_OUT)/tcb-offsets.h: $(top_srcdir)extra/scripts/gen-as-const.awk $(libpthread_arch_OUT)/tcb-offsets.h: $(libpthread_arch_DIR)/tcb-offsets.sym @$(disp_gen) $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< \ diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch index e4a5fc5..4e14773 100644 --- a/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch +++ b/libpthread/nptl/sysdeps/unix/sysv/linux/Makefile.commonarch @@ -137,7 +137,7 @@ endif PTHREAD_LINUX_SYM := $(notdir $(wildcard $(libpthread_linux_DIR)/*.sym)) PTHREAD_LINUX_SYM_H := $(addprefix $(libpthread_linux_OUT)/,$(PTHREAD_LINUX_SYM:.sym=.h))
-$(PTHREAD_LINUX_SYM_H): $(top_srcdir)extra/scripts/gen-as-const.awk | headers +$(PTHREAD_LINUX_SYM_H): $(top_srcdir)extra/scripts/gen-as-const.awk $(PTHREAD_LINUX_SYM_H): $(libpthread_linux_OUT)/%.h: $(libpthread_linux_DIR)/%.sym @$(disp_gen) $(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< \ diff --git a/librt/Makefile.in b/librt/Makefile.in index fbbf5b4..a246d00 100644 --- a/librt/Makefile.in +++ b/librt/Makefile.in @@ -15,9 +15,6 @@ LIBS-librt.so := $(LIBS) ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y) LIBS-librt.so += $(top_builddir)lib/libdl.so $(top_builddir)lib/libpthread.so endif -START_FILE-librt.so := $(SHARED_START_FILES) -END_FILE-librt.so := $(SHARED_END_FILES) -
librt_FULL_NAME := librt-$(VERSION).so
@@ -76,7 +73,7 @@ $(librt_OUT)/librt_so.a: $(librt-so-y) $(Q)$(RM) $@ $(do_ar)
-$(top_builddir)lib/librt.a: $(librt-a-y) | $(top_builddir)lib +$(top_builddir)lib/librt.a: $(librt-a-y) $(Q)$(RM) $@ $(do_ar)
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