uClibc-warn-once.patch

   1 commit 00d805f334c009164d7cecab931086a0545af8d1
   2 Author: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
   3 Date:   Fri Oct 9 18:10:50 2009 +0200
   4
   5     check_ld some more flags
   6
   7       gold does not currently implement these.
   8
   9     Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
  10
  11 diff --git a/Rules.mak b/Rules.mak
  12 index d64897f..ceb1e10 100644
  13 --- a/Rules.mak
  14 +++ b/Rules.mak
  15 @@ -282,7 +282,7 @@ endif
  16         # Idx Name          Size      VMA       LMA       File off  Algn
  17         #   0 .text         xxxxxxxx  00000000  00000000  xxxxxxxx  2**2 <===!
  18         CPU_CFLAGS-y  += $(call check_gcc,-ffunction-sections -fdata-sections,)
  19 -ifneq ($(call check_ld,--sort-common,),)
  20 +ifneq ($(call check_ld,--sort-common),)
  21         CPU_LDFLAGS-y += -Wl,--sort-common
  22  endif
  23  ifneq ($(call check_ld,--sort-section alignment),)
  24 @@ -547,8 +547,11 @@ ifneq ($(HAVE_SHARED),y)
  25  CFLAGS += -DSTATIC
  26  endif
  27
  28 +LDFLAG_WARN_ONCE:=$(if $(call check_ld,--warn-once),-Wl$(comma)--warn-once)
  29 +LDFLAG_SORT_COMMON:=$(if $(call check_ld,--sort-common),-Wl$(comma)--sort-common)
  30 +LDFLAG_DISCARD_ALL:=$(if $(call check_ld,--discard-all),-Wl$(comma)--discard-all)
  31  LDFLAGS_NOSTRIP:=$(CPU_LDFLAGS-y) -shared \
  32 -       -Wl,--warn-common -Wl,--warn-once -Wl,-z,combreloc
  33 +       -Wl,--warn-common $(LDFLAG_WARN_ONCE) -Wl,-z,combreloc
  34  # binutils-2.16.1 warns about ignored sections, 2.16.91.0.3 and newer are ok
  35  #LDFLAGS_NOSTRIP+=$(call check_ld,--gc-sections)
  36
  37 diff --git a/ldso/ldso/Makefile.in b/ldso/ldso/Makefile.in
  38 index 350cc81..9e228b7 100644
  39 --- a/ldso/ldso/Makefile.in
  40 +++ b/ldso/ldso/Makefile.in
  41 @@ -35,7 +35,7 @@ LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS)
  42  else
  43  LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS_NOSTRIP) -Wl,-z,defs
  44  endif
  45 -LDFLAGS-$(UCLIBC_LDSO_NAME).so += -Wl,-e,_start -Wl,-z,now -Wl,-Bsymbolic -Wl,--export-dynamic -Wl,--sort-common -Wl,--discard-locals -Wl,--discard-all -Wl,--no-undefined
  46 +LDFLAGS-$(UCLIBC_LDSO_NAME).so += -Wl,-e,_start -Wl,-z,now -Wl,-Bsymbolic -Wl,--export-dynamic $(LDFLAG_SORT_COMMON) -Wl,--discard-locals $(LDFLAG_DISCARD_ALL) -Wl,--no-undefined
  47
  48  ldso_FULL_NAME := $(UCLIBC_LDSO_NAME)-$(VERSION).so
  49