From: Thomas Petazzoni Date: Fri, 18 Mar 2016 21:08:09 +0000 (+0100) Subject: uclibc: disable DOPIC on ARM FLAT X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8c2170c76a27297868b36868bbcf190862a2e817;p=buildroot.git uclibc: disable DOPIC on ARM FLAT As explained by Waldemar, enabling DOPIC in uClibc will lead to the creation of a Position Independent library. In turn, this will cause elf2flt to generate a "Has-PIC-GOT" flat binary, which doesn't work on ARM. In fact, elf2flt on ARM really expect to have non-PIC code as input, so we must disable DOPIC in the uClibc configuration. Signed-off-by: Thomas Petazzoni Reviewed-by: Arnout Vandecappelle (Essensium/Mind) Signed-off-by: Thomas Petazzoni --- diff --git a/package/uclibc/uclibc.mk b/package/uclibc/uclibc.mk index ad94494bcc..e3e45f7bcd 100644 --- a/package/uclibc/uclibc.mk +++ b/package/uclibc/uclibc.mk @@ -82,6 +82,12 @@ ifeq ($(BR2_GCC_VERSION_4_7_X)$(BR2_GCC_VERSION_4_8_X):$(BR2_ARM_INSTRUCTIONS_TH UCLIBC_EXTRA_CFLAGS += -marm endif +ifeq ($(BR2_BINFMT_FLAT),y) +define UCLIBC_ARM_BINFMT_FLAT + $(call KCONFIG_DISABLE_OPT,DOPIC,$(@D)/.config) +endef +endif + endif # arm # @@ -354,6 +360,7 @@ define UCLIBC_KCONFIG_FIXUP_CMDS $(UCLIBC_ARC_TYPE_CONFIG) $(UCLIBC_ARC_PAGE_SIZE_CONFIG) $(UCLIBC_ARM_ABI_CONFIG) + $(UCLIBC_ARM_BINFMT_FLAT) $(UCLIBC_MIPS_ABI_CONFIG) $(UCLIBC_MIPS_ISA_CONFIG) $(UCLIBC_SH_TYPE_CONFIG)