From mboxrd@z Thu Jan 1 00:00:00 1970 From: Max Filippov Date: Fri, 24 Jul 2015 12:30:31 +0300 Subject: [Buildroot] [PATCH] package/gcc: fix libgcc build for xtensa Message-ID: <1437730231-22278-1-git-send-email-jcmvbkbc@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net xtensa libgcc can't be built with -mtext-section-literals flag, now coming from TARGET_CFLAGS, because it needs to emit literals to .init/.fini sections, which is not currently supported. Filter -mtext-section-literals flag out of GCC_COMMON_TARGET_CFLAGS. Suggested-by: Thomas Petazzoni Signed-off-by: Max Filippov --- package/gcc/gcc.mk | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/package/gcc/gcc.mk b/package/gcc/gcc.mk index aaeba7f..77866e2 100644 --- a/package/gcc/gcc.mk +++ b/package/gcc/gcc.mk @@ -112,6 +112,13 @@ GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -Os,$(GCC_COMMON_TARGET_CXXFLAGS)) endif endif +# Xtensa libgcc can't be built with -mtext-section-literals +# because of the trick used to generate .init/.fini sections. +ifeq ($(BR2_xtensa),y) +GCC_COMMON_TARGET_CFLAGS = $(filter-out -mtext-section-literals,$(TARGET_CFLAGS)) +GCC_COMMON_TARGET_CXXFLAGS = $(filter-out -mtext-section-literals,$(TARGET_CXXFLAGS)) +endif + # Propagate options used for target software building to GCC target libs HOST_GCC_COMMON_CONF_ENV += CFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CXXFLAGS)" HOST_GCC_COMMON_CONF_ENV += CXXFLAGS_FOR_TARGET="$(GCC_COMMON_TARGET_CXXFLAGS)" -- 1.7.7.6