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authorWaldemar Brodkorb <wbx@openadk.org>2015-02-20 12:02:48 -0600
committerWaldemar Brodkorb <wbx@openadk.org>2015-02-20 12:24:59 -0600
commit69ba9dcaa13bb8bbdc8630265d73298c39945416 (patch)
treeb5f300e8eb6879fd0d9f50eab5b3ec33fea4dd88
parentd4389d613cc49f776fffe5ee0f9af854e9a93074 (diff)
gcc 4.9.x produces some calls to abort()
For sh4/xtensa architectures there is an optimization bug, which does not allow to compile ld.so with gcc 4.9.2. Disable this optimization for sh4/xtensa and ld.so compile.
-rw-r--r--ldso/ldso/Makefile.in8
1 files changed, 8 insertions, 0 deletions
diff --git a/ldso/ldso/Makefile.in b/ldso/ldso/Makefile.in
index e0d0a097d..56f4a4556 100644
--- a/ldso/ldso/Makefile.in
+++ b/ldso/ldso/Makefile.in
@@ -27,6 +27,14 @@ CFLAGS-$(DODEBUG)-ldso/ldso := -O2 -g
CFLAGS-ldso.c := -DLDSO_ELFINTERP=\"$(TARGET_ARCH)/elfinterp.c\"
+# avoid ld.so linking error since gcc 4.9.x: undefined reference to abort
+ifeq ($(TARGET_ARCH),xtensa)
+CFLAGS-ldso.c += -fno-delete-null-pointer-checks
+endif
+ifeq ($(TARGET_ARCH),sh)
+CFLAGS-ldso.c += -fno-delete-null-pointer-checks
+endif
+
LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-$(UCLIBC_LDSO_NAME).so := -Wl,--dsbt-index=1
ifneq ($(SUPPORT_LD_DEBUG),y)
LDFLAGS-$(UCLIBC_LDSO_NAME).so := $(LDFLAGS)