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| author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2020-07-08 16:49:34 -0500 |
|---|---|---|
| committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2020-07-21 09:03:01 -0500 |
| commit | c79607a474439d50e9f0bcae59709817112900cc (patch) | |
| tree | b7925baf3d7caeea8c46c982f5a6f79c50d592c5 | |
| parent | ec2f1fddf29053957d061dfe310f106388472a4f (diff) | |
| download | glibc-c79607a474439d50e9f0bcae59709817112900cc.zip glibc-c79607a474439d50e9f0bcae59709817112900cc.tar.gz glibc-c79607a474439d50e9f0bcae59709817112900cc.tar.bz2 | |
powerpc64le: guarantee a .gnu.attributes section [BZ #26220]
Upstream GCC 11 development is now building the ibm128 runtime
support (in libgcc) without a .gnu.attributes section on ppc64le.
Ensure we have one to replace by building one ibm128 file in
libc and libm with attributes.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
| -rw-r--r-- | sysdeps/powerpc/powerpc64/le/Makefile | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/le/Makefile b/sysdeps/powerpc/powerpc64/le/Makefile index 05ab13d..033dc77 100644 --- a/sysdeps/powerpc/powerpc64/le/Makefile +++ b/sysdeps/powerpc/powerpc64/le/Makefile @@ -38,6 +38,14 @@ if [ ! -z "$(filter libm.so libc.so,$(notdir $1))" ]; then \ fi endef +# Ensure a .gnu.attributes section is present by building an ibm128 file with +# -mgnu-attribute in both libm and libc shared libraries. Prior to GCC 11 this +# section was implicitly included via static libgcc ibm128 routines. +ifeq ($(subdir),math) +$(objpfx)m_ldexpl.os: CFLAGS += -mgnu-attribute +$(objpfx)s_ldexpl.os: CFLAGS += -mgnu-attribute +endif + endif # ifeq ($(build-shared),yes) endif # ifeq ($(ibm128-fcts),yes) |