Khem, build with gcc still fails:
# i586-oe-linux-musl-ld.bfd -m elf_i386 -o usr/kinit/ipconfig/shared/ipc onfig -z noexecstack -e main usr/klibc/interp.o --start-group usr/kinit/ipconfig/main.o usr/kinit/ipconfig/netdev.o usr/kinit/ipconfig/packet.o usr/kinit/ipconfig/dhcp_proto.o usr/kinit/ipconfig/bootp_proto.o -R usr/klibc/libc.so /tmp/build/tmp-musl/work/i586-oe-linux-musl/klibc/2.0.4-r0/recipe-sysroot/usr/lib/i586-oe-linux-musl/*/libgcc.a --end-group i586-oe-linux-musl-ld.bfd: discarded output section: `.got.plt' However, adding -pie to ld invocation seems solving the problem. root@andrea-ThinkPad-T520:/tmp/build/tmp-musl/work/i586-oe-linux-musl/klibc/2.0.4-r0/git# i586-oe-linux-musl-ld.bfd -m elf_i386 -o usr/kinit/ipconfig/shared/ipc onfig -z noexecstack -e main usr/klibc/interp.o --start-group usr/kinit/ipconfig/main.o usr/kinit/ipconfig/netdev.o usr/kinit/ipconfig/packet.o usr/kinit/ipconfig/dhcp_proto.o usr/kinit/ipconfig/bootp_proto.o -R usr/klibc/libc.so /tmp/build/tmp-musl/work/i586-oe-linux-musl/klibc/2.0.4-r0/recipe-sysroot/usr/lib/i586-oe-linux-musl/*/libgcc.a --end-group -pie root@andrea-ThinkPad-T520:/tmp/build/tmp-musl/work/i586-oe-linux-musl/klibc/2.0.4-r0/git# Cheers Andrea On Wed, Sep 12, 2018 at 2:19 AM Khem Raj <raj.k...@gmail.com> wrote: > > Drop -Os which is also causing the relro > Fixes > | x86_64-bec-linux-musl-ld.bfd: discarded output section: `.got.plt' > > Signed-off-by: Khem Raj <raj.k...@gmail.com> > Cc: Andrea Adami <andrea.ad...@gmail.com> > --- > ...libc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch | 28 +++++++++++++++++++ > .../recipes-devtools/klibc/klibc.inc | 9 +++--- > 2 files changed, 33 insertions(+), 4 deletions(-) > create mode 100644 > meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch > > diff --git > a/meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch > > b/meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch > new file mode 100644 > index 0000000000..94818e3669 > --- /dev/null > +++ > b/meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch > @@ -0,0 +1,28 @@ > +From cdc6edc2cfcd0ce88d6e66654d605dad303b1a75 Mon Sep 17 00:00:00 2001 > +From: Khem Raj <raj.k...@gmail.com> > +Date: Tue, 11 Sep 2018 17:03:36 -0700 > +Subject: [PATCH] klibc/Kbuild: Accept EXTRA_KLIBCAFLAGS > + > +For passing additional assembler flags > + > +Upstream-Status: Pending > + > +Signed-off-by: Khem Raj <raj.k...@gmail.com> > +--- > + usr/klibc/Kbuild | 3 ++- > + 1 file changed, 2 insertions(+), 1 deletion(-) > + > +diff --git a/usr/klibc/Kbuild b/usr/klibc/Kbuild > +index 98caf2e9..b34521e0 100644 > +--- a/usr/klibc/Kbuild > ++++ b/usr/klibc/Kbuild > +@@ -168,7 +168,8 @@ $(SOHASH): $(SOLIB) $(SOLIB).hash > + targets += interp.o > + > + quiet_cmd_interp = BUILD $@ > +- cmd_interp = $(KLIBCCC) $(klibccflags) -D__ASSEMBLY__ \ > ++ cmd_interp = $(KLIBCCC) $(klibccflags) $(EXTRA_KLIBCAFLAGS) \ > ++ -D__ASSEMBLY__ \ > + -DLIBDIR=\"$(SHLIBDIR)\" \ > + -DSOHASH=\"$(SOLIBHASH)\" \ > + -c -o $@ $< > diff --git a/meta-initramfs/recipes-devtools/klibc/klibc.inc > b/meta-initramfs/recipes-devtools/klibc/klibc.inc > index f0b20bc7fd..3d25e96cd4 100644 > --- a/meta-initramfs/recipes-devtools/klibc/klibc.inc > +++ b/meta-initramfs/recipes-devtools/klibc/klibc.inc > @@ -21,9 +21,10 @@ SRC_URI = > "git://git.kernel.org/pub/scm/libs/klibc/klibc.git \ > > file://0001-Kbuild.klibc-Use-print-libgcc-file-name-instead-of-p.patch \ > > file://0001-Kbuild.klibc-Add-path-to-compiler-headers-via-isyste.patch \ > file://0001-arm-Do-not-set-a-fallback-march-and-mtune.patch \ > - file://0001-klibc_2.0.4-add-kexec_file_load-syscall.patch \ > + file://0001-klibc_2.0.4-add-kexec_file_load-syscall.patch \ > file://0001-klibc-add-getrandom-syscall.patch \ > -" > + file://0001-klibc-Kbuild-Accept-EXTRA_KLIBCAFLAGS.patch \ > + " > > ARMPATCHES ?= "" > > @@ -31,7 +32,6 @@ ARMPATCHES_arm = "file://klibc-config-eabi.patch \ > file://armv4-fix-v4bx.patch \ > " > > - > S = "${WORKDIR}/git" > > PARALLEL_MAKE = "" > @@ -44,9 +44,10 @@ EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \ > 'INSTALLDIR=${libdir}/klibc' \ > 'SHLIBDIR=${libdir}' \ > '${KLIBCTHUMB}' \ > - 'KLIBCOPTFLAGS=${TUNE_CCARGS} -Os' \ > + 'KLIBCOPTFLAGS=${TUNE_CCARGS}' \ > V=1 \ > " > +EXTRA_OEMAKE += 'EXTRA_KLIBCAFLAGS="-Wa,--noexecstack" > EXTRA_KLIBCLDFLAGS="-z noexecstack"' > > export FIX_ARMV4_EABI_BX = "${FIX_V4BX}" > KLIBCTHUMB = "${@['CONFIG_KLIBC_THUMB=n', > 'CONFIG_KLIBC_THUMB=y'][(d.getVar('ARM_INSTRUCTION_SET') == 'thumb')]}" > -- > 2.18.0 > -- _______________________________________________ Openembedded-devel mailing list Openembedded-devel@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-devel