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Fix HOST_LDFLAGS to include the hardening flags.

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rpmdiff noticed the following:

Detecting usr/sbin/grub2-ofpathname with not-hardened warnings '
Hardened: grub2-ofpathname: FAIL: Gaps were detected in the annobin coverage.  Run with -v to list.
Hardened: grub2-ofpathname: FAIL: Not linked with -Wl,-z,now.
Hardened: grub2-ofpathname: MAYB: The PIC/PIE setting was not recorded.
Hardened: grub2-ofpathname: FAIL: Not linked as a position independent executable (ie need to add '-pie' to link command line).
' on ppc64le

This is because while we made the CFLAGS get some new options, LDFLAGS never
got the same treatement, and we disabled %{_hardened_build} to avoid getting
its options in the TARGET_{C,LD}FLAGS variables.

This patch duplicates the infrastructure for {HOST,TARGET}_CFLAGS into
{HOST,TARGET}_LDFLAGS, and adds the %{_hardening_ldflags} and
%{_hardening_cflags} to both HOST_{C,LD}FLAGS.

Additionally, it fixes the CPPFLAGS definitions, since rpm doesn't define any
CPPFLAGS at all, and makes the -I$(pwd) be there exclusively, not on CFLAGS as
well, since they're always used in concert.

Signed-off-by: Peter Jones <pjones@redhat.com>
This commit is contained in:
Peter Jones 2019-05-23 13:51:07 -04:00
parent 22467ee641
commit 7388f24e3e
1 changed files with 41 additions and 19 deletions
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58
grub.macros
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@ -29,25 +29,43 @@
-e 's/^/ -fno-strict-aliasing /' \\\
%{nil}
%global host_cflags %{expand:%%(echo %{optflags} | %{cflags_sed})}
%global target_cflags %{expand:%%(echo %{optflags} | %{cflags_sed})}
%global legacy_target_cflags \\\
%{expand:%%(echo %{target_cflags} | \\\
%{cflags_sed} \\\
-e 's/-m64//g' \\\
-e 's/-mcpu=power[[:alnum:]]\\+/-mcpu=power6/g' \\\
)}
%global host_cflags %{expand:%%(echo %{build_cflags} %{?_hardening_cflags} | %{cflags_sed})}
%global legacy_host_cflags \\\
%{expand:%%(echo %{host_cflags} | \\\
%{cflags_sed} \\\
-e 's/-m64//g' \\\
-e 's/-mcpu=power[[:alnum:]]\\+/-mcpu=power6/g' \\\
)}
%global efi_host_cflags %{expand:%%(echo %{host_cflags})}
%global target_cflags %{expand:%%(echo %{build_cflags} | %{cflags_sed})}
%global legacy_target_cflags \\\
%{expand:%%(echo %{target_cflags} | \\\
%{cflags_sed} \\\
-e 's/-m64//g' \\\
-e 's/-mcpu=power[[:alnum:]]\\+/-mcpu=power6/g' \\\
)}
%global efi_target_cflags %{expand:%%(echo %{target_cflags})}
%global ldflags_sed \\\
sed \\\
-e 's/^$//' \\\
%{nil}
%global host_ldflags %{expand:%%(echo %{build_ldflags} %{?_hardening_ldflags} | %{ldflags_sed})}
%global legacy_host_ldflags \\\
%{expand:%%(echo %{host_ldflags} | \\\
%{ldflags_sed} \\\
)}
%global efi_host_ldflags %{expand:%%(echo %{host_ldflags})}
%global target_ldflags %{expand:%%(echo %{build_ldflags} -static | %{ldflags_sed})}
%global legacy_target_ldflags \\\
%{expand:%%(echo %{target_ldflags} | \\\
%{ldflags_sed} \\\
)}
%global efi_target_ldflags %{expand:%%(echo %{target_ldflags})}
%global with_efi_arch 0
%global with_alt_efi_arch 0
%global with_legacy_arch 0
@ -319,11 +337,12 @@ PYTHON=python3 ./autogen.sh \
%define do_efi_configure() \
%configure \\\
%{cc_equals} \\\
HOST_CFLAGS="%{3} -I$(pwd)" \\\
HOST_CPPFLAGS="${CPPFLAGS} -I$(pwd)" \\\
TARGET_CFLAGS="%{2} -I$(pwd)" \\\
TARGET_CPPFLAGS="${CPPFLAGS} -I$(pwd)" \\\
TARGET_LDFLAGS=-static \\\
HOST_CFLAGS="%{3}" \\\
HOST_CPPFLAGS="-I$(pwd)" \\\
HOST_LDFLAGS="%{efi_host_ldflags}" \\\
TARGET_CFLAGS="%{2}" \\\
TARGET_CPPFLAGS="-I$(pwd)" \\\
TARGET_LDFLAGS="%{efi_target_ldflags}" \\\
--with-platform=efi \\\
--with-utils=host \\\
--target=%{1} \\\
@ -405,9 +424,12 @@ cd .. \
cd grub-%{1}-%{tarversion} \
%configure \\\
%{cc_equals} \\\
HOST_CFLAGS="%{legacy_host_cflags} -I$(pwd)" \\\
TARGET_CFLAGS="%{legacy_target_cflags} -I$(pwd)" \\\
TARGET_LDFLAGS=-static \\\
HOST_CFLAGS="%{legacy_host_cflags}" \\\
HOST_CPPFLAGS="-I$(pwd)" \\\
HOST_LDFLAGS="%{legacy_host_ldflags}" \\\
TARGET_CFLAGS="%{legacy_target_cflags}" \\\
TARGET_CPPFLAGS="-I$(pwd)" \\\
TARGET_LDFLAGS="%{legacy_target_ldflags}" \\\
--with-platform=%{platform} \\\
--with-utils=host \\\
--target=%{_target_platform} \\\