[OE-core] [PATCH V2] glibc: Enable static PIE support when security_flags are enabled

[Khem Raj]

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 meta/conf/distro/include/security_flags.inc | 2 ++
 meta/recipes-core/glibc/glibc_2.27.bb       | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/meta/conf/distro/include/security_flags.inc b/meta/conf/distro/include/security_flags.inc
index 49d2417a88..d66dd57649 100644
--- a/meta/conf/distro/include/security_flags.inc
+++ b/meta/conf/distro/include/security_flags.inc
@@ -6,6 +6,7 @@
 # in the DISTRO="poky-lsb" configuration.
 
 GCCPIE ?= "--enable-default-pie"
+GLIBCPIE ?= "--enable-static-pie"
 
 # _FORTIFY_SOURCE requires -O1 or higher, so disable in debug builds as they use
 # -O0 which then results in a compiler warning.
@@ -30,6 +31,7 @@ SECURITY_X_LDFLAGS ?= "-fstack-protector-strong -Wl,-z,relro"
 SECURITY_CFLAGS_powerpc = "-fstack-protector-strong ${lcl_maybe_fortify} ${SECURITY_NOPIE_CFLAGS}"
 SECURITY_CFLAGS_pn-libgcc_powerpc = ""
 GCCPIE_powerpc = ""
+GLIBCPIE_powerpc = ""
 
 # arm specific security flag issues
 SECURITY_CFLAGS_pn-glibc = ""
diff --git a/meta/recipes-core/glibc/glibc_2.27.bb b/meta/recipes-core/glibc/glibc_2.27.bb
index e9d4117a47..f5dd086ffc 100644
--- a/meta/recipes-core/glibc/glibc_2.27.bb
+++ b/meta/recipes-core/glibc/glibc_2.27.bb
@@ -68,6 +68,8 @@ GLIBC_BROKEN_LOCALES = ""
 #
 COMPATIBLE_HOST_libc-musl_class-target = "null"
 
+GLIBCPIE ??= ""
+
 EXTRA_OECONF = "--enable-kernel=${OLDEST_KERNEL} \
                 --without-cvs --disable-profile \
                 --disable-debug --without-gd \
@@ -81,6 +83,7 @@ EXTRA_OECONF = "--enable-kernel=${OLDEST_KERNEL} \
                 --enable-bind-now \
                 --enable-stack-protector=strong \
                 --enable-stackguard-randomization \
+                ${GLIBCPIE} \
                 ${GLIBC_EXTRA_OECONF}"
 
 EXTRA_OECONF += "${@get_libc_fpu_setting(bb, d)}"
-- 
2.16.2