There is nothing about these options that is related to PIE.
Nor is there anything that specifically ties them to each other.
Use them unconditionally.
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
configure | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/configure b/configure
index 972ce7396f..f8981eec15 100755
--- a/configure
+++ b/configure
@@ -2034,9 +2034,6 @@ if test "$pie" != "no" ; then
QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
LDFLAGS="-pie $LDFLAGS"
pie="yes"
- if compile_prog "" "-Wl,-z,relro -Wl,-z,now" ; then
- LDFLAGS="-Wl,-z,relro -Wl,-z,now $LDFLAGS"
- fi
else
if test "$pie" = "yes"; then
error_exit "PIE not available due to missing toolchain support"
@@ -2047,6 +2044,16 @@ if test "$pie" != "no" ; then
fi
fi
+# Detect support for DT_BIND_NOW.
+if compile_prog "" "-Wl,-z,now" ; then
+ LDFLAGS="-Wl,-z,now $LDFLAGS"
+fi
+
+# Detect support for PT_GNU_RELRO.
+if compile_prog "" "-Wl,-z,relro" ; then
+ LDFLAGS="-Wl,-z,relro $LDFLAGS"
+fi
+
##########################################
# __sync_fetch_and_and requires at least -march=i486. Many toolchains
# use i686 as default anyway, but for those that don't, an explicit
--
2.20.1
