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Fix bashism in libc.so filename check, and don't unconditionally set _F_S=2,
as it clobbers e.g. _F_S=3.
--- a/configure.ac
+++ b/configure.ac
@@ -124,7 +124,7 @@ AS_CASE([$host_os],
[linux*|kfreebsd*-gnu|freebsd*],
[
libc_name=`ldd /usr/bin/yes | grep 'libc\.' | cut -d ' ' -f 1 | tr -d '\t'`
- if test "${libc_name}" == ""; then
+ if test "${libc_name}" = ""; then
# Default libc on most system.
libc_name="libc.so.6"
fi
@@ -258,9 +258,6 @@ AX_CHECK_LINK_FLAG([-pie],[LDFLAGS="$LDFLAGS -pie"],[],[])
AX_CHECK_LINK_FLAG([-z relro],[LDFLAGS="$LDFLAGS -z relro"],[],[])
AX_CHECK_LINK_FLAG([-z now],[LDFLAGS="$LDFLAGS -z now"],[],[])
-dnl Add glibc hardening
-CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
-
##############################################################################
# 10. Finish up
##############################################################################
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