* config.make.in (have-ssp): Add template.
* nscd/Makefile (nscd-cflags): Add -fstack-protector if supported.
* nscd/nscd.c (main): Don't ignore result of chdir call.
+2005-07-19 Ulrich Drepper <drepper@redhat.com>
+
+ * configure.in: Check for -fstack-protector gcc option.
+ * config.make.in (have-ssp): Add template.
+ * nscd/Makefile (nscd-cflags): Add -fstack-protector if supported.
+
+ * nscd/nscd.c (main): Don't ignore result of chdir call.
+
2005-07-18 Roland McGrath <roland@redhat.com>
[BZ #869]
enable-check-abi = @enable_check_abi@
have-forced-unwind = @libc_cv_forced_unwind@
have-fpie = @libc_cv_fpie@
+have-ssp = @libc_cv_ssp@
have-selinux = @have_selinux@
have-libaudit = @have_libaudit@
have-cc-with-libunwind = @libc_cv_cc_with_libunwind@
fi
AC_SUBST(fno_unit_at_a_time)
+AC_CACHE_CHECK(for -fstack-protector, libc_cv_ssp, [dnl
+cat > conftest.c <<EOF
+int foo;
+main () { return 0;}
+EOF
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -fstack-protector
+ -o conftest conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_ssp=yes
+else
+ libc_cv_ssp=no
+fi
+rm -f conftest*])
+AC_SUBST(libc_cv_ssp)
+
if test $elf != yes; then
AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini,
[AC_TRY_COMPILE(, [asm (".section .init");
ifeq (yesyes,$(have-fpie)$(build-shared))
nscd-cflags += -fpie
endif
+ifeq (yes,$(have-ssp))
+nscd-cflags += -fstack-protector
+endif
CFLAGS-nscd.c += $(nscd-cflags)
CFLAGS-connections.c += $(nscd-cflags)