Use the autoconf cache when checking for symbol export control support.
This commit is contained in:
148
configure
vendored
148
configure
vendored
@@ -20256,54 +20256,70 @@ fi
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if test -n "$LT_LDEXPORTS"; then
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if test "$lt_cv_prog_gnu_ld" = "yes"; then
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cat > conftest.map <<-EOF
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{
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global: foo;
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local: *;
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};
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EOF
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports anonymous map files" >&5
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$as_echo_n "checking whether ld supports anonymous map files... " >&6; }
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -fpic -shared -Wl,--version-script,./conftest.map"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int foo;
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int
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main ()
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{
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if ${sudo_cv_var_gnu_ld_anon_map+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,--version-script,\$(shlib_map)"
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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else
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case "$host" in
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*-*-solaris2*)
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cat > conftest.map <<-EOF
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{
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global: foo;
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local: *;
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};
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EOF
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EOF
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -fpic -shared -Wl,--version-script,./conftest.map"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int foo;
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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sudo_cv_var_gnu_ld_anon_map=yes
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $sudo_cv_var_gnu_ld_anon_map" >&5
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$as_echo "$sudo_cv_var_gnu_ld_anon_map" >&6; }
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if test "$sudo_cv_var_gnu_ld_anon_map" = "yes"; then
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,--version-script,\$(shlib_map)"
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fi
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else
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case "$host" in
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*-*-solaris2*)
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports anonymous map files" >&5
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$as_echo_n "checking whether ld supports anonymous map files... " >&6; }
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -shared -Wl,-M,./conftest.map"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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if ${sudo_cv_var_solaris_ld_anon_map+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.map <<-EOF
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{
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global: foo;
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local: *;
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};
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EOF
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -shared -Wl,-M,./conftest.map"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int foo;
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int
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@@ -20316,29 +20332,39 @@ main ()
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,-M,\$(shlib_map)"
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sudo_cv_var_solaris_ld_anon_map=yes
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $sudo_cv_var_solaris_ld_anon_map" >&5
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$as_echo "$sudo_cv_var_solaris_ld_anon_map" >&6; }
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if test "$sudo_cv_var_solaris_ld_anon_map" = "yes"; then
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,-M,\$(shlib_map)"
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fi
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;;
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*-*-hpux*)
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cat > conftest.opt <<-EOF
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+e foo
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EOF
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ld supports controlling exported symbols" >&5
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$as_echo_n "checking whether ld supports controlling exported symbols... " >&6; }
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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if test -n "$GCC"; then
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LDFLAGS="$LDFLAGS -shared -Wl,-c,./conftest.opt"
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else
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LDFLAGS="$LDFLAGS -Wl,-b -Wl,-c,./conftest.opt"
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fi
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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if ${sudo_cv_var_hpux_ld_symbol_export+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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echo "+e foo" > conftest.opt
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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if test -n "$GCC"; then
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LDFLAGS="$LDFLAGS -shared -Wl,-c,./conftest.opt"
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else
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LDFLAGS="$LDFLAGS -Wl,-b -Wl,-c,./conftest.opt"
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fi
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int foo;
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int
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@@ -20351,19 +20377,27 @@ main ()
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_opt)"; LT_LDOPT="-Wl,-c,\$(shlib_opt)"
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sudo_cv_var_hpux_ld_symbol_export=yes
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $sudo_cv_var_hpux_ld_symbol_export" >&5
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$as_echo "$sudo_cv_var_hpux_ld_symbol_export" >&6; }
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if test "$sudo_cv_var_hpux_ld_symbol_export" = "yes"; then
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_opt)"; LT_LDOPT="-Wl,-c,\$(shlib_opt)"
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fi
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;;
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esac
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fi
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fi
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if test "$enable_pie" != "no"; then
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if test "$enable_pie" != "no" -a -n "$GCC"; then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fPIE" >&5
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$as_echo_n "checking whether C compiler accepts -fPIE... " >&6; }
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if ${ax_cv_check_cflags___fPIE+:} false; then :
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99
configure.in
99
configure.in
@@ -3219,60 +3219,79 @@ dnl This test relies on AC_LANG_WERROR
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dnl
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if test -n "$LT_LDEXPORTS"; then
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if test "$lt_cv_prog_gnu_ld" = "yes"; then
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cat > conftest.map <<-EOF
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{
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global: foo;
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local: *;
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};
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EOF
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AC_MSG_CHECKING([whether ld supports anonymous map files])
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -fpic -shared -Wl,--version-script,./conftest.map"
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AC_TRY_LINK([int foo;], [], [
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,--version-script,\$(shlib_map)"
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])
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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else
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case "$host" in
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*-*-solaris2*)
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AC_CACHE_CHECK([whether ld supports anonymous map files],
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[sudo_cv_var_gnu_ld_anon_map],
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[
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cat > conftest.map <<-EOF
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{
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global: foo;
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local: *;
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};
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EOF
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AC_MSG_CHECKING([whether ld supports anonymous map files])
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EOF
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -shared -Wl,-M,./conftest.map"
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LDFLAGS="$LDFLAGS -fpic -shared -Wl,--version-script,./conftest.map"
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AC_TRY_LINK([int foo;], [], [
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,-M,\$(shlib_map)"
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sudo_cv_var_gnu_ld_anon_map=yes
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])
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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]
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)
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if test "$sudo_cv_var_gnu_ld_anon_map" = "yes"; then
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,--version-script,\$(shlib_map)"
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fi
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else
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case "$host" in
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*-*-solaris2*)
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AC_CACHE_CHECK([whether ld supports anonymous map files],
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[sudo_cv_var_solaris_ld_anon_map],
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[
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cat > conftest.map <<-EOF
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{
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global: foo;
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local: *;
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};
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EOF
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -shared -Wl,-M,./conftest.map"
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AC_TRY_LINK([int foo;], [], [
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sudo_cv_var_solaris_ld_anon_map=yes
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])
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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]
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)
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if test "$sudo_cv_var_solaris_ld_anon_map" = "yes"; then
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_map)"; LT_LDMAP="-Wl,-M,\$(shlib_map)"
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fi
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;;
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*-*-hpux*)
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cat > conftest.opt <<-EOF
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+e foo
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EOF
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AC_MSG_CHECKING([whether ld supports controlling exported symbols])
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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if test -n "$GCC"; then
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LDFLAGS="$LDFLAGS -shared -Wl,-c,./conftest.opt"
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else
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LDFLAGS="$LDFLAGS -Wl,-b -Wl,-c,./conftest.opt"
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fi
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AC_TRY_LINK([int foo;], [], [
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AC_CACHE_CHECK([whether ld supports controlling exported symbols],
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[sudo_cv_var_hpux_ld_symbol_export],
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[
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echo "+e foo" > conftest.opt
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $lt_prog_compiler_pic"
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_LDFLAGS="$LDFLAGS"
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if test -n "$GCC"; then
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LDFLAGS="$LDFLAGS -shared -Wl,-c,./conftest.opt"
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else
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LDFLAGS="$LDFLAGS -Wl,-b -Wl,-c,./conftest.opt"
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fi
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AC_TRY_LINK([int foo;], [], [
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sudo_cv_var_hpux_ld_symbol_export=yes
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])
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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]
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)
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if test "$sudo_cv_var_hpux_ld_symbol_export" = "yes"; then
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LT_LDEXPORTS=; LT_LDDEP="\$(shlib_opt)"; LT_LDOPT="-Wl,-c,\$(shlib_opt)"
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])
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CFLAGS="$_CFLAGS"
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LDFLAGS="$_LDFLAGS"
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fi
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;;
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esac
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fi
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@@ -3282,7 +3301,7 @@ dnl
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dnl Check for PIE executable support if using gcc.
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dnl This test relies on AC_LANG_WERROR
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dnl
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if test "$enable_pie" != "no"; then
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if test "$enable_pie" != "no" -a -n "$GCC"; then
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AX_CHECK_COMPILE_FLAG([-fPIE], [
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_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fPIE"
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