diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/configure.in b/configure.in index 3e645753ee..7167ca9366 100644 --- a/configure.in +++ b/configure.in @@ -171,21 +171,6 @@ AM_CONDITIONAL(NAT_PMP, test x$natpmp = xtrue) AM_CONDITIONAL(MINIUPNPC, test x$upnp = xtrue) AM_PROG_CC_C_O -if test x$enable_gcc_hardening != xno; then - CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2" - TOR_CHECK_CFLAGS(-Qunused-arguments) - TOR_CHECK_CFLAGS(-fstack-protector-all) - TOR_CHECK_CFLAGS(-Wstack-protector) - TOR_CHECK_CFLAGS(-fwrapv) - TOR_CHECK_CFLAGS(-fPIE) - TOR_CHECK_CFLAGS(--param ssp-buffer-size=1) - TOR_CHECK_LDFLAGS(-pie) -fi - -if test x$enable_linker_hardening != xno; then - TOR_CHECK_LDFLAGS(-z relro -z now) -fi - ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [ AC_C_FLEXIBLE_ARRAY_MEMBER ], [ @@ -566,8 +551,29 @@ else fi AC_SUBST(TOR_ZLIB_LIBS) -dnl Make sure to enable support for large off_t if available. +dnl --------------------------------------------------------------------- +dnl Now that we know about our major libraries, we can check for compiler +dnl and linker hardening options. We need to do this with the libraries known, +dnl since sometimes the linker will like an option but not be willing to +dnl use it with a build of a library. +all_ldflags_for_check="$TOR_LDFLAGS_zlib $TOR_LDFLAGS_openssl $TOR_LDFLAGS_libevent" +all_libs_for_check="$TOR_ZLIB_LIBS $TOR_LIB_MATH $TOR_LIBEVENT_LIBS $TOR_OPENSSL_LIBS $TOR_LIB_WS32 $TOR_LIB_GDI" + +if test x$enable_gcc_hardening != xno; then + CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2" + TOR_CHECK_CFLAGS(-Qunused-arguments) + TOR_CHECK_CFLAGS(-fstack-protector-all) + TOR_CHECK_CFLAGS(-Wstack-protector) + TOR_CHECK_CFLAGS(-fwrapv) + TOR_CHECK_CFLAGS(-fPIE) + TOR_CHECK_CFLAGS(--param ssp-buffer-size=1) + TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check") +fi + +if test x$enable_linker_hardening != xno; then + TOR_CHECK_LDFLAGS(-z relro -z now, "$all_ldflags_for_check", "$all_libs_for_check") +fi dnl ------------------------------------------------------ dnl Where do you live, libnatpmp? And how do we call you? @@ -609,6 +615,7 @@ if test "$upnp" = "true"; then [/usr/lib/]) fi +dnl Make sure to enable support for large off_t if available. AC_SYS_LARGEFILE AC_CHECK_HEADERS( |