diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 51dc080..84939e3 100644 --- a/configure.ac +++ b/configure.ac @@ -142,6 +142,18 @@ else fi AC_SUBST(WARNINGFLAGS_C) +# check for PIE (position independent executable) support +AX_CHECK_COMPILE_FLAG([-fPIE], + [AX_CHECK_LINK_FLAG([-fPIE -pie], + [PIE_CFLAGS="-fPIE" PIE_LDFLAGS="-pie"])]) +AC_SUBST(PIE_CFLAGS) +AC_SUBST(PIE_LDFLAGS) + +# check for full RELRO (relocation read-only) support +AX_CHECK_LINK_FLAG([-Wl,-z,relro,-z,now], + [RELRO_LDFLAGS="-Wl,-z,relro,-z,now"]) +AC_SUBST([RELRO_LDFLAGS]) + PKG_CHECK_MODULES(GLIB, [glib-2.0 >= 2.21.5]) PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.0]) PKG_CHECK_MODULES(DBUS_GLIB, [dbus-glib-1 >= 0.76]) |