configure: Implement --enable-host-pie

[thirdparty/gcc.git] / libdecnumber / configure.ac

diff --git a/libdecnumber/configure.ac b/libdecnumber/configure.ac
index 0794031ec830afa97376c93f151b0f4fcad99780..14f67f926d1273a5c77585cfb1f4c54dd946bfbf 100644 (file)
--- a/libdecnumber/configure.ac
+++ b/libdecnumber/configure.ac
@@ -100,8 +100,23 @@ AC_C_BIGENDIAN
 # Enable --enable-host-shared.
 AC_ARG_ENABLE(host-shared,
 [AS_HELP_STRING([--enable-host-shared],
-               [build host code as shared libraries])],
-[PICFLAG=-fPIC], [PICFLAG=])
+               [build host code as shared libraries])])
+AC_SUBST(enable_host_shared)
+
+# Enable --enable-host-pie.
+AC_ARG_ENABLE(host-pie,
+[AS_HELP_STRING([--enable-host-pie],
+               [build host code as PIE])])
+AC_SUBST(enable_host_pie)
+
+if test x$enable_host_shared = xyes; then
+  PICFLAG=-fPIC
+elif test x$enable_host_pie = xyes; then
+  PICFLAG=-fPIE
+else
+  PICFLAG=
+fi
+
 AC_SUBST(PICFLAG)
 
 # Enable Intel CET on Intel CET enabled host if jit is enabled.