tests: put -no-pie in LDFLAGS instead of CFLAGS

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2bb30edb325316b64307d67a9e968a5aa280e7c4..7b284593474f4d7109dbb57a2659c9e5a7ca1adf 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -36,6 +36,14 @@ AX_APPEND_COMPILE_FLAGS([ dnl
        [WARN_CFLAGS],
        [-Werror])
 
+# When given, add -Werror to WARN_CFLAGS.
+AC_ARG_ENABLE([Werror],
+       [AS_HELP_STRING([--enable-Werror], [Treat compiler warnings as errors.])]
+)
+AS_IF([test "x$enable_Werror" = "xyes"],
+       [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]
+)
+
 # Checks for programs.
 AC_PROG_GREP
 AC_PROG_MAKE_SET
@@ -1051,6 +1059,10 @@ AM_CONDITIONAL([BUILD_LIB_UST_CONSUMER], [test x$build_lib_ust_consumer = xyes])
 AM_CFLAGS="${WARN_CFLAGS} -fno-strict-aliasing $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 
+# This is set even though it is empty, so Makefiles can do "AM_LDFLAGS += ...".
+AM_LDFLAGS=""
+AC_SUBST(AM_LDFLAGS)
+
 # The order in which the include folders are searched is important.
 # The top_builddir should always be searched first in the event that a build
 # time generated file is included. An example of this is the "version.i" file.