From: Arran Cudbard-Bell <a.cudbardb@freeradius.org>
Date: Thu, 28 Oct 2021 16:57:50 +0000 (-0400)
Subject: Apparently clang needs us to link to compiler-rt to get at the builtins...
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=76fe2908e2c8a05c9987f04386f1e67aab1f438d;p=thirdparty%2Ffreeradius-server.git

Apparently clang needs us to link to compiler-rt to get at the builtins...
---

diff --git a/configure b/configure
index f1760400384..96ca0dd8b91 100755
--- a/configure
+++ b/configure
@@ -5841,6 +5841,7 @@ printf "%s\n" "$ax_cv_cc_clang" >&6; }
 if test "x$ax_cv_cc_clang" = "xyes"; then
   clang_path="$CC"
 
+  LDFLAGS="$LDFLAGS --rtlib=compiler-rt" # Needed for builtins to function correctly
 else
   clang_path=""
 
diff --git a/configure.ac b/configure.ac
index 3168cd47b91..0a49fcaffae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -249,6 +249,7 @@ dnl #
 AX_CC_IS_CLANG
 if test "x$ax_cv_cc_clang" = "xyes"; then
   AC_SUBST(clang_path, "$CC")
+  LDFLAGS="$LDFLAGS --rtlib=compiler-rt" # Needed for builtins to function correctly
 else
   AC_SUBST(clang_path, "")
 fi