1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/heimdal/cf/version-script.m4 b/third_party/heimdal/cf/version-script.m4
new file mode 100644
index 0000000..f08e013
--- /dev/null
+++ b/third_party/heimdal/cf/version-script.m4
@@ -0,0 +1,39 @@
+dnl check if ld supports --version-script
+dnl
+AC_DEFUN([rk_VERSIONSCRIPT],[
+AC_CACHE_CHECK(for ld --version-script, rk_cv_version_script,[
+  rk_cv_version_script=no
+
+  cat > conftest.map <<EOF
+HEIM_GSS_V1 {
+        global: gss*;
+};
+HEIM_GSS_V1_1 {
+        global: gss_init_creds;
+} HEIM_GSS_V1;
+EOF
+cat > conftest.c <<EOF
+int gss_init_creds(int foo) { return 0; }
+EOF
+
+  if AC_TRY_COMMAND([${CC-cc} -c $CFLAGS -fPIC conftest.c])  && 
+     AC_TRY_COMMAND([${CC-cc} -shared -Wl,--version-script,conftest.map $CFLAGS $LDFLAGS -o libconftestlib.so conftest.o]);
+  then
+    rk_cv_version_script=yes
+  fi
+rm -rf conftest* libconftest* .libs
+])
+
+if test $rk_cv_version_script = yes ; then
+  doversioning=yes
+  LDFLAGS_VERSION_SCRIPT="-Wl,--version-script,"
+else
+  doversioning=no
+  LDFLAGS_VERSION_SCRIPT=
+fi
+AC_SUBST(VERSIONING)
+
+AM_CONDITIONAL(versionscript,test $doversioning = yes)
+AC_SUBST(LDFLAGS_VERSION_SCRIPT)
+
+])
+\ No newline at end of file