[omp] Add a configuration variable for the default OpenMP runtime.

This will be used in my next commit to Clang.

llvm-svn: 238388

1 files changed, 16 insertions, 0 deletions

diff --git a/llvm/configure b/llvm/configure
index 37f3d7d95ae..b3ccccbb881 100755
--- a/llvm/configure
+++ b/llvm/configure
@@ -1495,6 +1495,8 @@ Optional Packages:
                           search for headers
   --with-gcc-toolchain    Directory where gcc is installed.
   --with-default-sysroot  Add --sysroot=<path> to all compiler invocations.
+  --with-clang-default-openmp-runtime
+                          The default OpenMP runtime for Clang.
   --with-binutils-include Specify path to binutils/include/ containing
                           plugin-api.h file for gold plugin.
   --with-bug-report-url   Specify the URL where bug reports should be
@@ -5948,6 +5950,20 @@ _ACEOF
 
 
 
+# Check whether --with-clang-default-openmp-runtime was given.
+if test "${with_clang_default_openmp_runtime+set}" = set; then
+  withval=$with_clang_default_openmp_runtime;
+else
+  withval=""
+fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define CLANG_DEFAULT_OPENMP_RUNTIME "$withval"
+_ACEOF
+
+
+
 # Check whether --with-binutils-include was given.
 if test "${with_binutils_include+set}" = set; then
   withval=$with_binutils_include;