Add `-optcxx` option (#16477)

3 files changed, 29 insertions, 1 deletions

diff --git a/testsuite/tests/ffi/should_compile/all.T b/testsuite/tests/ffi/should_compile/all.T
index 0f2f3901c4..1aa32c87d5 100644
--- a/testsuite/tests/ffi/should_compile/all.T
+++ b/testsuite/tests/ffi/should_compile/all.T
@@ -32,3 +32,12 @@ test('cc016', normal, compile, [''])
 test('T10460', normal, compile, [''])
 test('T11983', [omit_ways(['ghci'])], compile, ['T11983.c'])
 test('T14125', normal, compile, [''])
+test(
+    'cc017',
+    normal,
+    compile,
+    [
+        '-optc=-DC -optcxx=-DCXX -optcxx=-std=c++11'
+        + (' -optcxx=-stdlib=libc++' if opsys('darwin') else '')
+    ],
+)
diff --git a/testsuite/tests/ffi/should_compile/cc017.hs b/testsuite/tests/ffi/should_compile/cc017.hs
new file mode 100644
index 0000000000..a0ff8163db
--- /dev/null
+++ b/testsuite/tests/ffi/should_compile/cc017.hs
@@ -0,0 +1,19 @@
+{-# LANGUAGE TemplateHaskell #-}
+
+import Language.Haskell.TH.Syntax
+
+-- Check -optc and -optcxx options passing.
+-- This file must be compiled with -optc=-DC -optcxx=-DCXX
+
+do  addForeignSource LangC
+        "int CXX = 0; // -DCXX must not be passed to C          \n\
+        \_Static_assert(C, \"name C must come from -DC\");      "
+
+    addForeignSource LangCxx
+        "int C = 0; // -DC must not be passed to C++            \n\
+        \static_assert(CXX, \"name CXX must come from -DCXX\"); "
+
+    pure []
+
+main :: IO ()
+main = pure ()
diff --git a/testsuite/tests/ffi/should_run/all.T b/testsuite/tests/ffi/should_run/all.T
index 96ab5062b7..d780fb809d 100644
--- a/testsuite/tests/ffi/should_run/all.T
+++ b/testsuite/tests/ffi/should_run/all.T
@@ -28,7 +28,7 @@ test('ffi004', skip, compile_and_run, [''])
 # On x86, the test suffers from floating-point differences due to the
 # use of 80-bit internal precision when using the native code generator.
 #
-test('ffi005', [ omit_ways(prof_ways), 
+test('ffi005', [ omit_ways(prof_ways),
                  when(arch('i386'), skip),
                  when(platform('i386-apple-darwin'), expect_broken(4105)),
                  exit_code(3) ],