From e0374db328c69a11aeeb424139fa9b1022e2ad22 Mon Sep 17 00:00:00 2001
From: George Stagg <george.stagg@posit.co>
Date: Thu, 7 Dec 2023 09:33:35 +0000
Subject: [PATCH] Add WASM_FFLAGS Make variable when building stage 2 R

---
 R/Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/R/Makefile b/R/Makefile
index ae7b1f84..3293404e 100644
--- a/R/Makefile
+++ b/R/Makefile
@@ -38,6 +38,11 @@ WASM_CFLAGS := $(WASM_CFLAGS)
 WASM_CFLAGS += $(WASM_OPT)
 WASM_CFLAGS += -fPIC
 
+WASM_FFLAGS := $(WASM_FFLAGS)
+WASM_FFLAGS += --target=wasm32-unknown-emscripten
+WASM_FFLAGS += -O2
+WASM_FFLAGS += -fPIC
+
 WASM_LDFLAGS := $(WASM_LDFLAGS)
 WASM_LDFLAGS += -fwasm-exceptions
 WASM_LDFLAGS += -s SUPPORT_LONGJMP=wasm
@@ -160,7 +165,7 @@ $(BUILD)/state/R-$(R_VERSION)/r-stage2-configured: $(BUILD)/state/R-$(R_VERSION)
 	  CFLAGS="$(STAGE2_CFLAGS)" \
 	  LDFLAGS="$(STAGE2_LDFLAGS)" \
 	  LIBnn="lib" \
-	  FFLAGS="-fPIC" \
+	  FFLAGS="$(WASM_FFLAGS)" \
 	  FPICFLAGS="-fPIC" \
 	  FC="$(EMFC)" \
 	  emconfigure ../configure \