build with emscripten

4 files changed, 13 insertions, 1 deletions

diff --git a/Tupfile b/Tupfile
index dfc3d58..8ee3a90 100644
--- a/Tupfile
+++ b/Tupfile
@@ -1,6 +1,6 @@
 CC = gcc
 CFLAGS = -Os -std=c99 `sdl2-config --cflags`
-LIBS = -lm -ldx `sdl2-config --libs` -lSDL2_image
+LIBS = -lm `sdl2-config --libs` -lSDL2_image
 
 .gitignore
 : beep.wav |> cembed -s -t beep_info -o %o %f |> beep.c
diff --git a/Tupfile.emcc b/Tupfile.emcc
new file mode 100644
index 0000000..8df6ebf
--- /dev/null
+++ b/Tupfile.emcc
@@ -0,0 +1,8 @@
+CC = emcc
+CFLAGS = -s USE_SDL=2 -s USE_SDL_IMAGE=2 -DEMCC -Os -std=c99 `sdl2-config --cflags`
+LIBS = -lm `sdl2-config --libs` -lSDL2_image
+
+.gitignore
+: beep.wav |> cembed -s -t beep_info -o %o %f |> beep.c
+: foreach *.c |> $(CC) $(CFLAGS) -c -o %o %f |> %B.o
+: *.o |> $(CC) -o scr16.html %f $(LIBS) |> scr16.html scr16.wasm scr16.js
diff --git a/screenshot.c b/screenshot.c
index 85b58ef..987ad8e 100644
--- a/screenshot.c
+++ b/screenshot.c
@@ -6,6 +6,7 @@
 
 void screenshot(void)
 {
+#ifndef EMCC
 	sfd_Options opt = {
 	    .title = "Save Screenshot",
 	    .filter_name = "Image File",
@@ -16,4 +17,5 @@ void screenshot(void)
 		dx_log_warn("save canceled");
 	else
 		r_screenshot(filename);
+#endif
 }
diff --git a/sfd.c b/sfd.c
index 95fa582..39e9358 100644
--- a/sfd.c
+++ b/sfd.c
@@ -1,3 +1,4 @@
+#ifndef EMCC
 /*
  * Copyright (c) 2017 rxi
  *
@@ -254,3 +255,4 @@ const char *sfd_save_dialog(sfd_Options *opt)
 }
 
 #endif
+#endif