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-rw-r--r--Makefile28
-rw-r--r--javascript/olm_post.js9
-rw-r--r--javascript/olm_pre.js9
-rw-r--r--javascript/olm_suffix.js10
4 files changed, 38 insertions, 18 deletions
diff --git a/Makefile b/Makefile
index d99c8fc..f45762d 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,8 @@ AR = ar
RELEASE_TARGET := $(BUILD_DIR)/libolm.so.$(VERSION)
STATIC_RELEASE_TARGET := $(BUILD_DIR)/libolm.a
DEBUG_TARGET := $(BUILD_DIR)/libolm_debug.so.$(VERSION)
-JS_TARGET := javascript/olm.js
+JS_WASM_TARGET := javascript/olm.js
+JS_ASMJS_TARGET := javascript/olm_legacy.js
JS_EXPORTED_FUNCTIONS := javascript/exported_functions.json
JS_EXTRA_EXPORTED_RUNTIME_METHODS := ALLOC_STACK
@@ -84,8 +85,11 @@ EMCCFLAGS += -s NO_BROWSER=1
# mind that the plaintext can only be 48K because base64). We also have about
# 36K of statics. So let's have 256K of memory.
# (This can't be changed by the app with wasm since it's baked into the wasm).
-EMCCFLAGS += -s TOTAL_STACK=65536 -s TOTAL_MEMORY=262144
+# (emscripten also mandates at least 16MB of memory for asm.js now, so
+# we don't use this for the legacy build.)
+EMCCFLAGS_WASM += -s TOTAL_STACK=65536 -s TOTAL_MEMORY=262144
+EMCCFLAGS_ASMJS += -s WASM=0
EMCC.c = $(EMCC) $(CFLAGS) $(CPPFLAGS) -c
EMCC.cc = $(EMCC) $(CXXFLAGS) $(CPPFLAGS) -c
@@ -121,7 +125,8 @@ $(FUZZER_DEBUG_BINARIES): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
$(JS_OBJECTS): CFLAGS += $(JS_OPTIMIZE_FLAGS)
$(JS_OBJECTS): CXXFLAGS += $(JS_OPTIMIZE_FLAGS)
-$(JS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
+$(JS_WASM_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
+$(JS_ASMJS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
### Fix to make mkdir work on windows and linux
ifeq ($(shell echo "check_quotes"),"check_quotes")
@@ -164,14 +169,27 @@ static: $(STATIC_RELEASE_TARGET)
$(STATIC_RELEASE_TARGET): $(RELEASE_OBJECTS)
$(AR) rcs $@ $^
-js: $(JS_TARGET)
+js: $(JS_WASM_TARGET) $(JS_ASMJS_TARGET)
.PHONY: js
# Note that the output file we give to emcc determines the name of the
# wasm file baked into the js, hence messing around outputting to olm.js
# and then renaming it.
-$(JS_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS) $(JS_PREFIX) $(JS_SUFFIX)
+$(JS_WASM_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS) $(JS_PREFIX) $(JS_SUFFIX)
EMCC_CLOSURE_ARGS="--externs $(JS_EXTERNS)" $(EMCC_LINK) \
+ $(EMCCFLAGS_WASM) \
+ $(foreach f,$(JS_PRE),--pre-js $(f)) \
+ $(foreach f,$(JS_POST),--post-js $(f)) \
+ -s "EXPORTED_FUNCTIONS=@$(JS_EXPORTED_FUNCTIONS)" \
+ -s "EXTRA_EXPORTED_RUNTIME_METHODS=$(JS_EXTRA_EXPORTED_RUNTIME_METHODS)" \
+ $(JS_OBJECTS) -o $@
+ mv $@ javascript/olmtmp.js
+ cat $(JS_PREFIX) javascript/olmtmp.js $(JS_SUFFIX) > $@
+ rm javascript/olmtmp.js
+
+$(JS_ASMJS_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS) $(JS_PREFIX) $(JS_SUFFIX)
+ EMCC_CLOSURE_ARGS="--externs $(JS_EXTERNS)" $(EMCC_LINK) \
+ $(EMCCFLAGS_ASMJS) \
$(foreach f,$(JS_PRE),--pre-js $(f)) \
$(foreach f,$(JS_POST),--post-js $(f)) \
-s "EXPORTED_FUNCTIONS=@$(JS_EXPORTED_FUNCTIONS)" \
diff --git a/javascript/olm_post.js b/javascript/olm_post.js
index 9e0294a..21ea890 100644
--- a/javascript/olm_post.js
+++ b/javascript/olm_post.js
@@ -463,12 +463,3 @@ olm_exports["get_library_version"] = restore_stack(function() {
getValue(buf+2, 'i8'),
];
});
-
-Module['onRuntimeInitialized'] = function() {
- OLM_ERROR = Module['_olm_error']();
- if (onInitSuccess) onInitSuccess();
-};
-
-Module['onAbort'] = function(err) {
- if (onInitFail) onInitFail(err);
-};
diff --git a/javascript/olm_pre.js b/javascript/olm_pre.js
index 4feff97..18d836d 100644
--- a/javascript/olm_pre.js
+++ b/javascript/olm_pre.js
@@ -37,3 +37,12 @@ if (typeof(OLM_OPTIONS) !== 'undefined') {
* use UTF8ToString.
*/
var NULL_BYTE_PADDING_LENGTH = 1;
+
+Module['onRuntimeInitialized'] = function() {
+ OLM_ERROR = Module['_olm_error']();
+ if (onInitSuccess) onInitSuccess();
+};
+
+Module['onAbort'] = function(err) {
+ if (onInitFail) onInitFail(err);
+};
diff --git a/javascript/olm_suffix.js b/javascript/olm_suffix.js
index 7f19953..3e2f664 100644
--- a/javascript/olm_suffix.js
+++ b/javascript/olm_suffix.js
@@ -24,7 +24,9 @@ if (typeof(window) !== 'undefined') {
window["Olm"] = olm_exports;
}
-// Emscripten sets the module exports to be its module
-// with wrapped c functions. Clobber it with our higher
-// level wrapper class.
-module.exports = olm_exports;
+if (typeof module === 'object') {
+ // Emscripten sets the module exports to be its module
+ // with wrapped c functions. Clobber it with our higher
+ // level wrapper class.
+ module.exports = olm_exports;
+}