openssl build scripts -- pending bridge to new C++ impls, incl bulletproofs

.gitignore

@@ -13,3 +13,4 @@ contrib/boost-sdk/b2
 contrib/boost-sdk/project-config.jam
 contrib/boost-sdk/bootstrap.log
 contrib/boost-sdk/bin.v2
+

CMakeLists.txt

@@ -7,6 +7,7 @@ project(MyMoneroCoreCpp)
 
 
 include_directories("build/boost/include") # must exist already - run bin/build-boost-emscripten.sh
+include_directories("build/openssl/include") # must exist already - run bin/build-openssl-emscripten.sh
 include_directories("src")
 include_directories("src/submodules/monero-core-custom/crypto")
 include_directories("src/submodules/monero-core-custom/epee/include")
@@ -23,6 +24,7 @@ set(
 )
 
 set(boost_DIR ${CMAKE_SOURCE_DIR}/build/boost)
+set(openssl_DIR ${CMAKE_SOURCE_DIR}/build/openssl)
 
 add_library(boost_atomic STATIC IMPORTED)
 set_target_properties(
@@ -101,9 +103,23 @@ set_target_properties(
     boost_wserialization PROPERTIES IMPORTED_LOCATION
     ${boost_DIR}/lib/libboost_wserialization.a
 )
-
-
-
+#
+#
+#
+add_library(crypto STATIC IMPORTED)
+set_target_properties(
+    crypto PROPERTIES IMPORTED_LOCATION
+    ${openssl_DIR}/lib/libcrypto.a
+)
+#
+add_library(ssl STATIC IMPORTED)
+set_target_properties(
+    ssl PROPERTIES IMPORTED_LOCATION
+    ${openssl_DIR}/lib/libssl.a
+)
+#
+#
+#
 set(
 	EMCC_LINKER_FLAGS 
     #unsure if the -I...boost..include is necessary here due to include above
@@ -143,5 +159,9 @@ target_link_libraries(
     boost_thread
     boost_timer
     boost_wserialization
+    #
+    crypto
+    ssl
+    #
     ${log-lib}
 )

README.md

@@ -64,9 +64,19 @@ Download a copy of the contents of the Boost source into `./contrib/boost-sdk/`.
 
 * Execute `bin/build-boost-emscripten.sh`
 
+
+### OpenSSL for Emscripten
+
+*Depends upon:* Emscripten SDK
+
+Download a copy of the contents of the OpenSSL source into `./contrib/openssl/`.
+
+* Execute `bin/build-openssl-emscripten.sh`
+
+
 ### Emscripten Module
 
-*Depends upon:* Emscripten SDK, Boost for Emscripten
+*Depends upon:* Emscripten SDK, Boost for Emscripten, OpenSSL for Emscripten
 
 * Execute `bin/build-emcpp.sh`
 

bin/build-openssl-emscripten.sh

@@ -0,0 +1,62 @@
+#!/bin/sh
+
+PLATFORM="emscripten"
+
+SRC_DIR="contrib/openssl"
+INSTALL_DIR="build/openssl"
+
+SRC_PATH="$(pwd)/$SRC_DIR"
+INSTALL_PATH="$(pwd)/$INSTALL_DIR"
+
+if [ ! -d "$SRC_PATH" ]; then
+  echo "SOURCE NOT FOUND!"
+  exit 1
+fi
+
+# ---
+
+cd "$SRC_PATH"
+
+#linux-generic32 \
+
+emconfigure ./Configure \
+	linux-generic32 \
+	-no-asm no-ssl2 no-ssl3 no-comp no-engine no-deprecated shared no-dso \
+	--prefix="$INSTALL_PATH" \
+	--openssldir="$INSTALL_PATH" \
+	2>&1
+
+if [ $? != 0 ]; then
+  echo "ERROR: OpenSSL Configure FAILED!"
+  exit 1
+fi
+
+# now must manually tweak the Makefile as I'm not sure how to do this via ./Configure
+to_cross_compile_line='CROSS_COMPILE='
+sed -iMakefile.bak 's/^CROSS_COMPILE=\/.*$/'"$to_cross_compile_line"'/' Makefile #must match whole line with start char or we might do it repeatedly .. though this particular one would be idempotent anyway
+# ^-- not 'g' b/c we only expect one
+
+to_defined_atomics_line='\&\& !defined(__STDC_NO_ATOMICS__) \&\& !defined(__EMSCRIPTEN__)'
+sed -irefcount_h.bak 's/\&\&\ !defined(__STDC_NO_ATOMICS__)$/'"$to_defined_atomics_line"'/' include/internal/refcount.h #the pattern is relying here on the fact the "ATOMICS__)" comes at the end of the line
+# ^-- not 'g' b/c we only expect one
+
+
+# ---
+# Clean 
+rm -rf "$INSTALL_PATH"
+mkdir "$INSTALL_PATH"
+
+emmake make \
+  2>&1
+
+
+if [ $? != 0 ]; then
+  echo "ERROR: emmake OpenSSL FAILED!"
+  exit 1
+fi
+
+# now we must move build products by manually calling make install
+
+make install \
+	2>&1
+