Fix emscripten build (issue was with some test stuff anyways)

fmt/Makefile

@@ -12,7 +12,7 @@ impl:
 	apt-get update && apt-get install libz-dev -y && \
 	pushd fmt && \
 	mkdir build && pushd build && \
-	CXX=$$(which c++) cmake -DCMAKE_C_FLAGS=-fPIC -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_INSTALL_PREFIX=$$PWD/fmt_out .. && \
+	CXX=$$(which c++) cmake -DCMAKE_C_FLAGS=-fPIC -DFMT_TEST=off -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_INSTALL_PREFIX=$$PWD/fmt_out .. && \
 	make -j $$(nproc) && \
 	make install
 
@@ -21,7 +21,7 @@ impl-emscripten:
 	apt-get update && apt-get install libz-dev -y && \
 	pushd fmt && \
 	mkdir build2 && pushd build2 && \
-	CXX=/emsdk/upstream/emscripten/em++ cmake -DCMAKE_C_FLAGS=-fPIC -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_INSTALL_PREFIX=$$PWD/fmt_out2 .. && \
+	CXX=/emsdk/upstream/emscripten/em++ cmake -DFMT_TEST=off -DCMAKE_C_FLAGS=-fPIC -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_INSTALL_PREFIX=$$PWD/fmt_out2 .. && \
 	make -j $$(nproc) && \
 	make install