diff --git a/Makefile b/Makefile
index 539a044..36eb17c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,6 @@
 CXXFLAGS+= -std=c++23 -O3
+CXX=g++15
+CC=gcc15
 TARGET=cudir
 
 CPPFLAGS+= -I /usr/local/include
@@ -6,7 +8,11 @@ CPPFLAGS+= -I.
 
 LD=$(CXX)
 
+LOCALBASE?= /usr/local
+
 LDFLAGS+= -Wl,-rpath,'$$ORIGIN/' -L .
+LDFLAGS+= -Wl,-rpath,${LOCALBASE}/lib/${CC}/
+LDFLAGS+= -L${LOCALBASE}/lib/${CC}/
 LDLIBS+= -lalepha
 
 OBJECTS= helpers.o format.o
@@ -21,7 +27,7 @@ $(TARGET): $(OBJECTS) libalepha.so
 
 libalepha.so:
 	mkdir -p build_alepha
-	cd build_alepha; cmake -GNinja -DCMAKE_BUILD_TYPE=Release ../Alepha; cp ../Alepha/helpful-things/Makefile .; make
+	cd build_alepha; cmake -GNinja -DCMAKE_CXX_FLAGS="${CXXFLAGS} ${CPPFLAGS}" -DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" -DCMAKE_SHARED_LINKER_FLAGS="${LDFLAGS}" -DCMAKE_CXX_COMPILER="${CXX}" -DCMAKE_C_COMPILER="${CC}" -DCMAKE_BUILD_TYPE=Release ../Alepha; cp ../Alepha/helpful-things/Makefile .; gmake
 	cp build_alepha/libalepha.so .