diff --git a/builder b/builder
index a4ec7aa..758f850 100755
--- a/builder
+++ b/builder
@@ -155,8 +155,8 @@ function popd_build() {
 function build-gen() {
     pushed_build
     info "Running: "
-    info "cmake -G Ninja ${CMAKEARGS[*]} ${CMAKEARGS_DEBUG[*]}" "$@" "$ME"
-    cmake -G Ninja "${CMAKEARGS[@]}" "${CMAKEARGS_DEBUG[@]}" "$@" "$ME"
+    info "cmake -G Ninja -DCMAKE_TOOLCHAIN_FILE=$ME/cmake/toolchains/linux.cmake" "$ME" "${CMAKEARGS[*]} ${CMAKEARGS_DEBUG[*]}" "$@"
+    cmake -G Ninja "-DCMAKE_TOOLCHAIN_FILE=$ME/cmake/toolchains/linux.cmake" "$ME" "${CMAKEARGS[@]}" "${CMAKEARGS_DEBUG[@]}" "$@"
     popd_build
 }
 
diff --git a/cmake/toolchains/linux.cmake b/cmake/toolchains/linux.cmake
new file mode 100644
index 0000000..ec874f8
--- /dev/null
+++ b/cmake/toolchains/linux.cmake
@@ -0,0 +1,38 @@
+# Serene Programming Language
+#
+# Copyright (c) 2019-2023 Sameer Rahmani <lxsameer@gnu.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, version 2.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR x86_64)
+
+set(triple x86_64-unknown-linux-gnu)
+
+set(CMAKE_C_COMPILER "${SERENE_TOOLCHAIN_PATH}/bin/clang")
+set(CMAKE_C_COMPILER_TARGET ${triple})
+
+set(CMAKE_CXX_COMPILER "${SERENE_TOOLCHAIN_PATH}/bin/clang++")
+set(CMAKE_CXX_COMPILER_TARGET ${triple})
+
+# where is the target environment located
+set(CMAKE_FIND_ROOT_PATH "${SERENE_TOOLCHAIN_PATH}")
+
+# adjust the default behavior of the FIND_XXX() commands:
+# search programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+# search headers and libraries in the target environment
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+message(">>>> ${CMAKE_C_COMPILER} -- ${SERENE_TOOLCHAIN_PATH}")