diff --git a/dist/setup/index.js b/dist/setup/index.js
index cdd0f7063..b98b9af28 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -63886,6 +63886,12 @@ function findPyPyVersion(versionSpec, architecture, updateEnvironment) {
         const pythonLocation = pypyInstall.getPyPyBinaryPath(installDir);
         if (updateEnvironment) {
             core.exportVariable('pythonLocation', installDir);
+            // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
+            core.exportVariable('Python_ROOT_DIR', installDir);
+            // https://cmake.org/cmake/help/latest/module/FindPython2.html#module:FindPython2
+            core.exportVariable('Python2_ROOT_DIR', installDir);
+            // https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
+            core.exportVariable('Python3_ROOT_DIR', installDir);
             core.exportVariable('PKG_CONFIG_PATH', pythonLocation + '/lib/pkgconfig');
             core.addPath(pythonLocation);
             core.addPath(_binDir);
@@ -64042,12 +64048,29 @@ function useCpythonVersion(version, architecture, updateEnvironment) {
                 `The list of all available versions can be found here: ${installer.MANIFEST_URL}`
             ].join(os.EOL));
         }
+        if (utils_1.IS_LINUX) {
+            const libPath = process.env.LD_LIBRARY_PATH
+                ? `:${process.env.LD_LIBRARY_PATH}`
+                : '';
+            const pyLibPath = path.join(installDir, 'lib');
+            if (!libPath.split(':').includes(pyLibPath)) {
+                core.exportVariable('LD_LIBRARY_PATH', pyLibPath + libPath);
+            }
+        }
         const _binDir = binDir(installDir);
         const binaryExtension = utils_1.IS_WINDOWS ? '.exe' : '';
         const pythonPath = path.join(utils_1.IS_WINDOWS ? installDir : _binDir, `python${binaryExtension}`);
         if (updateEnvironment) {
             core.exportVariable('pythonLocation', installDir);
             core.exportVariable('PKG_CONFIG_PATH', installDir + '/lib/pkgconfig');
+            core.exportVariable('pythonLocation', installDir);
+            // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
+            core.exportVariable('Python_ROOT_DIR', installDir);
+            // https://cmake.org/cmake/help/latest/module/FindPython2.html#module:FindPython2
+            core.exportVariable('Python2_ROOT_DIR', installDir);
+            // https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
+            core.exportVariable('Python3_ROOT_DIR', installDir);
+            core.exportVariable('PKG_CONFIG_PATH', installDir + '/lib/pkgconfig');
             if (utils_1.IS_LINUX) {
                 const libPath = process.env.LD_LIBRARY_PATH
                     ? `:${process.env.LD_LIBRARY_PATH}`
diff --git a/src/find-pypy.ts b/src/find-pypy.ts
index a19496293..3cc3fdd28 100644
--- a/src/find-pypy.ts
+++ b/src/find-pypy.ts
@@ -57,6 +57,12 @@ export async function findPyPyVersion(
   const pythonLocation = pypyInstall.getPyPyBinaryPath(installDir);
   if (updateEnvironment) {
     core.exportVariable('pythonLocation', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
+    core.exportVariable('Python_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython2.html#module:FindPython2
+    core.exportVariable('Python2_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
+    core.exportVariable('Python3_ROOT_DIR', installDir);
     core.exportVariable('PKG_CONFIG_PATH', pythonLocation + '/lib/pkgconfig');
     core.addPath(pythonLocation);
     core.addPath(_binDir);
diff --git a/src/find-python.ts b/src/find-python.ts
index 967596060..8c085d61a 100644
--- a/src/find-python.ts
+++ b/src/find-python.ts
@@ -70,6 +70,17 @@ export async function useCpythonVersion(
     );
   }
 
+  if (IS_LINUX) {
+    const libPath = process.env.LD_LIBRARY_PATH
+      ? `:${process.env.LD_LIBRARY_PATH}`
+      : '';
+    const pyLibPath = path.join(installDir, 'lib');
+
+    if (!libPath.split(':').includes(pyLibPath)) {
+      core.exportVariable('LD_LIBRARY_PATH', pyLibPath + libPath);
+    }
+  }
+
   const _binDir = binDir(installDir);
   const binaryExtension = IS_WINDOWS ? '.exe' : '';
   const pythonPath = path.join(
@@ -79,6 +90,14 @@ export async function useCpythonVersion(
   if (updateEnvironment) {
     core.exportVariable('pythonLocation', installDir);
     core.exportVariable('PKG_CONFIG_PATH', installDir + '/lib/pkgconfig');
+    core.exportVariable('pythonLocation', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython.html#module:FindPython
+    core.exportVariable('Python_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython2.html#module:FindPython2
+    core.exportVariable('Python2_ROOT_DIR', installDir);
+    // https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
+    core.exportVariable('Python3_ROOT_DIR', installDir);
+    core.exportVariable('PKG_CONFIG_PATH', installDir + '/lib/pkgconfig');
 
     if (IS_LINUX) {
       const libPath = process.env.LD_LIBRARY_PATH