fix: add env variables in parallel for llvm and gcc

src/gcc/gcc.ts

@@ -68,48 +68,52 @@ export async function setupGcc(version: string, _setupDir: string, arch: string)
 }
 
 async function activateGcc(version: string, binDir: string) {
+  const promises: Promise<void>[] = []
+  // Setup gcc as the compiler
+
   // TODO
   // const ld = process.env.LD_LIBRARY_PATH ?? ""
   // const dyld = process.env.DYLD_LIBRARY_PATH ?? ""
-  // // Setup gcc as the compiler
-  // await addEnv("LD_LIBRARY_PATH", `${installDir}/lib${path.delimiter}${ld}`)
-  // await addEnv("DYLD_LIBRARY_PATH", `${installDir}/lib${path.delimiter}${dyld}`)
-  // await addEnv("CPATH", `${installDir}/lib/gcc/${majorVersion}/include`)
-  // await addEnv("LDFLAGS", `-L${installDir}/lib`)
-  // await addEnv("CPPFLAGS", `-I${installDir}/include`)
+  // promises.push(
+  //   addEnv("LD_LIBRARY_PATH", `${installDir}/lib${path.delimiter}${ld}`),
+  //   addEnv("DYLD_LIBRARY_PATH", `${installDir}/lib${path.delimiter}${dyld}`),
+  //   addEnv("CPATH", `${installDir}/lib/gcc/${majorVersion}/include`),
+  //   addEnv("LDFLAGS", `-L${installDir}/lib`),
+  //   addEnv("CPPFLAGS", `-I${installDir}/include`)
+  // )
+
   if (process.platform === "win32") {
-    await addEnv("CC", `${binDir}/gcc`)
-    await addEnv("CXX", `${binDir}/g++`)
+    promises.push(addEnv("CC", `${binDir}/gcc`), addEnv("CXX", `${binDir}/g++`))
   } else {
     const majorVersion = semverMajor(semverCoerce(version) ?? version)
     if (majorVersion >= 5) {
-      await addEnv("CC", `${binDir}/gcc-${majorVersion}`)
-      await addEnv("CXX", `${binDir}/g++-${majorVersion}`)
+      promises.push(addEnv("CC", `${binDir}/gcc-${majorVersion}`), addEnv("CXX", `${binDir}/g++-${majorVersion}`))
 
       if (process.platform === "linux") {
-        await updateAptAlternatives("cc", `${binDir}/gcc-${majorVersion}`)
-        await updateAptAlternatives("cxx", `${binDir}/g++-${majorVersion}`)
-        await updateAptAlternatives("gcc", `${binDir}/gcc-${majorVersion}`)
-        await updateAptAlternatives("g++", `${binDir}/g++-${majorVersion}`)
+        updateAptAlternatives("cc", `${binDir}/gcc-${majorVersion}`)
+        updateAptAlternatives("cxx", `${binDir}/g++-${majorVersion}`)
+        updateAptAlternatives("gcc", `${binDir}/gcc-${majorVersion}`)
+        updateAptAlternatives("g++", `${binDir}/g++-${majorVersion}`)
       }
     } else {
-      await addEnv("CC", `${binDir}/gcc-${version}`)
-      await addEnv("CXX", `${binDir}/g++-${version}`)
+      promises.push(addEnv("CC", `${binDir}/gcc-${version}`), addEnv("CXX", `${binDir}/g++-${version}`))
 
       if (process.platform === "linux") {
-        await updateAptAlternatives("cc", `${binDir}/gcc-${version}`)
-        await updateAptAlternatives("cxx", `${binDir}/g++-${version}`)
-        await updateAptAlternatives("gcc", `${binDir}/gcc-${version}`)
-        await updateAptAlternatives("g++", `${binDir}/g++-${version}`)
+        updateAptAlternatives("cc", `${binDir}/gcc-${version}`)
+        updateAptAlternatives("cxx", `${binDir}/g++-${version}`)
+        updateAptAlternatives("gcc", `${binDir}/gcc-${version}`)
+        updateAptAlternatives("g++", `${binDir}/g++-${version}`)
       }
     }
   }
 
-  await setupMacOSSDK()
+  promises.push(setupMacOSSDK())
 
   if (isGitHubCI()) {
     addGccLoggingMatcher()
   }
+
+  await Promise.all(promises)
 }
 
 function addGccLoggingMatcher() {

src/llvm/llvm.ts

@@ -301,45 +301,53 @@ export async function activateLLVM(directory: string, versionGiven: string) {
   const ld = process.env.LD_LIBRARY_PATH ?? ""
   const dyld = process.env.DYLD_LIBRARY_PATH ?? ""
 
-  await addEnv("LLVM_PATH", directory) // the output of this action
+  const promises = [
+    // the output of this action
+    addEnv("LLVM_PATH", directory),
 
     // Setup LLVM as the compiler
-  await addEnv("LD_LIBRARY_PATH", `${lib}${path.delimiter}${ld}`)
-  await addEnv("DYLD_LIBRARY_PATH", `${lib}${path.delimiter}${dyld}`)
+    addEnv("LD_LIBRARY_PATH", `${lib}${path.delimiter}${ld}`),
+    addEnv("DYLD_LIBRARY_PATH", `${lib}${path.delimiter}${dyld}`),
+
+    // compiler flags
+    addEnv("LDFLAGS", `-L'${directory}/lib'`),
+    addEnv("CPPFLAGS", `-I'${directory}/include'`),
+
+    // compiler paths
+    addEnv("CC", `${directory}/bin/clang`),
+    addEnv("CXX", `${directory}/bin/clang++`),
+
+    addEnv("LIBRARY_PATH", `${directory}/lib`),
+
+    // os sdks
+    setupMacOSSDK(),
+  ]
 
   // windows builds fail with llvm's CPATH
   if (process.platform !== "win32") {
     const llvmMajor = semverMajor(version)
     if (existsSync(`${directory}/lib/clang/${version}/include`)) {
-      await addEnv("CPATH", `${directory}/lib/clang/${version}/include`)
+      promises.push(addEnv("CPATH", `${directory}/lib/clang/${version}/include`))
     } else if (existsSync(`${directory}/lib/clang/${llvmMajor}/include`)) {
-      await addEnv("CPATH", `${directory}/lib/clang/${llvmMajor}/include`)
+      promises.push(addEnv("CPATH", `${directory}/lib/clang/${llvmMajor}/include`))
     }
   }
 
-  await addEnv("LDFLAGS", `-L'${directory}/lib'`)
-  await addEnv("CPPFLAGS", `-I'${directory}/include'`)
-
-  await addEnv("CC", `${directory}/bin/clang`)
-  await addEnv("CXX", `${directory}/bin/clang++`)
-
-  await addEnv("LIBRARY_PATH", `${directory}/lib`)
-
-  await setupMacOSSDK()
-
   if (process.platform === "linux") {
-    await updateAptAlternatives("cc", `${directory}/bin/clang`)
-    await updateAptAlternatives("cxx", `${directory}/bin/clang++`)
-    await updateAptAlternatives("clang", `${directory}/bin/clang`)
-    await updateAptAlternatives("clang++", `${directory}/bin/clang++`)
-    await updateAptAlternatives("lld", `${directory}/bin/lld`)
-    await updateAptAlternatives("ld.lld", `${directory}/bin/ld.lld`)
-    await updateAptAlternatives("llvm-ar", `${directory}/bin/llvm-ar`)
+    updateAptAlternatives("cc", `${directory}/bin/clang`)
+    updateAptAlternatives("cxx", `${directory}/bin/clang++`)
+    updateAptAlternatives("clang", `${directory}/bin/clang`)
+    updateAptAlternatives("clang++", `${directory}/bin/clang++`)
+    updateAptAlternatives("lld", `${directory}/bin/lld`)
+    updateAptAlternatives("ld.lld", `${directory}/bin/ld.lld`)
+    updateAptAlternatives("llvm-ar", `${directory}/bin/llvm-ar`)
   }
 
   if (isGitHubCI()) {
     addLLVMLoggingMatcher()
   }
+
+  await Promise.all(promises)
 }
 
 /** Setup llvm tools (clang tidy, clang format, etc) without activating llvm and using it as the compiler */

src/main.ts

@@ -244,8 +244,7 @@ export async function main(args: string[]): Promise<number> {
         case "appleclang":
         case "applellvm": {
           notice("Assuming apple-clang is already installed")
-          await addEnv("CC", "clang")
-          await addEnv("CXX", "clang++")
+          await Promise.all([addEnv("CC", "clang"), addEnv("CXX", "clang++")])
           successMessages.push(getSuccessMessage("apple-clang", undefined))
           break
         }