feat: add Gcov environment variables

cspell.config.yaml

@@ -34,6 +34,7 @@ words:
   - esmodule
   - execa
   - ftxui
+  - GCOV
   - gcovr
   - ghes
   - Graphviz

src/gcovr/gcovr.ts

@@ -1,6 +1,21 @@
+import { addEnv } from "../utils/env/addEnv"
 import { setupPipPack } from "../utils/setup/setupPipPack"
+import semverValid from "semver/functions/valid"
+import semverMajor from "semver/functions/major"
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export function setupGcovr(version: string | undefined, _setupDir: string, _arch: string) {
   return setupPipPack("gcovr", version)
 }
+
+export function activateGcovLLVM() {
+  return addEnv("GCOV", "llvm-cov gcov")
+}
+
+export function activateGcovGCC(gccVersion: string) {
+  const gccSemver = semverValid(gccVersion)
+  const gccMajor = gccSemver !== null ? semverMajor(gccSemver) : gccVersion
+  const gcov = gccMajor !== "" ? `gcov-${gccMajor}` : "gcov"
+
+  return addEnv("GCOV", gcov)
+}

src/main.ts

@@ -8,7 +8,7 @@ import { setupCmake } from "./cmake/cmake"
 import { setupConan } from "./conan/conan"
 import { setupCppcheck } from "./cppcheck/cppcheck"
 import { setupDoxygen } from "./doxygen/doxygen"
-import { setupGcovr } from "./gcovr/gcovr"
+import { activateGcovGCC, activateGcovLLVM, setupGcovr } from "./gcovr/gcovr"
 import { setupLLVM, setupClangTools } from "./llvm/llvm"
 import { setupMeson } from "./meson/meson"
 import { setupMSVC } from "./msvc/msvc"
@@ -201,6 +201,9 @@ export async function main(args: string[]): Promise<number> {
             join(setupCppDir, "llvm"),
             arch
           )
+
+          await activateGcovLLVM()
+
           successMessages.push(getSuccessMessage("llvm", installationInfo))
           break
         }
@@ -208,13 +211,16 @@ export async function main(args: string[]): Promise<number> {
         case "mingw":
         case "cygwin":
         case "msys": {
-          const installationInfo = await setupGcc(getVersion("gcc", version, osVersion), join(setupCppDir, "gcc"), arch)
+          const gccVersion = getVersion("gcc", version, osVersion)
+          const installationInfo = await setupGcc(gccVersion, join(setupCppDir, "gcc"), arch)
 
           if (hasLLVM) {
             // remove the CPPFLAGS of LLVM that include the LLVM headers
             await addEnv("CPPFLAGS", "")
           }
 
+          await activateGcovGCC(gccVersion)
+
           successMessages.push(getSuccessMessage("gcc", installationInfo))
           break
         }