[native_toolchain_c] Support environment for cl.exe
already set up
#1876
+67
−55
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We'd like
flutter_tools
to invoke thehook/build.dart
with the environment forcl.exe
already set up and stop passing ininput.config.code.cCompiler.envScript
.Therefore,
package:native_toolchain_c
should not go search for an vcvars batch script if the compiler has been provided in the code config but a vcvars script has not been provided.Issue:
CCompiler.{envScript,envScriptArgs}
and replace by other means #1606