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Query CMake capabilities for generator detection (#158) #159

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Merged
merged 1 commit into from
Feb 14, 2019
Merged

Query CMake capabilities for generator detection (#158) #159

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10 changes: 10 additions & 0 deletions lib/es6/cMake.js
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,16 @@ CMake.getGenerators = async(function* (options) {
options = options || {};
let gens = [];
if (CMake.isAvailable(options)) {
// try parsing machine-readable capabilities (available since CMake 3.7)
try {
let stdout = yield processHelpers.exec((options.cmakePath || "cmake") + " -E capabilities");
let capabilities = JSON.parse(stdout);
return capabilities.generators.map(x => x.name);
} catch (error) {
this.log.verbose("TOOL", "Failed to query CMake capabilities (CMake is probably older than 3.7)");
}

// fall back to parsing help text
let stdout = yield processHelpers.exec((options.cmakePath || "cmake") + " --help");
let hasCr = stdout.includes("\r\n");
let output = hasCr ? stdout.split("\r\n") : stdout.split("\n");
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