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Install: advanced option to force global libvips #4060

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Lovell Fuller 2024-04-10 09:25:53 +01:00
parent f67228e5ea
commit 579cf93030
5 changed files with 28 additions and 6 deletions
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3
docs/changelog.md
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@ -12,6 +12,9 @@ Requires libvips v8.15.2
[#4048](https://github.com/lovell/sharp/pull/4048)
[@ike-gg](https://github.com/ike-gg)
* Install: add advanced option to force use of a globally-installed libvips.
[#4060](https://github.com/lovell/sharp/issues/4060)
* Expose `bilinear` resizing kernel (and interpolator).
[#4061](https://github.com/lovell/sharp/issues/4061)

7
docs/install.md
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@ -103,9 +103,14 @@ and on macOS when running Node.js under Rosetta.
This module will be compiled from source at `npm install` time when:
* a globally-installed libvips is detected (set the `SHARP_IGNORE_GLOBAL_LIBVIPS` environment variable to skip this), or
* a globally-installed libvips is detected, or
* when the `npm install --build-from-source` flag is used.
The logic to detect a globally-installed libvips can be skipped by setting the
`SHARP_IGNORE_GLOBAL_LIBVIPS` (never try to use it) or
`SHARP_FORCE_GLOBAL_LIBVIPS` (always try to use it, even when missing or outdated)
environment variables.
Building from source requires:
* C++11 compiler

2
docs/search-index.json
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File diff suppressed because one or more lines are too long

14
lib/libvips.js
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@ -162,15 +162,21 @@ const pkgConfigPath = () => {
}
};
const skipSearch = (status, reason) => {
log(`Detected ${reason}, skipping search for globally-installed libvips`);
return status;
};
const useGlobalLibvips = () => {
if (Boolean(process.env.SHARP_IGNORE_GLOBAL_LIBVIPS) === true) {
log('Detected SHARP_IGNORE_GLOBAL_LIBVIPS, skipping search for globally-installed libvips');
return false;
return skipSearch(false, 'SHARP_IGNORE_GLOBAL_LIBVIPS');
}
if (Boolean(process.env.SHARP_FORCE_GLOBAL_LIBVIPS) === true) {
return skipSearch(true, 'SHARP_FORCE_GLOBAL_LIBVIPS');
}
/* istanbul ignore next */
if (isRosetta()) {
log('Detected Rosetta, skipping search for globally-installed libvips');
return false;
return skipSearch(false, 'Rosetta');
}
const globalVipsVersion = globalLibvipsVersion();
return !!globalVipsVersion && /* istanbul ignore next */

8
test/unit/libvips.js
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@ -66,6 +66,14 @@ describe('libvips binaries', function () {
delete process.env.SHARP_IGNORE_GLOBAL_LIBVIPS;
});
it('useGlobalLibvips can be forced via an env var', function () {
process.env.SHARP_FORCE_GLOBAL_LIBVIPS = 1;
const useGlobalLibvips = libvips.useGlobalLibvips();
assert.strictEqual(true, useGlobalLibvips);
delete process.env.SHARP_FORCE_GLOBAL_LIBVIPS;
});
});
describe('Build time platform detection', () => {