Update README.md to fix installation error - #688

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Update README.md to fix installation error#688
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Added a note about needing to install libgles-dev package if you get an error during install.

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thanks. (it's probably missing a few other Gio dependencies, though)

perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.

We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.

@centerorbit

centerorbit commented May 3, 2021•
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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.

sbinet
sbinet reviewed Jun 24, 2021
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Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`

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perhaps redirect (also? instead?) to Gio's official page for installation?
we should probably rely on their instructions than ours as the latter might sync' off...

ie: https://gioui.org/doc/install

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fixed w/ #789

@sbinetsbinet closed this Mar 27, 2025
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Update README.md to fix installation error - #688
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Update README.md to fix installation error#688
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@centerorbit
@centerorbitcenterorbit
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May 3, 2021

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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
sbinet
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May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
@kortschak
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May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
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May 3, 2021•

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
reviewed
Jun 24, 2021
View reviewed changes
Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
sbinet
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Mar 27, 2025

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fixed w/ #789
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closed this
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
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} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Update README.md to fix installation error - #688
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Update README.md to fix installation error#688
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@centerorbit
@centerorbitcenterorbit
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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
sbinet
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May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
@kortschak
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May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
commented
May 3, 2021•

edited

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
reviewed
Jun 24, 2021
View reviewed changes
Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
sbinet
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Mar 27, 2025

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fixed w/ #789
@sbinetsbinet
closed this
Mar 27, 2025
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Update README.md to fix installation error - #688
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Update README.md to fix installation error#688
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@centerorbit
@centerorbitcenterorbit
commented
May 3, 2021

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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
sbinet
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May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
@kortschak
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May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
commented
May 3, 2021•

edited

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
reviewed
Jun 24, 2021
View reviewed changes
Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
sbinet
commented
Mar 27, 2025

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fixed w/ #789
@sbinetsbinet
closed this
Mar 27, 2025
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@centerorbit@sbinet@kortschak

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
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} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Update README.md to fix installation error - #688
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Update README.md to fix installation error#688
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@centerorbit
@centerorbitcenterorbit
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May 3, 2021

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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
sbinet
commented
May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
@kortschak
kortschak
commented
May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
commented
May 3, 2021•

edited

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
reviewed
Jun 24, 2021
View reviewed changes
Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
sbinet
commented
Mar 27, 2025

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fixed w/ #789
@sbinetsbinet
closed this
Mar 27, 2025
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@centerorbit@sbinet@kortschak

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Update README.md to fix installation error - #688
Closed
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Update README.md to fix installation error#688
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@centerorbit
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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
sbinet
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May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
@kortschak
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May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
commented
May 3, 2021•

edited

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
reviewed
Jun 24, 2021
View reviewed changes
Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
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Mar 27, 2025

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fixed w/ #789
@sbinetsbinet
closed this
Mar 27, 2025
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Update README.md to fix installation error - #688
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Update README.md to fix installation error#688
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@centerorbit
@centerorbitcenterorbit
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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
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May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
@kortschak
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May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
commented
May 3, 2021•

edited

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
reviewed
Jun 24, 2021
View reviewed changes
Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
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commented
Mar 27, 2025

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fixed w/ #789
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closed this
Mar 27, 2025
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Update README.md to fix installation error - #688
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Update README.md to fix installation error#688
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@centerorbit
@centerorbitcenterorbit
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May 3, 2021

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Added a note about needing to install libgles-dev package if you get an error during install.
@sbinet
sbinet
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May 3, 2021

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thanks. (it's probably missing a few other Gio dependencies, though)
perhaps we should "guard" vg/vggio behind a // +build vggio build tag, so go get gonum.org/v1/plot/... is kept "pure-Go" ?
@kortschak
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May 3, 2021

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Yeah, I'm not sure. That places an obstacle to use of the package that causes its own problems.
We should also decide whether we want to test on travis, since we have minutes back. I'd prefer not to since we're half way through what we have and they are more valuable for testing gonum/gonum on arm64.
@centerorbit
centerorbit
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May 3, 2021•

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Thanks all. Just for reference, I experienced this on Pop!_OS 20.10; and it was the only error I experienced during install.
sbinet
sbinet
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Jun 24, 2021
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Comment threadREADME.md

Note: If you get this error during install "Package glesv2 was not found in the pkg-config search path.", install the `libgles-dev` package for your system:

`sudo apt install libgles-dev`
@sbinetsbinetJun 24, 2021

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perhaps redirect (also? instead?) to Gio's official page for installation?

we should probably rely on their instructions than ours as the latter might sync' off...
ie: https://gioui.org/doc/install
@sbinet
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Mar 27, 2025

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fixed w/ #789
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Mar 27, 2025
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