Originally reported: https://bugzilla.mozilla.org/show_bug.cgi?id=1418749#c49 In nsWindow::SetProgress: widget/gtk/nsWindow.cpp:7097:80: error: comparison of unsigned expression < 0 is always false [-Werror=type-limits] This is being caused by the expansion of the CLAMP macro, which ends up checking if (progressPercent < 0) See: https://developer.gnome.org/glib/stable/glib-Standard-Macros.html#CLAMP:CAPS Currently blocking building of Thunderbird Dailies for linux.

Patch attached.

Comment on attachment 8958657 [details] [diff] [review] 0001-Bug-1445503-widget-gtk-nsWindow.cpp-Use-MIN-instead-.patch Thanks again! >Subject: [PATCH] Bug 1445503 - widget/gtk/nsWindow.cpp: Use MIN instead of > CLAMP. CLAMP is unnecessary, as the minimum acceptable value is 0, and > progressPercent is unsigned. This can trigger the following warning/ error > in some builds: Gecko convention is to have just a summary in the first line, then a blank line, then the rest of the explanation. Something like: Bug 1445503 - Use MIN instead of unnecessary CLAMP r=karlt CLAMP is unnecessary as the minimum acceptable value is 0, and progressPercent is unsigned. CLAMP can trigger ...

I was going to give this a try build, but someone stole my f? ;-) So I'll fix the commit message and ask for checkin :-)

Fixed commit message and added newline to the end of the file. Carrying over Karl's r+.

Pushed by dluca@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/d25f89538c90 Use MIN instead of unnecessary CLAMP r=karlt

Thank you very much Michael, Karl, and Jörg.

(In reply to Jorg K (GMT+1) from comment #3) > but someone stole my f? ;-) Sorry about that. I guess I must be in the habit of ticking boxes. Thanks for finishing.