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Published 20 hours ago • verified publisher icon slint-ui

/usr/bin/ld: cannot find -lQt5Core: No such file or directory

Open zhuisu930 opened this issue 1 year ago • 6 comments 

cargo build
   Compiling slint_demo v0.1.0 (/home/linux/RustroverProjects/slint_demo)
error: linking with `cc` failed: exit status: 1
  |
  = note: LC_ALL="C" PATH="/home/linux/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/home/linux/bin:/home/linux/.cargo/bin:/home/linux/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc2RxaUq/symbols.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1cwyp58fhtzno6wk.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1e3x5gplwjmgey98.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1fon4sbqc4u0ar90.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1qa7lvnywnvxtyfj.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1rce0h5apbknylq3.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1tav2o1a2j6svhou.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1twzezw3pwv041rz.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1ycqgux9cbl5f2ub.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.1zhl5dyv19h5fegu.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.206gwtpzv307ss14.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.209s5olmto1gxnrh.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.20weudajx3jjp71x.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.2165tfqbt6rcmln3.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.26fbsef3a2bonww5.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.26rdw12nyid6i2ob.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.277i5im8a1a26a9e.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.28kgp52ntvfjz5d4.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.2ee2kbl8x354fyx9.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.2ophw7wmqvzkze0t.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.2ws31pckj1yd7y55.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.2wu6t2mkoysi0oxl.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3a2getzezqmo8461.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3d1do40gpbes3ts0.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3f1fle1xj456xg5y.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3fx7gsah6fwibu1m.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3js7rejigepduno6.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3n86862j4gdpzjfr.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3s5rx5o4j4vinrva.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3zyubbty5zkcjuyz.rcgu.o" 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"/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.5ekrd4o9ggbnrnxz.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.7yaof87zkiiatrb.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.f6sfosdmcz1umsw.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.fx1skpg51z78yvi.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.jh1oxi7ydzsviey.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.mh0k85ld2pmbd4d.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.mmisy8f35hc5ja6.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.nvsa7pq9rjw66c9.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.tgohtpgbny0ll2g.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.uk4y430nvjdisyj.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.vt2oabngepsng1w.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.xs9v8ccmwvo1f5u.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.ywvzvpf2epc5yz6.rcgu.o" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/slint_demo-aff221a989234697.3w66icne6kbw0636.rcgu.o" "-Wl,--as-needed" "-L" "/home/linux/RustroverProjects/slint_demo/target/debug/deps" "-L" "D:/Qt/qt/5.15.2/msvc2019_64/lib" "-L" "/home/linux/RustroverProjects/slint_demo/target/debug/build/i-slint-backend-qt-dc5bb30325c322f1/out" "-L" "/home/linux/RustroverProjects/slint_demo/target/debug/build/qttypes-b5ebe632101dc694/out" 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"/home/linux/RustroverProjects/slint_demo/target/debug/deps/libatspi_connection-1b8691b51842641a.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libatspi_proxies-3ab2ce305335bf3c.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libatspi_common-8fe3ebb683517b59.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libaccesskit_consumer-578235ea3874b9c0.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libzbus-bd0a2592c205ba17.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libasync_fs-cb103a16f3e67199.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libblocking-0f6aeaf2d082cf90.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libpiper-a0adac4908e52ecb.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libatomic_waker-48902a0f00d67dce.rlib" "/home/linux/RustroverProjects/slint_demo/target/debug/deps/libasync_channel-7dbc554817674c0e.rlib" 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  = note: /usr/bin/ld: cannot find -lQt5Core: No such file or directory
          collect2: error: ld returned 1 exit status
          

error: could not compile `slint_demo` (bin "slint_demo") due to previous error

My Qt configuration is qmake -query: 2024-02-22 22-49-42屏幕截图

and file libQt55Core 2024-02-22 22-50-33屏幕截图

zhuisu930 avatar Feb 22 '24 14:02 zhuisu930

I can find this libQt5Core.so in my system, what't wrong?

zhuisu930 avatar Feb 22 '24 14:02 zhuisu930

Looks like you indeed have the Qt5 packages of your distribution installed. That is enough to find the library at run-time.

Do you have the dev package for Qt5 installed, too? The linker needs it at link-time during the build.

hunger avatar Feb 23 '24 09:02 hunger

The command line you pasted has "-L" "/usr/lib/x86_64-linux-gnu" (good) and according to your screenshot /usr/lib/x86_64-linux-gnu/libQt5Core.so exists (good). It's not apparent to me why the linker can't find the file.

Are you using WSL by chance?

As a workaround, you can set an environment variable: export SLINT_NO_QT=1.

tronical avatar Feb 23 '24 09:02 tronical

set an environment variable: export SLINT_NO_QT=1

The command line you pasted has "-L" "/usr/lib/x86_64-linux-gnu" (good) and according to your screenshot /usr/lib/x86_64-linux-gnu/libQt5Core.so exists (good). It's not apparent to me why the linker can't find the file.

Are you using WSL by chance? NO, My system is ubuntu 22.04, The /usr/lib/x86_64-linux-gnu/libQt5Core.so library is a soft link that points to /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.13.3 As a workaround, you can set an environment variable: export SLINT_NO_QT=1. Setting an environment variable: export SLINT_NO_QT=1 for compilation, but the error remains the same

zhuisu930 avatar Feb 27 '24 05:02 zhuisu930

Looks like you indeed have the Qt5 packages of your distribution installed. That is enough to find the library at run-time.

Do you have the dev package for Qt5 installed, too? The linker needs it at link-time during the build.

The qt5base dev package has been installed

zhuisu930 avatar Feb 27 '24 05:02 zhuisu930

Any news on this issue? I'm afraid we are a bit clueless on what is going on. Something seems wrong with the setup. You will have to investigate yourself why this error occurs. The command seems alright to me, so it is a mystery why it reports that the library is not found. Let us know if there is something we can do in Slint to address this issue.

ogoffart avatar Mar 23 '24 07:03 ogoffart

i'm going to close this issue as i don't think we can do something. But please let me know if you have more info that would let us do something about it

ogoffart avatar Jun 28 '24 13:06 ogoffart