Build error

[ghost]

• I have read the FAQ.
• I have searched in existing issues.

Environment

• OS: [Debian]
• scrcpy version: [这一版本：e5aa2ce01f638ebe083c821fd204a45d9d8f317d]

Run-time dependency libavformat found: YES 58.45.100
Run-time dependency libavcodec found: YES 58.91.100
Run-time dependency libavutil found: YES 56.51.100
Run-time dependency libswresample found: YES 3.7.100
Run-time dependency sdl2 found: YES 2.0.14
Run-time dependency libavdevice found: YES 58.10.100
Run-time dependency libusb-1.0 found: YES 1.0.24
Checking for function "strdup" : YES
Checking for function "asprintf" : YES
Checking for function "vasprintf" : YES
Checking for function "nrand48" : YES
Checking for function "jrand48" : YES
Checking for function "reallocarray" : YES
Header <sys/socket.h> has symbol "SOCK_CLOEXEC" : YES
Configuring config.h using configuration
Build targets in project: 3

Found ninja-1.10.1 at /usr/bin/ninja
[61/62] Compiling C object app/scrcpy.p/src_screen.c.o
FAILED: app/scrcpy.p/src_screen.c.o
ccache cc -Iapp/scrcpy.p -Iapp -I../app -I../app/src -I/usr/include/x86_64-linux-gnu -I/usr/include/SDL2 -I/usr/include/libusb-1.0 -flto -fdiagnostics-color=always -DNDEBUG -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c11 -O3 -D_REENTRANT -MD -MQ app/scrcpy.p/src_screen.c.o -MF app/scrcpy.p/src_screen.c.o.d -o app/scrcpy.p/src_screen.c.o -c ../app/src/screen.c
In file included from ../app/src/screen.h:6,
from ../app/src/screen.c:1:
../app/src/screen.c: In function ‘sc_screen_handle_event’:
../app/src/screen.c:821:13: error: a label can only be part of a statement and a declaration is not a statement
821 | bool ok = sc_screen_init_size(screen);
| ^~~~
ninja: build stopped: subcommand failed.

[p-linnane]

Also seen in Homebrew/homebrew-core#125433.

[JonnyTech]

Exactly the same for me too on Debian also:

$ uname -a
Linux WOPR 6.1.0-4mx-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.11-1~mx21+1 (2023-02-11) x86_64 GNU/Linux

$ ./install_release.sh
[scrcpy] Downloading prebuilt server...
--2023-03-12 09:24:44--  https://github.com/Genymobile/scrcpy/releases/download/v2.0/scrcpy-server-v2.0
Resolving github.com (github.com)... 140.82.113.4
Connecting to github.com (github.com)|140.82.113.4|:443... connected.
HTTP request sent, awaiting response... 302 Found
Location: https://objects.githubusercontent.com/github-production-release-asset-2e65be/111583593/a192090c-1129-4eff-bad6-50720aee7e29?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20230312%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230312T052445Z&X-Amz-Expires=300&X-Amz-Signature=48ae59fbb230c04d794b0786c75227746276d40ba8867fde4ca8e6fd127d9b05&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=111583593&response-content-disposition=attachment%3B%20filename%3Dscrcpy-server-v2.0&response-content-type=application%2Foctet-stream [following]
--2023-03-12 09:24:45--  https://objects.githubusercontent.com/github-production-release-asset-2e65be/111583593/a192090c-1129-4eff-bad6-50720aee7e29?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20230312%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20230312T052445Z&X-Amz-Expires=300&X-Amz-Signature=48ae59fbb230c04d794b0786c75227746276d40ba8867fde4ca8e6fd127d9b05&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=111583593&response-content-disposition=attachment%3B%20filename%3Dscrcpy-server-v2.0&response-content-type=application%2Foctet-stream
Resolving objects.githubusercontent.com (objects.githubusercontent.com)... 185.199.111.133, 185.199.108.133, 185.199.109.133, ...
Connecting to objects.githubusercontent.com (objects.githubusercontent.com)|185.199.111.133|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 52867 (52K) [application/octet-stream]
Saving to: ‘scrcpy-server’

scrcpy-server            100%[==================================>]  51.63K   133KB/s    in 0.4s    

2023-03-12 09:24:46 (133 KB/s) - ‘scrcpy-server’ saved [52867/52867]

[scrcpy] Verifying prebuilt server...
scrcpy-server: OK
[scrcpy] Building client...
The Meson build system
Version: 0.56.2
Source dir: /tmp/scrcpy
Build dir: /tmp/scrcpy/build-auto
Build type: native build
Project name: scrcpy
Project version: 2.0
C compiler for the host machine: cc (gcc 10.2.1 "cc (Debian 10.2.1-6) 10.2.1 20210110")
C linker for the host machine: cc ld.bfd 2.35.2
Host machine cpu family: x86_64
Host machine cpu: x86_64
Found pkg-config: /usr/bin/pkg-config (0.29.2)
Run-time dependency libavformat found: YES 58.45.100
Run-time dependency libavcodec found: YES 58.91.100
Run-time dependency libavutil found: YES 56.51.100
Run-time dependency libswresample found: YES 3.7.100
Run-time dependency sdl2 found: YES 2.0.14
Run-time dependency libavdevice found: YES 58.10.100
Run-time dependency libusb-1.0 found: YES 1.0.24
Checking for function "strdup" : YES 
Checking for function "asprintf" : YES 
Checking for function "vasprintf" : YES 
Checking for function "nrand48" : YES 
Checking for function "jrand48" : YES 
Checking for function "reallocarray" : YES 
Header <sys/socket.h> has symbol "SOCK_CLOEXEC" : YES 
Configuring config.h using configuration
Build targets in project: 3

Found ninja-1.10.1 at /usr/bin/ninja
[44/62] Compiling C object app/scrcpy.p/src_screen.c.o
FAILED: app/scrcpy.p/src_screen.c.o 
cc -Iapp/scrcpy.p -Iapp -I../app -I../app/src -I/usr/include/x86_64-linux-gnu -I/usr/include/SDL2 -I/usr/include/libusb-1.0 -flto -fdiagnostics-color=always -DNDEBUG -pipe -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -Wextra -std=c11 -O3 -D_REENTRANT -MD -MQ app/scrcpy.p/src_screen.c.o -MF app/scrcpy.p/src_screen.c.o.d -o app/scrcpy.p/src_screen.c.o -c ../app/src/screen.c
In file included from ../app/src/screen.h:6,
                 from ../app/src/screen.c:1:
../app/src/screen.c: In function ‘sc_screen_handle_event’:
../app/src/screen.c:821:13: error: a label can only be part of a statement and a declaration is not a statement
  821 |             bool ok = sc_screen_init_size(screen);
      |             ^~~~
[49/62] Compiling C object app/scrcpy.p/src_util_str.c.o
ninja: build stopped: subcommand failed.

[ZhongRuoyu]

This should be fixed by #3787.

[JonnyTech]

This should be fixed by #3787.

That works for me - thanks @ZhongRuoyu

[theofficialgman]

@rom1v please tag a release with this patch included
current release can not be built on most systems