Bug#990199: gcc: Icorrect warning report "implicit declaration of function ‘popen’"
Package: gcc
Version: 4:10.2.1-1
Severity: normal
X-Debbugs-Cc: rick@scotsgeek.com
Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate ***
* What led up to the situation?
#include <stdio.h>
int main(void)
{
popen("ls -la", "r");
return 0;
}
-std=c89, c90, compiles cleanly
-std=c99, c11, c18 compiles but reports:
* What exactly did you do (or not do) that was effective (or
ineffective)?
change of -std option causes or prevents this warning
* What was the outcome of this action?
* What outcome did you expect instead?
No warning should be reported with any -std option. declaration found in stdio.h, and function linked
*** End of the template - remove these template lines ***
-- System Information:
Debian Release: 11.0
APT prefers testing-security
APT policy: (500, 'testing-security'), (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 5.10.0-7-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages gcc depends on:
ii cpp 4:10.2.1-1
ii gcc-10 10.2.1-6
Versions of packages gcc recommends:
ii libc6-dev [libc-dev] 2.31-12
Versions of packages gcc suggests:
pn autoconf <none>
pn automake <none>
pn bison <none>
pn flex <none>
pn gcc-doc <none>
pn gcc-multilib <none>
ii gdb-minimal [gdb] 10.1-1.7
pn libtool <none>
ii make 4.3-4.1
ii manpages-dev 5.10-1
-- no debconf information
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