Above case was run on Window 10 (before Window 7) and produced the following messages: $ ./contrib/download_prerequisites --2021-07-30 10:57:35-- ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-2.4.2.tar.bz2 => ‘mpfr-2.4.2.tar.bz2’ Resolving gcc.gnu.org (gcc.gnu.org)... 8.43.85.97, 2620:52:3:1:0:246e:9693:128c Connecting to gcc.gnu.org (gcc.gnu.org)|8.43.85.97|:21... connected. Logging in as anonymous ... Logged in! ==> SYST ... done. ==> PWD ... done. ==> TYPE I ... done. ==> CWD (1) /pub/gcc/infrastructure ... done. ==> SIZE mpfr-2.4.2.tar.bz2 ... 1077886 ==> PASV ... done. ==> RETR mpfr-2.4.2.tar.bz2 ... done. Length: 1077886 (1.0M) (unauthoritative) mpfr-2.4.2.tar.bz2 100%[===================>] 1.03M 638KB/s in 1.6s 2021-07-30 10:57:40 (638 KB/s) - ‘mpfr-2.4.2.tar.bz2’ saved [1077886] tar (child): mpfr-2.4.2.tar.bz2: Cannot open: Permission denied tar (child): Error is not recoverable: exiting now tar: Child returned status 2 tar: Error is not recoverable: exiting now ---------- Forwarded message --------- From: Chang M. Kang <cmkang123@xxxxxxxxx> Date: Fri, Jul 30, 2021 at 10:06 AM Subject: Permission denied To: <gcc-help@xxxxxxxxxxx> I am following the example configuring and building GCC in the document. As you instructed last time, I installed wget from cygwin. I typed the next command, and got the following message: $ ./contrib/download_prerequisites -bash: ./contrib/download_prerequisites: Permission denied. Please tell me what to do next. CM Kang
