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Download the GCC artifacts from the HTTP server instead of FTP server.

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The former seems much more stable, in case the cache becomes invalidated.
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kennytm 2018-03-22 02:29:01 +08:00
parent c19264fa83
commit 78bcbb0f96
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17
src/ci/docker/dist-i686-linux/build-gcc.sh
View File

@ -17,6 +17,23 @@ GCC=4.8.5
curl https://ftp.gnu.org/gnu/gcc/gcc-$GCC/gcc-$GCC.tar.bz2 | tar xjf -
cd gcc-$GCC
# FIXME(#49246): Remove the `sed` below.
#
# On 2018 March 21st, two Travis builders' cache for Docker are suddenly invalidated. Normally this
# is fine, because we just need to rebuild the Docker image. However, it reveals a network issue:
# downloading from `ftp://gcc.gnu.org/` from Travis (using passive mode) often leads to "Connection
# timed out" error, and even when the download completed, the file is usually corrupted. This causes
# nothing to be landed that day.
#
# We observed that the `gcc-4.8.5.tar.bz2` above can be downloaded successfully, so as a stability
# improvement we try to download from the HTTPS mirror instead. Turns out this uncovered the third
# bug: the host `gcc.gnu.org` and `cygwin.com` share the same IP, and the TLS certificate of the
# latter host is presented to `wget`! Therefore, we choose to download from the insecure HTTP server
# instead here.
#
sed -i'' 's|ftp://gcc\.gnu\.org/|http://gcc.gnu.org/|g' ./contrib/download_prerequisites
./contrib/download_prerequisites
mkdir ../gcc-build
cd ../gcc-build

17
src/ci/docker/dist-x86_64-linux/build-gcc.sh
View File

@ -17,6 +17,23 @@ GCC=4.8.5
curl https://ftp.gnu.org/gnu/gcc/gcc-$GCC/gcc-$GCC.tar.bz2 | tar xjf -
cd gcc-$GCC
# FIXME(#49246): Remove the `sed` below.
#
# On 2018 March 21st, two Travis builders' cache for Docker are suddenly invalidated. Normally this
# is fine, because we just need to rebuild the Docker image. However, it reveals a network issue:
# downloading from `ftp://gcc.gnu.org/` from Travis (using passive mode) often leads to "Connection
# timed out" error, and even when the download completed, the file is usually corrupted. This causes
# nothing to be landed that day.
#
# We observed that the `gcc-4.8.5.tar.bz2` above can be downloaded successfully, so as a stability
# improvement we try to download from the HTTPS mirror instead. Turns out this uncovered the third
# bug: the host `gcc.gnu.org` and `cygwin.com` share the same IP, and the TLS certificate of the
# latter host is presented to `wget`! Therefore, we choose to download from the insecure HTTP server
# instead here.
#
sed -i'' 's|ftp://gcc\.gnu\.org/|http://gcc.gnu.org/|g' ./contrib/download_prerequisites
./contrib/download_prerequisites
mkdir ../gcc-build
cd ../gcc-build