Error building network package with cabal in windows 7 using n jobs

• os: windows 7
• console mingw64 installed with ghcup (but the same error is throwed using dos or powershell instead bash)
• cabal, msys2, ghc installed with ghcup
• motivation: build network to reproduce https://github.com/haskell/cabal/issues/7494

user@computer MINGW64 /d/ws/haskell/issues
# cabal get network

user@computer MINGW64 /d/ws/haskell/issues
# cd network-3.1.2.2/

user@computer MINGW64 /d/ws/haskell/issues/network-3.1.2.2
# cabal build -v
this build was affected by the following (project) config files:
Build profile: -w ghc-8.10.5 -O1
In order, the following will be built:
 - hsc2hs-0.68.7 (exe:hsc2hs) (requires build)
 - network-3.1.2.2 (lib:network) (first run)
creating D:\ws\haskell\issues\network-3.1.2.2\dist-newstyle\build
creating D:\ws\haskell\issues\network-3.1.2.2\dist-newstyle\tmp
Extracting
D:\cabal\packages\hackage.haskell.org\hsc2hs\0.68.7\hsc2hs-0.68.7.tar.gz to
D:\ws\haskell\issues\network-3.1.2.2\dist-newstyle\tmp\src-13172...
Updating hsc2hs.cabal with the latest revision from the index.
creating
D:\ws\haskell\issues\network-3.1.2.2\dist-newstyle\tmp\src-13172\hsc2hs-0.68.7\dist
Starting     hsc2hs-0.68.7 (exe:hsc2hs)
Using self-exec internal setup method with build-type Simple and args:
["act-as-setup","--build-type=Simple","--","configure","--verbose=2","--builddir=dist","--ghc","--prefix=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761","--bindir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\bin","--libdir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\lib","--libsubdir=","--dynlibdir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\lib","--libexecdir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\libexec","--libexecsubdir=","--datadir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\share","--datasubdir=","--docdir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\share\\doc","--htmldir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\share\\doc\\html","--haddockdir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\share\\doc\\html","--sysconfdir=D:\\csd\\ghc-8.10.5\\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\\etc","--enable-library-vanilla","--disable-library-profiling","--disable-shared","--disable-static","--disable-executable-dynamic","--disable-executable-static","--disable-profiling","--profiling-detail=default","--library-profiling-detail=default","--enable-optimization","--disable-debug-info","--disable-library-for-ghci","--disable-split-sections","--disable-split-objs","--disable-executable-stripping","--disable-library-stripping","--package-db=clear","--package-db=global","--package-db=D:\\csd\\ghc-8.10.5\\package.db","--flags=-in-ghc-tree","--extra-include-dirs=D:\\ghcup\\msys64\\mingw64\\include","--cid=hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761","--extra-lib-dirs=D:\\ghcup\\msys64\\mingw64\\lib","--extra-prog-path=D:\\ghcup\\bin","--extra-prog-path=D:\\ghcup\\msys64\\home\\user\\AppData\\Roaming\\cabal\\bin","--extra-prog-path=D:\\ghcup\\msys64\\usr\\bin","--extra-prog-path=D:\\ghcup\\msys64\\mingw64\\bin","--dependency=base=base-4.14.2.0","--dependency=containers=containers-0.6.4.1","--dependency=directory=directory-1.3.6.0","--dependency=filepath=filepath-1.4.2.1","--dependency=process=process-1.6.9.0","--disable-coverage","--exact-configuration","--with-ghc=D:\\ghcup\\bin\\ghc.exe","--with-ghc-pkg=D:\\ghcup\\bin\\ghc-pkg.exe","--ghc-option=-hide-all-packages","exe:hsc2hs"]
D:\ghcup\bin\cabal-3.4.0.0.exe act-as-setup --build-type=Simple -- configure
--verbose=2 --builddir=dist --ghc
--prefix=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761
--bindir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\bin
--libdir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\lib
--libsubdir=
--dynlibdir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\lib
--libexecdir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\libexec
--libexecsubdir=
--datadir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\share
--datasubdir=
--docdir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\share\doc
--htmldir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\share\doc\html
--haddockdir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\share\doc\html
--sysconfdir=D:\csd\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761\etc
--enable-library-vanilla --disable-library-profiling --disable-shared
--disable-static --disable-executable-dynamic --disable-executable-static
--disable-profiling --profiling-detail=default
--library-profiling-detail=default --enable-optimization --disable-debug-info
--disable-library-for-ghci --disable-split-sections --disable-split-objs
--disable-executable-stripping --disable-library-stripping --package-db=clear
--package-db=global --package-db=D:\csd\ghc-8.10.5\package.db
--flags=-in-ghc-tree --extra-include-dirs=D:\ghcup\msys64\mingw64\include
--cid=hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761
--extra-lib-dirs=D:\ghcup\msys64\mingw64\lib --extra-prog-path=D:\ghcup\bin
--extra-prog-path=D:\ghcup\msys64\home\user\AppData\Roaming\cabal\bin
--extra-prog-path=D:\ghcup\msys64\usr\bin
--extra-prog-path=D:\ghcup\msys64\mingw64\bin --dependency=base=base-4.14.2.0
--dependency=containers=containers-0.6.4.1
--dependency=directory=directory-1.3.6.0
--dependency=filepath=filepath-1.4.2.1 --dependency=process=process-1.6.9.0
--disable-coverage --exact-configuration --with-ghc=D:\ghcup\bin\ghc.exe
--with-ghc-pkg=D:\ghcup\bin\ghc-pkg.exe --ghc-option=-hide-all-packages
exe:hsc2hs
Redirecting build log to {handle:
D:\cabal\logs\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761.log}

# The build hangs at this point and you have to kill it with ctrl-c

user@computer MINGW64 /d/ws/haskell/issues/network-3.1.2.2
# cat "D:\cabal\logs\ghc-8.10.5\hsc2hs-0.68.7-0601b25968db3072cdb71fc19b4b150680177761.log"
Using Parsec parser
Configuring executable 'hsc2hs' for hsc2hs-0.68.7..
Warning: cannot determine version of D:\ghcup\bin\ghc.exe :
""
cabal-3.4.0.0.exe: The program 'ghc' version >=7.0.1 is required but the
version of D:\ghcup\bin\ghc.exe could not be determined.

user@computer MINGW64 /d/ws/haskell/issues/network-3.1.2.2
# "D:\ghcup\bin\ghc.exe" --numeric-version
8.10.5

It seems the shims exes still has some problem??

EDIT: cabal build -j1 works so some issue with concurrent access to shims is involved