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# Getting a statically-linked cabal-install in termux
Be sure to have lots of free RAM; building the Cabal library from source takes roughly 4.5GiB at peak. Force stop apps if needed.
apt install ghc ghc-libs-static
apt install cabal-install
I assume you're currently in $HOME/ghc-cabal-build.
Check using `dpkg -L ghc-libs-static' which libraries have static libs available
Copy the .conf files for just those libraries from /data/data/com.termux/files/usr/lib/ghc-8.10.7/package.conf.d/ into a new directory in the root of this repository, called ghc-boot-pkgdb
In ghc-boot-pkgdb, run `ghc-pkg recache`
In the directory 'cbl':
cabal get resolv
cabal get cabal-install
cd resolv-0.1.2.0
patch -p1 <<EOF # this is https://raw.githubusercontent.com/termux/termux-packages/master/packages/haskell-resolv/hs_resolv.patch
--- resolv-0.1.2.0/cbits/hs_resolv.h 2001-09-09 07:16:40.000000000 +0530
+++ resolv-0.1.2.0-patch/cbits/hs_resolv.h 2022-02-03 20:54:49.602546255 +0530
@@ -84,12 +84,8 @@
{
assert(!s);
- if (!(_res.options & RES_INIT)) {
int rc = res_init();
if (rc) return rc;
- }
-
- _res.options |= RES_USE_DNSSEC | RES_USE_EDNS0;
return 0;
}
@@ -112,7 +108,7 @@
{
assert(!s);
- return res_send(msg, msglen, answer, anslen);
+ return -1;
}
inline static int
EOF
cd ..
cabal install -w "$PWD"/../ghc-shim.sh --with-hc-pkg="$PWD"/../ghc-pkg-shim.sh cabal-install
# Remove the extraneous dynamic libs that were installed, so that our system is stable again
apt remove cabal-install
apt autoremove
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