From 17171065b11720edadc4742efba15ad900a4e1cd Mon Sep 17 00:00:00 2001
From: abdul124 <ar@m-labs.hk>
Date: Mon, 29 Jul 2024 17:25:52 +0800
Subject: [PATCH] standalone: link linalg at runtime

---
 nac3standalone/demo/run_demo.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/nac3standalone/demo/run_demo.sh b/nac3standalone/demo/run_demo.sh
index b9e25d853..6654e61cb 100755
--- a/nac3standalone/demo/run_demo.sh
+++ b/nac3standalone/demo/run_demo.sh
@@ -42,11 +42,14 @@ done
 
 if [ -n "$debug" ] && [ -e ../../target/debug/nac3standalone ]; then
     nac3standalone=../../target/debug/nac3standalone
+    linalg=../../target/debug/deps/liblinalg-?*.a
 elif [ -e ../../target/release/nac3standalone ]; then
     nac3standalone=../../target/release/nac3standalone
+    linalg=../../target/release/deps/liblinalg-?*.a
 else
     # used by Nix builds
     nac3standalone=../../target/x86_64-unknown-linux-gnu/release/nac3standalone
+    linalg=../../target/x86_64-unknown-linux-gnu/release/deps/liblinalg-?*.a
 fi
 
 rm -f ./*.o ./*.bc demo
@@ -55,14 +58,18 @@ if [ -z "$i386" ]; then
   $nac3standalone "${nac3args[@]}"
 
   clang -c -std=gnu11 -Wall -Wextra -O3 -o demo.o demo.c
-  clang -lm -Wl,--no-warn-search-mismatch -o demo module.o demo.o
+  clang -lm -Wl,--no-warn-search-mismatch -o demo module.o demo.o $linalg
 else
    # Enable SSE2 to avoid rounding errors with X87's 80-bit fp precision computations
 
    $nac3standalone --triple i386-pc-linux-gnu --target-features +sse2 "${nac3args[@]}"
+   
+   # Compile linalg crate to provide functions compatible with i386 architecture
+   cd linalg && nix-shell -p rustup --command "RUSTFLAGS=\"-C target-cpu=i386 -C target-feature=+sse2\" cargo build -q --release --target=i686-unknown-linux-gnu" && cd ..
 
+   linalg=../../target/i686-unknown-linux-gnu/release/liblinalg.a
    clang -m32 -c -std=gnu11 -Wall -Wextra -O3 -msse2 -o demo.o demo.c
-   clang -m32 -lm -Wl,--no-warn-search-mismatch -o demo module.o demo.o
+   clang -m32 -lm -Wl,--no-warn-search-mismatch -o demo module.o demo.o $linalg
 fi
 
 if [ -z "$outfile" ]; then