[temp] probe: musl gcc passes in termux-docker and the emulator sandbox

Author: Sunrisepeak

.github/probe/termux_docker.sh

@@ -38,7 +38,7 @@ docker run --rm --privileged --entrypoint /system/bin/sh \
 say "- pass 2 (/bin -> /system/bin) exit: ${PIPESTATUS[0]}, wall: $(( $(date +%s) - start )) s"
 
 # Pass 3: as pass 2, with the static musl gcc an Android default would use (D21).
-mkdir -p "$LOGS/pass3"; chmod 777 "$LOGS/pass3"
+mkdir -p "$LOGS/pass3"; chmod 777 "$LOGS/pass3"; echo "--toolchain gcc@15.1.0-musl" > "$LOGS/pass3/build-args"; chmod 666 "$LOGS/pass3/build-args"
 start=$(date +%s)
 docker run --rm --privileged --entrypoint /system/bin/sh \
   -v "$DL:/mnt/dl:ro" -v "$LOGS/pass3:/mnt/logs" -e PROBE_BUILD_ARGS="--toolchain gcc@15.1.0-musl" \
@@ -48,7 +48,7 @@ say "- pass 3 (/bin -> /system/bin, --toolchain gcc@15.1.0-musl) exit: ${PIPESTA
 
 say '### environment'
 say '```'
-for f in "$LOGS/container.log" "$LOGS/pass2/container.log" "$LOGS/pass3/container.log"; do echo "-- $f" >> "$S"; grep -E "^(ENV|UNAME|ID|HARDLINK|XLINGS|MCPP|STAGE|TIMING|ELF)" "$f" | head -60 >> "$S"; done
+for f in "$LOGS/container.log" "$LOGS/pass2/container.log" "$LOGS/pass3/container.log"; do echo "-- $f" >> "$S"; grep -E "^(ENV|UNAME|ID|HARDLINK|XLINGS|MCPP|STAGE|TIMING|ELF|BUILD)" "$f" | head -60 >> "$S"; done
 say '```'
 for pass in . pass2 pass3; do
 say "### first run ($pass): key lines"

.github/probe/termux_emulator.sh

@@ -53,6 +53,12 @@ run)
   timeout 3000 adb shell run-as com.termux $A/usr/bin/env $TENVB \
     PROBE_OUT=$A/probe/outB PROBE_TARBALL=$A/probe/mcpp.tar.gz PROBE_HOME=$A/homeB \
     $A/usr/bin/sh $A/probe/termux_inner.sh 2>&1 | sed 's/^/[B] /' | tee -a "$LOGS/inner.log"
+  # Session C: as B, with the static musl gcc an Android default would use (D21).
+  adb shell run-as com.termux sh -c "'mkdir -p $A/probe/outC && echo --toolchain gcc@15.1.0-musl > $A/probe/outC/build-args'"
+  TENVC="PREFIX=$A/usr HOME=$A/homeC TMPDIR=$A/usr/tmp PATH=$A/usr/bin LANG=en_US.UTF-8"
+  timeout 3000 adb shell run-as com.termux $A/usr/bin/env $TENVC \
+    PROBE_OUT=$A/probe/outC PROBE_TARBALL=$A/probe/mcpp.tar.gz PROBE_HOME=$A/homeC \
+    $A/usr/bin/sh $A/probe/termux_inner.sh 2>&1 | sed 's/^/[C] /' | tee -a "$LOGS/inner.log"
   say "- wall: $(( $(date +%s) - start )) s"
   for f in first-build.log; do
     adb shell run-as com.termux cat "$A/probe/out/$f" > "$LOGS/$f" 2>/dev/null
@@ -61,12 +67,12 @@ run)
   say '### sandbox'
   say '```'
   cat "$LOGS/sandbox.txt" >> "$S"
-  grep -E '^(\[B\] )?(ENV|UNAME|ID|HARDLINK|MCPP|TIMING|XLINGS|STAGE|ELF)' "$LOGS/inner.log" >> "$S"
+  grep -E '^(\[[BC]\] )?(ENV|UNAME|ID|HARDLINK|MCPP|TIMING|XLINGS|STAGE|ELF|BUILD)' "$LOGS/inner.log" >> "$S"
   say '```'
   say '### first run: key lines'
   say '```'
   grep -E 'First run|Resolving|Resolved|Installing|Downloading|error|warning|hint|Finished|glibc|llvm|musl|Can.t create|did not complete' \
-    "$LOGS/inner.log" | head -90 >> "$S"
+    "$LOGS/inner.log" | head -150 >> "$S"
   say '```'
   say '### plan stage timings'
   say '```'

.github/probe/termux_inner.sh

@@ -41,6 +41,8 @@ cd "$HOME/hello"
 printf '[package]\nname = "hello"\nversion = "0.1.0"\n\n[targets.hello]\nkind = "bin"\nmain = "src/main.cpp"\n' > mcpp.toml
 printf 'import std;\nint main() { std::println("hello from termux"); }\n' > src/main.cpp
 
+[ -f "$OUT/build-args" ] && PROBE_BUILD_ARGS=$(cat "$OUT/build-args")
+echo "BUILD ARGS: ${PROBE_BUILD_ARGS:-<none>}"
 echo "ELF mcpp: $(od -An -tx1 -j16 -N2 "$MCPP" | tr -d ' \n') (0200=ET_EXEC 0300=ET_DYN)"
 t0=$(date +%s)
 MCPP_LOG_LEVEL=info timeout 3600 "$MCPP" build --verbose ${PROBE_BUILD_ARGS:-} > "$OUT/first-build.log" 2>&1