141 lines
5.0 KiB
Bash
Executable File
141 lines
5.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Minimal VC6 link-frontier probe for the Windows 9x port.
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#
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# This is deliberately smaller than CPython's full PCbuild/pythoncore.vcxproj:
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# it compiles only the translation units already proven by the core compile
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# probes plus the tiny Programs/python.c executable entry point, then invokes
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# LINK.EXE under Wine. A successful executable link is not expected yet; the
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# purpose of this milestone is to verify that the build can get past CL.EXE
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# for the current frontier and reach a real VC6 linker diagnostic with a
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# reproducible command line.
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#
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# The MSVC600 bundle is an external, local-only prerequisite; nothing under
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# MSVC600/ is part of this project's source.
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#
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# Usage:
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# scripts/vc6-probe-minlink.sh
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#
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# Environment:
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# MSVC600_ROOT override the MSVC600 location (default: <repo>/MSVC600)
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# WINEPREFIX override the Wine prefix (default: ~/.wine-win9xport)
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set -u
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REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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# Reuse winpath()/strip_prefix() from vc6-probe.sh instead of duplicating
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# them; sourcing it does not run the probe itself (see its own guard).
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# shellcheck source=scripts/vc6-probe.sh
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source "$REPO_ROOT/scripts/vc6-probe.sh"
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run_probe_minlink() {
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MSVC600_ROOT="${MSVC600_ROOT:-$REPO_ROOT/MSVC600}"
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BUILD_DIR="$REPO_ROOT/build/vc6-probe-minlink"
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CL="$MSVC600_ROOT/VC98/Bin/CL.EXE"
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LINK="$MSVC600_ROOT/VC98/Bin/LINK.EXE"
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VCVARS="$MSVC600_ROOT/VC98/Bin/VCVARS32.BAT"
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# Keep this list intentionally tiny and aligned with the post-core-probe
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# milestone: python.vcxproj's single executable TU plus the three core TUs
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# that are currently known to compile under scripts/vc6-probe-core.sh.
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SOURCES=(
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"cpython/Programs/python.c"
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"cpython/Modules/main.c"
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"cpython/Python/pylifecycle.c"
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"cpython/Python/pystate.c"
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)
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for required in "$CL" "$LINK" "$VCVARS" "$MSVC600_ROOT/VC98/Include" \
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"$MSVC600_ROOT/VC98/Lib" "$MSVC600_ROOT/Common/MSDev98/Bin"; do
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if [ ! -e "$required" ]; then
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echo "vc6-probe-minlink: missing prerequisite: $required" >&2
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return 2
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fi
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done
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local source_rel
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for source_rel in "${SOURCES[@]}"; do
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if [ ! -e "$REPO_ROOT/$source_rel" ]; then
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echo "vc6-probe-minlink: missing source: $REPO_ROOT/$source_rel" >&2
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return 2
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fi
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done
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if ! command -v wine >/dev/null 2>&1; then
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echo "vc6-probe-minlink: wine is not installed" >&2
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return 2
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fi
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export WINEPREFIX="${WINEPREFIX:-$HOME/.wine-win9xport}"
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export WINEDEBUG="${WINEDEBUG:--all}"
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# CL.EXE loads C1/C2 from VC98/Bin and MSPDB60.DLL from Common/MSDev98/Bin;
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# LINK.EXE also needs the VC98 tools and default libraries.
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export WINEPATH="$(winpath "$MSVC600_ROOT/VC98/Bin");$(winpath "$MSVC600_ROOT/Common/MSDev98/Bin")"
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rm -rf "$BUILD_DIR"
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mkdir -p "$BUILD_DIR"
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INCLUDE_ARGS=(
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"$(winpath "$REPO_ROOT/compat/msvc600")"
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"$(winpath "$REPO_ROOT/cpython/Include/internal")"
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"$(winpath "$REPO_ROOT/cpython/Include")"
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"$(winpath "$REPO_ROOT/cpython/PC")"
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"$(winpath "$MSVC600_ROOT/VC98/Include")"
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)
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echo "== MSVC600 minimal link-frontier probe =="
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echo "sources:"
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for source_rel in "${SOURCES[@]}"; do
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echo " - $source_rel"
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done
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echo "prefix : $WINEPREFIX"
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echo
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local obj_args=""
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local source_abs obj_name obj_abs cmd status
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for source_rel in "${SOURCES[@]}"; do
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source_abs="$REPO_ROOT/$source_rel"
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obj_name="${source_rel#cpython/}"
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obj_name="${obj_name//\//_}"
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obj_name="${obj_name%.c}.obj"
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obj_abs="$BUILD_DIR/$obj_name"
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obj_args+=" $(winpath "$obj_abs")"
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cmd="call $(winpath "$VCVARS") && cd /d $(winpath "$REPO_ROOT/cpython") && cl /nologo /D Py_BUILD_CORE /D Py_BUILD_CORE_BUILTIN /D Py_ENABLE_SHARED /D _USRDLL"
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for include_arg in "${INCLUDE_ARGS[@]}"; do
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cmd+=" /I $include_arg"
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done
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cmd+=" /c $(winpath "$source_abs") /Fo$(winpath "$obj_abs")"
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wine cmd /c "$cmd" 2>&1 |
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grep -v '^[0-9a-f]\{4\}:err:' |
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strip_prefix "$(winpath "$REPO_ROOT")\\"
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status="${PIPESTATUS[0]}"
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if [ "$status" -ne 0 ]; then
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echo
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echo "== cl.exe exit status: $status =="
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echo "vc6-probe-minlink: compile failed before link at $source_rel" >&2
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return "$status"
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fi
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done
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echo
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echo "== LINK.EXE attempt =="
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cmd="call $(winpath "$VCVARS") && cd /d $(winpath "$REPO_ROOT/cpython") && link /nologo /subsystem:console /out:$(winpath "$BUILD_DIR/python-min.exe") /libpath:$(winpath "$MSVC600_ROOT/VC98/Lib")$obj_args kernel32.lib user32.lib advapi32.lib shell32.lib version.lib ws2_32.lib"
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wine cmd /c "$cmd" 2>&1 |
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grep -v '^[0-9a-f]\{4\}:err:' |
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strip_prefix "$(winpath "$REPO_ROOT")\\"
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status="${PIPESTATUS[0]}"
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echo
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echo "== link.exe exit status: $status =="
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return "$status"
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}
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if [ "${BASH_SOURCE[0]}" = "${0}" ]; then
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run_probe_minlink "$@"
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exit "$?"
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fi
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