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-rw-r--r--src/main/native/windows/build_windows_jni.sh8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/main/native/windows/build_windows_jni.sh b/src/main/native/windows/build_windows_jni.sh
index ad52518ea2..60b8b2ff2d 100644
--- a/src/main/native/windows/build_windows_jni.sh
+++ b/src/main/native/windows/build_windows_jni.sh
@@ -94,10 +94,16 @@ cp -f "$JAVAINCLUDES/win32/jni_md.h" "$JNI_HEADERS_DIR/"
# CL.EXE needs a bunch of environment variables whose official location is a
# batch file. We can't make that have an effect on a bash instance, so
# generate a batch file that invokes it.
+# As for `abs_pwd` and `pwd_drive`: in cmd.exe, it's not enough to `cd` into a
+# directory. You must also change to its drive to truly set the cwd to that
+# directory. See https://github.com/bazelbuild/bazel/issues/3906
+abs_pwd="$(cygpath -a -w "${PWD}")"
+pwd_drive="$(echo "$abs_pwd" | head -c2)"
cat > "${VSTEMP}/windows_jni.bat" <<EOF
@echo OFF
@call "${VSVARS}" amd64
-@cd $(cygpath -a -w "${PWD}")
+@$pwd_drive
+@cd "$abs_pwd"
@set TMP=$(cygpath -a -w "${VSTEMP}")
@CL /O2 /EHsc /LD /Fe:"$(cygpath -a -w ${DLL})" /I "%TMP%" /I . ${WINDOWS_SOURCES[*]}
EOF