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langchain - 💡(How to fix) Fix BUG: Missing targets in .PHONY declarations across libs/ Makefiles

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Several Makefiles under the libs/ directory have missing targets in their .PHONY declarations.

When a make target does not represent a physical file, it must be declared as .PHONY. Without this declaration, if a file or directory with the exact same name as the target is ever created, make will assume the target is up-to-date and fail to run the associated commands.

I have already created a PR (#37450) that fixes this issue across 20 files in the libs/ directory by explicitly adding the missing targets to the .PHONY lines. I am opening this issue to get maintainer approval so the PR can be linked and merged.

Error Message

Error Message and Stack Trace (if applicable)

Root Cause

Several Makefiles under the libs/ directory have missing targets in their .PHONY declarations.

When a make target does not represent a physical file, it must be declared as .PHONY. Without this declaration, if a file or directory with the exact same name as the target is ever created, make will assume the target is up-to-date and fail to run the associated commands.

I have already created a PR (#37450) that fixes this issue across 20 files in the libs/ directory by explicitly adding the missing targets to the .PHONY lines. I am opening this issue to get maintainer approval so the PR can be linked and merged.

Fix Action

Fix / Workaround

  • This is a bug, not a usage question.
  • I added a clear and descriptive title that summarizes this issue.
  • I used the GitHub search to find a similar question and didn't find it.
  • I am sure that this is a bug in LangChain rather than my code.
  • The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).
  • This is not related to the langchain-community package.
  • I posted a self-contained, minimal, reproducible example. A maintainer can copy it and run it AS IS.

Code Example

# This is a Makefile structure issue, not Python code. 
# If a target (e.g., `format`, `lint`, or `test`) is missing from the .PHONY declaration, 
# and a directory or file with that exact name exists in the same directory, 
# running `make <target>` will fail with:
# "make: '<target>' is up to date." instead of executing the command.

---
RAW_BUFFERClick to expand / collapse

Submission checklist

  • This is a bug, not a usage question.
  • I added a clear and descriptive title that summarizes this issue.
  • I used the GitHub search to find a similar question and didn't find it.
  • I am sure that this is a bug in LangChain rather than my code.
  • The bug is not resolved by updating to the latest stable version of LangChain (or the specific integration package).
  • This is not related to the langchain-community package.
  • I posted a self-contained, minimal, reproducible example. A maintainer can copy it and run it AS IS.

Package (Required)

  • langchain
  • langchain-openai
  • langchain-anthropic
  • langchain-classic
  • langchain-core
  • langchain-model-profiles
  • langchain-tests
  • langchain-text-splitters
  • langchain-chroma
  • langchain-deepseek
  • langchain-exa
  • langchain-fireworks
  • langchain-groq
  • langchain-huggingface
  • langchain-mistralai
  • langchain-nomic
  • langchain-ollama
  • langchain-openrouter
  • langchain-perplexity
  • langchain-qdrant
  • langchain-xai
  • Other / not sure / general

Related Issues / PRs

Related PR: #37450

Reproduction Steps / Example Code (Python)

# This is a Makefile structure issue, not Python code. 
# If a target (e.g., `format`, `lint`, or `test`) is missing from the .PHONY declaration, 
# and a directory or file with that exact name exists in the same directory, 
# running `make <target>` will fail with:
# "make: '<target>' is up to date." instead of executing the command.

Error Message and Stack Trace (if applicable)

Description

Several Makefiles under the libs/ directory have missing targets in their .PHONY declarations.

When a make target does not represent a physical file, it must be declared as .PHONY. Without this declaration, if a file or directory with the exact same name as the target is ever created, make will assume the target is up-to-date and fail to run the associated commands.

I have already created a PR (#37450) that fixes this issue across 20 files in the libs/ directory by explicitly adding the missing targets to the .PHONY lines. I am opening this issue to get maintainer approval so the PR can be linked and merged.

System Info

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