在Cygwin下使用Makefile编译C++程序时缺失文件问题求助

Hey, let's sort out this DLL issue with your mmsp project executable. The root problem here is that your EXE was built using the Cygwin toolchain, which depends on the full Cygwin runtime environment—manually downloading and adding individual DLLs is a messy, error-prone approach (especially since you're already hitting roadblocks even after adding cygwin1.dll). Here are three reliable solutions:

1. Run the EXE directly in a Cygwin Terminal #

This is the quickest fix, since the Cygwin terminal automatically loads all required runtime libraries and environment variables:

• Launch your Cygwin terminal (not Windows Command Prompt or PowerShell)
• Navigate to the directory where your EXE is located using cd /path/to/your/exe/folder
• Run the program with ./your-program-name.exe—it should work without any missing DLL errors.

2. Compile a Native Windows EXE (No Cygwin Dependencies) #

If you want an EXE that runs natively on Windows without needing Cygwin, switch to using the MinGW toolchain (which you can install via Cygwin's package manager):

• First, open Cygwin's setup.exe and install the mingw64-x86_64-gcc (for 64-bit) or mingw32-i686-gcc (for 32-bit) package
• Edit your project's Makefile to replace the default gcc compiler with the MinGW equivalent, e.g., x86_64-w64-mingw32-gcc
• Clean and recompile with make clean && make—the resulting EXE will be a native Windows binary that doesn't rely on Cygwin DLLs.

3. Package Required Cygwin DLLs with Your EXE #

If you need to keep the Cygwin-compiled version but want it to run outside the Cygwin terminal, use Cygwin's built-in tool to gather all dependencies:

• Open a Cygwin terminal and run cygcheck -l your-program-name.exe—this will list every Cygwin file your EXE needs
• Copy all these files (including cygwin1.dll and other dependent DLLs) into the same folder as your EXE
• Now you can run the EXE from Windows Command Prompt or File Explorer without modifying system environment variables.

Quick note: The missing DLLs Dependency Walker flagged are almost all part of the Cygwin runtime. Manually downloading them is risky because version mismatches between DLLs will cause more errors—these solutions address the problem at the source instead of patching it.

内容的提问来源于stack exchange，提问作者Jaime FH