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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||
| 0007084 | CMake | CMake | public | 2008-05-23 11:36 | 2008-09-09 14:21 | ||||
| Reporter | kentwilliams | ||||||||
| Assigned To | Bill Hoffman | ||||||||
| Priority | normal | Severity | major | Reproducibility | always | ||||
| Status | closed | Resolution | won't fix | ||||||
| Platform | OS | OS Version | |||||||
| Product Version | CMake-2-6 | ||||||||
| Target Version | Fixed in Version | ||||||||
| Summary | 0007084: Re-running CMake twice on the same directory corrupts CMakeCache.txt | ||||||||
| Description | Found with a complicated batch build system. If the build directory does not exist (or if you delete the CMakeCache.txt) the build works fine. If you run CMake a second time with the same command line parameters it writes a new CMakeCache.txt file, but with incorrect values for important CMAKE variables like CMAKE_INSTALL_PREFIX Clue: The second cmake produces this error message: You have changed variables that require your cache to be deleted. Configure will be re-run and you may have to reset some variables. The following variables have changed: CMAKE_C_COMPILER= gcc CMAKE_CXX_COMPILER= g++ | ||||||||
| Additional Information | The attached tar file demonstrates the problem: Untar CMakeTestBatchBuild.tar.gz cd CMakeTestBatchBuild sh testscript | ||||||||
| Tags | No tags attached. | ||||||||
| Attached Files |  CMakeTestBatchBuild.tar.gz [^] (3,443 bytes) 2008-05-23 11:36 | ||||||||
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| Notes | |
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(0012277) Bill Hoffman (manager) 2008-06-06 11:18 |
This because CMake thinks the compilers are changing on it, and the cache is cleared, but the cache clearing clears the -D options at the same time. The fix should be to clear all, and then put back the -D option stuff. Or to not see this as a compiler change which it really isn't. But if there was a compiler change, then the -D stuff would still get cleared. |
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(0012278) Bill Hoffman (manager) 2008-06-06 11:18 |
The work around for now, is to use CC,CXX environment variables to pick the compiler and not -D. |
| Notes |
| Issue History | |||
| Date Modified | Username | Field | Change |
| 2008-05-23 11:36 | kentwilliams | New Issue | |
| 2008-05-23 11:36 | kentwilliams | File Added: CMakeTestBatchBuild.tar.gz | |
| 2008-06-06 11:18 | Bill Hoffman | Note Added: 0012277 | |
| 2008-06-06 11:18 | Bill Hoffman | Note Added: 0012278 | |
| 2008-06-06 11:19 | Bill Hoffman | Status | new => assigned |
| 2008-06-06 11:19 | Bill Hoffman | Assigned To | => Bill Hoffman |
| 2008-09-09 14:21 | Bill Hoffman | Status | assigned => closed |
| 2008-09-09 14:21 | Bill Hoffman | Resolution | open => won't fix |
| Issue History |
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