View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0001974 | OpenFOAM | Bug | public | 2016-01-18 19:28 | 2016-01-18 19:46 |
| Reporter | projectionist | Assigned To | henry | ||
| Priority | normal | Severity | minor | Reproducibility | always |
| Status | resolved | Resolution | fixed | ||
| Platform | Linux | OS | Arch Linux | OS Version | 4.3.3-2-ARCH |
| Product Version | dev | ||||
| Summary | 0001974: OpenFOAM fails to compile on Arch Linux due to flex-2.6 | ||||
| Description | A check for the version of flex, probably introduced to resolve issue #224, causes an OpenFOAM compilation to fail. | ||||
| Steps To Reproduce | The code in question: #if YY_FLEX_SUBMINOR_VERSION < 34 extern "C" int yywrap() #else int yyFlexLexer::yywrap() #endif { return 1; } The command find . -type f | xargs grep '#if YY_FLEX_SUBMINOR_VERSION < 34' | wc shows that 14 files are affected. | ||||
| Additional Information | Changing the check to #if YY_FLEX_SUBMINOR_VERSION < 34 && YY_FLEX_MINOR_VERSION < 6 allows a minimal example on my system to compile correctly. Attached is a minimal example. Extract and run the following commands: flex test.ll g++ -c lex.yy.cc g++ -o test test.c lex.yy.o ./test echo $? It should compile, and the last command should return 42. | ||||
| Tags | No tags attached. | ||||
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This issue with flex-2.6 was also reported in: http://www.cfd-online.com/Forums/openfoam-installation/163986-building-openfoam-3-0-archlinux.html http://www.cfd-online.com/Forums/openfoam-installation/164682-installation-issues-flex-2-6-0-inelegant-solution.html |
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Thanks for the report and proposed fix. Resolved by commit a4eabffbacfa8e4648f044e3d4c2a74d722a2b47 |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2016-01-18 19:28 | projectionist | New Issue | |
| 2016-01-18 19:28 | projectionist | File Added: flexTest.tar.gz | |
| 2016-01-18 19:31 | projectionist | Note Added: 0005854 | |
| 2016-01-18 19:46 | henry | Note Added: 0005855 | |
| 2016-01-18 19:46 | henry | Status | new => resolved |
| 2016-01-18 19:46 | henry | Resolution | open => fixed |
| 2016-01-18 19:46 | henry | Assigned To | => henry |
