57647cac62
gcc returns non zero code if an option is not supported (tested from 6.5 to 10.2). $ gcc -Wfoobar -E -xc - -o /dev/null < /dev/null > /dev/null 2>&1 ; echo $? 1 clang always return 0 if an option in not recognized unless -Werror is also passed, preventing a correct probing of options supported by the compiler (tested with clang 6.0.1 to 11.1.0). $ clang -Wfoobar -E -xc - -o /dev/null < /dev/null > /dev/null 2>&1 ; echo $? 0 $ clang -Werror -Wfoobar -E -xc - -o /dev/null < /dev/null > /dev/null 2>&1 ; echo $? 1 Please note today this is not visible since clang 11 exit with SIGABRT or with return code 1 on older version due to bad file descriptor from file descriptor handling $ clang -Wfoobar -E -xc - -o /dev/null < /dev/null 2>&0 ; echo $? Aborted (core dumped) 134 $ clang -Wfoobar -E -xc - -o /dev/null < /dev/null ; echo $? warning: unknown warning option '-Wfoobar'; did you mean '-Wformat'? [-Wunknown-warning-option] 1 warning generated. 0 $ clang-11 -Werror -Wfoobar -E -xc - -o /dev/null < /dev/null ; echo $? error: unknown warning option '-Wfoobar'; did you mean '-Wformat'? [-Werror,-Wunknown-warning-option] 1 This specific issue is being tracked with clang upstream in https://bugs.llvm.org/show_bug.cgi?id=49463 |
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| .github | ||
| contrib | ||
| doc | ||
| examples | ||
| include | ||
| reg-tests | ||
| scripts | ||
| src | ||
| tests | ||
| .cirrus.yml | ||
| .gitattributes | ||
| .gitignore | ||
| .travis.yml | ||
| BRANCHES | ||
| CHANGELOG | ||
| CONTRIBUTING | ||
| INSTALL | ||
| LICENSE | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
| ROADMAP | ||
| SUBVERS | ||
| VERDATE | ||
| VERSION | ||
README
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)