Merge topic 'doc-try_compile-debug-advice'

abbe91c5 Help: Clarify --debug-trycompile usage with try_compile
This commit is contained in:
Brad King 2014-09-04 09:48:30 -04:00 committed by CMake Topic Stage
commit 0ad4f28fc0
1 changed files with 4 additions and 3 deletions

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@ -36,9 +36,10 @@ cleaned automatically. For debugging, --debug-trycompile can be
passed to cmake to avoid this clean. However, multiple sequential passed to cmake to avoid this clean. However, multiple sequential
try_compile operations reuse this single output directory. If you use try_compile operations reuse this single output directory. If you use
--debug-trycompile, you can only debug one try_compile call at a time. --debug-trycompile, you can only debug one try_compile call at a time.
The recommended procedure is to configure with cmake all the way The recommended procedure is to protect all try_compile calls in your
through once, then delete the cache entry associated with the project by ``if(NOT DEFINED RESULT_VAR)`` logic, configure with cmake
try_compile call of interest, and then re-run cmake again with all the way through once, then delete the cache entry associated with
the try_compile call of interest, and then re-run cmake again with
--debug-trycompile. --debug-trycompile.
Some extra flags that can be included are, INCLUDE_DIRECTORIES, Some extra flags that can be included are, INCLUDE_DIRECTORIES,