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CMake: Clarify the --debug-trycompile help text

This commit is contained in:
David Cole 2011-04-12 16:21:54 -04:00
parent 8997dc935c
commit 7f6f6060c3
2 changed files with 13 additions and 6 deletions
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16
Source/cmTryCompileCommand.h
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@ -77,14 +77,20 @@ public:
"Specify COPY_FILE to get a copy of the linked executable at the " "Specify COPY_FILE to get a copy of the linked executable at the "
"given fileName." "given fileName."
"\n" "\n"
"In this version all files in bindir/CMakeFiles/CMakeTmp, " "In this version all files in bindir/CMakeFiles/CMakeTmp "
"will be cleaned automatically, for debugging a --debug-trycompile can " "will be cleaned automatically. For debugging, --debug-trycompile can "
"be passed to cmake to avoid the clean. Some extra flags that " "be passed to cmake to avoid this clean. However, multiple sequential "
" can be included are, " "try_compile operations reuse this single output directory. If you "
"use --debug-trycompile, you can only debug one try_compile call at a "
"time. The recommended procedure is to configure with cmake 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."
"\n"
"Some extra flags that can be included are, "
"INCLUDE_DIRECTORIES, LINK_DIRECTORIES, and LINK_LIBRARIES. " "INCLUDE_DIRECTORIES, LINK_DIRECTORIES, and LINK_LIBRARIES. "
"COMPILE_DEFINITIONS are -Ddefinition that will be passed to the " "COMPILE_DEFINITIONS are -Ddefinition that will be passed to the "
"compile line. " "compile line. "
"try_compile creates a CMakeList.txt " "try_compile creates a CMakeList.txt "
"file on the fly that looks like this:\n" "file on the fly that looks like this:\n"
" add_definitions( <expanded COMPILE_DEFINITIONS from calling " " add_definitions( <expanded COMPILE_DEFINITIONS from calling "

3
Source/cmakemain.cxx
View File

@ -109,7 +109,8 @@ static const char * cmDocumentationOptions[][3] =
"Dump a wide range of information about the current system. If run " "Dump a wide range of information about the current system. If run "
"from the top of a binary tree for a CMake project it will dump " "from the top of a binary tree for a CMake project it will dump "
"additional information such as the cache, log files etc."}, "additional information such as the cache, log files etc."},
{"--debug-trycompile", "Do not delete the try compile directories..", {"--debug-trycompile", "Do not delete the try_compile build tree. Only "
"useful on one try_compile at a time.",
"Do not delete the files and directories created for try_compile calls. " "Do not delete the files and directories created for try_compile calls. "
"This is useful in debugging failed try_compiles. It may however " "This is useful in debugging failed try_compiles. It may however "
"change the results of the try-compiles as old junk from a previous " "change the results of the try-compiles as old junk from a previous "