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Fix KWSYS_PLATFORM_INFO_TEST when user removes tree

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In commit 'Create KWSYS_PLATFORM_INFO_TEST macro' (2009-11-20) we
implemented the macro to use a cache entry to avoid re-running the
try_compile().  However, the output copied from the try_compile is
needed on every configure.  If the user wipes out the build tree but not
the cache file then the try_compile() will not re-run to recreate the
needed file.  We address the problem by teaching the macro to run the
try_compile() whenever its output file does not exist.
This commit is contained in:
Brad King 2010-02-12 10:46:50 -05:00
parent 41a608a75d
commit bf4d2f6cc7
1 changed files with 1 additions and 1 deletions

2
Source/kwsys/kwsysPlatformTests.cmake

@ -177,7 +177,7 @@ MACRO(KWSYS_PLATFORM_INFO_TEST lang var description)
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/${var}.bin) ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_FILES_DIRECTORY}/${var}.bin)
# Compile the test binary. # Compile the test binary.
IF(NOT DEFINED ${var}_COMPILED) IF(NOT EXISTS ${KWSYS_PLATFORM_INFO_FILE})
MESSAGE(STATUS "${description}") MESSAGE(STATUS "${description}")
TRY_COMPILE(${var}_COMPILED TRY_COMPILE(${var}_COMPILED
${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}