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Diffstat (limited to 'Modules/CheckCSourceRuns.cmake')
| -rw-r--r-- | Modules/CheckCSourceRuns.cmake | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Modules/CheckCSourceRuns.cmake b/Modules/CheckCSourceRuns.cmake index a4fa57e..0ce423c 100644 --- a/Modules/CheckCSourceRuns.cmake +++ b/Modules/CheckCSourceRuns.cmake @@ -11,6 +11,7 @@ # <code> - source code to try to compile # <var> - variable to store the result # (1 for success, empty for failure) +# Will be created as an internal cache variable. # # The following variables may be set before calling this macro to modify # the way the check is run: @@ -39,7 +40,7 @@ macro(CHECK_C_SOURCE_RUNS SOURCE VAR) - if("${VAR}" MATCHES "^${VAR}$") + if(NOT DEFINED "${VAR}") set(MACRO_CHECK_FUNCTION_DEFINITIONS "-D${VAR} ${CMAKE_REQUIRED_FLAGS}") if(CMAKE_REQUIRED_LIBRARIES) |