diff options
| author | Chris Robinson <[email protected]> | 2009-05-31 11:34:07 -0700 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2009-05-31 11:34:07 -0700 |
| commit | 7940003d0624d76e798523577d3d97cf99b73c83 (patch) | |
| tree | 1793ffbd867da33728f5df7855b6eeccacb1e912 /CMakeLists.txt | |
| parent | 45b16ff4561aea91e462035c5e6349db38b35bf2 (diff) | |
Set an error if NaN is given for panning values
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index b9c51917..af68accb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -10,6 +10,7 @@ INCLUDE(CheckFunctionExists) INCLUDE(CheckLibraryExists) INCLUDE(CheckIncludeFile) INCLUDE(CheckIncludeFiles) +INCLUDE(CheckSymbolExists) INCLUDE(CheckCCompilerFlag) INCLUDE(CheckCSourceCompiles) INCLUDE(CheckTypeSize) @@ -167,6 +168,17 @@ IF(NOT HAVE_SNPRINTF) ADD_DEFINITIONS(-Dsnprintf=_snprintf) ENDIF() +CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN) +IF(NOT HAVE_ISNAN) + CHECK_FUNCTION_EXISTS(_isnan HAVE__ISNAN) + IF(NOT HAVE__ISNAN) + MESSAGE(FATAL_ERROR "No isnan function found, please report!") + ENDIF() + + ADD_DEFINITIONS(-Disnan=_isnan) +ENDIF() + + # Check for the dlopen API (for dynamicly loading backend libs) IF(DLOPEN) CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H) |