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authorAndy Cedilnik <andy.cedilnik@kitware.com>2002-09-20 13:16:50 -0400
committerAndy Cedilnik <andy.cedilnik@kitware.com>2002-09-20 13:16:50 -0400
commit76e9af1575cf264e5af6e825c0af4da80be0b3e2 (patch)
tree549c8f2870f8403b788c676657aeb114ea7027cc /Modules/CheckFunctionExists.cmake
parent157e2b4ac3a067107561d4ccc2b08ea3555cce44 (diff)
downloadcmake-76e9af1575cf264e5af6e825c0af4da80be0b3e2.tar.gz
Add two commonly used modules. First one checks if the function exists, the second one checks the size of type
Diffstat (limited to 'Modules/CheckFunctionExists.cmake')
-rw-r--r--Modules/CheckFunctionExists.cmake22
1 files changed, 22 insertions, 0 deletions
diff --git a/Modules/CheckFunctionExists.cmake b/Modules/CheckFunctionExists.cmake
new file mode 100644
index 0000000000..690c17e499
--- /dev/null
+++ b/Modules/CheckFunctionExists.cmake
@@ -0,0 +1,22 @@
+#
+# Check if the type exists and determine size of type. if the type
+# exists, the size will be stored to the variable.
+#
+# CHECK_TYPE_SIZE - macro which checks the size of type
+# VARIABLE - variable to store size if the type exists.
+#
+
+MACRO(CHECK_FUNCTION_EXISTS FUNCTION VARIABLE)
+ TRY_COMPILE(COMPILE_OK
+ ${PROJECT_BINARY_DIR}
+ ${CMAKE_ROOT}/Modules/CheckFunctionExists.c
+ COMPILE_DEFINITIONS -DCHECK_FUNCTION_EXISTS=${FUNCTION}
+ OUTPUT_VARIABLE OUTPUT)
+ IF(COMPILE_OK)
+ SET(${VARIABLE} ${COMPILE_OK})
+ ELSE(COMPILE_OK)
+ WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log
+ "Determining if the function ${FUNCTION} exists failed with the following output:\n"
+ "${OUTPUT}\n")
+ ENDIF(COMPILE_OK)
+ENDMACRO(CHECK_FUNCTION_EXISTS)