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authorBrad King <brad.king@kitware.com>2002-11-21 15:11:46 (GMT)
committerBrad King <brad.king@kitware.com>2002-11-21 15:11:46 (GMT)
commit9a98c1680340660502318e192edcc799e1c64302 (patch)
tree1aee4d8e33a84d6ad9ada783346cd2ac98451ba0 /Modules/CheckVariableExists.c
parenta7da3d4efffa930d50d6db8f549850d4d3ace4b3 (diff)
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ENH: Added CHECK_VARIABLE_EXISTS macro.
Diffstat (limited to 'Modules/CheckVariableExists.c')
-rw-r--r--Modules/CheckVariableExists.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/Modules/CheckVariableExists.c b/Modules/CheckVariableExists.c
new file mode 100644
index 0000000..e4d1e8d
--- /dev/null
+++ b/Modules/CheckVariableExists.c
@@ -0,0 +1,16 @@
+#ifdef CHECK_VARIABLE_EXISTS
+
+extern int CHECK_VARIABLE_EXISTS;
+
+int main()
+{
+ int* p;
+ p = &CHECK_VARIABLE_EXISTS;
+ return 0;
+}
+
+#else /* CHECK_VARIABLE_EXISTS */
+
+# error "CHECK_VARIABLE_EXISTS has to specify the variable"
+
+#endif /* CHECK_VARIABLE_EXISTS */